~$ dpkg -l | grep docker-ce
iF  docker-ce                            5:24.0.3-1~ubuntu.20.04~focal     amd64        Docker: the open-source application container engine

$ sudo apt-get upgrade
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Calculating upgrade... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] y
Setting up docker-ce (5:24.0.3-1~ubuntu.20.04~focal) ...
Job for docker.service failed because the control process exited with error code.
See "systemctl status docker.service" and "journalctl -xe" for details.
invoke-rc.d: initscript docker, action "restart" failed.
● docker.service - Docker Application Container Engine
     Loaded: loaded (/lib/systemd/system/docker.service; enabled; vendor preset: enabled)
    Drop-In: /etc/systemd/system/docker.service.d
             └─service-overrides.conf
     Active: activating (auto-restart) (Result: exit-code) since Fri 2023-07-07 10:12:43 CEST; 23ms ago
TriggeredBy: ● docker.socket
       Docs: https://docs.docker.com
    Process: 3601344 ExecStart=/usr/bin/dockerd $OPTIONS $DOCKER_STORAGE_OPTIONS (code=exited, status=2)
   Main PID: 3601344 (code=exited, status=2)

Jul 07 10:12:43 systemd[1]: docker.service: Failed with result 'exit-code'.
Jul 07 10:12:43 systemd[1]: Failed to start Docker Application Container Engine.
dpkg: error processing package docker-ce (--configure):
 installed docker-ce package post-installation script subprocess returned error exit status 1
Errors were encountered while processing:
 docker-ce
E: Sub-process /usr/bin/dpkg returned an error code (1)