XdsUdsPath:            filepath.Join(dir, "XDS"),
		DownstreamGrpcOptions: opts,
	}, secOpts, envoy.ProxyConfig{TestOnly: true})
	t.Cleanup(func() {
		ia.Close()
	})
	proxy, err := initXdsProxy(ia)
	if err != nil {
		t.Fatalf("Failed to initialize xds proxy %v", err)
	}
	ia.xdsProxy = proxy

	return proxy
}

func setDialOptions(p *XdsProxy, l *bufconn.Listener) {

		log.Info("Workload SDS socket not found. Starting Istio SDS Server")
		err = a.initSdsServer()
		if err != nil {
			return nil, fmt.Errorf("failed to start SDS server: %v", err)
		}
	}
	a.xdsProxy, err = initXdsProxy(a)
	if err != nil {
		return nil, fmt.Errorf("failed to start xds proxy: %v", err)
	}
	if a.cfg.ProxyXDSDebugViaAgent {
		err = a.xdsProxy.initDebugInterface(a.cfg.ProxyXDSDebugViaAgentPort)
		if err != nil {

	istiodSAN             string
}

var proxyLog = log.RegisterScope("xdsproxy", "XDS Proxy in Istio Agent")

const (
	localHostIPv4 = "127.0.0.1"
	localHostIPv6 = "::1"
)

func initXdsProxy(ia *Agent) (*XdsProxy, error) {
	var err error
	localHostAddr := localHostIPv4
	if ia.cfg.IsIPv6 {
		localHostAddr = localHostIPv6
	}
	var envoyProbe ready.Prober
	if !ia.cfg.DisableEnvoy {