LeaseDurationSeconds: pointer.Int32(40),
				RenewTime:            &metav1.MicroTime{Time: time.Now()},
			},
		}
		leaseWrongNS = &coordination.Lease{
			ObjectMeta: metav1.ObjectMeta{
				Name:      "mynode",
				Namespace: "foo",
			},
			Spec: coordination.LeaseSpec{
				HolderIdentity:       pointer.String("mynode"),
				LeaseDurationSeconds: pointer.Int32(40),
				RenewTime:            &metav1.MicroTime{Time: time.Now()},

	// take no action.
	observedLease, _ := nc.leaseLister.Leases(v1.NamespaceNodeLease).Get(node.Name)
	if observedLease != nil && (savedLease == nil || savedLease.Spec.RenewTime.Before(observedLease.Spec.RenewTime)) {
		nodeHealth.lease = observedLease
		nodeHealth.probeTimestamp = nc.now()
	}

	if nc.now().After(nodeHealth.probeTimestamp.Add(gracePeriod)) {