There is a typo in the line to be added to /etc/apparmor.d/usr.sbin.libvirtd:
/usr/lib/xen-*/bin/pygrub PUx, + /usr/lib/xen-*/bin/qemu-dm PUx,
There is a typo in the line to be added to /etc/apparmor. d/usr.sbin. libvirtd:
/usr/ lib/xen- */bin/pygrub PUx, xen-*/bin/ qemu-dm PUx,
+ /usr/lib/