for _, l := range listenerDump.DynamicListeners {
		if l.ActiveState != nil && l.ActiveState.Listener != nil {
			listenerTyped := &listener.Listener{}
			// Support v2 or v3 in config dump. See ads.go:RequestedTypes for more info.
			l.ActiveState.Listener.TypeUrl = v3.ListenerType
			err = l.ActiveState.Listener.UnmarshalTo(listenerTyped)
			if err != nil {
				return nil, fmt.Errorf("unmarshal listener: %v", err)

  # Retrieve information about istiod logging levels on a specific control plane pod.
  istioctl admin l istiod-5c868d8bdd-pmvgg

  # Update levels of the specified loggers.
  istioctl admin log --level ads:debug,authorization:debug

  # Retrieve information about istiod logging levels for a specified revision.
  istioctl admin log --revision v1

  # Reset levels of all the loggers to default value (info).