use a default per-container logfile
use a default per-container logfile

log_open: make sure the parent directory for logfiles

Signed-off-by: Serge Hallyn <3df611b026e4639bee8aef7a4beb2e39fcebb313@ubuntu.com>
Acked-by: Stéphane Graber <089afc6d81f66f1168a9849e15660feae286e024@ubuntu.com>

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