unmount_devfs should
unmount_devfs should be it's own function not part of stop() https://gitlab.com/Project-FiFo/FiFo/vmadm/blob/master/src/jails/mod.rs#L108
unmount_devfs should be it's own function not part of stop() https://gitlab.com/Project-FiFo/FiFo/vmadm/blob/master/src/jails/mod.rs#L108