func ClustersCommand(ctx cli.Context) *cobra.Command {
	var opts clioptions.ControlPlaneOptions
	cmd := &cobra.Command{
		Use:   "remote-clusters",
		Short: "Lists the remote clusters each istiod instance is connected to.",
		RunE: func(cmd *cobra.Command, args []string) error {
			kubeClient, err := ctx.CLIClientWithRevision(opts.Revision)
			if err != nil {
				return err
			}

	or when the ztunnel pod is restarted in the same pod (remove old entries when the same uid connects again, but with different boot id?)

	save a queue of what needs to be sent to the ztunnel pod and send it one by one when it connects.

	when a new ztunnel connects with different uid, only propagate deletes to older ztunnels.
*/

type connMgr struct {
	connectionSet map[*ZtunnelConnection]struct{}

	mt := monitortest.New(t)
	setupLogging()
	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	fixture := connect(ctx)
	ztunClient := fixture.ztunClient
	uid := fixture.uid

	m, fds := readRequest(t, ztunClient)
	// we got am essage from ztun, so it should have observed us being connected
	mt.Assert(ztunnelConnected.Name(), nil, monitortest.Exactly(1))