send ping after setting token

bubble-server/src/main/java/bubble/resources/device/FlexRoutersResource.java

@@ -38,14 +38,14 @@ public class FlexRoutersResource extends AccountOwnedResource<FlexRouter, FlexRo
         final Device device = deviceService.findDeviceByIp(ip);
         if (device == null) throw invalidEx("err.device.notFound");
 
+        if (!router.hasAuthToken()) throw invalidEx("err.token.required");
+        router.setToken(router.getAuth_token());
+
         if (pingFlexRouter(router).inactive()) {
             log.info("setReferences: router not active: "+json(router, COMPACT_MAPPER));
             throw invalidEx("err.token.required");
         }
 
-        if (!router.hasAuthToken()) throw invalidEx("err.token.required");
-        router.setToken(router.getAuth_token());
-
         log.info("setReferences: FlexRouter=\n"+json(router)+"\n");
         return super.setReferences(ctx, req, caller, router);
     }