This bug was fixed in the package libvirt - 1.2.16-2ubuntu12
--------------- libvirt (1.2.16-2ubuntu12) xenial; urgency=medium
* virt-aa-helper apparmor policy: add 'network inet6' (LP: #1511830)
-- Serge Hallyn <email address hidden> Mon, 02 Nov 2015 11:49:56 -0600
This bug was fixed in the package libvirt - 1.2.16-2ubuntu12
---------------
libvirt (1.2.16-2ubuntu12) xenial; urgency=medium
* virt-aa-helper apparmor policy: add 'network inet6' (LP: #1511830)
-- Serge Hallyn <email address hidden> Mon, 02 Nov 2015 11:49:56 -0600