diff --git a/src/binfmt/binfmt.c b/src/binfmt/binfmt.c
index 3487602e467..a1877c42f7c 100644
--- a/src/binfmt/binfmt.c
+++ b/src/binfmt/binfmt.c
@@ -95,7 +95,7 @@ static int apply_file(const char *path, bool ignore_enoent) {
                 return r;
         }
 
-        log_debug("apply: %s\n", path);
+        log_debug("apply: %s", path);
         for (;;) {
                 char l[LINE_MAX], *p;
                 int k;
diff --git a/src/bootchart/bootchart.c b/src/bootchart/bootchart.c
index fec63721a82..27fd505929f 100644
--- a/src/bootchart/bootchart.c
+++ b/src/bootchart/bootchart.c
@@ -261,12 +261,12 @@ static void do_journal_append(char *file) {
 
         f = open(file, O_RDONLY);
         if (f < 0) {
-                log_error("Failed to read bootchart data: %m\n");
+                log_error("Failed to read bootchart data: %m");
                 return;
         }
         n = loop_read(f, p + 10, BOOTCHART_MAX, false);
         if (n < 0) {
-                log_error("Failed to read bootchart data: %s\n", strerror(-n));
+                log_error("Failed to read bootchart data: %s", strerror(-n));
                 close(f);
                 return;
         }
diff --git a/src/bus-driverd/bus-driverd.c b/src/bus-driverd/bus-driverd.c
index d6dec5dc2a7..8888a070829 100644
--- a/src/bus-driverd/bus-driverd.c
+++ b/src/bus-driverd/bus-driverd.c
@@ -767,7 +767,7 @@ static int connect_bus(Context *c) {
 
         r = sd_bus_request_name(c->bus, "org.freedesktop.DBus", 0);
         if (r < 0) {
-                log_error("Unable to request name: %s\n", strerror(-r));
+                log_error("Unable to request name: %s", strerror(-r));
                 return r;
         }
 
diff --git a/src/bus-proxyd/bus-proxyd.c b/src/bus-proxyd/bus-proxyd.c
index 60490d51663..c4da8d6d7f2 100644
--- a/src/bus-proxyd/bus-proxyd.c
+++ b/src/bus-proxyd/bus-proxyd.c
@@ -384,7 +384,7 @@ int main(int argc, char *argv[]) {
                 in_fd = SD_LISTEN_FDS_START;
                 out_fd = SD_LISTEN_FDS_START;
         } else {
-                log_error("Illegal number of file descriptors passed\n");
+                log_error("Illegal number of file descriptors passed");
                 goto finish;
         }
 
diff --git a/src/journal/coredumpctl.c b/src/journal/coredumpctl.c
index 2b24ff8a94f..70eaf0e64c9 100644
--- a/src/journal/coredumpctl.c
+++ b/src/journal/coredumpctl.c
@@ -416,7 +416,7 @@ static int dump_core(sd_journal* j) {
 
         r = sd_journal_previous(j);
         if (r >= 0)
-                log_warning("More than one entry matches, ignoring rest.\n");
+                log_warning("More than one entry matches, ignoring rest.");
 
         return 0;
 }
diff --git a/src/journal/journal-authenticate.c b/src/journal/journal-authenticate.c
index bd7100a8d5c..f416b79a34c 100644
--- a/src/journal/journal-authenticate.c
+++ b/src/journal/journal-authenticate.c
@@ -60,7 +60,7 @@ int journal_file_append_tag(JournalFile *f) {
         o->tag.seqnum = htole64(journal_file_tag_seqnum(f));
         o->tag.epoch = htole64(FSPRG_GetEpoch(f->fsprg_state));
 
-        log_debug("Writing tag %"PRIu64" for epoch %"PRIu64"\n",
+        log_debug("Writing tag %"PRIu64" for epoch %"PRIu64"",
                   le64toh(o->tag.seqnum),
                   FSPRG_GetEpoch(f->fsprg_state));
 
diff --git a/src/modules-load/modules-load.c b/src/modules-load/modules-load.c
index 0fa7807bbbf..5d141a89352 100644
--- a/src/modules-load/modules-load.c
+++ b/src/modules-load/modules-load.c
@@ -118,7 +118,7 @@ static int load_module(struct kmod_ctx *ctx, const char *m) {
         struct kmod_list *itr, *modlist = NULL;
         int r = 0;
 
-        log_debug("load: %s\n", m);
+        log_debug("load: %s", m);
 
         r = kmod_module_new_from_lookup(ctx, m, &modlist);
         if (r < 0) {
@@ -186,7 +186,7 @@ static int apply_file(struct kmod_ctx *ctx, const char *path, bool ignore_enoent
                 return r;
         }
 
-        log_debug("apply: %s\n", path);
+        log_debug("apply: %s", path);
         for (;;) {
                 char line[LINE_MAX], *l;
                 int k;
diff --git a/src/shared/path-util.c b/src/shared/path-util.c
index 38438617794..2cc2b2d4b71 100644
--- a/src/shared/path-util.c
+++ b/src/shared/path-util.c
@@ -486,7 +486,7 @@ bool paths_check_timestamp(char **paths, usec_t *timestamp, bool update) {
                 if (*timestamp >= u)
                         continue;
 
-                log_debug("timestamp of '%s' changed\n", *i);
+                log_debug("timestamp of '%s' changed", *i);
 
                 /* update timestamp */
                 if (update) {
diff --git a/src/sysctl/sysctl.c b/src/sysctl/sysctl.c
index 449e0cadd53..7ebe1e2df5a 100644
--- a/src/sysctl/sysctl.c
+++ b/src/sysctl/sysctl.c
@@ -132,7 +132,7 @@ static int parse_file(Hashmap *sysctl_options, const char *path, bool ignore_eno
                 return r;
         }
 
-        log_debug("parse: %s\n", path);
+        log_debug("parse: %s", path);
         while (!feof(f)) {
                 char l[LINE_MAX], *p, *value, *new_value, *property, *existing;
                 void *v;
diff --git a/src/test/test-udev.c b/src/test/test-udev.c
index bab64c90151..b0647441f0b 100644
--- a/src/test/test-udev.c
+++ b/src/test/test-udev.c
@@ -100,20 +100,20 @@ int main(int argc, char *argv[]) {
         if (udev == NULL)
                 return EXIT_FAILURE;
 
-        log_debug("version %s\n", VERSION);
+        log_debug("version %s", VERSION);
         label_init("/dev");
 
         sigprocmask(SIG_SETMASK, NULL, &sigmask_orig);
 
         action = argv[1];
         if (action == NULL) {
-                log_error("action missing\n");
+                log_error("action missing");
                 goto out;
         }
 
         devpath = argv[2];
         if (devpath == NULL) {
-                log_error("devpath missing\n");
+                log_error("devpath missing");
                 goto out;
         }
 
@@ -122,7 +122,7 @@ int main(int argc, char *argv[]) {
         strscpyl(syspath, sizeof(syspath), "/sys", devpath, NULL);
         dev = udev_device_new_from_syspath(udev, syspath);
         if (dev == NULL) {
-                log_debug("unknown device '%s'\n", devpath);
+                log_debug("unknown device '%s'", devpath);
                 goto out;
         }
 
diff --git a/src/tmpfiles/tmpfiles.c b/src/tmpfiles/tmpfiles.c
index e83a73e2793..02351e18f70 100644
--- a/src/tmpfiles/tmpfiles.c
+++ b/src/tmpfiles/tmpfiles.c
@@ -360,7 +360,7 @@ static int dir_cleanup(
                                 continue;
 
                         if (i->type != IGNORE_DIRECTORY_PATH || !streq(dent->d_name, p)) {
-                                log_debug("rmdir '%s'\n", sub_path);
+                                log_debug("rmdir '%s'", sub_path);
 
                                 if (unlinkat(dirfd(d), dent->d_name, AT_REMOVEDIR) < 0) {
                                         if (errno != ENOENT && errno != ENOTEMPTY) {
@@ -408,7 +408,7 @@ static int dir_cleanup(
                         if (age >= cutoff)
                                 continue;
 
-                        log_debug("unlink '%s'\n", sub_path);
+                        log_debug("unlink '%s'", sub_path);
 
                         if (unlinkat(dirfd(d), dent->d_name, 0) < 0) {
                                 if (errno != ENOENT) {
diff --git a/src/udev/accelerometer/accelerometer.c b/src/udev/accelerometer/accelerometer.c
index 86966fbd5f2..babd66f6b5b 100644
--- a/src/udev/accelerometer/accelerometer.c
+++ b/src/udev/accelerometer/accelerometer.c
@@ -335,7 +335,7 @@ int main (int argc, char** argv)
                 return 0;
         }
 
-        log_debug("opening accelerometer device %s\n", devnode);
+        log_debug("opening accelerometer device %s", devnode);
         test_orientation(udev, dev, devnode);
         free(devnode);
         log_close();
diff --git a/src/udev/ata_id/ata_id.c b/src/udev/ata_id/ata_id.c
index 28e9acb296b..649890618e3 100644
--- a/src/udev/ata_id/ata_id.c
+++ b/src/udev/ata_id/ata_id.c
@@ -463,14 +463,14 @@ int main(int argc, char *argv[])
 
         node = argv[optind];
         if (node == NULL) {
-                log_error("no node specified\n");
+                log_error("no node specified");
                 rc = 1;
                 goto exit;
         }
 
         fd = open(node, O_RDONLY|O_NONBLOCK);
         if (fd < 0) {
-                log_error("unable to open '%s'\n", node);
+                log_error("unable to open '%s'", node);
                 rc = 1;
                 goto exit;
         }
@@ -502,7 +502,7 @@ int main(int argc, char *argv[])
         } else {
                 /* If this fails, then try HDIO_GET_IDENTITY */
                 if (ioctl(fd, HDIO_GET_IDENTITY, &id) != 0) {
-                        log_debug("HDIO_GET_IDENTITY failed for '%s': %m\n", node);
+                        log_debug("HDIO_GET_IDENTITY failed for '%s': %m", node);
                         rc = 2;
                         goto close;
                 }
diff --git a/src/udev/cdrom_id/cdrom_id.c b/src/udev/cdrom_id/cdrom_id.c
index 09d2d697553..c62fbf9c8c5 100644
--- a/src/udev/cdrom_id/cdrom_id.c
+++ b/src/udev/cdrom_id/cdrom_id.c
@@ -138,10 +138,10 @@ static bool is_mounted(const char *device)
 static void info_scsi_cmd_err(struct udev *udev, const char *cmd, int err)
 {
         if (err == -1) {
-                log_debug("%s failed\n", cmd);
+                log_debug("%s failed", cmd);
                 return;
         }
-        log_debug("%s failed with SK=%Xh/ASC=%02Xh/ACQ=%02Xh\n", cmd, SK(err), ASC(err), ASCQ(err));
+        log_debug("%s failed with SK=%Xh/ASC=%02Xh/ACQ=%02Xh", cmd, SK(err), ASC(err), ASCQ(err));
 }
 
 struct scsi_cmd {
@@ -206,11 +206,11 @@ static int media_lock(struct udev *udev, int fd, bool lock)
         /* disable the kernel's lock logic */
         err = ioctl(fd, CDROM_CLEAR_OPTIONS, CDO_LOCK);
         if (err < 0)
-                log_debug("CDROM_CLEAR_OPTIONS, CDO_LOCK failed\n");
+                log_debug("CDROM_CLEAR_OPTIONS, CDO_LOCK failed");
 
         err = ioctl(fd, CDROM_LOCKDOOR, lock ? 1 : 0);
         if (err < 0)
-                log_debug("CDROM_LOCKDOOR failed\n");
+                log_debug("CDROM_LOCKDOOR failed");
 
         return err;
 }
@@ -238,7 +238,7 @@ static int cd_capability_compat(struct udev *udev, int fd)
 
         capability = ioctl(fd, CDROM_GET_CAPABILITY, NULL);
         if (capability < 0) {
-                log_debug("CDROM_GET_CAPABILITY failed\n");
+                log_debug("CDROM_GET_CAPABILITY failed");
                 return -1;
         }
 
@@ -262,7 +262,7 @@ static int cd_capability_compat(struct udev *udev, int fd)
 static int cd_media_compat(struct udev *udev, int fd)
 {
         if (ioctl(fd, CDROM_DRIVE_STATUS, CDSL_CURRENT) != CDS_DISC_OK) {
-                log_debug("CDROM_DRIVE_STATUS != CDS_DISC_OK\n");
+                log_debug("CDROM_DRIVE_STATUS != CDS_DISC_OK");
                 return -1;
         }
         cd_media = 1;
@@ -286,11 +286,11 @@ static int cd_inquiry(struct udev *udev, int fd)
         }
 
         if ((inq[0] & 0x1F) != 5) {
-                log_debug("not an MMC unit\n");
+                log_debug("not an MMC unit");
                 return -1;
         }
 
-        log_debug("INQUIRY: [%.8s][%.16s][%.4s]\n", inq + 8, inq + 16, inq + 32);
+        log_debug("INQUIRY: [%.8s][%.16s][%.4s]", inq + 8, inq + 16, inq + 32);
         return 0;
 }
 
@@ -300,105 +300,105 @@ static void feature_profile_media(struct udev *udev, int cur_profile)
         case 0x03:
         case 0x04:
         case 0x05:
-                log_debug("profile 0x%02x \n", cur_profile);
+                log_debug("profile 0x%02x ", cur_profile);
                 cd_media = 1;
                 cd_media_mo = 1;
                 break;
         case 0x08:
-                log_debug("profile 0x%02x media_cd_rom\n", cur_profile);
+                log_debug("profile 0x%02x media_cd_rom", cur_profile);
                 cd_media = 1;
                 cd_media_cd_rom = 1;
                 break;
         case 0x09:
-                log_debug("profile 0x%02x media_cd_r\n", cur_profile);
+                log_debug("profile 0x%02x media_cd_r", cur_profile);
                 cd_media = 1;
                 cd_media_cd_r = 1;
                 break;
         case 0x0a:
-                log_debug("profile 0x%02x media_cd_rw\n", cur_profile);
+                log_debug("profile 0x%02x media_cd_rw", cur_profile);
                 cd_media = 1;
                 cd_media_cd_rw = 1;
                 break;
         case 0x10:
-                log_debug("profile 0x%02x media_dvd_ro\n", cur_profile);
+                log_debug("profile 0x%02x media_dvd_ro", cur_profile);
                 cd_media = 1;
                 cd_media_dvd_rom = 1;
                 break;
         case 0x11:
-                log_debug("profile 0x%02x media_dvd_r\n", cur_profile);
+                log_debug("profile 0x%02x media_dvd_r", cur_profile);
                 cd_media = 1;
                 cd_media_dvd_r = 1;
                 break;
         case 0x12:
-                log_debug("profile 0x%02x media_dvd_ram\n", cur_profile);
+                log_debug("profile 0x%02x media_dvd_ram", cur_profile);
                 cd_media = 1;
                 cd_media_dvd_ram = 1;
                 break;
         case 0x13:
-                log_debug("profile 0x%02x media_dvd_rw_ro\n", cur_profile);
+                log_debug("profile 0x%02x media_dvd_rw_ro", cur_profile);
                 cd_media = 1;
                 cd_media_dvd_rw = 1;
                 cd_media_dvd_rw_ro = 1;
                 break;
         case 0x14:
-                log_debug("profile 0x%02x media_dvd_rw_seq\n", cur_profile);
+                log_debug("profile 0x%02x media_dvd_rw_seq", cur_profile);
                 cd_media = 1;
                 cd_media_dvd_rw = 1;
                 cd_media_dvd_rw_seq = 1;
                 break;
         case 0x1B:
-                log_debug("profile 0x%02x media_dvd_plus_r\n", cur_profile);
+                log_debug("profile 0x%02x media_dvd_plus_r", cur_profile);
                 cd_media = 1;
                 cd_media_dvd_plus_r = 1;
                 break;
         case 0x1A:
-                log_debug("profile 0x%02x media_dvd_plus_rw\n", cur_profile);
+                log_debug("profile 0x%02x media_dvd_plus_rw", cur_profile);
                 cd_media = 1;
                 cd_media_dvd_plus_rw = 1;
                 break;
         case 0x2A:
-                log_debug("profile 0x%02x media_dvd_plus_rw_dl\n", cur_profile);
+                log_debug("profile 0x%02x media_dvd_plus_rw_dl", cur_profile);
                 cd_media = 1;
                 cd_media_dvd_plus_rw_dl = 1;
                 break;
         case 0x2B:
-                log_debug("profile 0x%02x media_dvd_plus_r_dl\n", cur_profile);
+                log_debug("profile 0x%02x media_dvd_plus_r_dl", cur_profile);
                 cd_media = 1;
                 cd_media_dvd_plus_r_dl = 1;
                 break;
         case 0x40:
-                log_debug("profile 0x%02x media_bd\n", cur_profile);
+                log_debug("profile 0x%02x media_bd", cur_profile);
                 cd_media = 1;
                 cd_media_bd = 1;
                 break;
         case 0x41:
         case 0x42:
-                log_debug("profile 0x%02x media_bd_r\n", cur_profile);
+                log_debug("profile 0x%02x media_bd_r", cur_profile);
                 cd_media = 1;
                 cd_media_bd_r = 1;
                 break;
         case 0x43:
-                log_debug("profile 0x%02x media_bd_re\n", cur_profile);
+                log_debug("profile 0x%02x media_bd_re", cur_profile);
                 cd_media = 1;
                 cd_media_bd_re = 1;
                 break;
         case 0x50:
-                log_debug("profile 0x%02x media_hddvd\n", cur_profile);
+                log_debug("profile 0x%02x media_hddvd", cur_profile);
                 cd_media = 1;
                 cd_media_hddvd = 1;
                 break;
         case 0x51:
-                log_debug("profile 0x%02x media_hddvd_r\n", cur_profile);
+                log_debug("profile 0x%02x media_hddvd_r", cur_profile);
                 cd_media = 1;
                 cd_media_hddvd_r = 1;
                 break;
         case 0x52:
-                log_debug("profile 0x%02x media_hddvd_rw\n", cur_profile);
+                log_debug("profile 0x%02x media_hddvd_rw", cur_profile);
                 cd_media = 1;
                 cd_media_hddvd_rw = 1;
                 break;
         default:
-                log_debug("profile 0x%02x <ignored>\n", cur_profile);
+                log_debug("profile 0x%02x <ignored>", cur_profile);
                 break;
         }
 }
@@ -415,77 +415,77 @@ static int feature_profiles(struct udev *udev, const unsigned char *profiles, si
                 case 0x03:
                 case 0x04:
                 case 0x05:
-                        log_debug("profile 0x%02x mo\n", profile);
+                        log_debug("profile 0x%02x mo", profile);
                         cd_mo = 1;
                         break;
                 case 0x08:
-                        log_debug("profile 0x%02x cd_rom\n", profile);
+                        log_debug("profile 0x%02x cd_rom", profile);
                         cd_cd_rom = 1;
                         break;
                 case 0x09:
-                        log_debug("profile 0x%02x cd_r\n", profile);
+                        log_debug("profile 0x%02x cd_r", profile);
                         cd_cd_r = 1;
                         break;
                 case 0x0A:
-                        log_debug("profile 0x%02x cd_rw\n", profile);
+                        log_debug("profile 0x%02x cd_rw", profile);
                         cd_cd_rw = 1;
                         break;
                 case 0x10:
-                        log_debug("profile 0x%02x dvd_rom\n", profile);
+                        log_debug("profile 0x%02x dvd_rom", profile);
                         cd_dvd_rom = 1;
                         break;
                 case 0x12:
-                        log_debug("profile 0x%02x dvd_ram\n", profile);
+                        log_debug("profile 0x%02x dvd_ram", profile);
                         cd_dvd_ram = 1;
                         break;
                 case 0x13:
                 case 0x14:
-                        log_debug("profile 0x%02x dvd_rw\n", profile);
+                        log_debug("profile 0x%02x dvd_rw", profile);
                         cd_dvd_rw = 1;
                         break;
                 case 0x1B:
-                        log_debug("profile 0x%02x dvd_plus_r\n", profile);
+                        log_debug("profile 0x%02x dvd_plus_r", profile);
                         cd_dvd_plus_r = 1;
                         break;
                 case 0x1A:
-                        log_debug("profile 0x%02x dvd_plus_rw\n", profile);
+                        log_debug("profile 0x%02x dvd_plus_rw", profile);
                         cd_dvd_plus_rw = 1;
                         break;
                 case 0x2A:
-                        log_debug("profile 0x%02x dvd_plus_rw_dl\n", profile);
+                        log_debug("profile 0x%02x dvd_plus_rw_dl", profile);
                         cd_dvd_plus_rw_dl = 1;
                         break;
                 case 0x2B:
-                        log_debug("profile 0x%02x dvd_plus_r_dl\n", profile);
+                        log_debug("profile 0x%02x dvd_plus_r_dl", profile);
                         cd_dvd_plus_r_dl = 1;
                         break;
                 case 0x40:
                         cd_bd = 1;
-                        log_debug("profile 0x%02x bd\n", profile);
+                        log_debug("profile 0x%02x bd", profile);
                         break;
                 case 0x41:
                 case 0x42:
                         cd_bd_r = 1;
-                        log_debug("profile 0x%02x bd_r\n", profile);
+                        log_debug("profile 0x%02x bd_r", profile);
                         break;
                 case 0x43:
                         cd_bd_re = 1;
-                        log_debug("profile 0x%02x bd_re\n", profile);
+                        log_debug("profile 0x%02x bd_re", profile);
                         break;
                 case 0x50:
                         cd_hddvd = 1;
-                        log_debug("profile 0x%02x hddvd\n", profile);
+                        log_debug("profile 0x%02x hddvd", profile);
                         break;
                 case 0x51:
                         cd_hddvd_r = 1;
-                        log_debug("profile 0x%02x hddvd_r\n", profile);
+                        log_debug("profile 0x%02x hddvd_r", profile);
                         break;
                 case 0x52:
                         cd_hddvd_rw = 1;
-                        log_debug("profile 0x%02x hddvd_rw\n", profile);
+                        log_debug("profile 0x%02x hddvd_rw", profile);
                         break;
                 default:
-                        log_debug("profile 0x%02x <ignored>\n", profile);
+                        log_debug("profile 0x%02x <ignored>", profile);
                         break;
                 }
         }
@@ -508,13 +508,13 @@ static int cd_profiles_old_mmc(struct udev *udev, int fd)
         if ((err != 0)) {
                 info_scsi_cmd_err(udev, "READ DISC INFORMATION", err);
                 if (cd_media == 1) {
-                        log_debug("no current profile, but disc is present; assuming CD-ROM\n");
+                        log_debug("no current profile, but disc is present; assuming CD-ROM");
                         cd_media_cd_rom = 1;
                         cd_media_track_count = 1;
                         cd_media_track_count_data = 1;
                         return 0;
                 } else {
-                        log_debug("no current profile, assuming no media\n");
+                        log_debug("no current profile, assuming no media");
                         return -1;
                 }
         };
@@ -523,13 +523,13 @@ static int cd_profiles_old_mmc(struct udev *udev, int fd)
 
