code: func (e *endpointImpl) preStartContainer(devs []string) (*pluginapi.PreStartContainerResponse, error) {
  	if e.isStopped() {
  		return nil, fmt.Errorf(errEndpointStopped, e)
  	}
  	ctx, cancel := context.WithTimeout(context.Background(), pluginapi.KubeletPreStartContainerRPCTimeoutInSecs*time.Second)
  	defer cancel()
  	return e.client.PreStartContainer(ctx, &pluginapi.PreStartContainerRequest{
  		DevicesIDs: devs,
  	})
  }
docs: // preStartContainer issues PreStartContainer gRPC call to the device plugin.