code: private void checkUnready() {
      if (!allReady()) {
        log.debug(String.format("%s - Components not ready, pausing components", NetworkManager.this));
        data.remove(currentContext.address(), new Handler<AsyncResult<String>>() {
          @Override
          public void handle(AsyncResult<String> result) {
            if (result.failed()) {
              log.error(result.cause());
            }
          }
        });
      }
    }
docs: Checks whether the network is unready.