fib_newrule
err = fib_newrule(dev_net(dev), skb, nlh, NULL, true);
int fib_newrule(struct net *net, struct sk_buff *skb, struct nlmsghdr *nlh,
return fib_newrule(sock_net(skb->sk), skb, nlh, extack, false);
EXPORT_SYMBOL_GPL(fib_newrule);