Don't requeue MachinePool controller when nodes don't have Provider I…

…Ds yet

exp/internal/controllers/machinepool_controller_noderef.go

@@ -86,7 +86,8 @@ func (r *MachinePoolReconciler) reconcileNodeRefs(ctx context.Context, cluster *
 	if err != nil {
 		if err == errNoAvailableNodes {
 			log.Info("Cannot assign NodeRefs to MachinePool, no matching Nodes")
-			return ctrl.Result{RequeueAfter: 10 * time.Second}, nil
+			// No need to requeue here. Nodes emit an event that triggers reconciliation.
+			return ctrl.Result{}, nil
 		}
 		r.recorder.Event(mp, corev1.EventTypeWarning, "FailedSetNodeRef", err.Error())
 		return ctrl.Result{}, errors.Wrapf(err, "failed to get node references")