Serge, do you still have the following in your /etc/apparmor.d/abstractions/libvirt-qemu:
/usr/lib/pt_chown ix,
owner @{PROC}/[0-9]*/fd/ r,
owner @{PROC}/[0-9]*/fd/3 r,
I didn't see it in your attached libvirt-qemu file either, so I am slightly confused. Updating that file will require a full shutdown of the guest with the profile unloaded on guest shutdown (use 'sudo aa-status' to see). If you do have the above, then that could be why you aren't seeing the issue today (though, like I said, I could not reproduce).
Serge, do you still have the following in your /etc/apparmor. d/abstractions/ libvirt- qemu:
/usr/lib/pt_chown ix,
owner @{PROC}/[0-9]*/fd/ r,
owner @{PROC}/[0-9]*/fd/3 r,
I didn't see it in your attached libvirt-qemu file either, so I am slightly confused. Updating that file will require a full shutdown of the guest with the profile unloaded on guest shutdown (use 'sudo aa-status' to see). If you do have the above, then that could be why you aren't seeing the issue today (though, like I said, I could not reproduce).