IPIF_MATCH_NONDUP
boolean_t no_duplicate = (match_flags & IPIF_MATCH_NONDUP);
(IPIF_MATCH_ILLGRP | IPIF_MATCH_NONDUP), zoneid,
boolean_t no_duplicate = (match_flags & IPIF_MATCH_NONDUP);
(IPIF_MATCH_ILLGRP | IPIF_MATCH_NONDUP),