dont save loglevel if it is unset
dont save loglevel if it is unset

Signed-off-by: Serge Hallyn <3df611b026e4639bee8aef7a4beb2e39fcebb313@ubuntu.com>

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