code: func (daemon *Daemon) UpdateAttachment(networkName, networkID, containerID string, config *network.NetworkingConfig) error {
  	if daemon.clusterProvider == nil {
  		return fmt.Errorf("cluster provider is not initialized")
  	}
  
  	if err := daemon.clusterProvider.UpdateAttachment(networkName, containerID, config); err != nil {
  		return daemon.clusterProvider.UpdateAttachment(networkID, containerID, config)
  	}
  
  	return nil
  }
docs: // UpdateAttachment notifies the attacher about the attachment config.