int rtnl_talk_extack(struct rtnl_handle *rtnl, struct nlmsghdr *n,
		     struct nlmsghdr **answer,
		     nl_ext_ack_fn_t errfn)
{
	return __rtnl_talk(rtnl, n, answer, true, errfn);
}
int rtnl_talk_extack(struct rtnl_handle *rtnl, struct nlmsghdr *n,
		     struct nlmsghdr **answer,
		     nl_ext_ack_fn_t errfn)
{
	return __rtnl_talk(rtnl, n, answer, true, errfn);
}