         if (header[2] & 16) {
                 cd_media_cd_rw = 1;
-                log_debug("profile 0x0a media_cd_rw\n");
+                log_debug("profile 0x0a media_cd_rw");
         } else if ((header[2] & 3) < 2 && cd_cd_r) {
                 cd_media_cd_r = 1;
-                log_debug("profile 0x09 media_cd_r\n");
+                log_debug("profile 0x09 media_cd_r");
         } else {
                 cd_media_cd_rom = 1;
-                log_debug("profile 0x08 media_cd_rom\n");
+                log_debug("profile 0x08 media_cd_rom");
         }
         return 0;
 }
@@ -557,8 +557,8 @@ static int cd_profiles(struct udev *udev, int fd)
                 info_scsi_cmd_err(udev, "GET CONFIGURATION", err);
                 /* handle pre-MMC2 drives which do not support GET CONFIGURATION */
                 if (SK(err) == 0x5 && ASC(err) == 0x20) {
-                        log_debug("drive is pre-MMC2 and does not support 46h get configuration command\n");
-                        log_debug("trying to work around the problem\n");
+                        log_debug("drive is pre-MMC2 and does not support 46h get configuration command");
+                        log_debug("trying to work around the problem");
                         ret = cd_profiles_old_mmc(udev, fd);
                 }
                 goto out;
@@ -566,18 +566,18 @@ static int cd_profiles(struct udev *udev, int fd)
 
         cur_profile = features[6] << 8 | features[7];
         if (cur_profile > 0) {
-                log_debug("current profile 0x%02x\n", cur_profile);
+                log_debug("current profile 0x%02x", cur_profile);
                 feature_profile_media (udev, cur_profile);
                 ret = 0; /* we have media */
         } else {
-                log_debug("no current profile, assuming no media\n");
+                log_debug("no current profile, assuming no media");
         }
 
         len = features[0] << 24 | features[1] << 16 | features[2] << 8 | features[3];
-        log_debug("GET CONFIGURATION: size of features buffer 0x%04x\n", len);
+        log_debug("GET CONFIGURATION: size of features buffer 0x%04x", len);
 
         if (len > sizeof(features)) {
-                log_debug("can not get features in a single query, truncating\n");
+                log_debug("can not get features in a single query, truncating");
                 len = sizeof(features);
         } else if (len <= 8) {
                 len = sizeof(features);
@@ -597,10 +597,10 @@ static int cd_profiles(struct udev *udev, int fd)
 
         /* parse the length once more, in case the drive decided to have other features suddenly :) */
         len = features[0] << 24 | features[1] << 16 | features[2] << 8 | features[3];
-        log_debug("GET CONFIGURATION: size of features buffer 0x%04x\n", len);
+        log_debug("GET CONFIGURATION: size of features buffer 0x%04x", len);
 
         if (len > sizeof(features)) {
-                log_debug("can not get features in a single query, truncating\n");
+                log_debug("can not get features in a single query, truncating");
                 len = sizeof(features);
         }
 
@@ -612,11 +612,11 @@ static int cd_profiles(struct udev *udev, int fd)
 
                 switch (feature) {
                 case 0x00:
-                        log_debug("GET CONFIGURATION: feature 'profiles', with %i entries\n", features[i+3] / 4);
+                        log_debug("GET CONFIGURATION: feature 'profiles', with %i entries", features[i+3] / 4);
                         feature_profiles(udev, &features[i]+4, features[i+3]);
                         break;
                 default:
-                        log_debug("GET CONFIGURATION: feature 0x%04x <ignored>, with 0x%02x bytes\n", feature, features[i+3]);
+                        log_debug("GET CONFIGURATION: feature 0x%04x <ignored>, with 0x%02x bytes", feature, features[i+3]);
                         break;
                 }
         }
@@ -647,8 +647,8 @@ static int cd_media_info(struct udev *udev, int fd)
         };
 
         cd_media = 1;
-        log_debug("disk type %02x\n", header[8]);
-        log_debug("hardware reported media status: %s\n", media_status[header[2] & 3]);
+        log_debug("disk type %02x", header[8]);
+        log_debug("hardware reported media status: %s", media_status[header[2] & 3]);
 
         /* exclude plain CDROM, some fake cdroms return 0 for "blank" media here */
         if (!cd_media_cd_rom)
@@ -686,7 +686,7 @@ static int cd_media_info(struct udev *udev, int fd)
                         }
                         if (dvdstruct[4] & 0x02) {
                                 cd_media_state = media_status[2];
-                                log_debug("write-protected DVD-RAM media inserted\n");
+                                log_debug("write-protected DVD-RAM media inserted");
                                 goto determined;
                         }
 
@@ -703,13 +703,13 @@ static int cd_media_info(struct udev *udev, int fd)
 
                         len = format[3];
                         if (len & 7 || len < 16) {
-                                log_debug("invalid format capacities length\n");
+                                log_debug("invalid format capacities length");
                                 return -1;
                         }
 
                         switch(format[8] & 3) {
                             case 1:
-                                log_debug("unformatted DVD-RAM media inserted\n");
+                                log_debug("unformatted DVD-RAM media inserted");
                                 /* This means that last format was interrupted
                                  * or failed, blank dvd-ram discs are factory
                                  * formatted. Take no action here as it takes
@@ -718,12 +718,12 @@ static int cd_media_info(struct udev *udev, int fd)
                                 goto determined;
 
                             case 2:
-                                log_debug("formatted DVD-RAM media inserted\n");
+                                log_debug("formatted DVD-RAM media inserted");
                                 break;
 
                             case 3:
                                 cd_media = 0; //return no media
-                                log_debug("format capacities returned no media\n");
+                                log_debug("format capacities returned no media");
                                 return -1;
                         }
                 }
@@ -759,9 +759,9 @@ static int cd_media_info(struct udev *udev, int fd)
 
                 if (!result) {
                         cd_media_state = media_status[0];
-                        log_debug("no data in blocks 0 or 16, assuming blank\n");
+                        log_debug("no data in blocks 0 or 16, assuming blank");
                 } else {
-                        log_debug("data in blocks 0 or 16, assuming complete\n");
+                        log_debug("data in blocks 0 or 16, assuming complete");
                 }
         }
 
@@ -797,7 +797,7 @@ static int cd_media_toc(struct udev *udev, int fd)
         }
 
         len = (header[0] << 8 | header[1]) + 2;
-        log_debug("READ TOC: len: %d, start track: %d, end track: %d\n", len, header[2], header[3]);
+        log_debug("READ TOC: len: %d, start track: %d, end track: %d", len, header[2], header[3]);
         if (len > sizeof(toc))
                 return -1;
         if (len < 2)
@@ -831,7 +831,7 @@ static int cd_media_toc(struct udev *udev, int fd)
                 is_data_track = (p[1] & 0x04) != 0;
 
                 block = p[4] << 24 | p[5] << 16 | p[6] << 8 | p[7];
-                log_debug("track=%u info=0x%x(%s) start_block=%u\n",
+                log_debug("track=%u info=0x%x(%s) start_block=%u",
                      p[2], p[1] & 0x0f, is_data_track ? "data":"audio", block);
 
                 if (is_data_track)
@@ -851,7 +851,7 @@ static int cd_media_toc(struct udev *udev, int fd)
                 return -1;
         }
         len = header[4+4] << 24 | header[4+5] << 16 | header[4+6] << 8 | header[4+7];
-        log_debug("last track %u starts at block %u\n", header[4+2], len);
+        log_debug("last track %u starts at block %u", header[4+2], len);
         cd_media_session_last_offset = (unsigned long long int)len * 2048;
         return 0;
 }
@@ -920,7 +920,7 @@ int main(int argc, char *argv[])
 
         node = argv[optind];
         if (!node) {
-                log_error("no device\n");
+                log_error("no device");
                 fprintf(stderr, "no device\n");
                 rc = 1;
                 goto exit;
@@ -938,12 +938,12 @@ int main(int argc, char *argv[])
                 nanosleep(&duration, NULL);
         }
         if (fd < 0) {
-                log_debug("unable to open '%s'\n", node);
+                log_debug("unable to open '%s'", node);
                 fprintf(stderr, "unable to open '%s'\n", node);
                 rc = 1;
                 goto exit;
         }
-        log_debug("probing: '%s'\n", node);
+        log_debug("probing: '%s'", node);
 
         /* same data as original cdrom_id */
         if (cd_capability_compat(udev, fd) < 0) {
@@ -974,19 +974,19 @@ int main(int argc, char *argv[])
 work:
         /* lock the media, so we enable eject button events */
         if (lock && cd_media) {
-                log_debug("PREVENT_ALLOW_MEDIUM_REMOVAL (lock)\n");
+                log_debug("PREVENT_ALLOW_MEDIUM_REMOVAL (lock)");
                 media_lock(udev, fd, true);
         }
 
         if (unlock && cd_media) {
-                log_debug("PREVENT_ALLOW_MEDIUM_REMOVAL (unlock)\n");
+                log_debug("PREVENT_ALLOW_MEDIUM_REMOVAL (unlock)");
                 media_lock(udev, fd, false);
         }
 
         if (eject) {
-                log_debug("PREVENT_ALLOW_MEDIUM_REMOVAL (unlock)\n");
+                log_debug("PREVENT_ALLOW_MEDIUM_REMOVAL (unlock)");
                 media_lock(udev, fd, false);
-                log_debug("START_STOP_UNIT (eject)\n");
+                log_debug("START_STOP_UNIT (eject)");
                 media_eject(udev, fd);
         }
 
diff --git a/src/udev/net/link-config.c b/src/udev/net/link-config.c
index e6618b8cbfc..a31c1210768 100644
--- a/src/udev/net/link-config.c
+++ b/src/udev/net/link-config.c
@@ -86,7 +86,7 @@ int link_config_ctx_new(link_config_ctx **ret) {
         }
 
         if (!path_strv_canonicalize_uniq(ctx->link_dirs)) {
-                log_error("failed to canonicalize link config directories\n");
+                log_error("failed to canonicalize link config directories");
                 return -ENOMEM;
         }
 
diff --git a/src/udev/scsi_id/scsi_id.c b/src/udev/scsi_id/scsi_id.c
index 6a4cf0c09e2..03bd3a9182f 100644
--- a/src/udev/scsi_id/scsi_id.c
+++ b/src/udev/scsi_id/scsi_id.c
@@ -184,7 +184,7 @@ static int get_file_options(struct udev *udev,
                 if (errno == ENOENT)
                         return 1;
                 else {
-                        log_error("can't open %s: %m\n", config_file);
+                        log_error("can't open %s: %m", config_file);
                         return -1;
                 }
         }
@@ -208,7 +208,7 @@ static int get_file_options(struct udev *udev,
                         break;
                 lineno++;
                 if (buf[strlen(buffer) - 1] != '\n') {
-                        log_error("Config file line %d too long\n", lineno);
+                        log_error("Config file line %d too long", lineno);
                         break;
                 }
 
@@ -257,7 +257,7 @@ static int get_file_options(struct udev *udev,
                  * Only allow: [vendor=foo[,model=bar]]options=stuff
                  */
                 if (!options_in || (!vendor_in && model_in)) {
-                        log_error("Error parsing config file line %d '%s'\n", lineno, buffer);
+                        log_error("Error parsing config file line %d '%s'", lineno, buffer);
                         retval = -1;
                         break;
                 }
@@ -372,7 +372,7 @@ static int set_options(struct udev *udev,
                         else if (streq(optarg, "pre-spc3-83"))
                                 default_page_code = PAGE_83_PRE_SPC3;
                         else {
-                                log_error("Unknown page code '%s'\n", optarg);
+                                log_error("Unknown page code '%s'", optarg);
                                 return -1;
                         }
                         break;
@@ -380,7 +380,7 @@ static int set_options(struct udev *udev,
                 case 's':
                         sg_version = atoi(optarg);
                         if (sg_version < 3 || sg_version > 4) {
-                                log_error("Unknown SG version '%s'\n", optarg);
+                                log_error("Unknown SG version '%s'", optarg);
                                 return -1;
                         }
                         break;
@@ -453,13 +453,13 @@ static int per_dev_options(struct udev *udev,
                         } else if (streq(optarg, "pre-spc3-83")) {
                                 *page_code = PAGE_83_PRE_SPC3;
                         } else {
-                                log_error("Unknown page code '%s'\n", optarg);
+                                log_error("Unknown page code '%s'", optarg);
                                 retval = -1;
                         }
                         break;
 
                 default:
-                        log_error("Unknown or bad option '%c' (0x%x)\n", option, option);
+                        log_error("Unknown or bad option '%c' (0x%x)", option, option);
                         retval = -1;
                         break;
                 }
@@ -615,7 +615,7 @@ int main(int argc, char **argv)
                 exit(1);
 
         if (!dev_specified) {
-                log_error("no device specified\n");
+                log_error("no device specified");
                 retval = 1;
                 goto exit;
         }
diff --git a/src/udev/scsi_id/scsi_serial.c b/src/udev/scsi_id/scsi_serial.c
index 4b0711b4475..66e752e426c 100644
--- a/src/udev/scsi_id/scsi_serial.c
+++ b/src/udev/scsi_id/scsi_serial.c
@@ -197,7 +197,7 @@ static int scsi_dump_sense(struct udev *udev,
          */
 
         if (sb_len < 1) {
-                log_debug("%s: sense buffer empty\n", dev_scsi->kernel);
+                log_debug("%s: sense buffer empty", dev_scsi->kernel);
                 return -1;
         }
 
@@ -210,7 +210,7 @@ static int scsi_dump_sense(struct udev *udev,
                  */
                 s = sense_buffer[7] + 8;
                 if (sb_len < s) {
-                        log_debug("%s: sense buffer too small %d bytes, %d bytes too short\n",
+                        log_debug("%s: sense buffer too small %d bytes, %d bytes too short",
                             dev_scsi->kernel, sb_len, s - sb_len);
                         return -1;
                 }
@@ -220,7 +220,7 @@ static int scsi_dump_sense(struct udev *udev,
                                 /*
                                  * Possible?
                                  */
-                                log_debug("%s: sense result too" " small %d bytes\n",
+                                log_debug("%s: sense result too" " small %d bytes",
                                     dev_scsi->kernel, s);
                                 return -1;
                         }
@@ -231,25 +231,25 @@ static int scsi_dump_sense(struct udev *udev,
                         asc = sense_buffer[2];
                         ascq = sense_buffer[3];
                 } else {
-                        log_debug("%s: invalid sense code 0x%x\n",
+                        log_debug("%s: invalid sense code 0x%x",
                             dev_scsi->kernel, code);
                         return -1;
                 }
-                log_debug("%s: sense key 0x%x ASC 0x%x ASCQ 0x%x\n",
+                log_debug("%s: sense key 0x%x ASC 0x%x ASCQ 0x%x",
                     dev_scsi->kernel, sense_key, asc, ascq);
         } else {
                 if (sb_len < 4) {
-                        log_debug("%s: sense buffer too small %d bytes, %d bytes too short\n",
+                        log_debug("%s: sense buffer too small %d bytes, %d bytes too short",
                             dev_scsi->kernel, sb_len, 4 - sb_len);
                         return -1;
                 }
 
                 if (sense_buffer[0] < 15)
-                        log_debug("%s: old sense key: 0x%x\n", dev_scsi->kernel, sense_buffer[0] & 0x0f);
+                        log_debug("%s: old sense key: 0x%x", dev_scsi->kernel, sense_buffer[0] & 0x0f);
                 else
-                        log_debug("%s: sense = %2x %2x\n",
+                        log_debug("%s: sense = %2x %2x",
                             dev_scsi->kernel, sense_buffer[0], sense_buffer[2]);
-                log_debug("%s: non-extended sense class %d code 0x%0x\n",
+                log_debug("%s: non-extended sense class %d code 0x%0x",
                     dev_scsi->kernel, sense_class, code);
 
