addr := ep.GetEndpoint().GetAddress()
	if addr := addr.GetSocketAddress(); addr != nil {
		return addr.Address + ":" + strconv.Itoa(int(addr.GetPortValue()))
	}
	if addr := addr.GetPipe(); addr != nil {
		return addr.GetPath()
	}
	if internal := addr.GetEnvoyInternalAddress(); internal != nil {
		switch an := internal.GetAddressNameSpecifier().(type) {
		case *core.EnvoyInternalAddress_ServerListenerName:

		version      = buildVersion.GetVersion()
		md           = buildVersion.GetMetadata().GetFields()

		sb strings.Builder
	)

	fmt.Fprintf(&sb, "%d.%d.%d", version.GetMajorNumber(), version.GetMinorNumber(), version.GetPatch())
	if label, ok := md[buildLabelKey]; ok {
		fmt.Fprintf(&sb, "-%s", label.GetStringValue())
	}
	if status, ok := md[statusKey]; ok {
		fmt.Fprintf(&sb, "/%s", status.GetStringValue())
	}