Add virtinst

Change-Id: I113929ce6e730ae1005be316adf437d45ebfcedf
Add create_vm and bridge

Change-Id: I598e2af946c3950e297521254484c00871d8076a
Tune boot options

Change-Id: Ibb6b92db477406f7323f008272fa46b62e4e1347
Add enroll vms

Change-Id: Ie846386cee0dbd920a8040a10106d811e81afdca