#обсуждения
Fedora 31 switched to cgroup v2, being the first major Linux distribution to do so. Docker doesn't support cgroup v2 though, so it doesn't work on the latest Fedora release. This article explains your options, and how to install Docker on Fedora 31 if you don't like the alternatives.
https://www.linuxuprising.com/2019/11/how-to-install-and-use-docker-on-fedora.html?m=1