NetBSD-5.0.2/dist/ipf/test/input/f18

in on le1 1.1.1.1 3.3.3.3
in on le1 1.1.1.1 5.5.5.5
out on le1 2.2.2.2 4.4.4.4
out on le1 2.2.2.2 6.6.6.6