Fully rollback if creation of sandbox fails
Fully rollback if creation of sandbox fails

If there is an error part way through creating a sandbox, some
directories / files may get left partially created. Catch any
exception during creation, and invoke 'delete' to clean up any
work we have done so far

erenyagdiran/libvirt-sandbox,erenyagdiran/libvirt-sandbox,agx/libvirt-sandbox-debian,libvirt/libvirt-sandbox,gczarcinski/libvirt-sandbox,libvirt/libvirt-sandbox,agx/libvirt-sandbox-debian,agx/libvirt-sandbox-debian,kraman/libvirt-sandbox,gczarcinski/libvirt-sandbox,kraman/libvirt-sandbox,agx/libvirt-sandbox-debian,kraman/libvirt-sandbox,kraman/libvirt-sandbox,agx/libvirt-sandbox-debian,gczarcinski/libvirt-sandbox,gczarcinski/libvirt-sandbox,erenyagdiran/libvirt-sandbox,kraman/libvirt-sandbox,erenyagdiran/libvirt-sandbox,kraman/libvirt-sandbox,gczarcinski/libvirt-sandbox,libvirt/libvirt-sandbox,gczarcinski/libvirt-sandbox