
You're correct about this in the general case.

This is a breaking change for an update that should not happen on an LTS version.Īn upgrade requiring so much manual intervention like this should never happen in an LTS release. This is a known bug, but the bug has been marked as “won't fix” based on the Ubuntu Docker packaging policy. Installed docker.io package post-installation script subprocess returned error exit status 1 New docker.io package pre-installation script subprocess returned error exit status 1 Using the aufs storage driver, remove the directoryĭpkg: error processing archive /var/cache/apt/archives/docker.io_20.10.7-0ubuntu1~20.04.1_b (-unpack): Please ensure that none of your containers are

The aufs storage-driver is no longer supported.

(The Ubuntu version is 20.04, but this also affects 18.04, and possibly non-LTS versions as well.) The upgrade of the docker.io package to the current version from focal-security fails: Preparing to unpack. I have an Ubuntu machine with Docker installed.
