Comment # 13 on bug 1099698 from Jiri Slaby

Example of UNTRACKED traffic logged in the previous:
> [213344.130774] XXUNTRIN=eth1 OUT= MAC=d8:9e:f3:f6:6d:0c:00:14:d1:e6:8d:c6:86:dd SRC=fe80:0000:0000:0000:0214:d1ff:fee6:8dc6 DST=fe80:0000:0000:0000:4748:4aeb:6d22:254d LEN=64 TC=0 HOPLIMIT=255 FLOWLBL=0 PROTO=ICMPv6 TYPE=136 CODE=0 
> [213348.357176] XXUNTRIN=eth1 OUT= MAC=d8:9e:f3:f6:6d:0c:00:14:d1:e6:8d:c6:86:dd SRC=fe80:0000:0000:0000:0214:d1ff:fee6:8dc6 DST=2a01:4240:2e27:ad85:aaaa:0000:0000:070f LEN=72 TC=0 HOPLIMIT=255 FLOWLBL=0 PROTO=ICMPv6 TYPE=135 CODE=0 
> [213349.137268] XXUNTRIN=eth1 OUT= MAC=d8:9e:f3:f6:6d:0c:00:14:d1:e6:8d:c6:86:dd SRC=fe80:0000:0000:0000:0214:d1ff:fee6:8dc6 DST=fe80:0000:0000:0000:4748:4aeb:6d22:254d LEN=72 TC=0 HOPLIMIT=255 FLOWLBL=0 PROTO=ICMPv6 TYPE=135 CODE=0