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,