diff --git a/source4/samba4-knownfail b/source4/samba4-knownfail
index 5e56aa6d97d..227dad323c3 100644
--- a/source4/samba4-knownfail
+++ b/source4/samba4-knownfail
@@ -1,35 +1,35 @@
-LOCAL-RESOLVE.*/async
-LOCAL-ICONV.*/next_codepoint()
-BASE-DELAYWRITE/finfo update on close
-BASE-DELETE.*/deltest20a
-BASE-DELETE.*/deltest20b
-RAW-OPLOCK.*/OPLOCK
+LOCAL-RESOLVE.*.async
+LOCAL-ICONV.*.next_codepoint()
+BASE-DELAYWRITE.finfo update on close
+BASE-DELETE.*.deltest20a
+BASE-DELETE.*.deltest20b
+RAW-OPLOCK.*.OPLOCK
 RPC-WINREG
-LOCAL-REGISTRY.*/security # Not implemented yet
+LOCAL-REGISTRY.*.security # Not implemented yet
 RPC-WKSSVC
-RPC-HANDLES.*/lsarpc-shared
-RPC-HANDLES.*/mixed-shared
-RPC-EPMAPPER.*/Insert
-RPC-EPMAPPER.*/InqObject
+RPC-HANDLES.*.lsarpc-shared
+RPC-HANDLES.*.mixed-shared
+RPC-EPMAPPER.*.Insert
+RPC-EPMAPPER.*.InqObject
 RPC-DFS.*
 RPC-DRSUAPI.*
 RPC-LSALOOKUP
 RPC-CRACKNAMES
-RPC-NETLOGON.*/LogonUasLogon
-RPC-NETLOGON.*/LogonUasLogoff
-RPC-NETLOGON.*/DatabaseSync
-RPC-NETLOGON.*/DatabaseSync2
-RPC-NETLOGON.*/GetDcName
-RPC-NETLOGON.*/LogonControl
-RPC-NETLOGON.*/LogonControl2
-RPC-NETLOGON.*/GetAnyDCName
-RPC-NETLOGON.*/DsrEnumerateDomainTrusts
-RPC-NETLOGON.*/NetrEnumerateTrustedDomains
-RPC-NETLOGON.*/NetrEnumerateTrustedDomainsEx
-RPC-NETLOGON.*/DsrGetDcSiteCoverageW
-RPC-NETLOGON.*/DsRAddressToSitenamesW
-RPC-NETLOGON.*/DsRAddressToSitenamesExW
-RPC-NETLOGON.*/GetPassword
-RPC-NETLOGON.*/GetTrustPasswords
-BASE-CHARSET.*/Testing partial surrogate
+RPC-NETLOGON.*.LogonUasLogon
+RPC-NETLOGON.*.LogonUasLogoff
+RPC-NETLOGON.*.DatabaseSync
+RPC-NETLOGON.*.DatabaseSync2
+RPC-NETLOGON.*.GetDcName
+RPC-NETLOGON.*.LogonControl
+RPC-NETLOGON.*.LogonControl2
+RPC-NETLOGON.*.GetAnyDCName
+RPC-NETLOGON.*.DsrEnumerateDomainTrusts
+RPC-NETLOGON.*.NetrEnumerateTrustedDomains
+RPC-NETLOGON.*.NetrEnumerateTrustedDomainsEx
+RPC-NETLOGON.*.DsrGetDcSiteCoverageW
+RPC-NETLOGON.*.DsRAddressToSitenamesW
+RPC-NETLOGON.*.DsRAddressToSitenamesExW
+RPC-NETLOGON.*.GetPassword
+RPC-NETLOGON.*.GetTrustPasswords
+BASE-CHARSET.*.Testing partial surrogate
 .*NET-API-DELSHARE.*				# DelShare isn't implemented yet
diff --git a/source4/selftest/Subunit.pm b/source4/selftest/Subunit.pm
index ea08ef8f384..e5c61ca9ba7 100644
--- a/source4/selftest/Subunit.pm
+++ b/source4/selftest/Subunit.pm
@@ -6,9 +6,9 @@ require Exporter;
 
 use strict;
 