         }
@@ -261,8 +261,8 @@ static int scsi_dump_sense(struct udev *udev,
                 out_buffer[j++] = ' ';
         }
         out_buffer[j] = '\0';
-        log_debug("%s: sense dump:\n", dev_scsi->kernel);
-        log_debug("%s: %s\n", dev_scsi->kernel, out_buffer);
+        log_debug("%s: sense dump:", dev_scsi->kernel);
+        log_debug("%s: %s", dev_scsi->kernel, out_buffer);
 
 #endif
         return -1;
@@ -276,11 +276,11 @@ static int scsi_dump(struct udev *udev,
                 /*
                  * Impossible, should not be called.
                  */
-                log_debug("%s: called with no error\n", __FUNCTION__);
+                log_debug("%s: called with no error", __FUNCTION__);
                 return -1;
         }
 
-        log_debug("%s: sg_io failed status 0x%x 0x%x 0x%x 0x%x\n",
+        log_debug("%s: sg_io failed status 0x%x 0x%x 0x%x 0x%x",
             dev_scsi->kernel, io->driver_status, io->host_status, io->msg_status, io->status);
         if (io->status == SCSI_CHECK_CONDITION)
                 return scsi_dump_sense(udev, dev_scsi, io->sbp, io->sb_len_wr);
@@ -296,11 +296,11 @@ static int scsi_dump_v4(struct udev *udev,
                 /*
                  * Impossible, should not be called.
                  */
-                log_debug("%s: called with no error\n", __FUNCTION__);
+                log_debug("%s: called with no error", __FUNCTION__);
                 return -1;
         }
 
-        log_debug("%s: sg_io failed status 0x%x 0x%x 0x%x\n",
+        log_debug("%s: sg_io failed status 0x%x 0x%x 0x%x",
             dev_scsi->kernel, io->driver_status, io->transport_status,
              io->device_status);
         if (io->device_status == SCSI_CHECK_CONDITION)
@@ -325,7 +325,7 @@ static int scsi_inquiry(struct udev *udev,
         int retval;
 
         if (buflen > SCSI_INQ_BUFF_LEN) {
-                log_debug("buflen %d too long\n", buflen);
+                log_debug("buflen %d too long", buflen);
                 return -1;
         }
 
@@ -362,7 +362,7 @@ resend:
                         dev_scsi->use_sg = 3;
                         goto resend;
                 }
-                log_debug("%s: ioctl failed: %m\n", dev_scsi->kernel);
+                log_debug("%s: ioctl failed: %m", dev_scsi->kernel);
                 goto error;
         }
 
@@ -397,7 +397,7 @@ resend:
 
 error:
         if (retval < 0)
-                log_debug("%s: Unable to get INQUIRY vpd %d page 0x%x.\n",
+                log_debug("%s: Unable to get INQUIRY vpd %d page 0x%x.",
                     dev_scsi->kernel, evpd, page);
 
         return retval;
@@ -416,11 +416,11 @@ static int do_scsi_page0_inquiry(struct udev *udev,
                 return 1;
 
         if (buffer[1] != 0) {
-                log_debug("%s: page 0 not available.\n", dev_scsi->kernel);
+                log_debug("%s: page 0 not available.", dev_scsi->kernel);
                 return 1;
         }
         if (buffer[3] > len) {
-                log_debug("%s: page 0 buffer too long %d\n", dev_scsi->kernel,         buffer[3]);
+                log_debug("%s: page 0 buffer too long %d", dev_scsi->kernel,         buffer[3]);
                 return 1;
         }
 
@@ -437,7 +437,7 @@ static int do_scsi_page0_inquiry(struct udev *udev,
                  * invalid.
                  */
                 if (strneq((char *)&buffer[VENDOR_LENGTH], dev_scsi->vendor, VENDOR_LENGTH)) {
-                        log_debug("%s: invalid page0 data\n", dev_scsi->kernel);
+                        log_debug("%s: invalid page0 data", dev_scsi->kernel);
                         return 1;
                 }
         }
@@ -462,7 +462,7 @@ static int prepend_vendor_model(struct udev *udev,
          * above, ind will never be too large.
          */
         if (ind != (VENDOR_LENGTH + MODEL_LENGTH)) {
-                log_debug("%s: expected length %d, got length %d\n",
+                log_debug("%s: expected length %d, got length %d",
                      dev_scsi->kernel, (VENDOR_LENGTH + MODEL_LENGTH), ind);
                 return -1;
         }
@@ -528,7 +528,7 @@ static int check_fill_0x83_id(struct udev *udev,
                 len += VENDOR_LENGTH + MODEL_LENGTH;
 
         if (max_len < len) {
-                log_debug("%s: length %d too short - need %d\n",
+                log_debug("%s: length %d too short - need %d",
                     dev_scsi->kernel, max_len, len);
                 return 1;
         }
@@ -629,7 +629,7 @@ static int do_scsi_page83_inquiry(struct udev *udev,
                 return 1;
 
         if (page_83[1] != PAGE_83) {
-                log_debug("%s: Invalid page 0x83\n", dev_scsi->kernel);
+                log_debug("%s: Invalid page 0x83", dev_scsi->kernel);
                 return 1;
         }
 
@@ -715,7 +715,7 @@ static int do_scsi_page83_prespc3_inquiry(struct udev *udev,
                 return 1;
 
         if (page_83[1] != PAGE_83) {
-                log_debug("%s: Invalid page 0x83\n", dev_scsi->kernel);
+                log_debug("%s: Invalid page 0x83", dev_scsi->kernel);
                 return 1;
         }
         /*
@@ -779,13 +779,13 @@ static int do_scsi_page80_inquiry(struct udev *udev,
                 return retval;
 
         if (buf[1] != PAGE_80) {
-                log_debug("%s: Invalid page 0x80\n", dev_scsi->kernel);
+                log_debug("%s: Invalid page 0x80", dev_scsi->kernel);
                 return 1;
         }
 
         len = 1 + VENDOR_LENGTH + MODEL_LENGTH + buf[3];
         if (max_len < len) {
-                log_debug("%s: length %d too short - need %d\n",
+                log_debug("%s: length %d too short - need %d",
                      dev_scsi->kernel, max_len, len);
                 return 1;
         }
@@ -820,12 +820,12 @@ int scsi_std_inquiry(struct udev *udev,
 
         fd = open(devname, O_RDONLY | O_NONBLOCK);
         if (fd < 0) {
-                log_debug("scsi_id: cannot open %s: %m\n", devname);
+                log_debug("scsi_id: cannot open %s: %m", devname);
                 return 1;
         }
 
         if (fstat(fd, &statbuf) < 0) {
-                log_debug("scsi_id: cannot stat %s: %m\n", devname);
+                log_debug("scsi_id: cannot stat %s: %m", devname);
                 err = 2;
                 goto out;
         }
@@ -918,7 +918,7 @@ int scsi_get_serial(struct udev *udev,
                         goto completed;
                 }
         } else if (page_code != 0x00) {
-                log_debug("%s: unsupported page code 0x%d\n", dev_scsi->kernel, page_code);
+                log_debug("%s: unsupported page code 0x%d", dev_scsi->kernel, page_code);
                 retval = 1;
                 goto completed;
         }
diff --git a/src/udev/udev-builtin-blkid.c b/src/udev/udev-builtin-blkid.c
index b48dccc2fb1..c806bd6ad85 100644
--- a/src/udev/udev-builtin-blkid.c
+++ b/src/udev/udev-builtin-blkid.c
@@ -190,7 +190,7 @@ static int builtin_blkid(struct udev_device *dev, int argc, char *argv[], bool t
         if (err < 0)
                 goto out;
 
-        log_debug("probe %s %sraid offset=%llu\n",
+        log_debug("probe %s %sraid offset=%llu",
                   udev_device_get_devnode(dev),
                   noraid ? "no" : "", (unsigned long long) offset);
 
diff --git a/src/udev/udev-builtin-firmware.c b/src/udev/udev-builtin-firmware.c
index b80940b6efd..8cfeed663bd 100644
--- a/src/udev/udev-builtin-firmware.c
+++ b/src/udev/udev-builtin-firmware.c
@@ -33,7 +33,7 @@ static bool set_loading(struct udev *udev, char *loadpath, const char *state)
 
         ldfile = fopen(loadpath, "we");
         if (ldfile == NULL) {
-                log_error("error: can not open '%s'\n", loadpath);
+                log_error("error: can not open '%s'", loadpath);
                 return false;
         };
         fprintf(ldfile, "%s\n", state);
@@ -53,7 +53,7 @@ static bool copy_firmware(struct udev *udev, const char *source, const char *tar
                 return false;
         }
 
-        log_debug("writing '%s' (%zi) to '%s'\n", source, size, target);
+        log_debug("writing '%s' (%zi) to '%s'", source, size, target);
 
         fsource = fopen(source, "re");
         if (fsource == NULL)
@@ -90,7 +90,7 @@ static int builtin_firmware(struct udev_device *dev, int argc, char *argv[], boo
 
         firmware = udev_device_get_property_value(dev, "FIRMWARE");
         if (firmware == NULL) {
-                log_error("firmware parameter missing\n\n");
+                log_error("firmware parameter missing");
                 rc = EXIT_FAILURE;
                 goto exit;
         }
@@ -112,7 +112,7 @@ static int builtin_firmware(struct udev_device *dev, int argc, char *argv[], boo
         strscpyl(loadpath, sizeof(loadpath), udev_device_get_syspath(dev), "/loading", NULL);
 
         if (fwfile == NULL) {
-                log_debug("did not find firmware file '%s'\n", firmware);
+                log_debug("did not find firmware file '%s'", firmware);
                 rc = EXIT_FAILURE;
                 /*
                  * Do not cancel the request in the initrd, the real root might have
@@ -136,7 +136,7 @@ static int builtin_firmware(struct udev_device *dev, int argc, char *argv[], boo
 
         strscpyl(datapath, sizeof(datapath), udev_device_get_syspath(dev), "/data", NULL);
         if (!copy_firmware(udev, fwpath, datapath, statbuf.st_size)) {
-                log_error("error sending firmware '%s' to device\n", firmware);
+                log_error("error sending firmware '%s' to device", firmware);
                 set_loading(udev, loadpath, "-1");
                 rc = EXIT_FAILURE;
                 goto exit;
diff --git a/src/udev/udev-builtin-input_id.c b/src/udev/udev-builtin-input_id.c
index 445b602f9ca..4691fc073dd 100644
--- a/src/udev/udev-builtin-input_id.c
+++ b/src/udev/udev-builtin-input_id.c
@@ -57,7 +57,7 @@ static void get_cap_mask(struct udev_device *dev,
         unsigned long val;
 
         snprintf(text, sizeof(text), "%s", udev_device_get_sysattr_value(pdev, attr));
-        log_debug("%s raw kernel attribute: %s\n", attr, text);
+        log_debug("%s raw kernel attribute: %s", attr, text);
 
         memset (bitmask, 0, bitmask_size);
         i = 0;
@@ -66,7 +66,7 @@ static void get_cap_mask(struct udev_device *dev,
                 if (i < bitmask_size/sizeof(unsigned long))
                         bitmask[i] = val;
                 else
-                        log_debug("ignoring %s block %lX which is larger than maximum size\n", attr, val);
+                        log_debug("ignoring %s block %lX which is larger than maximum size", attr, val);
                 *word = '\0';
                 ++i;
         }
@@ -74,12 +74,12 @@ static void get_cap_mask(struct udev_device *dev,
         if (i < bitmask_size / sizeof(unsigned long))
                 bitmask[i] = val;
         else
-                log_debug("ignoring %s block %lX which is larger than maximum size\n", attr, val);
+                log_debug("ignoring %s block %lX which is larger than maximum size", attr, val);
 
         if (test) {
                 /* printf pattern with the right unsigned long number of hex chars */
                 snprintf(text, sizeof(text), "  bit %%4u: %%0%zilX\n", 2 * sizeof(unsigned long));
-                log_debug("%s decoded bit map:\n", attr);
+                log_debug("%s decoded bit map:", attr);
                 val = bitmask_size / sizeof (unsigned long);
                 /* skip over leading zeros */
                 while (bitmask[val-1] == 0 && val > 0)
@@ -151,7 +151,7 @@ static void test_key (struct udev_device *dev,
 
         /* do we have any KEY_* capability? */
         if (!test_bit (EV_KEY, bitmask_ev)) {
-                log_debug("test_key: no EV_KEY capability\n");
+                log_debug("test_key: no EV_KEY capability");
                 return;
         }
 
@@ -159,13 +159,13 @@ static void test_key (struct udev_device *dev,
         found = 0;
         for (i = 0; i < BTN_MISC/BITS_PER_LONG; ++i) {
                 found |= bitmask_key[i];
-                log_debug("test_key: checking bit block %lu for any keys; found=%i\n", (unsigned long)i*BITS_PER_LONG, found > 0);
+                log_debug("test_key: checking bit block %lu for any keys; found=%i", (unsigned long)i*BITS_PER_LONG, found > 0);
         }
         /* If there are no keys in the lower block, check the higher block */
         if (!found) {
                 for (i = KEY_OK; i < BTN_TRIGGER_HAPPY; ++i) {
                         if (test_bit (i, bitmask_key)) {
-                                log_debug("test_key: Found key %x in high block\n", i);
+                                log_debug("test_key: Found key %x in high block", i);
                                 found = 1;
                                 break;
                         }
diff --git a/src/udev/udev-builtin-keyboard.c b/src/udev/udev-builtin-keyboard.c
index b510a42eb94..614e44ec764 100644
--- a/src/udev/udev-builtin-keyboard.c
+++ b/src/udev/udev-builtin-keyboard.c
@@ -59,7 +59,7 @@ static int install_force_release(struct udev_device *dev, const unsigned int *re
         for (i = 0; i < release_count; i++)
                 l = strpcpyf(&s, l, ",%d", release[i]);
 
-        log_debug("keyboard: updating force-release list with '%s'\n", codes);
+        log_debug("keyboard: updating force-release list with '%s'", codes);
         ret = udev_device_set_sysattr_value(atkbd, "force_release", codes);
         if (ret < 0)
                 log_error("Error writing force-release attribute: %s", strerror(-ret));
@@ -90,7 +90,7 @@ static int builtin_keyboard(struct udev_device *dev, int argc, char *argv[], boo
                 /* KEYBOARD_KEY_<hex scan code>=<key identifier string> */
                 scancode = strtoul(key + 13, &endptr, 16);
                 if (endptr[0] != '\0') {
-                        log_error("Error, unable to parse scan code from '%s'\n", key);
+                        log_error("Error, unable to parse scan code from '%s'", key);
                         continue;
                 }
 
@@ -111,7 +111,7 @@ static int builtin_keyboard(struct udev_device *dev, int argc, char *argv[], boo
                 /* translate identifier to key code */
                 k = keyboard_lookup_key(keycode, strlen(keycode));
                 if (!k) {
-                        log_error("Error, unknown key identifier '%s'\n", keycode);
+                        log_error("Error, unknown key identifier '%s'", keycode);
                         continue;
                 }
 
@@ -128,22 +128,22 @@ static int builtin_keyboard(struct udev_device *dev, int argc, char *argv[], boo
 
                 node = udev_device_get_devnode(dev);
                 if (!node) {
-                        log_error("Error, no device node for '%s'\n", udev_device_get_syspath(dev));
+                        log_error("Error, no device node for '%s'", udev_device_get_syspath(dev));
                         return EXIT_FAILURE;
                 }
 
                 fd = open(udev_device_get_devnode(dev), O_RDWR|O_CLOEXEC|O_NONBLOCK|O_NOCTTY);
                 if (fd < 0) {
-                        log_error("Error, opening device '%s': %m\n", node);
+                        log_error("Error, opening device '%s': %m", node);
                         return EXIT_FAILURE;
                 }
 
                 /* install list of map codes */
                 for (i = 0; i < map_count; i++) {
-                        log_debug("keyboard: mapping scan code %d (0x%x) to key code %d (0x%x)\n",
+                        log_debug("keyboard: mapping scan code %d (0x%x) to key code %d (0x%x)",
                                   map[i].scan, map[i].scan, map[i].key, map[i].key);
                         if (ioctl(fd, EVIOCSKEYCODE, &map[i]) < 0)
-                                log_error("Error calling EVIOCSKEYCODE (scan code 0x%x, key code %d): %m\n", map[i].scan, map[i].key);
+                                log_error("Error calling EVIOCSKEYCODE (scan code 0x%x, key code %d): %m", map[i].scan, map[i].key);
                 }
 
                 /* install list of force-release codes */
diff --git a/src/udev/udev-builtin-kmod.c b/src/udev/udev-builtin-kmod.c
index 63dbf307272..5880c388424 100644
--- a/src/udev/udev-builtin-kmod.c
+++ b/src/udev/udev-builtin-kmod.c
@@ -44,18 +44,18 @@ static int load_module(struct udev *udev, const char *alias)
                 return err;
 
         if (list == NULL)
-                log_debug("no module matches '%s'\n", alias);
+                log_debug("no module matches '%s'", alias);
 
         kmod_list_foreach(l, list) {
                 struct kmod_module *mod = kmod_module_get_module(l);
 
                 err = kmod_module_probe_insert_module(mod, KMOD_PROBE_APPLY_BLACKLIST, NULL, NULL, NULL, NULL);
                 if (err == KMOD_PROBE_APPLY_BLACKLIST)
-                        log_debug("module '%s' is blacklisted\n", kmod_module_get_name(mod));
+                        log_debug("module '%s' is blacklisted", kmod_module_get_name(mod));
                 else if (err == 0)
-                        log_debug("inserted '%s'\n", kmod_module_get_name(mod));
+                        log_debug("inserted '%s'", kmod_module_get_name(mod));
                 else
-                        log_debug("failed to insert '%s'\n", kmod_module_get_name(mod));
+                        log_debug("failed to insert '%s'", kmod_module_get_name(mod));
 
                 kmod_module_unref(mod);
         }
@@ -80,12 +80,12 @@ static int builtin_kmod(struct udev_device *dev, int argc, char *argv[], bool te
                 return 0;
 
         if (argc < 3 || !streq(argv[1], "load")) {
-                log_error("expect: %s load <module>\n", argv[0]);
+                log_error("expect: %s load <module>", argv[0]);
                 return EXIT_FAILURE;
         }
 
         for (i = 2; argv[i]; i++) {
-                log_debug("execute '%s' '%s'\n", argv[1], argv[i]);
+                log_debug("execute '%s' '%s'", argv[1], argv[i]);
                 load_module(udev, argv[i]);
         }
 
@@ -102,7 +102,7 @@ static int builtin_kmod_init(struct udev *udev)
         if (!ctx)
                 return -ENOMEM;
 
-        log_debug("load module index\n");
+        log_debug("load module index");
         kmod_set_log_fn(ctx, udev_kmod_log, udev);
         kmod_load_resources(ctx);
         return 0;
@@ -111,14 +111,14 @@ static int builtin_kmod_init(struct udev *udev)
 /* called on udev shutdown and reload request */
 static void builtin_kmod_exit(struct udev *udev)
 {
-        log_debug("unload module index\n");
+        log_debug("unload module index");
         ctx = kmod_unref(ctx);
 }
 
