func: static void vhost_net_stop_one(struct vhost_net *net,
  
                                 VirtIODevice *dev)
  
  {
  
      struct vhost_vring_file file = { .fd = -1 };
  
  
  
      if (!net->dev.started) {
  
          return;
  
      }
  
  
  
      if (net->nc->info->type == NET_CLIENT_OPTIONS_KIND_TAP) {
  
          for (file.index = 0; file.index < net->dev.nvqs; ++file.index) {
  
              const VhostOps *vhost_ops = net->dev.vhost_ops;
  
              int r = vhost_ops->vhost_call(&net->dev, VHOST_NET_SET_BACKEND,
  
                                            &file);
  
              assert(r >= 0);
  
          }
  
      }
  
      if (net->nc->info->poll) {
  
          net->nc->info->poll(net->nc, true);
  
      }
  
      vhost_dev_stop(&net->dev, dev);
  
      vhost_dev_disable_notifiers(&net->dev, dev);
  
  }
  