// configuration. This is an additional safety check inaddition to adding
	// cachesSynced logic to readiness probe to handle cases where kube-proxy
	// ip tables update latencies.
	// See https://github.com/istio/istio/issues/25495.
	if !s.IsServerReady() {
		return errors.New("server is not ready to serve discovery information")
	}

	ctx := stream.Context()
	peerAddr := "0.0.0.0"

	// Mutex to serialize new pod admission and existing pod resizing
	podResizeMutex sync.Mutex

	// OpenTelemetry Tracer
	tracer trace.Tracer

	// Track node startup latencies
	nodeStartupLatencyTracker util.NodeStartupLatencyTracker
}

// ListPodStats is delegated to StatsProvider, which implements stats.Provider interface

- Allow to monitor client-go DNS resolver latencies via `rest_client_dns_resolution_duration_seconds` Prometheus metric. ([#115357](https://github.com/kubernetes/kubernetes/pull/115357), [@mfojtik](https://github.com/mfojtik))