NAF_NATIVE
if (na->na_flags & NAF_NATIVE) {
hwna->up.na_flags |= NAF_HOST_RINGS | NAF_NATIVE;
if (!(na->na_flags & NAF_NATIVE) || !netmap_adapter_put(na)) {
return nm_netmap_on(na) && (na->na_flags & NAF_NATIVE);
na->na_flags |= NAF_NATIVE;