if err != nil {
				return err.Error()
			}
			if httpProxy.GetRouteConfig() != nil {
				return describeRouteConfig(httpProxy.GetRouteConfig())
			}
			if httpProxy.GetRds().GetRouteConfigName() != "" {
				return fmt.Sprintf("Route: %s", httpProxy.GetRds().GetRouteConfigName())
			}
			return "HTTP"
		} else if filter.Name == TCPListener {
			if !strings.Contains(string(filter.GetTypedConfig().GetValue()), util.BlackHoleCluster) {

	}

	fd := int(netns.Fd())
	resp, err := latestConn.send(ctx, data, &fd)
	if err != nil {
		return err
	}

	if resp.GetAck().GetError() != "" {
		log.Errorf("add-workload: got ack error: %s", resp.GetAck().GetError())
		return fmt.Errorf("got ack error: %s", resp.GetAck().GetError())
	}
	return nil
}

// TODO ctx is unused here
// nolint: unparam

				continue
			}
			cds, lds, eds, rds, ecds := getSyncStatus(&clientConfig)
			cp := multixds.CpInfo(dr)
			fullStatus = append(fullStatus, &xdsWriterStatus{
				proxyID:               clientConfig.GetNode().GetId(),
				clusterID:             meta.ClusterID.String(),
				istiodID:              cp.ID,
				istiodVersion:         meta.IstioVersion,
				clusterStatus:         cds,
				listenerStatus:        lds,

	if err != nil {
		return nil, err
	}
	if filter != nil && !filter.Contains(uid) {
		return nil, nil
	}

	netns, err := proc.Open(netnsName)
	if err != nil {
		return nil, err
	}
	fd, err := GetFd(netns)
	if err != nil {
		netns.Close()
		return nil, err
	}
	netnsObserved[inode] = struct{}{}
	log.Debugf("found pod to netns: %s %d", uid, inode)

	return &PodNetnsEntry{
		uid:     uid,