 /* called every couple of seconds during event activity; 'true' if config has changed */
 static bool builtin_kmod_validate(struct udev *udev)
 {
-        log_debug("validate module index\n");
+        log_debug("validate module index");
         if (!ctx)
                 return false;
         return (kmod_validate_resources(ctx) != KMOD_RESOURCES_OK);
diff --git a/src/udev/udev-builtin-usb_id.c b/src/udev/udev-builtin-usb_id.c
index 3e2f43e1a6d..1b9f8246fb8 100644
--- a/src/udev/udev-builtin-usb_id.c
+++ b/src/udev/udev-builtin-usb_id.c
@@ -275,7 +275,7 @@ static int builtin_usb_id(struct udev_device *dev, int argc, char *argv[], bool
         /* usb interface directory */
         dev_interface = udev_device_get_parent_with_subsystem_devtype(dev, "usb", "usb_interface");
         if (dev_interface == NULL) {
-                log_debug("unable to access usb_interface device of '%s'\n",
+                log_debug("unable to access usb_interface device of '%s'",
                      udev_device_get_syspath(dev));
                 return EXIT_FAILURE;
         }
@@ -285,7 +285,7 @@ static int builtin_usb_id(struct udev_device *dev, int argc, char *argv[], bool
 
         if_class = udev_device_get_sysattr_value(dev_interface, "bInterfaceClass");
         if (!if_class) {
-                log_debug("%s: cannot get bInterfaceClass attribute\n",
+                log_debug("%s: cannot get bInterfaceClass attribute",
                      udev_device_get_sysname(dev));
                 return EXIT_FAILURE;
         }
@@ -300,13 +300,13 @@ static int builtin_usb_id(struct udev_device *dev, int argc, char *argv[], bool
                 set_usb_iftype(type_str, if_class_num, sizeof(type_str)-1);
         }
 
-        log_debug("%s: if_class %d protocol %d\n",
+        log_debug("%s: if_class %d protocol %d",
              udev_device_get_syspath(dev_interface), if_class_num, protocol);
 
         /* usb device directory */
         dev_usb = udev_device_get_parent_with_subsystem_devtype(dev_interface, "usb", "usb_device");
         if (!dev_usb) {
-                log_debug("unable to find parent 'usb' device of '%s'\n",
+                log_debug("unable to find parent 'usb' device of '%s'",
                      udev_device_get_syspath(dev));
                 return EXIT_FAILURE;
         }
@@ -323,19 +323,19 @@ static int builtin_usb_id(struct udev_device *dev, int argc, char *argv[], bool
                 /* get scsi device */
                 dev_scsi = udev_device_get_parent_with_subsystem_devtype(dev, "scsi", "scsi_device");
                 if (dev_scsi == NULL) {
-                        log_debug("unable to find parent 'scsi' device of '%s'\n",
+                        log_debug("unable to find parent 'scsi' device of '%s'",
                              udev_device_get_syspath(dev));
                         goto fallback;
                 }
                 if (sscanf(udev_device_get_sysname(dev_scsi), "%d:%d:%d:%d", &host, &bus, &target, &lun) != 4) {
-                        log_debug("invalid scsi device '%s'\n", udev_device_get_sysname(dev_scsi));
+                        log_debug("invalid scsi device '%s'", udev_device_get_sysname(dev_scsi));
                         goto fallback;
                 }
 
                 /* Generic SPC-2 device */
                 scsi_vendor = udev_device_get_sysattr_value(dev_scsi, "vendor");
                 if (!scsi_vendor) {
-                        log_debug("%s: cannot get SCSI vendor attribute\n",
+                        log_debug("%s: cannot get SCSI vendor attribute",
                              udev_device_get_sysname(dev_scsi));
                         goto fallback;
                 }
@@ -345,7 +345,7 @@ static int builtin_usb_id(struct udev_device *dev, int argc, char *argv[], bool
 
                 scsi_model = udev_device_get_sysattr_value(dev_scsi, "model");
                 if (!scsi_model) {
-                        log_debug("%s: cannot get SCSI model attribute\n",
+                        log_debug("%s: cannot get SCSI model attribute",
                              udev_device_get_sysname(dev_scsi));
                         goto fallback;
                 }
@@ -355,7 +355,7 @@ static int builtin_usb_id(struct udev_device *dev, int argc, char *argv[], bool
 
                 scsi_type = udev_device_get_sysattr_value(dev_scsi, "type");
                 if (!scsi_type) {
-                        log_debug("%s: cannot get SCSI type attribute\n",
+                        log_debug("%s: cannot get SCSI type attribute",
                              udev_device_get_sysname(dev_scsi));
                         goto fallback;
                 }
@@ -363,7 +363,7 @@ static int builtin_usb_id(struct udev_device *dev, int argc, char *argv[], bool
 
                 scsi_rev = udev_device_get_sysattr_value(dev_scsi, "rev");
                 if (!scsi_rev) {
-                        log_debug("%s: cannot get SCSI revision attribute\n",
+                        log_debug("%s: cannot get SCSI revision attribute",
                              udev_device_get_sysname(dev_scsi));
                         goto fallback;
                 }
@@ -389,7 +389,7 @@ fallback:
                 if (!usb_vendor)
                         usb_vendor = vendor_id;
                 if (!usb_vendor) {
-                        log_debug("No USB vendor information available\n");
+                        log_debug("No USB vendor information available");
                         return EXIT_FAILURE;
                 }
                 udev_util_encode_string(usb_vendor, vendor_str_enc, sizeof(vendor_str_enc));
diff --git a/src/udev/udev-ctrl.c b/src/udev/udev-ctrl.c
index 39d777ec738..26879864b03 100644
--- a/src/udev/udev-ctrl.c
+++ b/src/udev/udev-ctrl.c
@@ -84,7 +84,7 @@ struct udev_ctrl *udev_ctrl_new_from_fd(struct udev *udev, int fd)
         if (fd < 0) {
                 uctrl->sock = socket(AF_LOCAL, SOCK_SEQPACKET|SOCK_NONBLOCK|SOCK_CLOEXEC, 0);
                 if (uctrl->sock < 0) {
-                        log_error("error getting socket: %m\n");
+                        log_error("error getting socket: %m");
                         udev_ctrl_unref(uctrl);
                         return NULL;
                 }
@@ -118,14 +118,14 @@ int udev_ctrl_enable_receiving(struct udev_ctrl *uctrl)
 
                 if (err < 0) {
                         err = -errno;
-                        log_error("bind failed: %m\n");
+                        log_error("bind failed: %m");
                         return err;
                 }
 
                 err = listen(uctrl->sock, 0);
                 if (err < 0) {
                         err = -errno;
-                        log_error("listen failed: %m\n");
+                        log_error("listen failed: %m");
                         return err;
                 }
 
@@ -193,7 +193,7 @@ struct udev_ctrl_connection *udev_ctrl_get_connection(struct udev_ctrl *uctrl)
         conn->sock = accept4(uctrl->sock, NULL, NULL, SOCK_CLOEXEC|SOCK_NONBLOCK);
         if (conn->sock < 0) {
                 if (errno != EINTR)
-                        log_error("unable to receive ctrl connection: %m\n");
+                        log_error("unable to receive ctrl connection: %m");
                 goto err;
         }
 
@@ -204,7 +204,7 @@ struct udev_ctrl_connection *udev_ctrl_get_connection(struct udev_ctrl *uctrl)
                 goto err;
         }
         if (ucred.uid > 0) {
-                log_error("sender uid=%i, message ignored\n", ucred.uid);
+                log_error("sender uid=%i, message ignored", ucred.uid);
                 goto err;
         }
 
@@ -372,11 +372,11 @@ struct udev_ctrl_msg *udev_ctrl_receive_msg(struct udev_ctrl_connection *conn)
                                 continue;
                         goto err;
                 } else if (r == 0) {
-                        log_error("timeout waiting for ctrl message\n");
+                        log_error("timeout waiting for ctrl message");
                         goto err;
                 } else {
                         if (!(pfd[0].revents & POLLIN)) {
-                                log_error("ctrl connection error: %m\n");
+                                log_error("ctrl connection error: %m");
                                 goto err;
                         }
                 }
@@ -389,24 +389,24 @@ struct udev_ctrl_msg *udev_ctrl_receive_msg(struct udev_ctrl_connection *conn)
 
         size = recvmsg(conn->sock, &smsg, 0);
         if (size <  0) {
-                log_error("unable to receive ctrl message: %m\n");
+                log_error("unable to receive ctrl message: %m");
                 goto err;
         }
         cmsg = CMSG_FIRSTHDR(&smsg);
         cred = (struct ucred *) CMSG_DATA(cmsg);
 
         if (cmsg == NULL || cmsg->cmsg_type != SCM_CREDENTIALS) {
-                log_error("no sender credentials received, message ignored\n");
+                log_error("no sender credentials received, message ignored");
                 goto err;
         }
 
         if (cred->uid != 0) {
-                log_error("sender uid=%i, message ignored\n", cred->uid);
+                log_error("sender uid=%i, message ignored", cred->uid);
                 goto err;
         }
 
         if (uctrl_msg->ctrl_msg_wire.magic != UDEV_CTRL_MAGIC) {
-                log_error("message magic 0x%08x doesn't match, ignore it\n", uctrl_msg->ctrl_msg_wire.magic);
+                log_error("message magic 0x%08x doesn't match, ignore it", uctrl_msg->ctrl_msg_wire.magic);
                 goto err;
         }
 
diff --git a/src/udev/udev-event.c b/src/udev/udev-event.c
index 0d1049cf1cc..5aec0770435 100644
--- a/src/udev/udev-event.c
+++ b/src/udev/udev-event.c
@@ -175,7 +175,7 @@ subst:
                         from++;
                         for (i = 0; from[i] != '}'; i++) {
                                 if (from[i] == '\0') {
-                                        log_error("missing closing brace for format '%s'\n", src);
+                                        log_error("missing closing brace for format '%s'", src);
                                         goto out;
                                 }
                         }
@@ -256,7 +256,7 @@ subst:
                                                 cpos++;
                                 }
                                 if (i > 0) {
-                                        log_error("requested part of result string not found\n");
+                                        log_error("requested part of result string not found");
                                         break;
                                 }
                                 strscpy(tmp, sizeof(tmp), cpos);
@@ -279,7 +279,7 @@ subst:
                         int count;
 
                         if (attr == NULL) {
-                                log_error("missing file parameter for attr\n");
+                                log_error("missing file parameter for attr");
                                 break;
                         }
 
@@ -306,7 +306,7 @@ subst:
                                 vbuf[len] = '\0';
                         count = util_replace_chars(vbuf, UDEV_ALLOWED_CHARS_INPUT);
                         if (count > 0)
-                                log_debug("%i character(s) replaced\n" , count);
+                                log_debug("%i character(s) replaced" , count);
                         l = strpcpy(&s, l, vbuf);
                         break;
                 }
@@ -364,7 +364,7 @@ subst:
                                 break;
                         }
                 default:
-                        log_error("unknown substitution type=%i\n", type);
+                        log_error("unknown substitution type=%i", type);
                         break;
                 }
         }
@@ -391,7 +391,7 @@ static int spawn_exec(struct udev_event *event,
                         dup2(fd, STDERR_FILENO);
                 close(fd);
         } else {
-                log_error("open /dev/null failed: %m\n");
+                log_error("open /dev/null failed: %m");
         }
 
         /* connect pipes to std{out,err} */
@@ -415,7 +415,7 @@ static int spawn_exec(struct udev_event *event,
 
         /* exec failed */
         err = -errno;
-        log_error("failed to execute '%s' '%s': %m\n", argv[0], cmd);
+        log_error("failed to execute '%s' '%s': %m", argv[0], cmd);
         return err;
 }
 
@@ -434,7 +434,7 @@ static void spawn_read(struct udev_event *event,
 
         fd_ep = epoll_create1(EPOLL_CLOEXEC);
         if (fd_ep < 0) {
-                log_error("error creating epoll fd: %m\n");
+                log_error("error creating epoll fd: %m");
                 goto out;
         }
 
@@ -443,7 +443,7 @@ static void spawn_read(struct udev_event *event,
                 ep_outpipe.events = EPOLLIN;
                 ep_outpipe.data.ptr = &fd_stdout;
                 if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_stdout, &ep_outpipe) < 0) {
-                        log_error("fail to add fd to epoll: %m\n");
+                        log_error("fail to add fd to epoll: %m");
                         goto out;
                 }
         }
@@ -453,7 +453,7 @@ static void spawn_read(struct udev_event *event,
                 ep_errpipe.events = EPOLLIN;
                 ep_errpipe.data.ptr = &fd_stderr;
                 if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_stderr, &ep_errpipe) < 0) {
-                        log_error("fail to add fd to epoll: %m\n");
+                        log_error("fail to add fd to epoll: %m");
                         goto out;
                 }
         }
@@ -470,7 +470,7 @@ static void spawn_read(struct udev_event *event,
 
                         age_usec = now(CLOCK_MONOTONIC) - event->birth_usec;
                         if (age_usec >= event->timeout_usec) {
-                                log_error("timeout '%s'\n", cmd);
+                                log_error("timeout '%s'", cmd);
                                 goto out;
                         }
                         timeout = ((event->timeout_usec - age_usec) / 1000) + 1000;
@@ -482,11 +482,11 @@ static void spawn_read(struct udev_event *event,
                 if (fdcount < 0) {
                         if (errno == EINTR)
                                 continue;
-                        log_error("failed to poll: %m\n");
+                        log_error("failed to poll: %m");
                         goto out;
                 }
                 if (fdcount == 0) {
-                        log_error("timeout '%s'\n", cmd);
+                        log_error("timeout '%s'", cmd);
                         goto out;
                 }
 
@@ -508,7 +508,7 @@ static void spawn_read(struct udev_event *event,
                                                 memcpy(&result[respos], buf, count);
                                                 respos += count;
                                         } else {
-                                                log_error("'%s' ressize %zd too short\n", cmd, ressize);
+                                                log_error("'%s' ressize %zd too short", cmd, ressize);
                                         }
                                 }
 
@@ -520,12 +520,12 @@ static void spawn_read(struct udev_event *event,
                                         pos = buf;
                                         while ((line = strsep(&pos, "\n"))) {
                                                 if (pos != NULL || line[0] != '\0')
-                                                        log_debug("'%s'(%s) '%s'\n", cmd, *fd == fd_stdout ? "out" : "err" , line);
+                                                        log_debug("'%s'(%s) '%s'", cmd, *fd == fd_stdout ? "out" : "err" , line);
                                         }
                                 }
                         } else if (ev[i].events & EPOLLHUP) {
                                 if (epoll_ctl(fd_ep, EPOLL_CTL_DEL, *fd, NULL) < 0) {
-                                        log_error("failed to remove fd from epoll: %m\n");
+                                        log_error("failed to remove fd from epoll: %m");
                                         goto out;
                                 }
                                 *fd = -1;
@@ -570,11 +570,11 @@ static int spawn_wait(struct udev_event *event, const char *cmd, pid_t pid)
                         if (errno == EINTR)
                                 continue;
                         err = -errno;
-                        log_error("failed to poll: %m\n");
+                        log_error("failed to poll: %m");
                         goto out;
                 }
                 if (fdcount == 0) {
-                        log_error("timeout: killing '%s' [%u]\n", cmd, pid);
+                        log_error("timeout: killing '%s' [%u]", cmd, pid);
                         kill(pid, SIGKILL);
                 }
 
@@ -595,20 +595,20 @@ static int spawn_wait(struct udev_event *event, const char *cmd, pid_t pid)
                                 if (waitpid(pid, &status, WNOHANG) < 0)
                                         break;
                                 if (WIFEXITED(status)) {
-                                        log_debug("'%s' [%u] exit with return code %i\n", cmd, pid, WEXITSTATUS(status));
+                                        log_debug("'%s' [%u] exit with return code %i", cmd, pid, WEXITSTATUS(status));
                                         if (WEXITSTATUS(status) != 0)
                                                 err = -1;
                                 } else if (WIFSIGNALED(status)) {
-                                        log_error("'%s' [%u] terminated by signal %i (%s)\n", cmd, pid, WTERMSIG(status), strsignal(WTERMSIG(status)));
+                                        log_error("'%s' [%u] terminated by signal %i (%s)", cmd, pid, WTERMSIG(status), strsignal(WTERMSIG(status)));
                                         err = -1;
                                 } else if (WIFSTOPPED(status)) {
-                                        log_error("'%s' [%u] stopped\n", cmd, pid);
+                                        log_error("'%s' [%u] stopped", cmd, pid);
                                         err = -1;
                                 } else if (WIFCONTINUED(status)) {
-                                        log_error("'%s' [%u] continued\n", cmd, pid);
+                                        log_error("'%s' [%u] continued", cmd, pid);
                                         err = -1;
                                 } else {
-                                        log_error("'%s' [%u] exit with status 0x%04x\n", cmd, pid, status);
+                                        log_error("'%s' [%u] exit with status 0x%04x", cmd, pid, status);
                                         err = -1;
                                 }
                                 pid = 0;
@@ -674,14 +674,14 @@ int udev_event_spawn(struct udev_event *event,
         if (result != NULL || udev_get_log_priority(udev) >= LOG_INFO) {
                 if (pipe2(outpipe, O_NONBLOCK) != 0) {
                         err = -errno;
-                        log_error("pipe failed: %m\n");
+                        log_error("pipe failed: %m");
                         goto out;
                 }
         }
         if (udev_get_log_priority(udev) >= LOG_INFO) {
                 if (pipe2(errpipe, O_NONBLOCK) != 0) {
                         err = -errno;
-                        log_error("pipe failed: %m\n");
+                        log_error("pipe failed: %m");
                         goto out;
                 }
         }
@@ -705,14 +705,14 @@ int udev_event_spawn(struct udev_event *event,
                         errpipe[READ_END] = -1;
                 }
 
-                log_debug("starting '%s'\n", cmd);
+                log_debug("starting '%s'", cmd);
 
                 spawn_exec(event, cmd, argv, envp, sigmask,
                            outpipe[WRITE_END], errpipe[WRITE_END]);
 
                 _exit(2 );
         case -1:
-                log_error("fork of '%s' failed: %m\n", cmd);
+                log_error("fork of '%s' failed: %m", cmd);
                 err = -1;
                 goto out;
         default:
@@ -755,7 +755,7 @@ static int rename_netif(struct udev_event *event)
 
         oldname = udev_device_get_sysname(dev);
 
-        log_debug("changing net interface name from '%s' to '%s'\n",
+        log_debug("changing net interface name from '%s' to '%s'",
                   oldname, event->name);
 
         strscpy(name, IFNAMSIZ, event->name);
@@ -817,7 +817,7 @@ int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules,
 
                         err = rename_netif(event);
                         if (err == 0) {
-                                log_debug("renamed netif to '%s'\n", event->name);
+                                log_debug("renamed netif to '%s'", event->name);
 
                                 /* remember old name */
                                 udev_device_add_property(dev, "INTERFACE_OLD", udev_device_get_sysname(dev));
@@ -830,7 +830,7 @@ int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules,
                                         strscpy(pos, sizeof(syspath) - (pos - syspath), event->name);
                                         udev_device_set_syspath(event->dev, syspath);
                                         udev_device_add_property(dev, "INTERFACE", udev_device_get_sysname(dev));
-                                        log_debug("changed devpath to '%s'\n", udev_device_get_devpath(dev));
+                                        log_debug("changed devpath to '%s'", udev_device_get_devpath(dev));
                                 }
                         }
                 }
@@ -900,7 +900,7 @@ void udev_event_execute_run(struct udev_event *event, const sigset_t *sigmask)
                         char **envp;
 