-sub parse_results($$$$$$)
+sub parse_results($$$$$)
 {
-	my ($msg_ops, $msg_state, $statistics, $fh, $expecting_failure, $open_tests) = @_;
+	my ($msg_ops, $statistics, $fh, $expecting_failure, $open_tests) = @_;
 	my $unexpected_ok = 0;
 	my $expected_fail = 0;
 	my $unexpected_fail = 0;
@@ -17,59 +17,59 @@ sub parse_results($$$$$$)
 
 	while(<$fh>) {
 		if (/^test: (.+)\n/) {
-			$msg_ops->control_msg($msg_state, $_);
-			$msg_ops->start_test($msg_state, $open_tests, $1);
+			$msg_ops->control_msg($_);
+			$msg_ops->start_test($open_tests, $1);
 			push (@$open_tests, $1);
 		} elsif (/^(success|successful|failure|skip|error): (.*?)( \[)?([ \t]*)\n/) {
-			$msg_ops->control_msg($msg_state, $_);
+			$msg_ops->control_msg($_);
 			my $reason = undef;
 			if ($3) {
 				$reason = "";
 				# reason may be specified in next lines
 				while(<$fh>) {
-					$msg_ops->control_msg($msg_state, $_);
+					$msg_ops->control_msg($_);
 					if ($_ eq "]\n") { last; } else { $reason .= $_; }
 				}
 			}
 			my $result = $1;
 			if ($1 eq "success" or $1 eq "successful") {
 				pop(@$open_tests); #FIXME: Check that popped value == $2
-				if ($expecting_failure->("$msg_state->{NAME}/$2")) {
+				if ($expecting_failure->(join(".", @$open_tests) . ".$2")) {
 					$statistics->{TESTS_UNEXPECTED_OK}++;
-					$msg_ops->end_test($msg_state, $open_tests, $2, $1, 1, $reason);
+					$msg_ops->end_test($open_tests, $2, $1, 1, $reason);
 					$unexpected_ok++;
 				} else {
 					$statistics->{TESTS_EXPECTED_OK}++;
-					$msg_ops->end_test($msg_state, $open_tests, $2, $1, 0, $reason);
+					$msg_ops->end_test($open_tests, $2, $1, 0, $reason);
 				}
 			} elsif ($1 eq "failure") {
 				pop(@$open_tests); #FIXME: Check that popped value == $2
-				if ($expecting_failure->("$msg_state->{NAME}/$2")) {
+				if ($expecting_failure->(join(".", @$open_tests) . ".$2")) {
 					$statistics->{TESTS_EXPECTED_FAIL}++;
-					$msg_ops->end_test($msg_state, $open_tests, $2, $1, 0, $reason);
+					$msg_ops->end_test($open_tests, $2, $1, 0, $reason);
 					$expected_fail++;
 				} else {
 					$statistics->{TESTS_UNEXPECTED_FAIL}++;
-					$msg_ops->end_test($msg_state, $open_tests, $2, $1, 1, $reason);
+					$msg_ops->end_test($open_tests, $2, $1, 1, $reason);
 					$unexpected_fail++;
 				}
 			} elsif ($1 eq "skip") {
 				$statistics->{TESTS_SKIP}++;
 				pop(@$open_tests); #FIXME: Check that popped value == $2
-				$msg_ops->end_test($msg_state, $open_tests, $2, $1, 0, $reason);
+				$msg_ops->end_test($open_tests, $2, $1, 0, $reason);
 			} elsif ($1 eq "error") {
 				$statistics->{TESTS_ERROR}++;
 				pop(@$open_tests); #FIXME: Check that popped value == $2
-				$msg_ops->end_test($msg_state, $open_tests, $2, $1, 1, $reason);
+				$msg_ops->end_test($open_tests, $2, $1, 1, $reason);
 				$unexpected_err++;
 			}
 		} else {
-			$msg_ops->output_msg($msg_state, $_);
+			$msg_ops->output_msg($_);
 		}
 	}
 
 	while ($#$open_tests > $orig_open_len) {
-		$msg_ops->end_test($msg_state, $open_tests, pop(@$open_tests), "error", 1,
+		$msg_ops->end_test($open_tests, pop(@$open_tests), "error", 1,
 				   "was started but never finished!");
 		$statistics->{TESTS_ERROR}++;
 		$unexpected_err++;
diff --git a/source4/selftest/output/buildfarm.pm b/source4/selftest/output/buildfarm.pm
index af61376446a..cee6c1e63a8 100644
--- a/source4/selftest/output/buildfarm.pm
+++ b/source4/selftest/output/buildfarm.pm
@@ -5,6 +5,11 @@ package output::buildfarm;
 use Exporter;
 @ISA = qw(Exporter);
 
