Functional test: TestPidFileAbortedStart (pid file race)
Functional test: TestPidFileAbortedStart (pid file race)

This test should catch more regression in the fix
https://github.com/coreos/rkt/pull/826

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