root@vps1128196:~# journalctl -xe
-- Subject: Unit docker.socket has begun start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit docker.socket has begun starting up.
Oct 18 10:53:19 vps1128196 systemd[1]: Listening on Docker Socket for the API.
-- Subject: Unit docker.socket has finished start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit docker.socket has finished starting up.
--
-- The start-up result is done.
Oct 18 10:53:19 vps1128196 systemd[1]: docker.service: Start request repeated to
Oct 18 10:53:19 vps1128196 systemd[1]: Failed to start Docker Application Contai
-- Subject: Unit docker.service has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit docker.service has failed.
--
-- The result is failed.
Oct 18 10:53:19 vps1128196 systemd[1]: docker.socket: Unit entered failed state.