diff --git a/src/core/dbus.c b/src/core/dbus.c
index 744b97f9910..3f0f40e702b 100644
--- a/src/core/dbus.c
+++ b/src/core/dbus.c
@@ -131,10 +131,16 @@ static int signal_disconnected(sd_bus_message *message, void *userdata, sd_bus_e
         assert(message);
         assert_se(bus = sd_bus_message_get_bus(message));
 
-        if (bus == m->api_bus)
+        if (bus == m->api_bus) {
+                log_notice("Got disconnect on API bus.");
                 bus_done_api(m);
-        if (bus == m->system_bus)
+        }
+        if (bus == m->system_bus) {
+                /* If we are the system manager, this is already logged by the API bus. */
+                if (!MANAGER_IS_SYSTEM(m))
+                        log_notice("Got disconnect on system bus.");
                 bus_done_system(m);
+        }
 
         if (set_remove(m->private_buses, bus)) {
                 log_debug("Got disconnect on private connection.");
diff --git a/src/core/manager-dump.c b/src/core/manager-dump.c
index a12d50c91ec..7e678fa03ee 100644
--- a/src/core/manager-dump.c
+++ b/src/core/manager-dump.c
@@ -77,6 +77,9 @@ static void manager_dump_header(Manager *m, FILE *f, const char *prefix) {
                                 timestamp_is_set(t->realtime) ? FORMAT_TIMESTAMP(t->realtime) :
                                                                 FORMAT_TIMESPAN(t->monotonic, 1));
         }
+
+        for (const char *n = sd_bus_track_first(m->subscribed); n; n = sd_bus_track_next(m->subscribed))
+                fprintf(f, "%sSubscribed: %s\n", strempty(prefix), n);
 }
 
 void manager_dump(Manager *m, FILE *f, char **patterns, const char *prefix) {