stage1: bump coreos flavor to systemd v222
stage1: bump coreos flavor to systemd v222

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