stage1: prepare-app: unlink /dev/ptmx symlink when it exists
stage1: prepare-app: unlink /dev/ptmx symlink when it exists

mattthias/pkg-rkt,s-urbaniak/rkt,jakon89/rkt,ramitsurana/rkt,dalanlan/rkt,Wilybald/rkt,ybubnov/rkt,marineam/rkt,xnox/rkt,mjg59/rkt,monstermunchkin/rkt,intfrr/rkt,liugenping/rkt,klizhentas/rkt,akshaykarle/rkt,ybubnov/rkt,joshix/rkt,klizhentas/rkt,cab105/rkt,markllama/rkt,intfrr/rkt,krnowak/rkt,liubq919/rkt,rhvgoyal/rkt,mjg59/rkt,sinfomicien/rkt,alban/rkt,jasonchaffee/rkt,kbrwn/rkt,dalanlan/rkt,clearlinux/rkt,endocode/rkt,intelsdi-x/rkt,sstabellini/rkt,MattDees/rkt,klizhentas/rkt,rkt/rkt,s-urbaniak/rkt,ChengTiesheng/rkt,yifan-gu/rocket,jasonchaffee/rkt,mike1729/rkt,wparad/rkt,marineam/rkt,yifan-gu/rkt,iankronquist/rkt,chrisseto/rkt,luebken/rkt,lsm5/rkt,blixtra/rkt,krnowak/rkt,tmrts/rkt,chrisseto/rkt,shobhit85/rkt,matthaias/rkt,lee212/rkt,krnowak/rkt,dgonyeo/rkt,lucasallan/rkt,shtouff/rkt,il9ue/rkt,wparad/rkt,tv42/rkt,jzelinskie/rkt,smarvin/rkt,michelangelo13/rkt,alexhersh/rkt,tmrts/rkt,tixxdz/rkt,jonboulle/rkt,Shashwatsh/rkt,matthaias/rkt,squaremo/rkt,xnox/rkt,iankronquist/rkt,Yhgenomics/rkt,intelsdi-x/rkt,kinvolk/rkt,il9ue/rkt,sstabellini/rkt,crawford/rkt,joshix/rkt,crawford/rkt,mike1729/rkt,akshaykarle/rkt,rot26/rkt,alexhersh/rkt,endocode/rkt,Wilybald/rkt,jonboulle/rkt,fdserr/rkt,sinfomicien/rkt,rkt/rkt,squeed/rkt,Wilybald/rkt,nhlfr/rkt,mjg59/rkt,chrisseto/rkt,linki/rkt,wparad/rkt,iaguis/rkt,kinvolk/rkt,ChengTiesheng/rkt,Wilybald/rkt,intfrr/rkt,squaremo/rkt,jonboulle/rkt,tv42/rkt,bsmr-go/rkt,ramitsurana05/rkt,MattDees/rkt,yifan-gu/rkt,monstermunchkin/rkt,lsm5/rkt,sgotti/rkt,mattthias/pkg-rkt,yifan-gu/rocket,shobhit85/rkt,dalanlan/rkt,markllama/rkt,monstermunchkin/rkt,sstabellini/rkt,lucasallan/rkt,sgotti/rkt,blixtra/rkt,iaguis/rkt,yifan-gu/rocket,euank/rkt,lsm5/rkt,xnox/rkt,nhlfr/rkt,cab105/rkt,liugenping/rkt,Yhgenomics/rkt,alban/rkt,sgotti/rkt,maquanyi/rkt,luebken/rkt,tixxdz/rkt,liubq919/rkt,squeed/rkt,Shashwatsh/rkt,jakon89/rkt,lee212/rkt,marineam/rkt,jzelinskie/rkt,crawford/rkt,achanda/rkt,michelangelo13/rkt,akshaykarle/rkt,achanda/rkt,bsmr-go/rkt,euank/rkt,markllama/rkt,smarvin/rkt,clearlinux/rkt,euank/rkt,tmrts/rkt,matthaias/rkt,ybubnov/rkt,s-urbaniak/rkt,jjlakis/rkt,adfernandes/rkt,il9ue/rkt,iaguis/rkt,rhvgoyal/rkt,MabinGo/rkt,shtouff/rkt,linki/rkt,rot26/rkt,luebken/rkt,ramitsurana05/rkt,intelsdi-x/rkt,dgonyeo/rkt,jzelinskie/rkt,squaremo/rkt,ramitsurana05/rkt,kinvolk/rkt,jjlakis/rkt,mattthias/pkg-rkt,yifan-gu/rkt,joshix/rkt,adfernandes/rkt,cab105/rkt,nhlfr/rkt,coreos/rkt,maquanyi/rkt,bsmr-go/rkt,lee212/rkt,achanda/rkt,Shashwatsh/rkt,rkt/rkt,adfernandes/rkt,michelangelo13/rkt,liugenping/rkt,kbrwn/rkt,ramitsurana/rkt,iankronquist/rkt,squeed/rkt,MabinGo/rkt,endocode/rkt,dgonyeo/rkt,fdserr/rkt,sinfomicien/rkt,Yhgenomics/rkt,jjlakis/rkt,tixxdz/rkt,lucasallan/rkt,clearlinux/rkt,maquanyi/rkt,kbrwn/rkt,rhvgoyal/rkt,ChengTiesheng/rkt,coreos/rkt,liubq919/rkt,alexhersh/rkt,kinvolk/rkt,linki/rkt,lucasallan/rkt,ramitsurana/rkt,fdserr/rkt,coreos/rkt,rot26/rkt,jasonchaffee/rkt,MabinGo/rkt,joshix/rkt,mike1729/rkt,smarvin/rkt,blixtra/rkt,rkt/rkt,tv42/rkt,jakon89/rkt,shtouff/rkt,alban/rkt,shobhit85/rkt,MattDees/rkt