+use FindBin qw($RealBin);
+use lib "$RealBin/..";
+
+use Subunit qw(parse_results);
+
 use strict;
 
 sub new($$$) {
@@ -16,15 +21,15 @@ sub new($$$) {
 	bless($self, $class);
 }
 
-sub start_testsuite($$$)
+sub start_testsuite($$)
 {
-	my ($self, $name, $state) = @_;
+	my ($self, $name) = @_;
 	my $out = "";
 
-	$state->{NAME} = $name;
-	$state->{START_TIME} = time();
+	$self->{NAME} = $name;
+	$self->{START_TIME} = time();
 
-	my $duration = $state->{START_TIME} - $self->{start_time};
+	my $duration = $self->{START_TIME} - $self->{start_time};
 	$out .= "--==--==--==--==--==--==--==--==--==--==--\n";
 	$out .= "Running test $name (level 0 stdout)\n";
 	$out .= "--==--==--==--==--==--==--==--==--==--==--\n";
@@ -37,26 +42,26 @@ sub start_testsuite($$$)
 	print $out;
 }
 
-sub output_msg($$$)
+sub output_msg($$)
 {
-	my ($self, $state, $output) = @_;
+	my ($self, $output) = @_;
 
-	$self->{test_output}->{$state->{NAME}} .= $output;
+	$self->{test_output}->{$self->{NAME}} .= $output;
 }
 
-sub control_msg($$$)
+sub control_msg($$)
 {
-	my ($self, $state, $output) = @_;
+	my ($self, $output) = @_;
 
-	$self->{test_output}->{$state->{NAME}} .= $output;
+	$self->{test_output}->{$self->{NAME}} .= $output;
 }
 
-sub end_testsuite($$$$$$$)
+sub end_testsuite($$$$$$)
 {
-	my ($self, $name, $state, $result, $unexpected, $reason) = @_;
+	my ($self, $name, $result, $unexpected, $reason) = @_;
 	my $out = "";
 
-	$out .= "TEST RUNTIME: " . (time() - $state->{START_TIME}) . "s\n";
+	$out .= "TEST RUNTIME: " . (time() - $self->{START_TIME}) . "s\n";
 
 	if (not $unexpected) {
 		$out .= "ALL OK\n";
@@ -65,8 +70,6 @@ sub end_testsuite($$$$$$$)
 		$out .= $self->{test_output}->{$name};
 	}
 
-	$out .= "PCAP FILE: $state->{PCAP_FILE}\n" if defined($state->{PCAP_FILE});
-
 	$out .= "==========================================\n";
 	if (not $unexpected) {
 		$out .= "TEST PASSED: $name\n";
@@ -78,25 +81,25 @@ sub end_testsuite($$$$$$$)
 	print $out;
 }
 
-sub start_test($$$$)
+sub start_test($$$)
 {
-	my ($self, $state, $parents, $testname) = @_;
+	my ($self, $parents, $testname) = @_;
 
 	if ($#$parents == -1) {
-		$self->start_testsuite($testname, $state);
+		$self->start_testsuite($testname);
 	}
 }
 
-sub end_test($$$$$$)
+sub end_test($$$$$)
 {
-	my ($self, $state, $parents, $testname, $result, $unexpected, $reason) = @_;
+	my ($self, $parents, $testname, $result, $unexpected, $reason) = @_;
 
 	if ($unexpected) {
-		$self->{test_output}->{$state->{NAME}} .= "UNEXPECTED($result): $testname\n";
+		$self->{test_output}->{$self->{NAME}} .= "UNEXPECTED($result): $testname\n";
 	}
 
 	if ($#$parents == -1) {
-		$self->end_testsuite($testname, $state, $result, $unexpected, $reason); 
+		$self->end_testsuite($testname, $result, $unexpected, $reason); 
 	}
 }
 
diff --git a/source4/selftest/output/html.pm b/source4/selftest/output/html.pm
index 1e2dacac6f3..c97926c7a88 100644
--- a/source4/selftest/output/html.pm
+++ b/source4/selftest/output/html.pm
@@ -8,6 +8,9 @@ use strict;
 use warnings;
 
 use FindBin qw($RealBin);
+use lib "$RealBin/..";
+
+use Subunit qw(parse_results);
 
 sub new$($$$) {
 	my ($class, $dirname, $statistics) = @_;
@@ -71,11 +74,11 @@ sub print_html_footer($$)
 	print $fh "</html>\n";
 }
 
