no udp hole punch for docker

scripts/netclient.sh

@@ -11,7 +11,7 @@ if [ "$TOKEN" != "" ]; then
     TOKEN_CMD="-t $TOKEN"
 fi
 
-/root/netclient join $TOKEN_CMD -daemon off -dnson no
+/root/netclient join $TOKEN_CMD -daemon off -dnson no -udpholepunch no
 if [ $? -ne 0 ]; then { echo "Failed to join, quitting." ; exit 1; } fi
 
 echo "[netclient] Starting netclient checkin"