udpv6_setsockopt 1040 net/ipv6/udp.c 	.setsockopt	   = udpv6_setsockopt,
udpv6_setsockopt   18 net/ipv6/udp_impl.h extern int	udpv6_setsockopt(struct sock *sk, int level, int optname,
udpv6_setsockopt   43 net/ipv6/udplite.c 	.setsockopt	   = udpv6_setsockopt,