client.Kube().CoreV1().ServiceAccounts("bar").Create(context.Background(), &v1.ServiceAccount{
					ObjectMeta: metav1.ObjectMeta{Namespace: "bar", Name: "vm-serviceaccount"},
					Secrets:    []v1.ObjectReference{{Name: "test"}},
				}, metav1.CreateOptions{})
				client.Kube().CoreV1().ConfigMaps("bar").Create(context.Background(), &v1.ConfigMap{
					ObjectMeta: metav1.ObjectMeta{Namespace: "bar", Name: "istio-ca-root-cert"},

  //   match for path p if every p is an element-wise prefix of p of the
  //   request path. Note that if the last element of the path is a substring
  //   of the last element in request path, it is not a match (e.g. /foo/bar
  //   matches /foo/bar/baz, but does not match /foo/barbaz).
  // * ImplementationSpecific: Interpretation of the Path matching is up to
  //   the IngressClass. Implementations can treat this as a separate PathType

	"istio.io/istio/pkg/test/util/assert"
)

func TestWithProcFs(t *testing.T) {
	n := NewPodNetnsProcFinder(fakeFs())
	pod := &corev1.Pod{ObjectMeta: metav1.ObjectMeta{
		Name:      "foo",
		Namespace: "bar",
		UID:       types.UID("863b91d4-4b68-4efa-917f-4b560e3e86aa"),
	}}
	podUIDNetns, err := n.FindNetnsForPods(map[types.UID]*corev1.Pod{
		pod.UID: pod,
	})
	if err != nil {
		panic(err)
	}

  //   match for path p if every p is an element-wise prefix of p of the
  //   request path. Note that if the last element of the path is a substring
  //   of the last element in request path, it is not a match (e.g. /foo/bar
  //   matches /foo/bar/baz, but does not match /foo/barbaz).
  // * ImplementationSpecific: Interpretation of the Path matching is up to
  //   the IngressClass. Implementations can treat this as a separate PathType

		return err
	}

	tag, err := GetTagVersion(operatorVer.OperatorVersionString)
	if err != nil {
		return fmt.Errorf("fetch Istio version: %v", err)
	}

	// return warning if current date is near the EOL date
	if operatorVer.IsEOL() {
		warnMarker := color.New(color.FgYellow).Add(color.Italic).Sprint("WARNING:")

Because Ztunnel can have Istio semantics baked in, we do not need to encode all this information on the wire.
Instead, an Istio specific field like `ExpectedTLSIdentity: spiffe://foo.bar` can encode the same information, at a fraction of the cost.

In our testing, even the most generous representations give custom types a 10x edge (in size, allocations, and CPU time) over Envoy types.