                         if (event->exec_delay > 0) {
-                                log_debug("delay execution of '%s'\n", program);
+                                log_debug("delay execution of '%s'", program);
                                 sleep(event->exec_delay);
                         }
 
diff --git a/src/udev/udev-node.c b/src/udev/udev-node.c
index 0429c35ff7f..200e24fb412 100644
--- a/src/udev/udev-node.c
+++ b/src/udev/udev-node.c
@@ -66,7 +66,7 @@ static int node_symlink(struct udev_device *dev, const char *node, const char *s
         /* preserve link with correct target, do not replace node of other device */
         if (lstat(slink, &stats) == 0) {
                 if (S_ISBLK(stats.st_mode) || S_ISCHR(stats.st_mode)) {
-                        log_error("conflicting device node '%s' found, link to '%s' will not be created\n", slink, node);
+                        log_error("conflicting device node '%s' found, link to '%s' will not be created", slink, node);
                         goto exit;
                 } else if (S_ISLNK(stats.st_mode)) {
                         char buf[UTIL_PATH_SIZE];
@@ -76,7 +76,7 @@ static int node_symlink(struct udev_device *dev, const char *node, const char *s
                         if (len > 0 && len < (int)sizeof(buf)) {
                                 buf[len] = '\0';
                                 if (streq(target, buf)) {
-                                        log_debug("preserve already existing symlink '%s' to '%s'\n", slink, target);
+                                        log_debug("preserve already existing symlink '%s' to '%s'", slink, target);
                                         label_fix(slink, true, false);
                                         utimensat(AT_FDCWD, slink, NULL, AT_SYMLINK_NOFOLLOW);
                                         goto exit;
@@ -84,7 +84,7 @@ static int node_symlink(struct udev_device *dev, const char *node, const char *s
                         }
                 }
         } else {
-                log_debug("creating symlink '%s' to '%s'\n", slink, target);
+                log_debug("creating symlink '%s' to '%s'", slink, target);
                 do {
                         err = mkdir_parents_label(slink, 0755);
                         if (err != 0 && err != -ENOENT)
@@ -99,7 +99,7 @@ static int node_symlink(struct udev_device *dev, const char *node, const char *s
                         goto exit;
         }
 
-        log_debug("atomically replace '%s'\n", slink);
+        log_debug("atomically replace '%s'", slink);
         strscpyl(slink_tmp, sizeof(slink_tmp), slink, ".tmp-", udev_device_get_id_filename(dev), NULL);
         unlink(slink_tmp);
         do {
@@ -113,12 +113,12 @@ static int node_symlink(struct udev_device *dev, const char *node, const char *s
                 label_context_clear();
         } while (err == -ENOENT);
         if (err != 0) {
-                log_error("symlink '%s' '%s' failed: %m\n", target, slink_tmp);
+                log_error("symlink '%s' '%s' failed: %m", target, slink_tmp);
                 goto exit;
         }
         err = rename(slink_tmp, slink);
         if (err != 0) {
-                log_error("rename '%s' '%s' failed: %m\n", slink_tmp, slink);
+                log_error("rename '%s' '%s' failed: %m", slink_tmp, slink);
                 unlink(slink_tmp);
         }
 exit:
@@ -152,7 +152,7 @@ static const char *link_find_prioritized(struct udev_device *dev, bool add, cons
                 if (dent->d_name[0] == '.')
                         continue;
 
-                log_debug("found '%s' claiming '%s'\n", dent->d_name, stackdir);
+                log_debug("found '%s' claiming '%s'", dent->d_name, stackdir);
 
                 /* did we find ourself? */
                 if (streq(dent->d_name, udev_device_get_id_filename(dev)))
@@ -165,7 +165,7 @@ static const char *link_find_prioritized(struct udev_device *dev, bool add, cons
                         devnode = udev_device_get_devnode(dev_db);
                         if (devnode != NULL) {
                                 if (target == NULL || udev_device_get_devlink_priority(dev_db) > priority) {
-                                        log_debug("'%s' claims priority %i for '%s'\n",
+                                        log_debug("'%s' claims priority %i for '%s'",
                                                   udev_device_get_syspath(dev_db), udev_device_get_devlink_priority(dev_db), stackdir);
                                         priority = udev_device_get_devlink_priority(dev_db);
                                         strscpy(buf, bufsize, devnode);
@@ -198,11 +198,11 @@ static void link_update(struct udev_device *dev, const char *slink, bool add)
 
         target = link_find_prioritized(dev, add, dirname, buf, sizeof(buf));
         if (target == NULL) {
-                log_debug("no reference left, remove '%s'\n", slink);
+                log_debug("no reference left, remove '%s'", slink);
                 if (unlink(slink) == 0)
                         util_delete_path(udev, slink);
         } else {
-                log_debug("creating link '%s' to '%s'\n", slink, target);
+                log_debug("creating link '%s' to '%s'", slink, target);
                 node_symlink(dev, target, slink);
         }
 
@@ -247,7 +247,7 @@ void udev_node_update_old_links(struct udev_device *dev, struct udev_device *dev
                 if (found)
                         continue;
 
-                log_debug("update old name, '%s' no longer belonging to '%s'\n",
+                log_debug("update old name, '%s' no longer belonging to '%s'",
                      name, udev_device_get_devpath(dev));
                 link_update(dev, name, false);
         }
@@ -269,13 +269,13 @@ static int node_permissions_apply(struct udev_device *dev, bool apply,
 
         if (lstat(devnode, &stats) != 0) {
                 err = -errno;
-                log_debug("can not stat() node '%s' (%m)\n", devnode);
+                log_debug("can not stat() node '%s' (%m)", devnode);
                 goto out;
         }
 
         if (((stats.st_mode & S_IFMT) != (mode & S_IFMT)) || (stats.st_rdev != devnum)) {
                 err = -EEXIST;
-                log_debug("found node '%s' with non-matching devnum %s, skip handling\n",
+                log_debug("found node '%s' with non-matching devnum %s, skip handling",
                           udev_device_get_devnode(dev), udev_device_get_id_filename(dev));
                 goto out;
         }
@@ -285,11 +285,11 @@ static int node_permissions_apply(struct udev_device *dev, bool apply,
                 bool smack = false;
 
                 if ((stats.st_mode & 0777) != (mode & 0777) || stats.st_uid != uid || stats.st_gid != gid) {
-                        log_debug("set permissions %s, %#o, uid=%u, gid=%u\n", devnode, mode, uid, gid);
+                        log_debug("set permissions %s, %#o, uid=%u, gid=%u", devnode, mode, uid, gid);
                         chmod(devnode, mode);
                         chown(devnode, uid, gid);
                 } else {
-                        log_debug("preserve permissions %s, %#o, uid=%u, gid=%u\n", devnode, mode, uid, gid);
+                        log_debug("preserve permissions %s, %#o, uid=%u, gid=%u", devnode, mode, uid, gid);
                 }
 
                 /* apply SECLABEL{$module}=$label */
@@ -336,7 +336,7 @@ void udev_node_add(struct udev_device *dev, bool apply,
         char filename[UTIL_PATH_SIZE];
         struct udev_list_entry *list_entry;
 
-        log_debug("handling device node '%s', devnum=%s, mode=%#o, uid=%d, gid=%d\n",
+        log_debug("handling device node '%s', devnum=%s, mode=%#o, uid=%d, gid=%d",
                   udev_device_get_devnode(dev), udev_device_get_id_filename(dev), mode, uid, gid);
 
         if (node_permissions_apply(dev, apply, mode, uid, gid, seclabel_list) < 0)
diff --git a/src/udev/udev-rules.c b/src/udev/udev-rules.c
index f793e577122..bbf547222c2 100644
--- a/src/udev/udev-rules.c
+++ b/src/udev/udev-rules.c
@@ -324,7 +324,7 @@ static void dump_token(struct udev_rules *rules, struct token *token)
                         const char *tk_ptr = (char *)token;
                         unsigned int idx = (tk_ptr - tks_ptr) / sizeof(struct token);
 
-                        log_debug("* RULE %s:%u, token: %u, count: %u, label: '%s'\n",
+                        log_debug("* RULE %s:%u, token: %u, count: %u, label: '%s'",
                                   &rules->buf[token->rule.filename_off], token->rule.filename_line,
                                   idx, token->rule.token_count,
                                   &rules->buf[token->rule.label_off]);
@@ -356,68 +356,68 @@ static void dump_token(struct udev_rules *rules, struct token *token)
         case TK_A_MODE:
         case TK_A_RUN_BUILTIN:
         case TK_A_RUN_PROGRAM:
-                log_debug("%s %s '%s'(%s)\n",
+                log_debug("%s %s '%s'(%s)",
                           token_str(type), operation_str(op), value, string_glob_str(glob));
                 break;
         case TK_M_IMPORT_BUILTIN:
-                log_debug("%s %i '%s'\n", token_str(type), token->key.builtin_cmd, value);
+                log_debug("%s %i '%s'", token_str(type), token->key.builtin_cmd, value);
                 break;
         case TK_M_ATTR:
         case TK_M_ATTRS:
         case TK_M_ENV:
         case TK_A_ATTR:
         case TK_A_ENV:
-                log_debug("%s %s '%s' '%s'(%s)\n",
+                log_debug("%s %s '%s' '%s'(%s)",
                           token_str(type), operation_str(op), attr, value, string_glob_str(glob));
                 break;
         case TK_M_TAG:
         case TK_A_TAG:
-                log_debug("%s %s '%s'\n", token_str(type), operation_str(op), value);
+                log_debug("%s %s '%s'", token_str(type), operation_str(op), value);
                 break;
         case TK_A_STRING_ESCAPE_NONE:
         case TK_A_STRING_ESCAPE_REPLACE:
         case TK_A_DB_PERSIST:
-                log_debug("%s\n", token_str(type));
+                log_debug("%s", token_str(type));
                 break;
         case TK_M_TEST:
-                log_debug("%s %s '%s'(%s) %#o\n",
+                log_debug("%s %s '%s'(%s) %#o",
                           token_str(type), operation_str(op), value, string_glob_str(glob), token->key.mode);
                 break;
         case TK_A_INOTIFY_WATCH:
-                log_debug("%s %u\n", token_str(type), token->key.watch);
+                log_debug("%s %u", token_str(type), token->key.watch);
                 break;
         case TK_A_DEVLINK_PRIO:
-                log_debug("%s %u\n", token_str(type), token->key.devlink_prio);
+                log_debug("%s %u", token_str(type), token->key.devlink_prio);
                 break;
         case TK_A_OWNER_ID:
-                log_debug("%s %s %u\n", token_str(type), operation_str(op), token->key.uid);
+                log_debug("%s %s %u", token_str(type), operation_str(op), token->key.uid);
                 break;
         case TK_A_GROUP_ID:
-                log_debug("%s %s %u\n", token_str(type), operation_str(op), token->key.gid);
+                log_debug("%s %s %u", token_str(type), operation_str(op), token->key.gid);
                 break;
         case TK_A_MODE_ID:
-                log_debug("%s %s %#o\n", token_str(type), operation_str(op), token->key.mode);
+                log_debug("%s %s %#o", token_str(type), operation_str(op), token->key.mode);
                 break;
         case TK_A_STATIC_NODE:
-                log_debug("%s '%s'\n", token_str(type), value);
+                log_debug("%s '%s'", token_str(type), value);
                 break;
         case TK_A_SECLABEL:
-                log_debug("%s %s '%s' '%s'\n", token_str(type), operation_str(op), attr, value);
+                log_debug("%s %s '%s' '%s'", token_str(type), operation_str(op), attr, value);
                 break;
         case TK_M_EVENT_TIMEOUT:
-                log_debug("%s %u\n", token_str(type), token->key.event_timeout);
+                log_debug("%s %u", token_str(type), token->key.event_timeout);
                 break;
         case TK_A_GOTO:
-                log_debug("%s '%s' %u\n", token_str(type), value, token->key.rule_goto);
+                log_debug("%s '%s' %u", token_str(type), value, token->key.rule_goto);
                 break;
         case TK_END:
-                log_debug("* %s\n", token_str(type));
+                log_debug("* %s", token_str(type));
                 break;
         case TK_M_PARENTS_MIN:
         case TK_M_PARENTS_MAX:
         case TK_M_MAX:
         case TK_UNSET:
-                log_debug("unknown type %u\n", type);
+                log_debug("unknown type %u", type);
                 break;
         }
 }
@@ -426,7 +426,7 @@ static void dump_rules(struct udev_rules *rules)
 {
         unsigned int i;
 
-        log_debug("dumping %u (%zu bytes) tokens, %u (%zu bytes) strings\n",
+        log_debug("dumping %u (%zu bytes) tokens, %u (%zu bytes) strings",
                   rules->token_cur,
                   rules->token_cur * sizeof(struct token),
                   rules->buf_count,
@@ -595,7 +595,7 @@ static int import_property_from_string(struct udev_device *dev, char *line)
         /* unquote */
         if (val[0] == '"' || val[0] == '\'') {
                 if (val[len-1] != val[0]) {
-                        log_debug("inconsistent quoting: '%s', skip\n", line);
+                        log_debug("inconsistent quoting: '%s', skip", line);
                         return -1;
                 }
                 val[len-1] = '\0';
@@ -698,18 +698,18 @@ static int wait_for_file(struct udev_device *dev, const char *file, int timeout)
 
                 /* lookup file */
                 if (stat(file, &stats) == 0) {
-                        log_debug("file '%s' appeared after %i loops\n", file, (timeout * WAIT_LOOP_PER_SECOND) - loop-1);
+                        log_debug("file '%s' appeared after %i loops", file, (timeout * WAIT_LOOP_PER_SECOND) - loop-1);
                         return 0;
                 }
                 /* make sure, the device did not disappear in the meantime */
                 if (devicepath[0] != '\0' && stat(devicepath, &stats) != 0) {
-                        log_debug("device disappeared while waiting for '%s'\n", file);
+                        log_debug("device disappeared while waiting for '%s'", file);
                         return -2;
                 }
-                log_debug("wait for '%s' for %i mseconds\n", file, 1000 / WAIT_LOOP_PER_SECOND);
+                log_debug("wait for '%s' for %i mseconds", file, 1000 / WAIT_LOOP_PER_SECOND);
                 nanosleep(&duration, NULL);
         }
-        log_debug("waiting for '%s' failed\n", file);
+        log_debug("waiting for '%s' failed", file);
         return -1;
 }
 
@@ -849,7 +849,7 @@ static const char *get_key_attribute(struct udev *udev, char *str)
                 attr++;
                 pos = strchr(attr, '}');
                 if (pos == NULL) {
-                        log_error("missing closing brace for format\n");
+                        log_error("missing closing brace for format");
                         return NULL;
                 }
                 pos[0] = '\0';
@@ -950,7 +950,7 @@ static int rule_add_key(struct rule_tmp *rule_tmp, enum token_type type,
         case TK_M_MAX:
         case TK_END:
         case TK_UNSET:
-                log_error("wrong type %u\n", type);
+                log_error("wrong type %u", type);
                 return -1;
         }
 
@@ -1001,7 +1001,7 @@ static int rule_add_key(struct rule_tmp *rule_tmp, enum token_type type,
         token->key.op = op;
         rule_tmp->token_cur++;
         if (rule_tmp->token_cur >= ELEMENTSOF(rule_tmp->token)) {
-                log_error("temporary rule array too small\n");
+                log_error("temporary rule array too small");
                 return -1;
         }
         return 0;
@@ -1088,7 +1088,7 @@ static int add_rule(struct udev_rules *rules, char *line,
 
                 if (streq(key, "ACTION")) {
                         if (op > OP_MATCH_MAX) {
-                                log_error("invalid ACTION operation\n");
+                                log_error("invalid ACTION operation");
                                 goto invalid;
                         }
                         rule_add_key(&rule_tmp, TK_M_ACTION, op, value, NULL);
@@ -1097,7 +1097,7 @@ static int add_rule(struct udev_rules *rules, char *line,
 
                 if (streq(key, "DEVPATH")) {
                         if (op > OP_MATCH_MAX) {
-                                log_error("invalid DEVPATH operation\n");
+                                log_error("invalid DEVPATH operation");
                                 goto invalid;
                         }
                         rule_add_key(&rule_tmp, TK_M_DEVPATH, op, value, NULL);
@@ -1106,7 +1106,7 @@ static int add_rule(struct udev_rules *rules, char *line,
 
                 if (streq(key, "KERNEL")) {
                         if (op > OP_MATCH_MAX) {
-                                log_error("invalid KERNEL operation\n");
+                                log_error("invalid KERNEL operation");
                                 goto invalid;
                         }
                         rule_add_key(&rule_tmp, TK_M_KERNEL, op, value, NULL);
@@ -1115,7 +1115,7 @@ static int add_rule(struct udev_rules *rules, char *line,
 
                 if (streq(key, "SUBSYSTEM")) {
                         if (op > OP_MATCH_MAX) {
-                                log_error("invalid SUBSYSTEM operation\n");
+                                log_error("invalid SUBSYSTEM operation");
                                 goto invalid;
                         }
                         /* bus, class, subsystem events should all be the same */
@@ -1123,7 +1123,7 @@ static int add_rule(struct udev_rules *rules, char *line,
                             streq(value, "bus") ||
                             streq(value, "class")) {
                                 if (streq(value, "bus") || streq(value, "class"))
-                                        log_error("'%s' must be specified as 'subsystem' \n"
+                                        log_error("'%s' must be specified as 'subsystem' "
                                             "please fix it in %s:%u", value, filename, lineno);
                                 rule_add_key(&rule_tmp, TK_M_SUBSYSTEM, op, "subsystem|class|bus", NULL);
                         } else
@@ -1133,7 +1133,7 @@ static int add_rule(struct udev_rules *rules, char *line,
 
                 if (streq(key, "DRIVER")) {
                         if (op > OP_MATCH_MAX) {
-                                log_error("invalid DRIVER operation\n");
+                                log_error("invalid DRIVER operation");
                                 goto invalid;
                         }
                         rule_add_key(&rule_tmp, TK_M_DRIVER, op, value, NULL);
@@ -1143,7 +1143,7 @@ static int add_rule(struct udev_rules *rules, char *line,
                 if (startswith(key, "ATTR{")) {
                         attr = get_key_attribute(rules->udev, key + sizeof("ATTR")-1);
                         if (attr == NULL) {
-                                log_error("error parsing ATTR attribute\n");
+                                log_error("error parsing ATTR attribute");
                                 goto invalid;
                         }
                         if (op < OP_MATCH_MAX) {
@@ -1157,7 +1157,7 @@ static int add_rule(struct udev_rules *rules, char *line,
                 if (startswith(key, "SECLABEL{")) {
                         attr = get_key_attribute(rules->udev, key + sizeof("SECLABEL")-1);
                         if (!attr) {
-                                log_error("error parsing SECLABEL attribute\n");
+                                log_error("error parsing SECLABEL attribute");
                                 goto invalid;
                         }
 
