__udp4_lib_err    395 net/ipv4/udp.c 	__udp4_lib_err(skb, info, udp_hash);
__udp4_lib_err      9 net/ipv4/udp_impl.h extern void 	__udp4_lib_err(struct sk_buff *, u32, struct hlist_head []);
__udp4_lib_err     24 net/ipv4/udplite.c 	__udp4_lib_err(skb, info, udplite_hash);