status->status = tensorflow::DeviceFactory::AddDevices(
      opts->session_options.options, "/job:localhost/replica:0/task:0",
      &devices);
  if (!status->status.ok()) return nullptr;
  std::unique_ptr<tensorflow::DeviceMgr> device_mgr(
      new tensorflow::DynamicDeviceMgr(std::move(devices)));

  auto r = tsl::core::RefCountPtr<tensorflow::IntraProcessRendezvous>(
      new tensorflow::IntraProcessRendezvous(device_mgr.get()));