Do not use rescue when not neccesary in vmm
Do not use rescue when not neccesary in vmm

It makes ruby -wd unusable

(cherry picked from commit f6fa8d6a4ed94d2012235ff5b2ad894b1e9f969c)

abelCoronado93/one,OpenNebula/one,juanmont/one,ohamada/one,abelCoronado93/one,unistra/one,OpenNebula/one,baby-gnu/one,atodorov-storpool/one,hsanjuan/one,baby-gnu/one,unistra/one,juanmont/one,alvarosimon/one,juanmont/one,ohamada/one,ohamada/one,abelCoronado93/one,atodorov-storpool/one,atodorov-storpool/one,hsanjuan/one,unistra/one,unistra/one,goberle/one,atodorov-storpool/one,alvarosimon/one,juanmont/one,ohamada/one,ohamada/one,OpenNebula/one,atodorov-storpool/one,goberle/one,ohamada/one,juanmont/one,alvarosimon/one,abelCoronado93/one,OpenNebula/one,ohamada/one,goberle/one,juanmont/one,hsanjuan/one,OpenNebula/one,unistra/one,OpenNebula/one,abelCoronado93/one,hsanjuan/one,alvarosimon/one,alvarosimon/one,abelCoronado93/one,OpenNebula/one,hsanjuan/one,goberle/one,baby-gnu/one,baby-gnu/one,goberle/one,OpenNebula/one,baby-gnu/one,goberle/one,abelCoronado93/one,juanmont/one,atodorov-storpool/one,hsanjuan/one,atodorov-storpool/one,alvarosimon/one,unistra/one,ohamada/one,abelCoronado93/one,goberle/one,baby-gnu/one,hsanjuan/one,unistra/one,atodorov-storpool/one,alvarosimon/one,goberle/one,OpenNebula/one,baby-gnu/one,atodorov-storpool/one,juanmont/one,alvarosimon/one,unistra/one,baby-gnu/one,juanmont/one,hsanjuan/one