--- zzzz-none-000/linux-3.10.107/include/net/netns/ipv4.h	2017-06-27 09:49:32.000000000 +0000
+++ vr9-7490-729/linux-3.10.107/include/net/netns/ipv4.h	2021-11-10 11:53:56.000000000 +0000
@@ -68,6 +68,8 @@
 	kgid_t sysctl_ping_group_range[2];
 	long sysctl_tcp_mem[3];
 
+	int sysctl_tcp_min_snd_mss;
+
 	atomic_t dev_addr_genid;
 
 #ifdef CONFIG_IP_MROUTE