Apparently the output from the service script has changed from "not running" to "NOT running" in Ubuntu Trusty, ref https://github.com/jonschipp/nagios-plugins/issues/35
@@ -263,6 +263,14 @@ case $STATUS_MSG in
echo "$STATUS_MSG"
exit $CRITICAL
;;
+*NOT*running*)
+ echo "$STATUS_MSG"
+ exit $CRITICAL
+ ;;
+*NOT*RUNNING*)
*inactive*)