Raise exception when getting Container instance as non-root in python3-lxc
Raise exception when getting Container instance as non-root in python3-lxc

The liblxc API currently doesn't work as non-root, so check that the euid
is 0 when getting a Container instance in the python API.

Signed-off-by: Stéphane Graber <089afc6d81f66f1168a9849e15660feae286e024@ubuntu.com>

fwilson42/lxc,regit/lxc,bostjan/lxc,virajs/lxc,cjwatson/lxc,rldleblanc/lxc,hallyn/lxc,DarknessBeforeDawn/lxc,JohnPeacockMessageSystems/lxc,hfuCN/lxc,ojkastl/lxc_Patches,christiaan/lxc,glensc/lxc,GreatFruitOmsk/lxc,Pelagicore/lxc,lazy404/lxc,hfuCN/lxc,ksperis/lxc,terceiro/lxc,codebauss/lxc,raspberrypython/lxc,GreatFruitOmsk/lxc,jirislaby/lxc,QingweiPeterLan/cs188-lxc,ojkastl/lxc_Patches,ysbnim/lxc,yubo/lxc,fwilson42/lxc,virajs/lxc,DarknessBeforeDawn/lxc,smoser/lxc,ksperis/lxc,ioops/lxc,fwilson42/lxc,ecarrara/lxc,GreatFruitOmsk/lxc,jirislaby/lxc,Distrotech/lxc,caglar10ur/lxc,Ponce/lxc,ysbnim/lxc,bmoar/lxc,yubo/lxc,abstrakraft/lxc-android-lxc,virajs/lxc,sapun/lxc,JohnPeacockMessageSystems/lxc,smoser/lxc,akshaykarle/lxc,QingweiPeterLan/cs188-lxc,lisongmin/lxc,rowhit/lxc,smoser/lxc,rldleblanc/lxc,abstrakraft/lxc-android-lxc,glensc/lxc,akshaykarle/lxc,bmoar/lxc,hkjolhede/lxc,armcc/lxc,tych0/lxc,hkjolhede/lxc,raspberrypython/lxc,weizhenwei/lxc,tych0/lxc,Distrotech/lxc,bmoar/lxc,tych0/lxc,efiop/lxc,aeris/lxc,ojkastl/lxc_Patches,ojkastl/lxc_Patches,thmo/lxc,sapun/lxc,LynxChaus/lxc,hfuCN/lxc,caglar10ur/lxc,ecarrara/lxc,federicobriata/lxc,Pelagicore/lxc,JohnPeacockMessageSystems/lxc,LynxChaus/lxc,ioops/lxc,LynxChaus/lxc,cjwatson/lxc,lazy404/lxc,aeris/lxc,thmo/lxc,armcc/lxc,hallyn/lxc,akshaykarle/lxc,thmo/lxc,szaszg/lxc,federicobriata/lxc,hkjolhede/lxc,yubo/lxc,jirislaby/lxc,szaszg/lxc,terceiro/lxc,armcc/lxc,lisongmin/lxc,weizhenwei/lxc,ecarrara/lxc,ksperis/lxc,regit/lxc,hallyn/lxc,rldleblanc/lxc,christiaan/lxc,regit/lxc,codebauss/lxc,Ponce/lxc,ss1h2a3tw/lxc,Pelagicore/lxc,terceiro/lxc,DarknessBeforeDawn/lxc,abstrakraft/lxc-android-lxc,QingweiPeterLan/cs188-lxc,Distrotech/lxc,caglar10ur/lxc,bostjan/lxc,Ponce/lxc,major/lxc,raspberrypython/lxc,lisongmin/lxc,codebauss/lxc,bostjan/lxc,federicobriata/lxc,lazy404/lxc,sapun/lxc,szaszg/lxc,christiaan/lxc,efiop/lxc,major/lxc,abstrakraft/lxc-android-lxc,cjwatson/lxc,ss1h2a3tw/lxc,ysbnim/lxc,smoser/lxc,weizhenwei/lxc,glensc/lxc,efiop/lxc,aeris/lxc,rowhit/lxc,major/lxc,rowhit/lxc,ioops/lxc,ss1h2a3tw/lxc