}
		}
		return nil
	}

	// If we reached here, it means that the node has no CIDR currently assigned. So we set it.
	for i := 0; i < cidrUpdateRetries; i++ {
		if err = nodeutil.PatchNodeCIDRs(ctx, r.client, types.NodeName(node.Name), cidrsString); err == nil {
			logger.Info("Set node PodCIDR", "node", klog.KObj(node), "podCIDRs", cidrsString)
			return nil
		}
	}
	// failed release back to the pool