-sub output_msg($$$);
+sub output_msg($$);
 
-sub start_testsuite($$$)
+sub start_testsuite($$)
 {
-	my ($self, $name, $state) = @_;
+	my ($self, $name) = @_;
 
 	$self->{local_statistics} = {
 		success => 0,
@@ -84,11 +87,11 @@ sub start_testsuite($$$)
 		failure => 0
 	};
 
-	$state->{NAME} = $name;
-	$state->{HTMLFILE} = "$name.html";
-	$state->{HTMLFILE} =~ s/[:\t\n \/]/_/g;
+	$self->{NAME} = $name;
+	$self->{HTMLFILE} = "$name.html";
+	$self->{HTMLFILE} =~ s/[:\t\n \/]/_/g;
 
-	open(TEST, ">$self->{dirname}/$state->{HTMLFILE}") or die("Unable to open $state->{HTMLFILE} for writing");
+	open(TEST, ">$self->{dirname}/$self->{HTMLFILE}") or die("Unable to open $self->{HTMLFILE} for writing");
 
 	$self->print_html_header("Test Results for $name", *TEST);
 
@@ -97,16 +100,16 @@ sub start_testsuite($$$)
 	print TEST "  <table>\n";
 }
 
-sub control_msg($$$)
+sub control_msg($$)
 {
-	my ($self, $state, $output) = @_;
+	my ($self, $output) = @_;
 
 	$self->{msg} .=  "<span class=\"control\">$output<br/></span>\n";
 }
 
-sub output_msg($$$)
+sub output_msg($$)
 {
-	my ($self, $state, $output) = @_;
+	my ($self, $output) = @_;
 
 	unless (defined($self->{active_test})) {
 		print TEST "$output<br/>";
@@ -115,20 +118,20 @@ sub output_msg($$$)
 	}
 }
 
-sub end_testsuite($$$$$)
+sub end_testsuite($$$$)
 {
-	my ($self, $name, $state, $result, $unexpected, $reason) = @_;
+	my ($self, $name, $result, $unexpected, $reason) = @_;
 
 	print TEST "</table>\n";
 
-	print TEST "<div class=\"duration\">Duration: " . (time() - $state->{START_TIME}) . "s</div>\n";
+	print TEST "<div class=\"duration\">Duration: " . (time() - $self->{START_TIME}) . "s</div>\n";
 
 	$self->print_html_footer(*TEST);
 
 	close(TEST);
 
 	print INDEX "<tr>\n";
-	print INDEX "  <td class=\"testSuite\"><a href=\"$state->{HTMLFILE}\">$name</a></td>\n";
+	print INDEX "  <td class=\"testSuite\"><a href=\"$self->{HTMLFILE}\">$name</a></td>\n";
 	my $st = $self->{local_statistics};
 
 	if (not $unexpected) {
@@ -175,13 +178,13 @@ sub end_testsuite($$$$$)
 	print INDEX "</tr>\n";
 }
 
-sub start_test($$$)
+sub start_test($$)
 {
-	my ($self, $state, $parents, $testname) = @_;
+	my ($self, $parents, $testname) = @_;
 
 	if ($#$parents == -1) {
-		$state->{START_TIME} = time();
-		$self->start_testsuite($testname, $state);
+		$self->{START_TIME} = time();
+		$self->start_testsuite($testname);
 		return;
 	}
 
@@ -189,12 +192,12 @@ sub start_test($$$)
 	$self->{msg} = "";
 }
 
-sub end_test($$$$$$$)
+sub end_test($$$$$$)
 {
-	my ($self, $state, $parents, $testname, $result, $unexpected, $reason) = @_;
+	my ($self, $parents, $testname, $result, $unexpected, $reason) = @_;
 
 	if ($#$parents == -1) {
-		$self->end_testsuite($testname, $state, $result, $unexpected, $reason);
+		$self->end_testsuite($testname, $result, $unexpected, $reason);
 		return;
 	}
 
