func getDestRuleSubsets(subsets []*v1alpha3.Subset, podsLabels []klabels.Set) ([]string, []string) {
	matchingSubsets := make([]string, 0, len(subsets))
	nonmatchingSubsets := make([]string, 0, len(subsets))
	for _, subset := range subsets {
		subsetSelector := klabels.SelectorFromSet(subset.Labels)
		if matchesAnyPod(subsetSelector, podsLabels) {

message GroupVersion {
  optional string group = 1;

  optional string version = 2;
}

// GroupVersion contains the "group/version" and "version" string of a version.
// It is made a struct to keep extensibility.
message GroupVersionForDiscovery {
  // groupVersion specifies the API group and version in the form "group/version"
  optional string groupVersion = 1;