},
		numErrs: 1,
	}, {
		name: "valid port headless",
		tweakSvc: func(s *core.Service) {
			s.Spec.Ports[0].Port = 11722
			s.Spec.Ports[0].TargetPort = intstr.FromInt32(11722)
			s.Spec.ClusterIP = core.ClusterIPNone
			s.Spec.ClusterIPs = []string{core.ClusterIPNone}
		},
		numErrs: 0,
	}, {
		name: "invalid port headless 1",
		tweakSvc: func(s *core.Service) {

    wraps an immutable `tf.Tensor` under the hood. A subset of NumPy functions
    (e.g. `numpy.add`) are provided. Their inter-operation with TF facilities is
    seamless in most cases. See
    [tensorflow/python/ops/numpy_ops/README.md](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/python/ops/numpy_ops/README.md)