"name": "internal_upstream",
              "typed_config": {
                "@type": "type.googleapis.com/envoy.extensions.transport_sockets.internal_upstream.v3.InternalUpstreamTransport",
                "passthrough_metadata": [
                  {
                    "kind": {
                      "host": {}
                    },
                    "name": "envoy.filters.listener.original_dst"
                  }