fix cached rootfs update* fix rootfs path* add handling of systemd
fix cached rootfs update* fix rootfs path* add handling of systemd

Signed-off-by: InformatiQ <a5295a2091cabeb79b1d5df230fd8552d704bc86@informatiq.org>
Signed-off-by: Daniel Lezcano <3211518dd4d87cb3f7ee12cb52e14b7fb2bc0446@fr.ibm.com>

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