diff --git a/conf/parsers.conf b/conf/parsers.conf
index b0cf59bb1b1..ec1b11bf910 100644
--- a/conf/parsers.conf
+++ b/conf/parsers.conf
@@ -130,8 +130,9 @@
     Regex   (?<tag>[^.]+)?\.?(?<pod_name>[a-z0-9](?:[-a-z0-9]*[a-z0-9])?(?:\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*)_(?<namespace_name>[^_]+)_(?<container_name>.+)-(?<docker_id>[a-z0-9]{64})\.log$
 
 [PARSER]
+    # Examples: TCP: https://rubular.com/r/Q8YY6fHqlqwGI0  UDP: https://rubular.com/r/B0ID69H9FvN0tp
     Name    kmsg-netfilter-log
     Format  regex
-    Regex   ^\<(?<pri>[0-9]{1,5})\>1 (?<time>[^ ]+) (?<host>[^ ]+) kernel - - - \[[0-9\.]*\] (?<logprefix>[^ ]*)\s?IN=(?<in>[^ ]*) OUT=(?<out>[^ ]*) MAC=(?<macsrc>[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}):(?<macdst>[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}):(?<ethtype>[0-9a-f]{2}:[0-9a-f]{2}) SRC=(?<saddr>[^ ]*) DST=(?<daddr>[^ ]*) LEN=(?<len>[^ ]*) TOS=(?<tos>[^ ]*) PREC=(?<prec>[^ ]*) TTL=(?<ttl>[^ ]*) ID=(?<id>[^ ]*) (D*F*)\s*PROTO=(?<proto>[^ ]*)\s?((SPT=)?(?<sport>[0-9]*))\s?((DPT=)?(?<dport>[0-9]*))\s?((LEN=)?(?<protolen>[0-9]*))\s?((WINDOW=)?(?<window>[0-9]*))\s?((RES=)?(?<res>[0-9]*))\s?(?<flag>[^ ]*)\s?((URGP=)?(?<urgp>[0-9]*))
+    Regex   ^\<(?<pri>[0-9]{1,5})\>1 (?<time>[^ ]+) (?<host>[^ ]+) kernel - - - \[[0-9\.]*\] (?<logprefix>[^ ]*)\s?IN=(?<in>[^ ]*) OUT=(?<out>[^ ]*) MAC=(?<macsrc>[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}):(?<macdst>[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}):(?<ethtype>[0-9a-f]{2}:[0-9a-f]{2}) SRC=(?<saddr>[^ ]*) DST=(?<daddr>[^ ]*) LEN=(?<len>[^ ]*) TOS=(?<tos>[^ ]*) PREC=(?<prec>[^ ]*) TTL=(?<ttl>[^ ]*) ID=(?<id>[^ ]*) (D*F*)\s*PROTO=(?<proto>[^ ]*)\s?((SPT=)?(?<sport>[0-9]*))\s?((DPT=)?(?<dport>[0-9]*))\s?((LEN=)?(?<protolen>[0-9]*))\s?((WINDOW=)?(?<window>[0-9]*))\s?((RES=)?(?<res>0?x?[0-9]*))\s?(?<flag>[^ ]*)\s?((URGP=)?(?<urgp>[0-9]*))
     Time_Key  time
     Time_Format  %Y-%m-%dT%H:%M:%S.%L%z