IPV6_V6ONLY       236 net/ipv6/ipv6_sockglue.c 	case IPV6_V6ONLY:
IPV6_V6ONLY       952 net/ipv6/ipv6_sockglue.c 	case IPV6_V6ONLY:
IPV6_V6ONLY      1159 net/sunrpc/svcsock.c 		kernel_setsockopt(sock, SOL_IPV6, IPV6_V6ONLY,