I've contributed in the past to libvirt in order to support some Virtualbox features because some of our customers used VBox. It would have been handy to have

I've contributed in the past to libvirt in order to support some Virtualbox features because some of our customers used VBox. It would have been handy to have this in the past, and have all of our customers use some KVM VMs ;) Congrats for the work!