NetBSD/tests/ipf/regress/n18

map z0 0/0 -> 1.1.1.1/32 portmap tcp/udp 1:4 sequential
map z0 0/0 -> 1.1.1.1/32 portmap tcp/udp 1000:5000 sequential
map z0 0/0 -> 1.1.1.1/32 portmap tcp/udp 1000:50000 sequential