As background, adding libvirt-qemu user to the nova group was an attempt to make /var/lib/nova/* directories more restricted, but that proved to be difficult with ownership changes between changes nova and libvirt/qemu.
As background, adding libvirt-qemu user to the nova group was an attempt to make /var/lib/nova/* directories more restricted, but that proved to be difficult with ownership changes between changes nova and libvirt/qemu.