package:docker.io:1.13.1-0ubuntu6
Preparing to unpack .../111-docker.io_20.10.7-0ubuntu1~18.04.2_amd64.deb ...
The aufs storage-driver is no longer supported.
Please ensure that none of your containers are
using the aufs storage driver, remove the directory
/var/lib/docker/aufs and try again.
dpkg: error processing archive /tmp/apt-dpkg-install-0AdMdG/111-docker.io_20.10.7-0ubuntu1~18.04.2_amd64.deb (--unpack):
 new docker.io package pre-installation script subprocess returned error exit status 1