Not sure if this is something thought I'd report so you can decide.
$ monitor firewall name LAN-OUT Notice: monitoring information is displayed only for rules with enabled logging tail: unrecognized file system type 0x794c7630 for ‘/var/log/messages’. please report this to bug-coreutils@gnu.org. reverting to polling $ monitor firewall name OUT-LAN Notice: monitoring information is displayed only for rules with enabled logging tail: unrecognized file system type 0x794c7630 for ‘/var/log/messages’. please report this to bug-coreutils@gnu.org. reverting to polling