Timeout: centralOpts.Timeout,
	}
	visited := make(map[string]bool)
	queryToOnePod := func(pod *v1.Pod) (*discovery.DiscoveryResponse, error) {
		fw, err := kubeClient.NewPortForwarder(pod.Name, pod.Namespace, "localhost", 0, 15004)
		if err != nil {
			return nil, err
		}
		err = fw.Start()
		if err != nil {
			return nil, err
		}
		defer fw.Close()
		xdsOpts.Xds = fw.Address()
		// Use plaintext.