igc_addr_t
igc->igc_ucast = kmem_zalloc(sizeof (igc_addr_t) *
igc->igc_mcast = kmem_zalloc(sizeof (igc_addr_t) *
kmem_free(igc->igc_mcast, sizeof (igc_addr_t) *
kmem_free(igc->igc_ucast, sizeof (igc_addr_t) *
igc_addr_t *igc_ucast;
igc_addr_t *igc_mcast;