Ensure resolvconf is installed
Ensure resolvconf is installed

On some ubuntu images resolvconf is not installed so ensure that it is
before calling it.

pgraziano/ursula,rongzhus/ursula,persistent-ursula/ursula,persistent-ursula/ursula,edtubillara/ursula,lihkin213/ursula,channus/ursula,lihkin213/ursula,wupeiran/ursula,zrs233/ursula,fancyhe/ursula,ryshah/ursula,blueboxgroup/ursula,narengan/ursula,rongzhus/ursula,zrs233/ursula,wupeiran/ursula,twaldrop/ursula,channus/ursula,panxia6679/ursula,davidcusatis/ursula,sivakom/ursula,persistent-ursula/ursula,sivakom/ursula,j2sol/ursula,fancyhe/ursula,zrs233/ursula,blueboxgroup/ursula,fancyhe/ursula,j2sol/ursula,masteinhauser/ursula,channus/ursula,blueboxgroup/ursula,twaldrop/ursula,ryshah/ursula,edtubillara/ursula,ddaskal/ursula,davidcusatis/ursula,nirajdp76/ursula,davidcusatis/ursula,panxia6679/ursula,ddaskal/ursula,ryshah/ursula,rongzhus/ursula,j2sol/ursula,persistent-ursula/ursula,narengan/ursula,edtubillara/ursula,wupeiran/ursula,msambol/ursula,j2sol/ursula,fancyhe/ursula,sivakom/ursula,pgraziano/ursula,masteinhauser/ursula,knandya/ursula,edtubillara/ursula,wupeiran/ursula,channus/ursula,panxia6679/ursula,panxia6679/ursula,msambol/ursula,narengan/ursula,lihkin213/ursula,msambol/ursula,nirajdp76/ursula,nirajdp76/ursula,twaldrop/ursula,twaldrop/ursula,lihkin213/ursula,masteinhauser/ursula,zrs233/ursula,blueboxgroup/ursula,ryshah/ursula,knandya/ursula,ddaskal/ursula,masteinhauser/ursula,rongzhus/ursula,ddaskal/ursula,knandya/ursula,pgraziano/ursula,narengan/ursula,pgraziano/ursula,knandya/ursula,nirajdp76/ursula