ovpn_run: Silence iptables rule checks

* It's fine for these to fail, it's expected.

Author: kylemanna

bin/ovpn_run

@@ -39,11 +39,11 @@ function addArg {
 # this allows rules/routing to be altered by supplying this function
 # in an included file, such as ovpn_env.sh
 function setupIptablesAndRouting {
-    iptables -t nat -C POSTROUTING -s $OVPN_SERVER -o $OVPN_NATDEVICE -j MASQUERADE || {
+    iptables -t nat -C POSTROUTING -s $OVPN_SERVER -o $OVPN_NATDEVICE -j MASQUERADE 2>/dev/null || {
       iptables -t nat -A POSTROUTING -s $OVPN_SERVER -o $OVPN_NATDEVICE -j MASQUERADE
     }
     for i in "${OVPN_ROUTES[@]}"; do
-        iptables -t nat -C POSTROUTING -s "$i" -o $OVPN_NATDEVICE -j MASQUERADE || {
+        iptables -t nat -C POSTROUTING -s "$i" -o $OVPN_NATDEVICE -j MASQUERADE 2>/dev/null || {
           iptables -t nat -A POSTROUTING -s "$i" -o $OVPN_NATDEVICE -j MASQUERADE
         }
     done