BF: change common.conf to handle formats of syslog -v and syslog -vv in BSD

config/filter.d/common.conf

@@ -41,7 +41,10 @@ __hostname = \S+
 #
 # Common line prefixes (beginnings) which could be used in filters
 #
-#       [hostname] [vserver tag] daemon_id spaces
-# this can be optional (for instance if we match named native log files)
-__prefix_line = \s*(?:%(__hostname)s )?(?:%(__kernel_prefix)s )?(?:@vserver_\S+ )?%(__daemon_combs_re)s?\s*
-
+#      [bsdverbose]? [hostname] [vserver tag] daemon_id spaces
+# 
+# bsdverbose is where syslogd is started with -v or -vv and results in <4.3> or
+# <auth.info> appearing before the host as per testcases/files/logs/bsd/*.
+#
+# This can be optional (for instance if we match named native log files)
+__prefix_line = \s*(<[^.]+.[^.]+>)?\s*(?:%(__hostname)s )?(?:%(__kernel_prefix)s )?(?:@vserver_\S+ )?%(__daemon_combs_re)s?\s*