# docker version Client: Version: 17.10.0-ce API version: 1.33 Go version: go1.9.2 Git commit: f4ffd25 Built: Wed Nov 22 10:55:39 2017 OS/Arch: linux/amd64 Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running? When trying to run the docker demon: # systemctl start docker.service Job for docker.service failed because the control process exited with error code. See "systemctl status docker.service" and "journalctl -xe" for details. The journal log: $ journalctl -xe -- -- The start-up result is RESULT. Nov 22 12:53:58 PC124-180.oru.se systemd[1]: Starting Docker Application Container Engine... -- Subject: Unit docker.service has begun start-up -- Defined-By: systemd -- Support: https://lists.freedesktop.org/mailman/listinfo/systemd-devel -- -- Unit docker.service has begun starting up. Nov 22 12:53:58 PC124-180.oru.se dockerd[4092]: time="2017-11-22T12:53:58.531920668+01:00" level=info msg="libcontainerd: new> Nov 22 12:53:59 PC124-180.oru.se dockerd[4092]: time="2017-11-22T12:53:59.570799921+01:00" level=warning msg="devmapper: Usag> Nov 22 12:53:59 PC124-180.oru.se dockerd[4092]: time="2017-11-22T12:53:59.589284505+01:00" level=warning msg="devmapper: Base> Nov 22 12:53:59 PC124-180.oru.se dockerd[4092]: time="2017-11-22T12:53:59.603556782+01:00" level=info msg="[graphdriver] usin> Nov 22 12:53:59 PC124-180.oru.se dockerd[4092]: time="2017-11-22T12:53:59.616054385+01:00" level=info msg="Graph migration to> Nov 22 12:53:59 PC124-180.oru.se dockerd[4092]: time="2017-11-22T12:53:59.616367672+01:00" level=warning msg="mountpoint for > Nov 22 12:53:59 PC124-180.oru.se dockerd[4092]: time="2017-11-22T12:53:59.616542676+01:00" level=info msg="Loading containers> Nov 22 12:53:59 PC124-180.oru.se dockerd[4092]: Error starting daemon: Error initializing network controller: error obtaining> Nov 22 12:53:59 PC124-180.oru.se dockerd[4092]: Perhaps iptables or your kernel needs to be upgraded. Nov 22 12:53:59 PC124-180.oru.se dockerd[4092]: (exit status 3) Nov 22 12:53:59 PC124-180.oru.se systemd[1]: docker.service: Main process exited, code=exited, status=1/FAILURE Nov 22 12:53:59 PC124-180.oru.se systemd[1]: docker.service: Failed with result 'exit-code'. Nov 22 12:53:59 PC124-180.oru.se systemd[1]: Failed to start Docker Application Container Engine. -- Subject: Unit docker.service has failed -- Defined-By: systemd -- Support: https://lists.freedesktop.org/mailman/listinfo/systemd-devel -- -- Unit docker.service has failed. -- -- The result is RESULT. And what systemctl is teeling me: $ systemctl status docker.service ● docker.service - Docker Application Container Engine Loaded: loaded (/lib/systemd/system/docker.service; disabled; vendor preset: disabled) Active: failed (Result: exit-code) since Wed 2017-11-22 12:54:01 CET; 21s ago Docs: https://docs.docker.com Process: 4204 ExecStart=/usr/bin/dockerd -H fd:// (code=exited, status=1/FAILURE) Main PID: 4204 (code=exited, status=1/FAILURE) Nov 22 12:54:01 PC124-180.oru.se systemd[1]: docker.service: Service hold-off time over, scheduling restart. Nov 22 12:54:01 PC124-180.oru.se systemd[1]: docker.service: Scheduled restart job, restart counter is at 3. Nov 22 12:54:01 PC124-180.oru.se systemd[1]: Stopped Docker Application Container Engine. Nov 22 12:54:01 PC124-180.oru.se systemd[1]: docker.service: Start request repeated too quickly. Nov 22 12:54:01 PC124-180.oru.se systemd[1]: docker.service: Failed with result 'exit-code'. Nov 22 12:54:01 PC124-180.oru.se systemd[1]: Failed to start Docker Application Container Engine. I know nothing about docker and such so let me know if you need more information
Nov 22 12:53:59 PC124-180.oru.se dockerd[4092]: Error starting daemon: Error initializing network controller: error obtaining> Nov 22 12:53:59 PC124-180.oru.se dockerd[4092]: Perhaps iptables or your kernel needs to be upgraded. I would guess that your kernel is misconfigured. Please read your elog messages.
You're right ! It took me a while to realise but that's exactly what the reason was :/ Sorry for the noise
