// Write non-request fields specific to the instance
	out := &strings.Builder{}
	echo.StatusCodeField.Write(out, strconv.Itoa(http.StatusOK))
	echo.ClusterField.WriteNonEmpty(out, s.Cluster)
	echo.IstioVersionField.WriteNonEmpty(out, s.IstioVersion)
	echo.NamespaceField.WriteNonEmpty(out, s.Namespace)
	echo.ServiceVersionField.Write(out, s.Version)
	echo.ServicePortField.Write(out, strconv.Itoa(s.Port.Port))
	echo.IPField.Write(out, ip)

	// Write non-request fields specific to the instance
	out := &strings.Builder{}
	echo.StatusCodeField.Write(out, strconv.Itoa(http.StatusOK))
	echo.ClusterField.WriteNonEmpty(out, s.Cluster)
	echo.IstioVersionField.WriteNonEmpty(out, s.IstioVersion)
	echo.NamespaceField.WriteNonEmpty(out, s.Namespace)
	echo.ServiceVersionField.Write(out, s.Version)
	echo.ServicePortField.Write(out, strconv.Itoa(s.Port.Port))
	echo.IPField.Write(out, ip)

	echo.ServiceVersionField.Write(&body, h.Version)
	echo.ServicePortField.Write(&body, strconv.Itoa(portNumber))
	echo.ClusterField.WriteNonEmpty(&body, h.Cluster)
	echo.NamespaceField.WriteNonEmpty(&body, h.Namespace)
	echo.IPField.Write(&body, ip)
	echo.IstioVersionField.WriteNonEmpty(&body, h.IstioVersion)
	echo.ProtocolField.Write(&body, "GRPC")
	echo.Field("Echo").Write(&body, req.GetMessage())

	// Use raw path, we don't want golang normalizing anything since we use this for testing purposes
	echo.URLField.Write(body, r.RequestURI)
	echo.ClusterField.WriteNonEmpty(body, h.Cluster)
	echo.IstioVersionField.WriteNonEmpty(body, h.IstioVersion)
	echo.NamespaceField.WriteNonEmpty(body, h.Namespace)

	echo.MethodField.Write(body, r.Method)
	echo.ProtocolField.Write(body, r.Proto)
	ip, _, _ := net.SplitHostPort(r.RemoteAddr)

type Field string

func (f Field) String() string {
	return string(f)
}

func (f Field) Write(out io.StringWriter, value string) {
	_, _ = out.WriteString(fmt.Sprintf("%s=%s\n", f, value))
}

func (f Field) WriteNonEmpty(out io.StringWriter, value string) {
	if value != "" {
		_, _ = out.WriteString(fmt.Sprintf("%s=%s\n", f, value))
	}
}

func (f Field) WriteKeyValue(out io.StringWriter, key, value string) {