termux-packages/root-packages/openvpn/src-openvpn-tun.c.patch

--- ./src/openvpn/tun.c 2016-12-26 11:51:00.000000000 +0000
+++ ../tun.c    2016-12-28 04:11:52.786734486 +0000
@@ -1939,7 +1939,7 @@
         const char *node = dev_node;
         if (!node)
         {
-            node = "/dev/net/tun";
+            node = "/dev/tun";
         }
 
         /*