New way of initializing; remove --iface option

weave

@@ -578,6 +578,7 @@ configure_veth_attached_bridge() {
 router_bridge_opts() {
     echo --docker-bridge "$DOCKER_BRIDGE" --weave-bridge "$BRIDGE" --datapath "$DATAPATH"
     [ -z "$WEAVE_MTU" ] || echo --mtu "$WEAVE_MTU"
+    [ -z $WEAVE_NO_FASTDP ] || echo --no-fastdp
 }
 
 ask_version() {