Operation: istio_route.GetRouteOperation(out, virtualService.Name, listenPort),
	}
	if in.Fault != nil || in.CorsPolicy != nil {
		out.TypedPerFilterConfig = make(map[string]*any.Any)
	}
	if in.Fault != nil {
		out.TypedPerFilterConfig[wellknown.Fault] = protoconv.MessageToAny(istio_route.TranslateFault(in.Fault))
	}
	if in.CorsPolicy != nil {

	if tcpWeightSum(r.BackendRefs) == 0 {
		// The spec requires us to reject connections when there are no >0 weight backends
		// We don't have a great way to do it. TODO: add a fault injection API for TCP?
		return &istio.TCPRoute{
			Route: []*istio.RouteDestination{{
				Destination: &istio.Destination{
					Host:   "internal.cluster.local",
					Subset: "zero-weight",