pass in inet from 127.0.0.1 to 127.0.0.0/8
pass in inet from 127.0.0.0/16 to 127.0.0.0/24
pass in inet from 127.0.0.0/25 to ! 127.0.0.0/26
pass in inet from ! 127.0.0.1 to 127.0.0.0/16
pass in inet from ! 127.0.0.1 to ! 127.0.0.0/8