ip6_local_out
err = ip6_local_out(dev_net(skb_dst(skb)->dev), skb->sk, skb);
err = ip6_local_out(dev_net(dev), NULL, skb);
err = ip6_local_out(skb_dst_dev_net(skb), sk, skb);
int ip6_local_out(struct net *net, struct sock *sk, struct sk_buff *skb);
err = ip6_local_out(net, skb->sk, skb);
ip6_local_out(net, skb->sk, skb);
ip6_local_out(net, sk, nskb);
EXPORT_SYMBOL_GPL(ip6_local_out);
ip6_local_out(net, skb->sk, skb);
ip6_local_out(net, nskb->sk, nskb);