It's a kernel problem with devicemapper, which affects the RedHat family of OS (RedHat, Fedora, CentOS, and Amazon Linux). Deleted containers don't free up mapped disk space. This means that on the affected OSs you'll slowly run out of space as you start and restart containers.
uninstall docker, then delete all its files, then reinstall:
sudo yum remove docker
sudo rm -rf /var/lib/docker
sudo yum install docker