if attr.GetSubresource() != "" {
		return nil
	}
	// ignore all operations that are not namespaced or creation of namespaces
	if attr.GetNamespace() == "" || isNamespaceCreation(attr) {
		return nil
	}
	return a.evaluator.Evaluate(attr)
}

func isNamespaceCreation(attr admission.Attributes) bool {
	return attr.GetOperation() == admission.Create && attr.GetKind().GroupKind() == namespaceGVK