1:INPUT,FORWARD,OUTPUT
2-m connlabel --label "40";=;OK
3-m connlabel ! --label "40";=;OK
4-m connlabel --label "41" --set;=;OK
5-m connlabel ! --label "41" --set;=;OK
6-m connlabel --label "2048";;FAIL
7-m connlabel --label "foobar_not_there";;FAIL
8