Comment 8 for bug 1895967

Yeah and the comment above this function pointed the right way:

Good case (libvirt is enforced):
oot@testkvm-groovy-to:~# aa-status
apparmor module is loaded.
31 profiles are loaded.
31 profiles are in enforce mode.
   /snap/snapd/9279/usr/lib/snapd/snap-confine
   /snap/snapd/9279/usr/lib/snapd/snap-confine//mount-namespace-capture-helper
   /usr/bin/man
   /usr/lib/NetworkManager/nm-dhcp-client.action
   /usr/lib/NetworkManager/nm-dhcp-helper
   /usr/lib/connman/scripts/dhclient-script
   /usr/lib/snapd/snap-confine
   /usr/lib/snapd/snap-confine//mount-namespace-capture-helper
   /{,usr/}sbin/dhclient
   libvirtd
   libvirtd//qemu_bridge_helper
   lsb_release
   man_filter
   man_groff
   nvidia_modprobe
   nvidia_modprobe//kmod
   snap-update-ns.lxd
   snap.lxd.activate
   snap.lxd.benchmark
   snap.lxd.buginfo
   snap.lxd.check-kernel
   snap.lxd.daemon
   snap.lxd.hook.configure
   snap.lxd.hook.install
   snap.lxd.hook.remove
   snap.lxd.lxc
   snap.lxd.lxc-to-lxd
   snap.lxd.lxd
   snap.lxd.migrate
   tcpdump
   virt-aa-helper
0 profiles are in complain mode.
0 profiles are in kill mode.
0 profiles are in unconfined mode.
1 processes have profiles defined.
1 processes are in enforce mode.
   /usr/sbin/libvirtd (14751) libvirtd
0 processes are in complain mode.
0 processes are unconfined but have a profile defined.
0 processes are in mixed mode.
0 processes are in kill mode.

Bad case libvirt (and plenty of other things) are not confined:
# aa-status
apparmor module is loaded.
15 profiles are loaded.
15 profiles are in enforce mode.
   /snap/snapd/9279/usr/lib/snapd/snap-confine
   /snap/snapd/9279/usr/lib/snapd/snap-confine//mount-namespace-capture-helper
   snap-update-ns.lxd
   snap.lxd.activate
   snap.lxd.benchmark
   snap.lxd.buginfo
   snap.lxd.check-kernel
   snap.lxd.daemon
   snap.lxd.hook.configure
   snap.lxd.hook.install
   snap.lxd.hook.remove
   snap.lxd.lxc
   snap.lxd.lxc-to-lxd
   snap.lxd.lxd
   snap.lxd.migrate
0 profiles are in complain mode.
0 profiles are in kill mode.
0 profiles are in unconfined mode.
0 processes have profiles defined.
0 processes are in enforce mode.
0 processes are in complain mode.
0 processes are unconfined but have a profile defined.
0 processes are in mixed mode.
0 processes are in kill mode.

As if only snap profiles are loaded.