diff -Nru hobbit-plugins-20170219/client-ext/libs hobbit-plugins-20170628/client-ext/libs
--- hobbit-plugins-20170219/client-ext/libs	2016-06-05 01:29:28.000000000 +0000
+++ hobbit-plugins-20170628/client-ext/libs	2017-06-28 11:55:26.000000000 +0000
@@ -202,6 +202,7 @@
 
 {
     my ($process, $pid, $user, $fd, $path, $rest);
+    $user //= 'unknown';
     while (my $line = <$lsof_cmd>)  {
         my %params = %{_split_lsof_fields($line)};
         if ($line =~ m{\Ap}xms) {
diff -Nru hobbit-plugins-20170219/debian/changelog hobbit-plugins-20170628/debian/changelog
--- hobbit-plugins-20170219/debian/changelog	2017-02-19 20:09:58.000000000 +0000
+++ hobbit-plugins-20170628/debian/changelog	2017-06-28 12:18:00.000000000 +0000
@@ -1,3 +1,11 @@
+hobbit-plugins (20170628) unstable; urgency=medium
+
+  * Team upload.
+  * libs: Use 'unknown' for unknown user names.
+  * Bump S-V to 4.0.0; remove path from invoke-rc.d in postinst.
+
+ -- Christoph Berg <christoph.berg@credativ.de>  Wed, 28 Jun 2017 14:18:00 +0200
+
 hobbit-plugins (20170219) unstable; urgency=low
 
   * dirtyvcs: Update regular expression to detect clean git
diff -Nru hobbit-plugins-20170219/debian/control hobbit-plugins-20170628/debian/control
--- hobbit-plugins-20170219/debian/control	2016-06-05 01:49:06.000000000 +0000
+++ hobbit-plugins-20170628/debian/control	2017-06-28 12:17:22.000000000 +0000
@@ -16,7 +16,7 @@
                libyaml-tiny-perl,
                postgresql-client-common,
                rsync
-Standards-Version: 3.9.8
+Standards-Version: 4.0.0
 Vcs-Git: https://anonscm.debian.org/git/collab-maint/hobbit-plugins.git
 Vcs-Browser: https://anonscm.debian.org/cgit/collab-maint/hobbit-plugins.git
 Homepage: http://xymon.sourceforge.net/
diff -Nru hobbit-plugins-20170219/debian/postinst hobbit-plugins-20170628/debian/postinst
--- hobbit-plugins-20170219/debian/postinst	2016-06-05 01:29:28.000000000 +0000
+++ hobbit-plugins-20170628/debian/postinst	2017-06-28 12:17:55.000000000 +0000
@@ -18,17 +18,9 @@
                 fi
 
 		if test -x /usr/lib/xymon/server/bin/xymond ; then
-			if [ -x /usr/sbin/invoke-rc.d ] ; then
-				invoke-rc.d xymon reload || :
-			else
-				/etc/init.d/xymon reload || :
-			fi
+			invoke-rc.d xymon reload || :
 		else
-			if [ -x /usr/sbin/invoke-rc.d ] ; then
-				invoke-rc.d xymon-client reload || :
-			else
-				/etc/init.d/xymon-client reload || :
-			fi
+			invoke-rc.d xymon-client reload || :
 		fi
 		;;
 esac
diff -Nru hobbit-plugins-20170219/src/usr/lib/xymon/client/ext/libs hobbit-plugins-20170628/src/usr/lib/xymon/client/ext/libs
--- hobbit-plugins-20170219/src/usr/lib/xymon/client/ext/libs	2016-06-05 01:29:28.000000000 +0000
+++ hobbit-plugins-20170628/src/usr/lib/xymon/client/ext/libs	2017-06-28 11:55:26.000000000 +0000
@@ -202,6 +202,7 @@
 
 {
     my ($process, $pid, $user, $fd, $path, $rest);
+    $user //= 'unknown';
     while (my $line = <$lsof_cmd>)  {
         my %params = %{_split_lsof_fields($line)};
         if ($line =~ m{\Ap}xms) {