Handle default 'flags S/SA keep state', 'no state' and 'flags any'.

explicitely set inet for localhost and lo0 tests, test would fail if
localhost resolves to ::1
ok dhartmei@

Add interface name to address translation to pfctl, document it and add
a regress test. Translation is done on rule set load-time only, so the
rule sets must be reloaded when an interface address cha

Add interface name to address translation to pfctl, document it and add
a regress test. Translation is done on rule set load-time only, so the
rule sets must be reloaded when an interface address changes.
parse.y patch from Cedric Berger. Similar patch from Jonathon Fletcher.
Thanks to both.

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