ip_addmulti
ilm = ip_addmulti(&v6allmc, ill, ipif->ipif_zoneid,
ilm = ip_addmulti(&v6solmc, mcast_ill,
ilm = ip_addmulti(&v6group, ill, ipif->ipif_zoneid, &err);
ilm = ip_addmulti(&ipv6_all_zeros, ill,
ilm = ip_addmulti(&ipv6_all_zeros, ill, ill->ill_zoneid, &ret);
extern ilm_t *ip_addmulti(const in6_addr_t *, ill_t *, zoneid_t,