result.Error = ErrProtocolError
			return
		}

		// Fetch inline route
		rc := hcm.GetRouteConfig()
		if rc == nil {
			// If not set, fallback to RDS
			routeName := hcm.GetRds().RouteConfigName
			result.RouteConfigMatched = routeName
			rc = xdstest.ExtractRouteConfigurations(sim.Routes)[routeName]
		}
		hostHeader := ""
		if len(input.Headers["Host"]) > 0 {