Keep veth.pair.name on network shutdown
Keep veth.pair.name on network shutdown

In case of a container that is rebooting, freeing veth.pair.name here results in losing given veth.pair name
(Only if given lxc_netdev is reused).

Signed-off-by: Torsten Fohrer <9bfb17e685f99128532f047d2d2aae0e093b6b17@googlemail.com>

GreatFruitOmsk/lxc,thmo/lxc,thmo/lxc,terceiro/lxc,hallyn/lxc,ss1h2a3tw/lxc,ss1h2a3tw/lxc,terceiro/lxc,federicobriata/lxc,aeris/lxc,federicobriata/lxc,aeris/lxc,LynxChaus/lxc,caglar10ur/lxc,GreatFruitOmsk/lxc,federicobriata/lxc,ss1h2a3tw/lxc,caglar10ur/lxc,aeris/lxc,caglar10ur/lxc,LynxChaus/lxc,thmo/lxc,hallyn/lxc,hallyn/lxc,terceiro/lxc,GreatFruitOmsk/lxc,LynxChaus/lxc