@@ -1167,7 +1167,7 @@ static int add_rule(struct udev_rules *rules, char *line,
 
                 if (streq(key, "KERNELS")) {
                         if (op > OP_MATCH_MAX) {
-                                log_error("invalid KERNELS operation\n");
+                                log_error("invalid KERNELS operation");
                                 goto invalid;
                         }
                         rule_add_key(&rule_tmp, TK_M_KERNELS, op, value, NULL);
@@ -1176,7 +1176,7 @@ static int add_rule(struct udev_rules *rules, char *line,
 
                 if (streq(key, "SUBSYSTEMS")) {
                         if (op > OP_MATCH_MAX) {
-                                log_error("invalid SUBSYSTEMS operation\n");
+                                log_error("invalid SUBSYSTEMS operation");
                                 goto invalid;
                         }
                         rule_add_key(&rule_tmp, TK_M_SUBSYSTEMS, op, value, NULL);
@@ -1185,7 +1185,7 @@ static int add_rule(struct udev_rules *rules, char *line,
 
                 if (streq(key, "DRIVERS")) {
                         if (op > OP_MATCH_MAX) {
-                                log_error("invalid DRIVERS operation\n");
+                                log_error("invalid DRIVERS operation");
                                 goto invalid;
                         }
                         rule_add_key(&rule_tmp, TK_M_DRIVERS, op, value, NULL);
@@ -1194,12 +1194,12 @@ static int add_rule(struct udev_rules *rules, char *line,
 
                 if (startswith(key, "ATTRS{")) {
                         if (op > OP_MATCH_MAX) {
-                                log_error("invalid ATTRS operation\n");
+                                log_error("invalid ATTRS operation");
                                 goto invalid;
                         }
                         attr = get_key_attribute(rules->udev, key + sizeof("ATTRS")-1);
                         if (attr == NULL) {
-                                log_error("error parsing ATTRS attribute\n");
+                                log_error("error parsing ATTRS attribute");
                                 goto invalid;
                         }
                         if (startswith(attr, "device/"))
@@ -1214,7 +1214,7 @@ static int add_rule(struct udev_rules *rules, char *line,
 
                 if (streq(key, "TAGS")) {
                         if (op > OP_MATCH_MAX) {
-                                log_error("invalid TAGS operation\n");
+                                log_error("invalid TAGS operation");
                                 goto invalid;
                         }
                         rule_add_key(&rule_tmp, TK_M_TAGS, op, value, NULL);
@@ -1224,7 +1224,7 @@ static int add_rule(struct udev_rules *rules, char *line,
                 if (startswith(key, "ENV{")) {
                         attr = get_key_attribute(rules->udev, key + sizeof("ENV")-1);
                         if (attr == NULL) {
-                                log_error("error parsing ENV attribute\n");
+                                log_error("error parsing ENV attribute");
                                 goto invalid;
                         }
                         if (op < OP_MATCH_MAX) {
@@ -1249,7 +1249,7 @@ static int add_rule(struct udev_rules *rules, char *line,
                                 for (i = 0; i < ELEMENTSOF(blacklist); i++) {
                                         if (!streq(attr, blacklist[i]))
                                                 continue;
-                                        log_error("invalid ENV attribute, '%s' can not be set %s:%u\n", attr, filename, lineno);
+                                        log_error("invalid ENV attribute, '%s' can not be set %s:%u", attr, filename, lineno);
                                         goto invalid;
                                 }
                                 if (rule_add_key(&rule_tmp, TK_A_ENV, op, value, attr) != 0)
@@ -1273,7 +1273,7 @@ static int add_rule(struct udev_rules *rules, char *line,
 
                 if (streq(key, "RESULT")) {
                         if (op > OP_MATCH_MAX) {
-                                log_error("invalid RESULT operation\n");
+                                log_error("invalid RESULT operation");
                                 goto invalid;
                         }
                         rule_add_key(&rule_tmp, TK_M_RESULT, op, value, NULL);
@@ -1283,7 +1283,7 @@ static int add_rule(struct udev_rules *rules, char *line,
                 if (startswith(key, "IMPORT")) {
                         attr = get_key_attribute(rules->udev, key + sizeof("IMPORT")-1);
                         if (attr == NULL) {
-                                log_error("IMPORT{} type missing, ignoring IMPORT %s:%u\n", filename, lineno);
+                                log_error("IMPORT{} type missing, ignoring IMPORT %s:%u", filename, lineno);
                                 continue;
                         }
                         if (streq(attr, "program")) {
@@ -1293,7 +1293,7 @@ static int add_rule(struct udev_rules *rules, char *line,
 
                                         cmd = udev_builtin_lookup(value);
                                         if (cmd < UDEV_BUILTIN_MAX) {
-                                                log_debug("IMPORT found builtin '%s', replacing %s:%u\n",
+                                                log_debug("IMPORT found builtin '%s', replacing %s:%u",
                                                           value, filename, lineno);
                                                 rule_add_key(&rule_tmp, TK_M_IMPORT_BUILTIN, op, value, &cmd);
                                                 continue;
@@ -1306,7 +1306,7 @@ static int add_rule(struct udev_rules *rules, char *line,
                                 if (cmd < UDEV_BUILTIN_MAX)
                                         rule_add_key(&rule_tmp, TK_M_IMPORT_BUILTIN, op, value, &cmd);
                                 else
-                                        log_error("IMPORT{builtin}: '%s' unknown %s:%u\n", value, filename, lineno);
+                                        log_error("IMPORT{builtin}: '%s' unknown %s:%u", value, filename, lineno);
                         } else if (streq(attr, "file")) {
                                 rule_add_key(&rule_tmp, TK_M_IMPORT_FILE, op, value, NULL);
                         } else if (streq(attr, "db")) {
@@ -1316,7 +1316,7 @@ static int add_rule(struct udev_rules *rules, char *line,
                         } else if (streq(attr, "parent")) {
                                 rule_add_key(&rule_tmp, TK_M_IMPORT_PARENT, op, value, NULL);
                         } else
-                                log_error("IMPORT{} unknown type, ignoring IMPORT %s:%u\n", filename, lineno);
+                                log_error("IMPORT{} unknown type, ignoring IMPORT %s:%u", filename, lineno);
                         continue;
                 }
 
@@ -1324,7 +1324,7 @@ static int add_rule(struct udev_rules *rules, char *line,
                         mode_t mode = 0;
 
                         if (op > OP_MATCH_MAX) {
-                                log_error("invalid TEST operation\n");
+                                log_error("invalid TEST operation");
                                 goto invalid;
                         }
                         attr = get_key_attribute(rules->udev, key + sizeof("TEST")-1);
@@ -1348,13 +1348,13 @@ static int add_rule(struct udev_rules *rules, char *line,
                                 if (cmd < UDEV_BUILTIN_MAX)
                                         rule_add_key(&rule_tmp, TK_A_RUN_BUILTIN, op, value, &cmd);
                                 else
-                                        log_error("IMPORT{builtin}: '%s' unknown %s:%u\n", value, filename, lineno);
+                                        log_error("IMPORT{builtin}: '%s' unknown %s:%u", value, filename, lineno);
                         } else if (streq(attr, "program")) {
                                 enum udev_builtin_cmd cmd = UDEV_BUILTIN_MAX;
 
                                 rule_add_key(&rule_tmp, TK_A_RUN_PROGRAM, op, value, &cmd);
                         } else {
-                                log_error("RUN{} unknown type, ignoring RUN %s:%u\n", filename, lineno);
+                                log_error("RUN{} unknown type, ignoring RUN %s:%u", filename, lineno);
                         }
 
                         continue;
@@ -1504,7 +1504,7 @@ static int add_rule(struct udev_rules *rules, char *line,
                         continue;
                 }
 
-                log_error("unknown key '%s' in %s:%u\n", key, filename, lineno);
+                log_error("unknown key '%s' in %s:%u", key, filename, lineno);
                 goto invalid;
         }
 
@@ -1519,7 +1519,7 @@ static int add_rule(struct udev_rules *rules, char *line,
 
         return 0;
 invalid:
-        log_error("invalid rule '%s:%u'\n", filename, lineno);
+        log_error("invalid rule '%s:%u'", filename, lineno);
         return -1;
 }
 
@@ -1533,10 +1533,10 @@ static int parse_file(struct udev_rules *rules, const char *filename)
         unsigned int i;
 
         if (null_or_empty_path(filename)) {
-                log_debug("skip empty file: %s\n", filename);
+                log_debug("skip empty file: %s", filename);
                 return 0;
         }
-        log_debug("read rules file: %s\n", filename);
+        log_debug("read rules file: %s", filename);
 
         f = fopen(filename, "re");
         if (f == NULL)
@@ -1574,7 +1574,7 @@ static int parse_file(struct udev_rules *rules, const char *filename)
                 }
 
                 if (len+1 >= sizeof(line)) {
-                        log_error("line too long '%s':%u, ignored\n", filename, line_nr);
+                        log_error("line too long '%s':%u, ignored", filename, line_nr);
                         continue;
                 }
                 add_rule(rules, key, filename, filename_off, line_nr);
@@ -1598,7 +1598,7 @@ static int parse_file(struct udev_rules *rules, const char *filename)
                                 break;
                         }
                         if (rules->tokens[i].key.rule_goto == 0)
-                                log_error("GOTO '%s' has no matching label in: '%s'\n", label, filename);
+                                log_error("GOTO '%s' has no matching label in: '%s'", label, filename);
                 }
         }
         return 0;
@@ -1638,7 +1638,7 @@ struct udev_rules *udev_rules_new(struct udev *udev, int resolve_names)
                 return udev_rules_unref(rules);
         }
         if (!path_strv_canonicalize(rules->dirs)) {
-                log_error("failed to canonicalize config directories\n");
+                log_error("failed to canonicalize config directories");
                 return udev_rules_unref(rules);
         }
         strv_uniq(rules->dirs);
@@ -1647,7 +1647,7 @@ struct udev_rules *udev_rules_new(struct udev *udev, int resolve_names)
 
         r = conf_files_list_strv(&files, ".rules", NULL, (const char **)rules->dirs);
         if (r < 0) {
-                log_error("failed to enumerate rules files: %s\n", strerror(-r));
+                log_error("failed to enumerate rules files: %s", strerror(-r));
                 return udev_rules_unref(rules);
         }
 
@@ -1666,11 +1666,11 @@ struct udev_rules *udev_rules_new(struct udev *udev, int resolve_names)
         memset(&end_token, 0x00, sizeof(struct token));
         end_token.type = TK_END;
         add_token(rules, &end_token);
-        log_debug("rules contain %zu bytes tokens (%u * %zu bytes), %zu bytes strings\n",
+        log_debug("rules contain %zu bytes tokens (%u * %zu bytes), %zu bytes strings",
                   rules->token_max * sizeof(struct token), rules->token_max, sizeof(struct token), rules->strbuf->len);
 
         /* cleanup temporary strbuf data */
-        log_debug("%zu strings (%zu bytes), %zu de-duplicated (%zu bytes), %zu trie nodes used\n",
+        log_debug("%zu strings (%zu bytes), %zu de-duplicated (%zu bytes), %zu trie nodes used",
                   rules->strbuf->in_count, rules->strbuf->in_len,
                   rules->strbuf->dedup_count, rules->strbuf->dedup_len, rules->strbuf->nodes_count);
         strbuf_complete(rules->strbuf);
@@ -2035,7 +2035,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                         break;
                 }
                 case TK_M_EVENT_TIMEOUT:
-                        log_debug("OPTIONS event_timeout=%u\n", cur->key.event_timeout);
+                        log_debug("OPTIONS event_timeout=%u", cur->key.event_timeout);
                         event->timeout_usec = cur->key.event_timeout * 1000 * 1000;
                         break;
                 case TK_M_PROGRAM: {
@@ -2047,7 +2047,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                         event->program_result = NULL;
                         udev_event_apply_format(event, rules_str(rules, cur->key.value_off), program, sizeof(program));
                         envp = udev_device_get_properties_envp(event->dev);
-                        log_debug("PROGRAM '%s' %s:%u\n",
+                        log_debug("PROGRAM '%s' %s:%u",
                                   program,
                                   rules_str(rules, rule->rule.filename_off),
                                   rule->rule.filename_line);
@@ -2062,7 +2062,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                                 if (esc == ESCAPE_UNSET || esc == ESCAPE_REPLACE) {
                                         count = util_replace_chars(result, UDEV_ALLOWED_CHARS_INPUT);
                                         if (count > 0)
-                                                log_debug("%i character(s) replaced\n" , count);
+                                                log_debug("%i character(s) replaced" , count);
                                 }
                                 event->program_result = strdup(result);
                                 if (cur->key.op == OP_NOMATCH)
@@ -2083,7 +2083,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                         char import[UTIL_PATH_SIZE];
 
                         udev_event_apply_format(event, rules_str(rules, cur->key.value_off), import, sizeof(import));
-                        log_debug("IMPORT '%s' %s:%u\n",
+                        log_debug("IMPORT '%s' %s:%u",
                                   import,
                                   rules_str(rules, rule->rule.filename_off),
                                   rule->rule.filename_line);
@@ -2099,7 +2099,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                         if (udev_builtin_run_once(cur->key.builtin_cmd)) {
                                 /* check if we ran already */
                                 if (event->builtin_run & (1 << cur->key.builtin_cmd)) {
-                                        log_debug("IMPORT builtin skip '%s' %s:%u\n",
+                                        log_debug("IMPORT builtin skip '%s' %s:%u",
                                                   udev_builtin_name(cur->key.builtin_cmd),
                                                   rules_str(rules, rule->rule.filename_off),
                                                   rule->rule.filename_line);
@@ -2114,14 +2114,14 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                         }
 
                         udev_event_apply_format(event, rules_str(rules, cur->key.value_off), command, sizeof(command));
-                        log_debug("IMPORT builtin '%s' %s:%u\n",
+                        log_debug("IMPORT builtin '%s' %s:%u",
                                   udev_builtin_name(cur->key.builtin_cmd),
                                   rules_str(rules, rule->rule.filename_off),
                                   rule->rule.filename_line);
 
                         if (udev_builtin_run(event->dev, cur->key.builtin_cmd, command, false) != 0) {
                                 /* remember failure */
-                                log_debug("IMPORT builtin '%s' returned non-zero\n",
+                                log_debug("IMPORT builtin '%s' returned non-zero",
                                           udev_builtin_name(cur->key.builtin_cmd));
                                 event->builtin_ret |= (1 << cur->key.builtin_cmd);
                                 if (cur->key.op != OP_NOMATCH)
@@ -2229,7 +2229,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                         udev_event_apply_format(event, rules_str(rules, cur->key.value_off), owner, sizeof(owner));
                         event->owner_set = true;
                         event->uid = util_lookup_user(event->udev, owner);
-                        log_debug("OWNER %u %s:%u\n",
+                        log_debug("OWNER %u %s:%u",
                                   event->uid,
                                   rules_str(rules, rule->rule.filename_off),
                                   rule->rule.filename_line);
@@ -2245,7 +2245,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                         udev_event_apply_format(event, rules_str(rules, cur->key.value_off), group, sizeof(group));
                         event->group_set = true;
                         event->gid = util_lookup_group(event->udev, group);
-                        log_debug("GROUP %u %s:%u\n",
+                        log_debug("GROUP %u %s:%u",
                                   event->gid,
                                   rules_str(rules, rule->rule.filename_off),
                                   rule->rule.filename_line);
@@ -2261,14 +2261,14 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                         udev_event_apply_format(event, rules_str(rules, cur->key.value_off), mode_str, sizeof(mode_str));
                         mode = strtol(mode_str, &endptr, 8);
                         if (endptr[0] != '\0') {
-                                log_error("ignoring invalid mode '%s'\n", mode_str);
+                                log_error("ignoring invalid mode '%s'", mode_str);
                                 break;
                         }
                         if (cur->key.op == OP_ASSIGN_FINAL)
                                 event->mode_final = true;
                         event->mode_set = true;
                         event->mode = mode;
-                        log_debug("MODE %#o %s:%u\n",
+                        log_debug("MODE %#o %s:%u",
                                   event->mode,
                                   rules_str(rules, rule->rule.filename_off),
                                   rule->rule.filename_line);
@@ -2281,7 +2281,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                                 event->owner_final = true;
                         event->owner_set = true;
                         event->uid = cur->key.uid;
-                        log_debug("OWNER %u %s:%u\n",
+                        log_debug("OWNER %u %s:%u",
                                   event->uid,
                                   rules_str(rules, rule->rule.filename_off),
                                   rule->rule.filename_line);
@@ -2293,7 +2293,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                                 event->group_final = true;
                         event->group_set = true;
                         event->gid = cur->key.gid;
-                        log_debug("GROUP %u %s:%u\n",
+                        log_debug("GROUP %u %s:%u",
                                   event->gid,
                                   rules_str(rules, rule->rule.filename_off),
                                   rule->rule.filename_line);
@@ -2305,7 +2305,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                                 event->mode_final = true;
                         event->mode_set = true;
                         event->mode = cur->key.mode;
-                        log_debug("MODE %#o %s:%u\n",
+                        log_debug("MODE %#o %s:%u",
                                   event->mode,
                                   rules_str(rules, rule->rule.filename_off),
                                   rule->rule.filename_line);
@@ -2318,7 +2318,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                         if (cur->key.op == OP_ASSIGN || cur->key.op == OP_ASSIGN_FINAL)
                                 udev_list_cleanup(&event->seclabel_list);
                         udev_list_entry_add(&event->seclabel_list, name, label);
-                        log_debug("SECLABEL{%s}='%s' %s:%u\n",
+                        log_debug("SECLABEL{%s}='%s' %s:%u",
                                   name, label,
                                   rules_str(rules, rule->rule.filename_off),
                                   rule->rule.filename_line);
@@ -2368,7 +2368,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                                     (*p >= '0' && *p <= '9') ||
                                     *p == '-' || *p == '_')
                                         continue;
-                                log_error("ignoring invalid tag name '%s'\n", tag);
+                                log_error("ignoring invalid tag name '%s'", tag);
                                 break;
                         }
                         udev_device_add_tag(event->dev, tag);
@@ -2388,7 +2388,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                         if (esc == ESCAPE_UNSET || esc == ESCAPE_REPLACE) {
                                 count = util_replace_chars(name_str, "/");
                                 if (count > 0)
-                                        log_debug("%i character(s) replaced\n", count);
+                                        log_debug("%i character(s) replaced", count);
                         }
                         if (major(udev_device_get_devnum(event->dev)) &&
                             (!streq(name_str, udev_device_get_devnode(event->dev) + strlen("/dev/")))) {
@@ -2399,7 +2399,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                         }
                         free(event->name);
                         event->name = strdup(name_str);
-                        log_debug("NAME '%s' %s:%u\n",
+                        log_debug("NAME '%s' %s:%u",
                                   event->name,
                                   rules_str(rules, rule->rule.filename_off),
                                   rule->rule.filename_line);
@@ -2427,14 +2427,14 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                         else if (esc == ESCAPE_REPLACE)
                                 count = util_replace_chars(temp, "/");
                         if (count > 0)
-                                log_debug("%i character(s) replaced\n" , count);
+                                log_debug("%i character(s) replaced" , count);
                         pos = temp;
                         while (isspace(pos[0]))
                                 pos++;
                         next = strchr(pos, ' ');
                         while (next != NULL) {
                                 next[0] = '\0';
-                                log_debug("LINK '%s' %s:%u\n", pos,
+                                log_debug("LINK '%s' %s:%u", pos,
                                           rules_str(rules, rule->rule.filename_off), rule->rule.filename_line);
                                 strscpyl(filename, sizeof(filename), "/dev/", pos, NULL);
                                 udev_device_add_devlink(event->dev, filename);
@@ -2444,7 +2444,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                                 next = strchr(pos, ' ');
                         }
                         if (pos[0] != '\0') {
-                                log_debug("LINK '%s' %s:%u\n", pos,
+                                log_debug("LINK '%s' %s:%u", pos,
                                           rules_str(rules, rule->rule.filename_off), rule->rule.filename_line);
                                 strscpyl(filename, sizeof(filename), "/dev/", pos, NULL);
                                 udev_device_add_devlink(event->dev, filename);
@@ -2462,16 +2462,16 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                         attr_subst_subdir(attr, sizeof(attr));
 
