anchor.diff:  										ForceNew:         true,
   										ConflictsWith:    []string{"cluster_config.0.gce_cluster_config.0.subnetwork"},
   										DiffSuppressFunc: compareSelfLinkOrResourceName,
  +										Description:      `The name or self_link of the Google Compute Engine network to the cluster will be part of. Conflicts with subnetwork. If neither is specified, this defaults to the "default" network.`,
   									},
   
   									"subnetwork": {
  
positive.code: 							AtLeastOneOf: clusterConfigKeys,
  							Computed:     true,
  							MaxItems:     1,
  
  							Elem: &schema.Resource{
  								Schema: map[string]*schema.Schema{
  									"image_version": {
  
negative.code: 					Computed:     true,
  					AtLeastOneOf: instanceConfigKeys,
  					ForceNew:     true,
  					Description:  `The URI for the image to use for this master/worker`,
  				},
  
  				"machine_type": {
  