@@ -224,7 +227,7 @@ sub end_test($$$$$$$)
 	}
 
 	push(@{$self->{error_summary}->{$track_class}}, ,
-		 [$state->{HTMLFILE}, $testname, $state->{NAME}, 
+		 [$self->{HTMLFILE}, $testname, $self->{NAME}, 
 		  $reason]);
 
 	print TEST "<a name=\"$testname\"><h3>$testname</h3></a>\n";
diff --git a/source4/selftest/output/plain.pm b/source4/selftest/output/plain.pm
index 086bd2b0e5d..1e6dead3266 100644
--- a/source4/selftest/output/plain.pm
+++ b/source4/selftest/output/plain.pm
@@ -4,6 +4,11 @@ package output::plain;
 use Exporter;
 @ISA = qw(Exporter);
 
+use FindBin qw($RealBin);
+use lib "$RealBin/..";
+
+use Subunit qw(parse_results);
+
 use strict;
 
 sub new($$$$$$$) {
@@ -24,17 +29,17 @@ sub new($$$$$$$) {
 	bless($self, $class);
 }
 
-sub output_msg($$$);
+sub output_msg($$);
 
-sub start_testsuite($$$)
+sub start_testsuite($$)
 {
-	my ($self, $name, $state) = @_;
+	my ($self, $name) = @_;
 
 	$self->{index}++;
-	$state->{NAME} = $name;
-	$state->{START_TIME} = time();
+	$self->{NAME} = $name;
+	$self->{START_TIME} = time();
 
-	my $duration = $state->{START_TIME} - $self->{start_time};
+	my $duration = $self->{START_TIME} - $self->{start_time};
 
 	$self->{test_output}->{$name} = "" unless($self->{verbose});
 
@@ -45,31 +50,31 @@ sub start_testsuite($$$)
 	print "$out";
 }
 
-sub output_msg($$$)
+sub output_msg($$)
 {
-	my ($self, $state, $output) = @_;
+	my ($self, $output) = @_;
 
 	if ($self->{verbose}) {
 		print $output;
 	} else {
-		$self->{test_output}->{$state->{NAME}} .= $output;
+		$self->{test_output}->{$self->{NAME}} .= $output;
 	}
 }
 
-sub control_msg($$$)
+sub control_msg($$)
 {
-	my ($self, $state, $output) = @_;
+	my ($self, $output) = @_;
 
-	$self->output_msg($state, $output);
+	$self->output_msg($output);
 }
 
-sub end_testsuite($$$$$$)
+sub end_testsuite($$$$$)
 {
-	my ($self, $name, $state, $result, $unexpected, $reason) = @_;
+	my ($self, $name, $result, $unexpected, $reason) = @_;
 	my $out = "";
 
 	if ($unexpected) {
-		$self->output_msg($state, "ERROR: $reason\n");
+		$self->output_msg("ERROR: $reason\n");
 		push (@{$self->{suitesfailed}}, $name);
 	} else {
 		$self->{suites_ok}++;
@@ -83,38 +88,38 @@ sub end_testsuite($$$$$$)
 	print $out;
 }
 
-sub start_test($$$$)
+sub start_test($$$)
 {
-	my ($self, $state, $parents, $testname) = @_;
+	my ($self, $parents, $testname) = @_;
 
 	if ($#$parents == -1) {
-		$self->start_testsuite($testname, $state);
+		$self->start_testsuite($testname);
 	}
 }
 
-sub end_test($$$$$$)
+sub end_test($$$$$)
 {
-	my ($self, $state, $parents, $testname, $result, $unexpected, $reason) = @_;
+	my ($self, $parents, $testname, $result, $unexpected, $reason) = @_;
 	
 	if ($#$parents == -1) {
-		$self->end_testsuite($testname, $state, $result, $unexpected, $reason);
+		$self->end_testsuite($testname, $result, $unexpected, $reason);
 		return;
 	}
 
 	my $append = "";
 
 	unless ($unexpected) {
-		$self->{test_output}->{$state->{NAME}} = "";
+		$self->{test_output}->{$self->{NAME}} = "";
 		return;
 	}
 
 	$append = "UNEXPECTED($result): $testname\n";
 
