The pstree output helps shed some light on this bug. It looks like the portions of the guest session that are spawned upstart are properly confined. The portions spawned by systemd are not confined. I'm attaching the `pstree -Z guest-XXXXXX` output from a running yakkety guest session.
The pstree output helps shed some light on this bug. It looks like the portions of the guest session that are spawned upstart are properly confined. The portions spawned by systemd are not confined. I'm attaching the `pstree -Z guest-XXXXXX` output from a running yakkety guest session.