openwrt/target/linux/generic/patches-4.1/263-udp_tunnel_kconfig_hack.patch

--- a/net/ipv4/Kconfig
+++ b/net/ipv4/Kconfig
@@ -308,7 +308,7 @@ config NET_IPVTI
 	  on top.
 
 config NET_UDP_TUNNEL
-	tristate
+	tristate "IP: UDP tunnel"
 	select NET_IP_TUNNEL
 	default n