IPVL_IPV6
hash = (addr->atype == IPVL_IPV6) ?
*type = IPVL_IPV6;
case IPVL_IPV6: {
} else if (is_v6 && addr->atype == IPVL_IPV6) {
if (addr->atype == IPVL_IPV6)
addr->atype = IPVL_IPV6;