loggingOptions := istiolog.DefaultOptions()
	loggingOptions.JSONEncoding = true
	loggingOptions.WithTeeToUDS(udsSock, constants.UDSLogPath)
	assert.NoError(t, istiolog.Configure(loggingOptions))
	istiolog.FindScope("default").SetOutputLevel(istiolog.DebugLevel)
	istiolog.Debug("debug log")
	istiolog.Info("info log")
	istiolog.Warn("warn log")
	istiolog.Error("error log")
	istiolog.WithLabels("key", 2).Infof("with labels")

	l := &UDSLogger{}
	mux := http.NewServeMux()
	mux.HandleFunc(constants.UDSLogPath, l.handleLog)
	loggingServer := &http.Server{
		Handler: mux,
	}
	l.loggingServer = loggingServer
	pluginLog.SetOutputLevel(level)
	return l
}

// StartUDSLogServer starts up a UDS server which receives log reported from CNI network plugin.
func (l *UDSLogger) StartUDSLogServer(sockAddress string, stop <-chan struct{}) error {