},
			expectedErrs: field.ErrorList{field.Invalid(newPath.Child("ClusterCIDR"), "192.168.59.0", "must be a valid CIDR block (e.g. 10.100.0.0/16 or fde4:8dba:82e1::/48)")},
		},
		"Invalid number of ClusterCIDRs": {
			mutateConfigFunc: func(config *kubeproxyconfig.KubeProxyConfiguration) {
				config.ClusterCIDR = "192.168.59.0/24,fd00:192:168::/64,10.0.0.0/16"
			},

  * Fix problems with >2 security groups
* GCP:
  * Enable using gcr.io as a Docker registry mirror.
  * Make bigger master root disks in GCE for large clusters.
  * Change default clusterCIDRs from /16 to /14 allowing 1000 Node clusters by default.
  * Allow Debian Jessie on GCE.
  * Node problem detector addon pod detects and reports kernel deadlocks.
* OpenStack
  * Provider added.
* VSphere:

- Introduced NodeIPAM support for multiple ClusterCIDRs ([#2593](https://github.com/kubernetes/enhancements/issues/2593)) as an alpha feature.

          "type": "string"
        },
        "items": {
          "description": "items is the list of ClusterCIDRs.",
          "items": {
            "$ref": "#/definitions/io.k8s.api.networking.v1alpha1.ClusterCIDR"
          },
          "type": "array"
        },
        "kind": {