Getting following error when starting docker. Thanks in advance for any sort of help.
[root@CDCUESEARCHAPP2 ~]# systemctl status docker.service -l
● docker.service - Docker Application Container Engine
Loaded: loaded (/usr/lib/systemd/system/docker.service; enabled; vendor preset: disabled)
Drop-In: /etc/systemd/system/docker.service.d
└─docker.conf
Active: failed (Result: exit-code) since Tue 2017-10-31 01:55:34 IST; 32s ago
Docs: https://docs.docker.com
Process: 25552 ExecStart=/usr/bin/docker daemon --insecure-registry 10.40.13.242:5000 (code=exited, status=2)
Main PID: 25552 (code=exited, status=2)
Oct 31 01:54:04 CDCUESEARCHAPP2 systemd[1]: Starting Docker Application Container Engine…
Oct 31 01:54:04 CDCUESEARCHAPP2 docker[25552]: time=“2017-10-31T01:54:04.697052800+05:30” level=warning msg="Usage of loopback devices is strongly discouraged for production use. Please use --storage-opt dm.thinpooldev or use man docker to refer to dm.thinpooldev section."
Oct 31 01:54:04 CDCUESEARCHAPP2 docker[25552]: time=“2017-10-31T01:54:04.724263438+05:30” level=info msg=“API listen on /var/run/docker.sock"
Oct 31 01:54:04 CDCUESEARCHAPP2 docker[25552]: time=“2017-10-31T01:54:04.749381041+05:30” level=info msg=”[graphdriver] using prior storage driver “devicemapper”"
Oct 31 01:55:34 CDCUESEARCHAPP2 systemd[1]: docker.service start operation timed out. Terminating.
Oct 31 01:55:34 CDCUESEARCHAPP2 systemd[1]: docker.service: main process exited, code=exited, status=2/INVALIDARGUMENT
Oct 31 01:55:34 CDCUESEARCHAPP2 systemd[1]: Failed to start Docker Application Container Engine.
Oct 31 01:55:34 CDCUESEARCHAPP2 systemd[1]: Unit docker.service entered failed state.
Oct 31 01:55:34 CDCUESEARCHAPP2 systemd[1]: docker.service failed.