func: void qemu_net_queue_purge(NetQueue *queue, NetClientState *from)
  
  {
  
      NetPacket *packet, *next;
  
  
  
      QTAILQ_FOREACH_SAFE(packet, &queue->packets, entry, next) {
  
          if (packet->sender == from) {
  
              QTAILQ_REMOVE(&queue->packets, packet, entry);
  
  
              g_free(packet);
  
          }
  
      }
  
  }