vagrantfile: fix slow VM DNS
vagrantfile: fix slow VM DNS

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