                         udev_event_apply_format(event, rules_str(rules, cur->key.value_off), value, sizeof(value));
-                        log_debug("ATTR '%s' writing '%s' %s:%u\n", attr, value,
+                        log_debug("ATTR '%s' writing '%s' %s:%u", attr, value,
                                   rules_str(rules, rule->rule.filename_off),
                                   rule->rule.filename_line);
                         f = fopen(attr, "we");
                         if (f != NULL) {
                                 if (fprintf(f, "%s", value) <= 0)
-                                        log_error("error writing ATTR{%s}: %m\n", attr);
+                                        log_error("error writing ATTR{%s}: %m", attr);
                                 fclose(f);
                         } else {
-                                log_error("error opening ATTR{%s} for writing: %m\n", attr);
+                                log_error("error opening ATTR{%s} for writing: %m", attr);
                         }
                         break;
                 }
@@ -2481,7 +2481,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
 
                         if (cur->key.op == OP_ASSIGN || cur->key.op == OP_ASSIGN_FINAL)
                                 udev_list_cleanup(&event->run_list);
-                        log_debug("RUN '%s' %s:%u\n",
+                        log_debug("RUN '%s' %s:%u",
                                   rules_str(rules, cur->key.value_off),
                                   rules_str(rules, rule->rule.filename_off),
                                   rule->rule.filename_line);
@@ -2501,7 +2501,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                 case TK_M_PARENTS_MAX:
                 case TK_M_MAX:
                 case TK_UNSET:
-                        log_error("wrong type %u\n", cur->type);
+                        log_error("wrong type %u", cur->type);
                         goto nomatch;
                 }
 
@@ -2586,7 +2586,7 @@ int udev_rules_apply_static_dev_perms(struct udev_rules *rules)
                                         strscpyl(tags_dir, sizeof(tags_dir), "/run/udev/static_node-tags/", *t, "/", NULL);
                                         r = mkdir_p(tags_dir, 0755);
                                         if (r < 0) {
-                                                log_error("failed to create %s: %s\n", tags_dir, strerror(-r));
+                                                log_error("failed to create %s: %s", tags_dir, strerror(-r));
                                                 return r;
                                         }
 
@@ -2595,7 +2595,7 @@ int udev_rules_apply_static_dev_perms(struct udev_rules *rules)
                                         strscpyl(tag_symlink, sizeof(tag_symlink), tags_dir, unescaped_filename, NULL);
                                         r = symlink(device_node, tag_symlink);
                                         if (r < 0 && errno != EEXIST) {
-                                                log_error("failed to create symlink %s -> %s: %m\n", tag_symlink, device_node);
+                                                log_error("failed to create symlink %s -> %s: %m", tag_symlink, device_node);
                                                 return -errno;
                                         } else
                                                 r = 0;
@@ -2615,19 +2615,19 @@ int udev_rules_apply_static_dev_perms(struct udev_rules *rules)
                         if (mode != (stats.st_mode & 01777)) {
                                 r = chmod(device_node, mode);
                                 if (r < 0) {
-                                        log_error("failed to chmod '%s' %#o\n", device_node, mode);
+                                        log_error("failed to chmod '%s' %#o", device_node, mode);
                                         return -errno;
                                 } else
-                                        log_debug("chmod '%s' %#o\n", device_node, mode);
+                                        log_debug("chmod '%s' %#o", device_node, mode);
                         }
 
                         if ((uid != 0 && uid != stats.st_uid) || (gid != 0 && gid != stats.st_gid)) {
                                 r = chown(device_node, uid, gid);
                                 if (r < 0) {
-                                        log_error("failed to chown '%s' %u %u \n", device_node, uid, gid);
+                                        log_error("failed to chown '%s' %u %u ", device_node, uid, gid);
                                         return -errno;
                                 } else
-                                        log_debug("chown '%s' %u %u\n", device_node, uid, gid);
+                                        log_debug("chown '%s' %u %u", device_node, uid, gid);
                         }
 
                         utimensat(AT_FDCWD, device_node, NULL, 0);
diff --git a/src/udev/udev-watch.c b/src/udev/udev-watch.c
index 9b694c66667..cbe0c37a4fe 100644
--- a/src/udev/udev-watch.c
+++ b/src/udev/udev-watch.c
@@ -40,7 +40,7 @@ int udev_watch_init(struct udev *udev)
 {
         inotify_fd = inotify_init1(IN_CLOEXEC);
         if (inotify_fd < 0)
-                log_error("inotify_init failed: %m\n");
+                log_error("inotify_init failed: %m");
         return inotify_fd;
 }
 
@@ -79,7 +79,7 @@ void udev_watch_restore(struct udev *udev)
                         if (dev == NULL)
                                 goto unlink;
 
-                        log_debug("restoring old watch on '%s'\n", udev_device_get_devnode(dev));
+                        log_debug("restoring old watch on '%s'", udev_device_get_devnode(dev));
                         udev_watch_begin(udev, dev);
                         udev_device_unref(dev);
 unlink:
@@ -103,10 +103,10 @@ void udev_watch_begin(struct udev *udev, struct udev_device *dev)
         if (inotify_fd < 0)
                 return;
 
-        log_debug("adding watch on '%s'\n", udev_device_get_devnode(dev));
+        log_debug("adding watch on '%s'", udev_device_get_devnode(dev));
         wd = inotify_add_watch(inotify_fd, udev_device_get_devnode(dev), IN_CLOSE_WRITE);
         if (wd < 0) {
-                log_error("inotify_add_watch(%d, %s, %o) failed: %m\n",
+                log_error("inotify_add_watch(%d, %s, %o) failed: %m",
                     inotify_fd, udev_device_get_devnode(dev), IN_CLOSE_WRITE);
                 return;
         }
@@ -133,7 +133,7 @@ void udev_watch_end(struct udev *udev, struct udev_device *dev)
         if (wd < 0)
                 return;
 
-        log_debug("removing watch on '%s'\n", udev_device_get_devnode(dev));
+        log_debug("removing watch on '%s'", udev_device_get_devnode(dev));
         inotify_rm_watch(inotify_fd, wd);
 
         snprintf(filename, sizeof(filename), "/run/udev/watch/%d", wd);
diff --git a/src/udev/udevadm-hwdb.c b/src/udev/udevadm-hwdb.c
index 61a3b081994..1f7f0c72904 100644
--- a/src/udev/udevadm-hwdb.c
+++ b/src/udev/udevadm-hwdb.c
@@ -389,17 +389,17 @@ static int trie_store(struct trie *trie, const char *filename) {
                 goto out;
         }
 
-        log_debug("=== trie on-disk ===\n");
-        log_debug("size:             %8llu bytes\n", (unsigned long long)size);
-        log_debug("header:           %8zu bytes\n", sizeof(struct trie_header_f));
-        log_debug("nodes:            %8llu bytes (%8llu)\n",
+        log_debug("=== trie on-disk ===");
+        log_debug("size:             %8llu bytes", (unsigned long long)size);
+        log_debug("header:           %8zu bytes", sizeof(struct trie_header_f));
+        log_debug("nodes:            %8llu bytes (%8llu)",
                   (unsigned long long)t.nodes_count * sizeof(struct trie_node_f), (unsigned long long)t.nodes_count);
-        log_debug("child pointers:   %8llu bytes (%8llu)\n",
+        log_debug("child pointers:   %8llu bytes (%8llu)",
                   (unsigned long long)t.children_count * sizeof(struct trie_child_entry_f), (unsigned long long)t.children_count);
-        log_debug("value pointers:   %8llu bytes (%8llu)\n",
+        log_debug("value pointers:   %8llu bytes (%8llu)",
                   (unsigned long long)t.values_count * sizeof(struct trie_value_entry_f), (unsigned long long)t.values_count);
-        log_debug("string store:     %8llu bytes\n", (unsigned long long)trie->strings->len);
-        log_debug("strings start:    %8llu\n", (unsigned long long) t.strings_off);
+        log_debug("string store:     %8llu bytes", (unsigned long long)trie->strings->len);
+        log_debug("strings start:    %8llu", (unsigned long long) t.strings_off);
 out:
         free(filename_tmp);
         return err;
@@ -412,7 +412,7 @@ static int insert_data(struct trie *trie, struct udev_list *match_list,
 
         value = strchr(line, '=');
         if (!value) {
-                log_error("Error, key/value pair expected but got '%s' in '%s':\n", line, filename);
+                log_error("Error, key/value pair expected but got '%s' in '%s':", line, filename);
                 return -EINVAL;
         }
 
@@ -420,7 +420,7 @@ static int insert_data(struct trie *trie, struct udev_list *match_list,
         value++;
 
         if (line[0] == '\0' || value[0] == '\0') {
-                log_error("Error, empty key or value '%s' in '%s':\n", line, filename);
+                log_error("Error, empty key or value '%s' in '%s':", line, filename);
                 return -EINVAL;
         }
 
@@ -471,7 +471,7 @@ static int import_file(struct udev *udev, struct trie *trie, const char *filenam
                                 break;
 
                         if (line[0] == ' ') {
-                                log_error("Error, MATCH expected but got '%s' in '%s':\n", line, filename);
+                                log_error("Error, MATCH expected but got '%s' in '%s':", line, filename);
                                 break;
                         }
 
@@ -482,7 +482,7 @@ static int import_file(struct udev *udev, struct trie *trie, const char *filenam
 
                 case HW_MATCH:
                         if (len == 0) {
-                                log_error("Error, DATA expected but got empty line in '%s':\n", filename);
+                                log_error("Error, DATA expected but got empty line in '%s':", filename);
                                 state = HW_NONE;
                                 udev_list_cleanup(&match_list);
                                 break;
@@ -508,7 +508,7 @@ static int import_file(struct udev *udev, struct trie *trie, const char *filenam
                         }
 
                         if (line[0] != ' ') {
-                                log_error("Error, DATA expected but got '%s' in '%s':\n", line, filename);
+                                log_error("Error, DATA expected but got '%s' in '%s':", line, filename);
                                 state = HW_NONE;
                                 udev_list_cleanup(&match_list);
                                 break;
@@ -599,7 +599,7 @@ static int adm_hwdb(struct udev *udev, int argc, char *argv[]) {
 
                 err = conf_files_list_strv(&files, ".hwdb", root, conf_file_dirs);
                 if (err < 0) {
-                        log_error("failed to enumerate hwdb files: %s\n", strerror(-err));
+                        log_error("failed to enumerate hwdb files: %s", strerror(-err));
                         rc = EXIT_FAILURE;
                         goto out;
                 }
@@ -611,18 +611,18 @@ static int adm_hwdb(struct udev *udev, int argc, char *argv[]) {
 
                 strbuf_complete(trie->strings);
 
-                log_debug("=== trie in-memory ===\n");
-                log_debug("nodes:            %8zu bytes (%8zu)\n",
+                log_debug("=== trie in-memory ===");
+                log_debug("nodes:            %8zu bytes (%8zu)",
                           trie->nodes_count * sizeof(struct trie_node), trie->nodes_count);
-                log_debug("children arrays:  %8zu bytes (%8zu)\n",
+                log_debug("children arrays:  %8zu bytes (%8zu)",
                           trie->children_count * sizeof(struct trie_child_entry), trie->children_count);
-                log_debug("values arrays:    %8zu bytes (%8zu)\n",
+                log_debug("values arrays:    %8zu bytes (%8zu)",
                           trie->values_count * sizeof(struct trie_value_entry), trie->values_count);
-                log_debug("strings:          %8zu bytes\n",
+                log_debug("strings:          %8zu bytes",
                           trie->strings->len);
-                log_debug("strings incoming: %8zu bytes (%8zu)\n",
+                log_debug("strings incoming: %8zu bytes (%8zu)",
                           trie->strings->in_len, trie->strings->in_count);
-                log_debug("strings dedup'ed: %8zu bytes (%8zu)\n",
+                log_debug("strings dedup'ed: %8zu bytes (%8zu)",
                           trie->strings->dedup_len, trie->strings->dedup_count);
 
                 if (asprintf(&hwdb_bin, "%s/etc/udev/hwdb.bin", root) < 0) {
diff --git a/src/udev/udevadm-monitor.c b/src/udev/udevadm-monitor.c
index 94e76da6fd2..6022e8db82f 100644
--- a/src/udev/udevadm-monitor.c
+++ b/src/udev/udevadm-monitor.c
@@ -158,7 +158,7 @@ static int adm_monitor(struct udev *udev, int argc, char *argv[])
 
         fd_ep = epoll_create1(EPOLL_CLOEXEC);
         if (fd_ep < 0) {
-                log_error("error creating epoll fd: %m\n");
+                log_error("error creating epoll fd: %m");
                 return 1;
         }
 
@@ -198,7 +198,7 @@ static int adm_monitor(struct udev *udev, int argc, char *argv[])
                 ep_udev.events = EPOLLIN;
                 ep_udev.data.fd = fd_udev;
                 if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_udev, &ep_udev) < 0) {
-                        log_error("fail to add fd to epoll: %m\n");
+                        log_error("fail to add fd to epoll: %m");
                         return 2;
                 }
 
@@ -232,7 +232,7 @@ static int adm_monitor(struct udev *udev, int argc, char *argv[])
                 ep_kernel.events = EPOLLIN;
                 ep_kernel.data.fd = fd_kernel;
                 if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_kernel, &ep_kernel) < 0) {
-                        log_error("fail to add fd to epoll: %m\n");
+                        log_error("fail to add fd to epoll: %m");
                         return 5;
                 }
 
diff --git a/src/udev/udevadm-settle.c b/src/udev/udevadm-settle.c
index 5da0be50d77..b026155660e 100644
--- a/src/udev/udevadm-settle.c
+++ b/src/udev/udevadm-settle.c
@@ -122,20 +122,20 @@ static int adm_settle(struct udev *udev, int argc, char *argv[])
                         end = udev_queue_get_kernel_seqnum(udev_queue);
 
                 if (start > end) {
-                        log_error("seq-start larger than seq-end, ignoring\n");
+                        log_error("seq-start larger than seq-end, ignoring");
                         start = 0;
                         end = 0;
                 }
 
                 if (start > kernel_seq || end > kernel_seq) {
-                        log_error("seq-start or seq-end larger than current kernel value, ignoring\n");
+                        log_error("seq-start or seq-end larger than current kernel value, ignoring");
                         start = 0;
                         end = 0;
                 }
-                log_debug("start=%llu end=%llu current=%llu\n", (unsigned long long)start, (unsigned long long)end, kernel_seq);
+                log_debug("start=%llu end=%llu current=%llu", (unsigned long long)start, (unsigned long long)end, kernel_seq);
         } else {
                 if (end > 0) {
-                        log_error("seq-end needs seq-start parameter, ignoring\n");
+                        log_error("seq-end needs seq-start parameter, ignoring");
                         end = 0;
                 }
         }
@@ -147,7 +147,7 @@ static int adm_settle(struct udev *udev, int argc, char *argv[])
                 uctrl = udev_ctrl_new(udev);
                 if (uctrl != NULL) {
                         if (udev_ctrl_send_ping(uctrl, timeout) < 0) {
-                                log_debug("no connection to daemon\n");
+                                log_debug("no connection to daemon");
                                 udev_ctrl_unref(uctrl);
                                 rc = EXIT_SUCCESS;
                                 goto out;
@@ -159,10 +159,10 @@ static int adm_settle(struct udev *udev, int argc, char *argv[])
         pfd[0].events = POLLIN;
         pfd[0].fd = inotify_init1(IN_CLOEXEC);
         if (pfd[0].fd < 0) {
-                log_error("inotify_init failed: %m\n");
+                log_error("inotify_init failed: %m");
         } else {
                 if (inotify_add_watch(pfd[0].fd, "/run/udev" , IN_MOVED_TO) < 0) {
-                        log_error("watching /run/udev failed\n");
+                        log_error("watching /run/udev failed");
                         close(pfd[0].fd);
                         pfd[0].fd = -1;
                 }
@@ -215,7 +215,7 @@ static int adm_settle(struct udev *udev, int argc, char *argv[])
                                 struct udev_list_entry *list_entry;
 
                                 if (!quiet && udev_queue_get_queued_list_entry(udev_queue) != NULL) {
-                                        log_debug("timeout waiting for udev queue\n");
+                                        log_debug("timeout waiting for udev queue");
                                         printf("\nudevadm settle - timeout of %i seconds reached, the event queue contains:\n", timeout);
                                         udev_list_entry_foreach(list_entry, udev_queue_get_queued_list_entry(udev_queue))
                                                 printf("  %s (%s)\n",
diff --git a/src/udev/udevadm-test.c b/src/udev/udevadm-test.c
index a9f9cafc0b0..6cd311b27db 100644
--- a/src/udev/udevadm-test.c
+++ b/src/udev/udevadm-test.c
@@ -53,7 +53,7 @@ static int adm_test(struct udev *udev, int argc, char *argv[])
                 {}
         };
 
-        log_debug("version %s\n", VERSION);
+        log_debug("version %s", VERSION);
 
         while((c = getopt_long(argc, argv, "a:N:h", options, NULL)) >= 0)
                 switch (c) {
@@ -69,7 +69,7 @@ static int adm_test(struct udev *udev, int argc, char *argv[])
                                 resolve_names = -1;
                         } else {
                                 fprintf(stderr, "resolve-names must be early, late or never\n");
-                                log_error("resolve-names must be early, late or never\n");
+                                log_error("resolve-names must be early, late or never");
                                 exit(EXIT_FAILURE);
                         }
                         break;
diff --git a/src/udev/udevadm-trigger.c b/src/udev/udevadm-trigger.c
index a898ef99e43..087ee4bfae5 100644
--- a/src/udev/udevadm-trigger.c
+++ b/src/udev/udevadm-trigger.c
@@ -55,7 +55,7 @@ static void exec_list(struct udev_enumerate *udev_enumerate, const char *action)
                 if (fd < 0)
                         continue;
                 if (write(fd, action, strlen(action)) < 0)
-                        log_debug("error writing '%s' to '%s': %m\n", action, filename);
+                        log_debug("error writing '%s' to '%s': %m", action, filename);
                 close(fd);
         }
 }
@@ -141,13 +141,13 @@ static int adm_trigger(struct udev *udev, int argc, char *argv[])
                         else if (streq(optarg, "subsystems"))
                                 device_type = TYPE_SUBSYSTEMS;
                         else {
-                                log_error("unknown type --type=%s\n", optarg);
+                                log_error("unknown type --type=%s", optarg);
                                 return 2;
                         }
                         break;
                 case 'c':
                         if (!nulstr_contains("add\0" "remove\0" "change\0", optarg)) {
-                                log_error("unknown action '%s'\n", optarg);
+                                log_error("unknown action '%s'", optarg);
                                 return 2;
                         } else
                                 action = optarg;
@@ -189,7 +189,7 @@ static int adm_trigger(struct udev *udev, int argc, char *argv[])
                         util_remove_trailing_chars(path, '/');
                         dev = udev_device_new_from_syspath(udev, path);
                         if (dev == NULL) {
-                                log_error("unable to open the device '%s'\n", optarg);
+                                log_error("unable to open the device '%s'", optarg);
                                 return 2;
                         }
                         udev_enumerate_add_match_parent(udev_enumerate, dev);
diff --git a/src/udev/udevadm.c b/src/udev/udevadm.c
index e14b3ca27c0..dbca369011e 100644
--- a/src/udev/udevadm.c
+++ b/src/udev/udevadm.c
@@ -79,7 +79,7 @@ static int run_command(struct udev *udev, const struct udevadm_cmd *cmd, int arg
 {
         if (cmd->debug)
                 log_set_max_level(LOG_DEBUG);
-        log_debug("calling: %s\n", cmd->name);
+        log_debug("calling: %s", cmd->name);
         return cmd->cmd(udev, argc, argv);
 }
 
diff --git a/src/udev/udevd.c b/src/udev/udevd.c
index 572bca881d4..d7c172cc75a 100644
--- a/src/udev/udevd.c
+++ b/src/udev/udevd.c
@@ -145,7 +145,7 @@ static void event_queue_delete(struct event *event, bool export)
 
         if (export) {
                 udev_queue_export_device_finished(udev_queue_export, event->dev);
-                log_debug("seq %llu done with %i\n", udev_device_get_seqnum(event->dev), event->exitcode);
+                log_debug("seq %llu done with %i", udev_device_get_seqnum(event->dev), event->exitcode);
         }
         udev_device_unref(event->dev);
         free(event);
@@ -170,7 +170,7 @@ static void worker_unref(struct worker *worker)
         worker->refcount--;
         if (worker->refcount > 0)
                 return;
-        log_debug("worker [%u] cleaned up\n", worker->pid);
+        log_debug("worker [%u] cleaned up", worker->pid);
         worker_cleanup(worker);
 }
 
