diff --git a/include/net/netns/ipv6.h b/include/net/netns/ipv6.h
index ea4a71a..050d088 100644
--- a/include/net/netns/ipv6.h
+++ b/include/net/netns/ipv6.h
@@ -15,6 +15,14 @@
 #endif
 	struct inet_frags_ctl frags;
 	int bindv6only;
+	int flush_delay;
+	int ip6_rt_max_size;
+	int ip6_rt_gc_min_interval;
+	int ip6_rt_gc_timeout;
+	int ip6_rt_gc_interval;
+	int ip6_rt_gc_elasticity;
+	int ip6_rt_mtu_expires;
+	int ip6_rt_min_advmss;
 };
 
 struct netns_ipv6 {