key := types.NamespacedName{Name: pod.Name, Namespace: pod.Namespace}
	// We will get an event every time the pod changes. The repair is not instantaneous, though -- it will only recover
	// once the pod restarts (in CrashLoopBackoff), which can take some time.
	// We don't want to constantly try to apply the iptables rules, which is unneeded and will fail.
	// Instead, we track which UIDs we repaired and skip them if already repaired.

    - it also sets up a UDS socket for istio-cni to send logs to this container.
    - based on config, it may run the 'repair' controller that detects pods where istio setup fails and restarts them, or created in corner cases.
    - if ambient is enabled, also runs an ambient controller, watching Pod, Namespace

- `istio-cni`
    - CNI plugin executable copied to `/opt/cni/bin`

  # and validating resources cluster-wide
  istioctl tag set default --revision 1-8-1

  # Rollout namespace "test-ns" to update workloads to the "1-8-1" revision
  kubectl rollout restart deployments -n test-ns
`,
		SuggestFor: []string{"create"},
		Args: func(cmd *cobra.Command, args []string) error {
			if len(args) == 0 {
				return fmt.Errorf("must provide a tag for modification")
			}

  // that should be running the daemon pod (i.e. status.desiredNumberScheduled)
  // can have their pods stopped for an update at any given time. The update
  // starts by stopping at most 30% of those DaemonSet pods and then brings
  // up new DaemonSet pods in their place. Once the new pods are available,
  // it then proceeds onto other DaemonSet pods, thus ensuring that at least

// scheduling guarantees, and they will not be restarted when they exit or when a Pod is
// removed or restarted. The kubelet may evict a Pod if an ephemeral container causes the
// Pod to exceed its resource allocation.
//
// To add an ephemeral container, use the ephemeralcontainers subresource of an existing
// Pod. Ephemeral containers may not be removed or restarted.
message EphemeralContainer {

	switch event.Event {
	case controllers.EventAdd:
		// pod was added to our cache
		// we get here in 2 cases:
		// 1. new pod was created on our node
		// 2. we were restarted and current existing pods are added to our cache

		// We have no good way to distinguish between these two cases from here. But we don't need to!
		// Existing pods will be handled by the dataplane using `GetAmbientPods`,

ail{cluster_name=\"xds-grpc\"}[1m]))", "format": "time_series", "hide": false, "intervalFactor": 1, "legendFormat": "XDS Connection Failures", "refId": "A" }, { "expr": "sum(increase(envoy_server_hot_restart_epoch[1m]))", "format": "time_series", "intervalFactor": 1, "legendFormat": "Envoy Restarts", "refId": "B" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "Envoy Details", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph",...

	if err != nil {
		return nil, fmt.Errorf("failed to resolve unix addr: %w", err)
	}
	// remove potentially existing address
	// Remove unix socket before use, if one is leftover from previous CNI restart
	if err := os.Remove(addr); err != nil && !os.IsNotExist(err) {
		// Anything other than "file not found" is an error.
		return nil, fmt.Errorf("failed to remove unix://%s: %w", addr, err)
	}

  // List of carps.
  // More info: http://kubernetes.io/docs/user-guide/carps
  repeated Carp items = 2;
}

// CarpSpec is a description of a carp
message CarpSpec {
  // Restart policy for all containers within the carp.
  // One of Always, OnFailure, Never.
  // Default to Always.
  // More info: http://kubernetes.io/docs/user-guide/carp-states#restartpolicy
  // +optional

	mux := http.NewServeMux()
	mux.HandleFunc(constants.UDSLogPath, l.handleLog)
	loggingServer := &http.Server{
		Handler: mux,
	}
	l.loggingServer = loggingServer
	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 {
	if sockAddress == "" {
		return nil
	}