Comment 30 for bug 1927519

The documented testcase for this issue also LGTM.

Bionic
root@b:~# virsh dominfo f
Id: -
Name: f
UUID: 18ad0964-736e-4c8d-869b-13083e66beca
OS Type: hvm
State: shut off
CPU(s): 1
Max memory: 524288 KiB
Used memory: 524288 KiB
Persistent: yes
Autostart: disable
Managed save: no
Security model: apparmor
Security DOI: 0

root@b:~# cat /dev/null | sudo tee /etc/apparmor.d/libvirt/libvirt-18ad0964-736e-4c8d-869b-13083e66beca
root@b:~# ll /etc/apparmor.d/libvirt/libvirt-18ad0964-736e-4c8d-869b-13083e66beca
-rw-r--r-- 1 root root 0 Nov 23 11:31 /etc/apparmor.d/libvirt/libvirt-18ad0964-736e-4c8d-869b-13083e66beca
root@b:~# virsh start f
Domain f started

Focal
root@f:~# virsh dominfo f
Id: -
Name: f
UUID: f4c2021f-14bf-4e04-af31-0667908320f1
OS Type: hvm
State: shut off
CPU(s): 1
Max memory: 524288 KiB
Used memory: 524288 KiB
Persistent: yes
Autostart: disable
Managed save: no
Security model: apparmor
Security DOI: 0

root@f:~# cat /dev/null | sudo tee /etc/apparmor.d/libvirt/libvirt-f4c2021f-14bf-4e04-af31-0667908320f1
root@f:~# ll /etc/apparmor.d/libvirt/libvirt-f4c2021f-14bf-4e04-af31-0667908320f1
-rw-r--r-- 1 root root 0 Nov 23 11:31 /etc/apparmor.d/libvirt/libvirt-f4c2021f-14bf-4e04-af31-0667908320f1
root@f:~# virsh start f
Domain f started

Hirsute
root@h:~# virsh dominfo f
Id: -
Name: f
UUID: 1ceac8db-c1e9-40b2-8ada-a60349454fc1
OS Type: hvm
State: shut off
CPU(s): 1
Max memory: 524288 KiB
Used memory: 524288 KiB
Persistent: yes
Autostart: disable
Managed save: no
Security model: apparmor
Security DOI: 0

root@h:~# cat /dev/null | sudo tee /etc/apparmor.d/libvirt/libvirt-1ceac8db-c1e9-40b2-8ada-a60349454fc1
root@h:~# ll /etc/apparmor.d/libvirt/libvirt-1ceac8db-c1e9-40b2-8ada-a60349454fc1
-rw-r--r-- 1 root root 0 Nov 23 11:31 /etc/apparmor.d/libvirt/libvirt-1ceac8db-c1e9-40b2-8ada-a60349454fc1
root@h:~# virsh start f
Domain 'f' started

Impish
root@i:~# virsh dominfo f
Id: -
Name: f
UUID: c2cf5436-c7c3-402e-9593-ad7dca047ceb
OS Type: hvm
State: shut off
CPU(s): 1
Max memory: 524288 KiB
Used memory: 524288 KiB
Persistent: yes
Autostart: disable
Managed save: no
Security model: apparmor
Security DOI: 0

root@i:~# cat /dev/null | sudo tee /etc/apparmor.d/libvirt/libvirt-c2cf5436-c7c3-402e-9593-ad7dca047ceb
root@i:~# ll /etc/apparmor.d/libvirt/libvirt-ll /etc/apparmor.d/libvirt/libvirt-c2cf5436-c7c3-402e-9593-ad7dca047ceb
ls: cannot access '/etc/apparmor.d/libvirt/libvirt-ll': No such file or directory
-rw-r--r-- 1 root root 0 Nov 23 11:31 /etc/apparmor.d/libvirt/libvirt-c2cf5436-c7c3-402e-9593-ad7dca047ceb
root@i:~# virsh start f
Domain 'f' started

Almost all complete, scheduling general regression tests now.