This bug was fixed in the package docker.io - 20.10.2-0ubuntu2
--------------- docker.io (20.10.2-0ubuntu2) hirsute; urgency=medium
[ William 'jawn-smith' Wilson ] * Add a preinst check for aufs storage-driver to fail the upgrade. (LP: #1907713)
-- Michael Hudson-Doyle <email address hidden> Tue, 02 Mar 2021 18:45:16 +1300
This bug was fixed in the package docker.io - 20.10.2-0ubuntu2
---------------
docker.io (20.10.2-0ubuntu2) hirsute; urgency=medium
[ William 'jawn-smith' Wilson ]
* Add a preinst check for aufs storage-driver to fail the upgrade.
(LP: #1907713)
-- Michael Hudson-Doyle <email address hidden> Tue, 02 Mar 2021 18:45:16 +1300