Name
unregister_netdev — 
     remove device from the kernel
 
Synopsis
| void unregister_netdev ( | struct net_device * dev ); | 
 
Description
   This function shuts down a device interface and removes it
   from the kernel tables.
   
   This is just a wrapper for unregister_netdevice that takes
   the rtnl semaphore.  In general you want to use this and not
   unregister_netdevice.