configurenetwork: Improve output when setting IPv6 addresses

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
Reviewed-by: Fabian Bläse <fabian@blaese.de>
Reviewed-by: Tim Niemeyer <tim@tn-x.org>

src/packages/fff/fff-network/files/usr/sbin/configurenetwork

@@ -223,10 +223,11 @@ if [[ -n "$ETH0MAC" ]]; then
         /etc/init.d/network restart
 fi
 
-if uci get network.mesh.ip6addr
+if uci -q get "network.mesh.ip6addr" > /dev/null
 then
     echo "IPv6 for mesh is set already"
 else
+    echo "Setting IPv6 addresses"
     # Some time needed :(
     sleep 5