# systemctl status docker
docker.service - Docker Application Container Engine
Loaded: loaded (/usr/lib/systemd/system/docker.service; enabled)
Active: failed (Result: timeout) since Wed 2015-11-25 11:15:39 CST; 27s ago
Docs: http://docs.docker.com
Main PID: 3760
Nov 25 11:13:09 gitlab systemd: Starting Docker Application Container Engine...
Nov 25 11:13:09 gitlab docker: time="2015-11-25T11:13:09.392252775+08:00" level=error msg="WARNING: No --sto...n use"
Nov 25 11:13:09 gitlab docker: time="2015-11-25T11:13:09.396013386+08:00" level=info msg="Listening for HTTP...sock)"
Nov 25 11:14:09 gitlab systemd: docker.service operation timed out. Terminating.
Nov 25 11:15:39 gitlab systemd: docker.service stopping timed out (2). Killing.
Nov 25 11:15:39 gitlab systemd: Failed to start Docker Application Container Engine.
Nov 25 11:15:39 gitlab systemd: Unit docker.service entered failed state.
Hint: Some lines were ellipsized, use -l to show in full.