+ struct netns_ipv4 ipv4;
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+ struct netns_ipv6 ipv6;
+#endif
+#if defined(CONFIG_IP_DCCP) || defined(CONFIG_IP_DCCP_MODULE)
+ struct netns_dccp dccp;
+#endif
+#ifdef CONFIG_NETFILTER
+ struct netns_xt xt;
+#endif
+ struct net_generic *gen;