in6_update_ifa
if ((error = in6_update_ifa(ifp, ifra, ia, 0)) != 0)
if ((error = in6_update_ifa(ifp, &ifra, NULL,
if ((error = in6_update_ifa(ifp, &ifra, NULL, 0)) != 0) {
int in6_update_ifa(struct ifnet *, struct in6_aliasreq *,
if ((error = in6_update_ifa(ifp, &ifra, NULL, updateflags)) != 0) {
if ((error = in6_update_ifa(ifp, &ifra, NULL, updateflags)) != 0)