centos 8 docker daemon failed code example
Example: rhel 8 docker 19.03
[root@docker-ce ~]# dnf config-manager --add-repo=https://download.docker.com/linux/centos/docker-ce.repo
[root@docker-ce ~]# dnf config-manager --add-repo=https://download.docker.com/linux/centos/docker-ce.repo