@@ -235,14 +235,14 @@ static void worker_new(struct event *event)
                 sigfillset(&mask);
                 fd_signal = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC);
                 if (fd_signal < 0) {
-                        log_error("error creating signalfd %m\n");
+                        log_error("error creating signalfd %m");
                         rc = 2;
                         goto out;
                 }
 
                 fd_ep = epoll_create1(EPOLL_CLOEXEC);
                 if (fd_ep < 0) {
-                        log_error("error creating epoll fd: %m\n");
+                        log_error("error creating epoll fd: %m");
                         rc = 3;
                         goto out;
                 }
@@ -258,7 +258,7 @@ static void worker_new(struct event *event)
 
                 if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_signal, &ep_signal) < 0 ||
                     epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_monitor, &ep_monitor) < 0) {
-                        log_error("fail to add fds to epoll: %m\n");
+                        log_error("fail to add fds to epoll: %m");
                         rc = 4;
                         goto out;
                 }
@@ -274,7 +274,7 @@ static void worker_new(struct event *event)
                         struct worker_message msg;
                         int err;
 
-                        log_debug("seq %llu running\n", udev_device_get_seqnum(dev));
+                        log_debug("seq %llu running", udev_device_get_seqnum(dev));
                         udev_event = udev_event_new(dev);
                         if (udev_event == NULL) {
                                 rc = 5;
@@ -309,7 +309,7 @@ static void worker_new(struct event *event)
                         msg.pid = getpid();
                         send(worker_watch[WRITE_END], &msg, sizeof(struct worker_message), 0);
 
-                        log_debug("seq %llu processed with %i\n", udev_device_get_seqnum(dev), err);
+                        log_debug("seq %llu processed with %i", udev_device_get_seqnum(dev), err);
 
                         udev_device_unref(dev);
                         dev = NULL;
@@ -331,7 +331,7 @@ static void worker_new(struct event *event)
                                 if (fdcount < 0) {
                                         if (errno == EINTR)
                                                 continue;
-                                        log_error("failed to poll: %m\n");
+                                        log_error("failed to poll: %m");
                                         goto out;
                                 }
 
@@ -373,7 +373,7 @@ out:
                 udev_monitor_unref(worker_monitor);
                 event->state = EVENT_QUEUED;
                 free(worker);
-                log_error("fork of child failed: %m\n");
+                log_error("fork of child failed: %m");
                 break;
         default:
                 /* close monitor, but keep address around */
@@ -386,7 +386,7 @@ out:
                 event->state = EVENT_RUNNING;
                 udev_list_node_append(&worker->node, &worker_list);
                 children++;
-                log_debug("seq %llu forked new worker [%u]\n", udev_device_get_seqnum(event->dev), pid);
+                log_debug("seq %llu forked new worker [%u]", udev_device_get_seqnum(event->dev), pid);
                 break;
         }
 }
@@ -404,7 +404,7 @@ static void event_run(struct event *event)
 
                 count = udev_monitor_send_device(monitor, worker->monitor, event->dev);
                 if (count < 0) {
-                        log_error("worker [%u] did not accept message %zi (%m), kill it\n", worker->pid, count);
+                        log_error("worker [%u] did not accept message %zi (%m), kill it", worker->pid, count);
                         kill(worker->pid, SIGKILL);
                         worker->state = WORKER_KILLED;
                         continue;
@@ -419,7 +419,7 @@ static void event_run(struct event *event)
 
         if (children >= children_max) {
                 if (children_max > 1)
-                        log_debug("maximum number (%i) of children reached\n", children);
+                        log_debug("maximum number (%i) of children reached", children);
                 return;
         }
 
@@ -450,7 +450,7 @@ static int event_queue_insert(struct udev_device *dev)
 #endif
 
         udev_queue_export_device_queued(udev_queue_export, dev);
-        log_debug("seq %llu queued, '%s' '%s'\n", udev_device_get_seqnum(dev),
+        log_debug("seq %llu queued, '%s' '%s'", udev_device_get_seqnum(dev),
              udev_device_get_action(dev), udev_device_get_subsystem(dev));
 
         event->state = EVENT_QUEUED;
@@ -635,24 +635,24 @@ static struct udev_ctrl_connection *handle_ctrl_msg(struct udev_ctrl *uctrl)
 
         i = udev_ctrl_get_set_log_level(ctrl_msg);
         if (i >= 0) {
-                log_debug("udevd message (SET_LOG_PRIORITY) received, log_priority=%i\n", i);
+                log_debug("udevd message (SET_LOG_PRIORITY) received, log_priority=%i", i);
                 log_set_max_level(i);
                 udev_set_log_priority(udev, i);
                 worker_kill(udev);
         }
 
         if (udev_ctrl_get_stop_exec_queue(ctrl_msg) > 0) {
-                log_debug("udevd message (STOP_EXEC_QUEUE) received\n");
+                log_debug("udevd message (STOP_EXEC_QUEUE) received");
                 stop_exec_queue = true;
         }
 
         if (udev_ctrl_get_start_exec_queue(ctrl_msg) > 0) {
-                log_debug("udevd message (START_EXEC_QUEUE) received\n");
+                log_debug("udevd message (START_EXEC_QUEUE) received");
                 stop_exec_queue = false;
         }
 
         if (udev_ctrl_get_reload(ctrl_msg) > 0) {
-                log_debug("udevd message (RELOAD) received\n");
+                log_debug("udevd message (RELOAD) received");
                 reload = true;
         }
 
@@ -669,14 +669,14 @@ static struct udev_ctrl_connection *handle_ctrl_msg(struct udev_ctrl *uctrl)
                                 val[0] = '\0';
                                 val = &val[1];
                                 if (val[0] == '\0') {
-                                        log_debug("udevd message (ENV) received, unset '%s'\n", key);
+                                        log_debug("udevd message (ENV) received, unset '%s'", key);
                                         udev_add_property(udev, key, NULL);
                                 } else {
-                                        log_debug("udevd message (ENV) received, set '%s=%s'\n", key, val);
+                                        log_debug("udevd message (ENV) received, set '%s=%s'", key, val);
                                         udev_add_property(udev, key, val);
                                 }
                         } else {
-                                log_error("wrong key format '%s'\n", key);
+                                log_error("wrong key format '%s'", key);
                         }
                         free(key);
                 }
@@ -685,15 +685,15 @@ static struct udev_ctrl_connection *handle_ctrl_msg(struct udev_ctrl *uctrl)
 
         i = udev_ctrl_get_set_children_max(ctrl_msg);
         if (i >= 0) {
-                log_debug("udevd message (SET_MAX_CHILDREN) received, children_max=%i\n", i);
+                log_debug("udevd message (SET_MAX_CHILDREN) received, children_max=%i", i);
                 children_max = i;
         }
 
         if (udev_ctrl_get_ping(ctrl_msg) > 0)
-                log_debug("udevd message (SYNC) received\n");
+                log_debug("udevd message (SYNC) received");
 
         if (udev_ctrl_get_exit(ctrl_msg) > 0) {
-                log_debug("udevd message (EXIT) received\n");
+                log_debug("udevd message (EXIT) received");
                 udev_exit = true;
                 /* keep reference to block the client until we exit */
                 udev_ctrl_connection_ref(ctrl_conn);
@@ -715,7 +715,7 @@ static int handle_inotify(struct udev *udev)
 
         buf = malloc(nbytes);
         if (buf == NULL) {
-                log_error("error getting buffer for inotify\n");
+                log_error("error getting buffer for inotify");
                 return -1;
         }
 
@@ -727,17 +727,17 @@ static int handle_inotify(struct udev *udev)
                 ev = (struct inotify_event *)(buf + pos);
                 dev = udev_watch_lookup(udev, ev->wd);
                 if (dev != NULL) {
-                        log_debug("inotify event: %x for %s\n", ev->mask, udev_device_get_devnode(dev));
+                        log_debug("inotify event: %x for %s", ev->mask, udev_device_get_devnode(dev));
                         if (ev->mask & IN_CLOSE_WRITE) {
                                 char filename[UTIL_PATH_SIZE];
                                 int fd;
 
-                                log_debug("device %s closed, synthesising 'change'\n", udev_device_get_devnode(dev));
+                                log_debug("device %s closed, synthesising 'change'", udev_device_get_devnode(dev));
                                 strscpyl(filename, sizeof(filename), udev_device_get_syspath(dev), "/uevent", NULL);
                                 fd = open(filename, O_WRONLY);
                                 if (fd >= 0) {
                                         if (write(fd, "change", 6) < 0)
-                                                log_debug("error writing uevent: %m\n");
+                                                log_debug("error writing uevent: %m");
                                         close(fd);
                                 }
                         }
@@ -775,26 +775,26 @@ static void handle_signal(struct udev *udev, int signo)
 
                                 if (worker->pid != pid)
                                         continue;
-                                log_debug("worker [%u] exit\n", pid);
+                                log_debug("worker [%u] exit", pid);
 
                                 if (WIFEXITED(status)) {
                                         if (WEXITSTATUS(status) != 0)
-                                                log_error("worker [%u] exit with return code %i\n",
+                                                log_error("worker [%u] exit with return code %i",
                                                           pid, WEXITSTATUS(status));
                                 } else if (WIFSIGNALED(status)) {
-                                        log_error("worker [%u] terminated by signal %i (%s)\n",
+                                        log_error("worker [%u] terminated by signal %i (%s)",
                                                   pid, WTERMSIG(status), strsignal(WTERMSIG(status)));
                                 } else if (WIFSTOPPED(status)) {
-                                        log_error("worker [%u] stopped\n", pid);
+                                        log_error("worker [%u] stopped", pid);
                                 } else if (WIFCONTINUED(status)) {
-                                        log_error("worker [%u] continued\n", pid);
+                                        log_error("worker [%u] continued", pid);
                                 } else {
-                                        log_error("worker [%u] exit with status 0x%04x\n", pid, status);
+                                        log_error("worker [%u] exit with status 0x%04x", pid, status);
                                 }
 
                                 if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) {
                                         if (worker->event) {
-                                                log_error("worker [%u] failed while handling '%s'\n",
+                                                log_error("worker [%u] failed while handling '%s'",
                                                           pid, worker->event->devpath);
                                                 worker->event->exitcode = -32;
                                                 event_queue_delete(worker->event, true);
@@ -843,7 +843,7 @@ static int systemd_fds(struct udev *udev, int *rctrl, int *rnetlink)
         if (ctrl < 0 || netlink < 0)
                 return -1;
 
-        log_debug("ctrl=%i netlink=%i\n", ctrl, netlink);
+        log_debug("ctrl=%i netlink=%i", ctrl, netlink);
         *rctrl = ctrl;
         *rnetlink = netlink;
         return 0;
@@ -931,7 +931,7 @@ int main(int argc, char *argv[])
         udev_set_log_fn(udev, udev_main_log);
         log_set_max_level(udev_get_log_priority(udev));
 
-        log_debug("version %s\n", VERSION);
+        log_debug("version %s", VERSION);
         label_init("/dev");
 
         for (;;) {
@@ -965,7 +965,7 @@ int main(int argc, char *argv[])
                                 resolve_names = -1;
                         } else {
                                 fprintf(stderr, "resolve-names must be early, late or never\n");
-                                log_error("resolve-names must be early, late or never\n");
+                                log_error("resolve-names must be early, late or never");
                                 goto exit;
                         }
                         break;
@@ -992,7 +992,7 @@ int main(int argc, char *argv[])
 
         if (getuid() != 0) {
                 fprintf(stderr, "root privileges required\n");
-                log_error("root privileges required\n");
+                log_error("root privileges required");
                 goto exit;
         }
 
@@ -1018,7 +1018,7 @@ int main(int argc, char *argv[])
                                 close(fd);
                 } else {
                         fprintf(stderr, "cannot open /dev/null\n");
-                        log_error("cannot open /dev/null\n");
+                        log_error("cannot open /dev/null");
                 }
         }
 
@@ -1033,7 +1033,7 @@ int main(int argc, char *argv[])
 
                 monitor = udev_monitor_new_from_netlink_fd(udev, "kernel", fd_netlink);
                 if (monitor == NULL) {
-                        log_error("error taking over netlink socket\n");
+                        log_error("error taking over netlink socket");
                         rc = 3;
                         goto exit;
                 }
@@ -1055,7 +1055,7 @@ int main(int argc, char *argv[])
                 monitor = udev_monitor_new_from_netlink(udev, "kernel");
                 if (monitor == NULL) {
                         fprintf(stderr, "error initializing netlink socket\n");
-                        log_error("error initializing netlink socket\n");
+                        log_error("error initializing netlink socket");
                         rc = 3;
                         goto exit;
                 }
@@ -1064,14 +1064,14 @@ int main(int argc, char *argv[])
 
         if (udev_monitor_enable_receiving(monitor) < 0) {
                 fprintf(stderr, "error binding netlink socket\n");
-                log_error("error binding netlink socket\n");
+                log_error("error binding netlink socket");
                 rc = 3;
                 goto exit;
         }
 
         if (udev_ctrl_enable_receiving(udev_ctrl) < 0) {
                 fprintf(stderr, "error binding udev control socket\n");
-                log_error("error binding udev control socket\n");
+                log_error("error binding udev control socket");
                 rc = 1;
                 goto exit;
         }
@@ -1081,7 +1081,7 @@ int main(int argc, char *argv[])
         /* create queue file before signalling 'ready', to make sure we block 'settle' */
         udev_queue_export = udev_queue_export_new(udev);
         if (udev_queue_export == NULL) {
-                log_error("error creating queue file\n");
+                log_error("error creating queue file");
                 goto exit;
         }
 
@@ -1093,7 +1093,7 @@ int main(int argc, char *argv[])
                 case 0:
                         break;
                 case -1:
-                        log_error("fork of daemon failed: %m\n");
+                        log_error("fork of daemon failed: %m");
                         rc = 4;
                         goto exit;
                 default:
@@ -1125,7 +1125,7 @@ int main(int argc, char *argv[])
         fd_inotify = udev_watch_init(udev);
         if (fd_inotify < 0) {
                 fprintf(stderr, "error initializing inotify\n");
-                log_error("error initializing inotify\n");
+                log_error("error initializing inotify");
                 rc = 4;
                 goto exit;
         }
@@ -1137,7 +1137,7 @@ int main(int argc, char *argv[])
         fd_signal = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC);
         if (fd_signal < 0) {
                 fprintf(stderr, "error creating signalfd\n");
-                log_error("error creating signalfd\n");
+                log_error("error creating signalfd");
                 rc = 5;
                 goto exit;
         }
@@ -1145,7 +1145,7 @@ int main(int argc, char *argv[])
         /* unnamed socket from workers to the main daemon */
         if (socketpair(AF_LOCAL, SOCK_DGRAM|SOCK_CLOEXEC, 0, worker_watch) < 0) {
                 fprintf(stderr, "error creating socketpair\n");
-                log_error("error creating socketpair\n");
+                log_error("error creating socketpair");
                 rc = 6;
                 goto exit;
         }
@@ -1155,7 +1155,7 @@ int main(int argc, char *argv[])
 
         rules = udev_rules_new(udev, resolve_names);
         if (rules == NULL) {
-                log_error("error reading rules\n");
+                log_error("error reading rules");
                 goto exit;
         }
 
@@ -1181,7 +1181,7 @@ int main(int argc, char *argv[])
 
         fd_ep = epoll_create1(EPOLL_CLOEXEC);
         if (fd_ep < 0) {
-                log_error("error creating epoll fd: %m\n");
+                log_error("error creating epoll fd: %m");
                 goto exit;
         }
         if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_ctrl, &ep_ctrl) < 0 ||
@@ -1189,7 +1189,7 @@ int main(int argc, char *argv[])
             epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_signal, &ep_signal) < 0 ||
             epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_netlink, &ep_netlink) < 0 ||
             epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_worker, &ep_worker) < 0) {
-                log_error("fail to add fds to epoll: %m\n");
+                log_error("fail to add fds to epoll: %m");
                 goto exit;
         }
 
@@ -1202,11 +1202,11 @@ int main(int argc, char *argv[])
                         children_max +=  CPU_COUNT(&cpu_set) * 2;
                 }
         }
-        log_debug("set children_max to %u\n", children_max);
+        log_debug("set children_max to %u", children_max);
 
         rc = udev_rules_apply_static_dev_perms(rules);
         if (rc < 0)
-                log_error("failed to apply permissions on static device nodes - %s\n", strerror(-rc));
+                log_error("failed to apply permissions on static device nodes - %s", strerror(-rc));
 
         udev_list_node_init(&event_list);
         udev_list_node_init(&worker_list);
@@ -1266,13 +1266,13 @@ int main(int argc, char *argv[])
 
                         /* timeout */
                         if (udev_exit) {
-                                log_error("timeout, giving up waiting for workers to finish\n");
+                                log_error("timeout, giving up waiting for workers to finish");
                                 break;
                         }
 
                         /* kill idle workers */
                         if (udev_list_node_is_empty(&event_list)) {
-                                log_debug("cleanup idle workers\n");
+                                log_debug("cleanup idle workers");
                                 worker_kill(udev);
                         }
 
@@ -1284,14 +1284,14 @@ int main(int argc, char *argv[])
                                         continue;
 
                                 if ((now(CLOCK_MONOTONIC) - worker->event_start_usec) > 30 * 1000 * 1000) {
-                                        log_error("worker [%u] %s timeout; kill it\n", worker->pid,
+                                        log_error("worker [%u] %s timeout; kill it", worker->pid,
                                             worker->event ? worker->event->devpath : "<idle>");
                                         kill(worker->pid, SIGKILL);
                                         worker->state = WORKER_KILLED;
                                         /* drop reference taken for state 'running' */
                                         worker_unref(worker);
                                         if (worker->event) {
-                                                log_error("seq %llu '%s' killed\n",
+                                                log_error("seq %llu '%s' killed",
                                                           udev_device_get_seqnum(worker->event->dev), worker->event->devpath);
                                                 worker->event->exitcode = -64;
                                                 event_queue_delete(worker->event, true);