listeners := make([]*listener.Listener, 0)
	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 {