-	$self->{test_output}->{$state->{NAME}} .= $append;
+	$self->{test_output}->{$self->{NAME}} .= $append;
 
 	if ($self->{immediate} and not $self->{verbose}) {
-		print $self->{test_output}->{$state->{NAME}};
-		$self->{test_output}->{$state->{NAME}} = "";
+		print $self->{test_output}->{$self->{NAME}};
+		$self->{test_output}->{$self->{NAME}} = "";
 	}
 }
 
diff --git a/source4/selftest/selftest.pl b/source4/selftest/selftest.pl
index 0e9b0174fdc..8fccb8d4a08 100755
--- a/source4/selftest/selftest.pl
+++ b/source4/selftest/selftest.pl
@@ -204,7 +204,7 @@ sub skip($)
 
 sub getlog_env($);
 
-sub setup_pcap($$)
+sub setup_pcap($)
 {
 	my ($state, $name) = @_;
 
@@ -214,59 +214,56 @@ sub setup_pcap($$)
 	my $fname = $name;
 	$fname =~ s%[^abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789\-]%_%g;
 
-	$state->{PCAP_FILE} = "$ENV{SOCKET_WRAPPER_PCAP_DIR}/$fname.pcap";
+	my $pcap_file = "$ENV{SOCKET_WRAPPER_PCAP_DIR}/$fname.pcap";
 
-	SocketWrapper::setup_pcap($state->{PCAP_FILE});
+	SocketWrapper::setup_pcap($pcap_file);
+
+	return $pcap_file;
 }
 
 sub cleanup_pcap($$$)
 {
-	my ($state, $expected_ret, $ret) = @_;
+	my ($pcap_file, $expected_ret, $ret) = @_;
 
 	return unless ($opt_socket_wrapper_pcap);
 	return if ($opt_socket_wrapper_keep_pcap);
 	return unless ($expected_ret == $ret);
-	return unless defined($state->{PCAP_FILE});
+	return unless defined($pcap_file);
 
-	unlink($state->{PCAP_FILE});
-	$state->{PCAP_FILE} = undef;
+	unlink($pcap_file);
 }
 
 sub run_testsuite($$$$$$)
 {
 	my ($envname, $name, $cmd, $i, $totalsuites, $msg_ops) = @_;
-	my $msg_state = {
-	};
+	my $pcap_file = setup_pcap($name);
 
-	setup_pcap($msg_state, $name);
-
-	$msg_ops->start_test($msg_state, [], $name);
+	$msg_ops->start_test([], $name);
 
 	open(RESULT, "$cmd 2>&1|");
 	my $expected_ret = parse_results(
-		$msg_ops, $msg_state, $statistics, *RESULT, \&expecting_failure, [$name]);
+		$msg_ops, $statistics, *RESULT, \&expecting_failure, [$name]);
 
 	my $envlog = getlog_env($envname);
-	$msg_ops->output_msg($msg_state, "ENVLOG: $envlog\n") if ($envlog ne "");
+	$msg_ops->output_msg("ENVLOG: $envlog\n") if ($envlog ne "");
 
-	$msg_ops->output_msg($msg_state, "CMD: $cmd\n");
+	$msg_ops->output_msg("CMD: $cmd\n");
 
 	my $ret = close(RESULT);
 	$ret = 0 unless $ret == 1;
 
 	if ($ret == 1) {
-		$msg_ops->end_test($msg_state, [], $name, "success", $expected_ret != $ret, undef);
+		$msg_ops->end_test([], $name, "success", $expected_ret != $ret, undef);
 	} else {
-		$msg_ops->end_test($msg_state, [], $name, "failure", $expected_ret != $ret, 
+		$msg_ops->end_test([], $name, "failure", $expected_ret != $ret, 
 					       "Returned $ret");
 	}
 
-	cleanup_pcap($msg_state, $expected_ret, $ret);
+	cleanup_pcap($pcap_file, $expected_ret, $ret);
 
 	if (not $opt_socket_wrapper_keep_pcap and 
-		defined($msg_state->{PCAP_FILE})) {
-		$msg_ops->output_msg($msg_state, 
-			"PCAP FILE: $msg_state->{PCAP_FILE}\n");
+		defined($pcap_file)) {
+		$msg_ops->output_msg("PCAP FILE: $pcap_file\n");
 	}
 
 	if ($ret != $expected_ret) {