istioctl x waypoint delete --all --namespace default`,
		Args: func(cmd *cobra.Command, args []string) error {
			if deleteAll && len(args) > 0 {
				return fmt.Errorf("cannot specify waypoint names when deleting all waypoints")
			}
			if !deleteAll && len(args) == 0 {
				return fmt.Errorf("must either specify a waypoint name or delete all using --all")
			}
			return nil
		},

	defer func() {
		if e := recover(); e != nil {
			msg := fmt.Sprintf("istio-cni panicked during cmdAdd: %v\n%v", e, string(debug.Stack()))
			if err != nil {
				// If we're recovering and there was also an error, then we need to
				// present both.
				msg = fmt.Sprintf("%s: %v", msg, err)
			}
			err = fmt.Errorf(msg)
		}
		if err != nil {
			log.Errorf("istio-cni cmdAdd error: %v", err)
		}
	}()