pass in on lo0 route-to { (lo0 127.0.0.1), (lo0 127.0.0.2) } all
pass out on lo0 route-to { (lo0 127.0.0.1), (lo0 127.0.0.2) } round-robin all
pass in on lo0 route-to (lo0 127.0.0.1/24) bitmask all
pass out on lo0 dup-to (lo0 127.0.0.1/24) random all
pass in on lo0 reply-to { lo0, lo0 } round-robin inet6 all
pass in on lo0 reply-to (lo0 127.0.0.0/28) source-hash 0x0123456789ABCDEF0123456789abcdef inet all 
pass out on lo0 route-to (lo0 127.0.0.1/24) source-hash foobarlicious all 
pass in on lo0 dup-to (lo0 127.0.0.1/24) round-robin all