stage1: make getOwnCgroupPath() more robust
stage1: make getOwnCgroupPath() more robust

s-urbaniak/rkt,rot26/rkt,tmrts/rkt,rhvgoyal/rkt,alban/rkt,squaremo/rkt,mike1729/rkt,sinfomicien/rkt,fdserr/rkt,jakon89/rkt,krnowak/rkt,lucasallan/rkt,michelangelo13/rkt,smarvin/rkt,jzelinskie/rkt,kbrwn/rkt,mike1729/rkt,lucasallan/rkt,tmrts/rkt,sgotti/rkt,liubq919/rkt,intelsdi-x/rkt,chrisseto/rkt,lee212/rkt,crawford/rkt,lee212/rkt,mike1729/rkt,blixtra/rkt,cab105/rkt,linki/rkt,dalanlan/rkt,dgonyeo/rkt,adfernandes/rkt,jzelinskie/rkt,tixxdz/rkt,jzelinskie/rkt,blixtra/rkt,ybubnov/rkt,ChengTiesheng/rkt,ChengTiesheng/rkt,monstermunchkin/rkt,MattDees/rkt,yifan-gu/rocket,alban/rkt,MattDees/rkt,markllama/rkt,sstabellini/rkt,il9ue/rkt,s-urbaniak/rkt,tv42/rkt,jjlakis/rkt,adfernandes/rkt,endocode/rkt,rkt/rkt,jasonchaffee/rkt,dgonyeo/rkt,yifan-gu/rocket,luebken/rkt,tv42/rkt,lee212/rkt,sgotti/rkt,euank/rkt,nhlfr/rkt,iaguis/rkt,marineam/rkt,intelsdi-x/rkt,matthaias/rkt,euank/rkt,michelangelo13/rkt,mjg59/rkt,rkt/rkt,mjg59/rkt,joshix/rkt,endocode/rkt,nhlfr/rkt,alexhersh/rkt,ybubnov/rkt,rot26/rkt,matthaias/rkt,achanda/rkt,luebken/rkt,nhlfr/rkt,wparad/rkt,rkt/rkt,squaremo/rkt,maquanyi/rkt,bsmr-go/rkt,shobhit85/rkt,coreos/rkt,mjg59/rkt,joshix/rkt,intfrr/rkt,yifan-gu/rocket,jonboulle/rkt,lucasallan/rkt,euank/rkt,shobhit85/rkt,liubq919/rkt,dalanlan/rkt,iaguis/rkt,fdserr/rkt,endocode/rkt,Yhgenomics/rkt,yifan-gu/rkt,ybubnov/rkt,liugenping/rkt,joshix/rkt,michelangelo13/rkt,squeed/rkt,chrisseto/rkt,wparad/rkt,lucasallan/rkt,s-urbaniak/rkt,jjlakis/rkt,sstabellini/rkt,Shashwatsh/rkt,yifan-gu/rkt,iankronquist/rkt,bsmr-go/rkt,achanda/rkt,crawford/rkt,marineam/rkt,alexhersh/rkt,yifan-gu/rkt,sinfomicien/rkt,maquanyi/rkt,il9ue/rkt,kinvolk/rkt,kinvolk/rkt,squaremo/rkt,shobhit85/rkt,ChengTiesheng/rkt,marineam/rkt,dalanlan/rkt,jakon89/rkt,rkt/rkt,iankronquist/rkt,akshaykarle/rkt,intfrr/rkt,markllama/rkt,maquanyi/rkt,dgonyeo/rkt,Yhgenomics/rkt,tixxdz/rkt,krnowak/rkt,chrisseto/rkt,jonboulle/rkt,adfernandes/rkt,matthaias/rkt,rhvgoyal/rkt,fdserr/rkt,linki/rkt,Shashwatsh/rkt,liugenping/rkt,squeed/rkt,iankronquist/rkt,luebken/rkt,linki/rkt,cab105/rkt,markllama/rkt,smarvin/rkt,coreos/rkt,akshaykarle/rkt,blixtra/rkt,sstabellini/rkt,rot26/rkt,intfrr/rkt,krnowak/rkt,monstermunchkin/rkt,wparad/rkt,intelsdi-x/rkt,il9ue/rkt,jasonchaffee/rkt,sinfomicien/rkt,MattDees/rkt,rhvgoyal/rkt,Yhgenomics/rkt,alban/rkt,kbrwn/rkt,iaguis/rkt,jonboulle/rkt,bsmr-go/rkt,joshix/rkt,jasonchaffee/rkt,jjlakis/rkt,tv42/rkt,Wilybald/rkt,sgotti/rkt,jakon89/rkt,coreos/rkt,crawford/rkt,Wilybald/rkt,kinvolk/rkt,kinvolk/rkt,smarvin/rkt,liubq919/rkt,monstermunchkin/rkt,alexhersh/rkt,Shashwatsh/rkt,tmrts/rkt,Wilybald/rkt,tixxdz/rkt,Wilybald/rkt,squeed/rkt,kbrwn/rkt,cab105/rkt,liugenping/rkt,akshaykarle/rkt,achanda/rkt