root@mysticseagull:~# systemctl status docker
● docker.service - Docker Application Container Engine
   Loaded: loaded (/lib/systemd/system/docker.service; enabled; vendor preset: enabled)
   Active: active (running) since Fri 2019-03-15 08:02:32 UTC; 13s ago
     Docs: https://docs.docker.com
 Main PID: 17763 (dockerd)
    Tasks: 16
   CGroup: /system.slice/docker.service
           └─17763 /usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock

Mar 15 08:02:32 mysticseagull dockerd[17763]: time="2019-03-15T08:02:32.721757222Z" level=warning msg="Your kernel does not support swap memory limit"
Mar 15 08:02:32 mysticseagull dockerd[17763]: time="2019-03-15T08:02:32.721780711Z" level=warning msg="Your kernel does not support cgroup rt period"
Mar 15 08:02:32 mysticseagull dockerd[17763]: time="2019-03-15T08:02:32.721790774Z" level=warning msg="Your kernel does not support cgroup rt runtime"
Mar 15 08:02:32 mysticseagull dockerd[17763]: time="2019-03-15T08:02:32.721995024Z" level=info msg="Loading containers: start."
Mar 15 08:02:32 mysticseagull dockerd[17763]: time="2019-03-15T08:02:32.765986225Z" level=info msg="Default bridge (docker0) is assigned with an IP address 172.17.0.0/16. Daemon option --bip
Mar 15 08:02:32 mysticseagull dockerd[17763]: time="2019-03-15T08:02:32.780506665Z" level=info msg="Loading containers: done."
Mar 15 08:02:32 mysticseagull dockerd[17763]: time="2019-03-15T08:02:32.947598094Z" level=info msg="Docker daemon" commit=774a1f4 graphdriver(s)=overlay2 version=18.09.3
Mar 15 08:02:32 mysticseagull dockerd[17763]: time="2019-03-15T08:02:32.947750953Z" level=info msg="Daemon has completed initialization"
Mar 15 08:02:32 mysticseagull dockerd[17763]: time="2019-03-15T08:02:32.962877104Z" level=info msg="API listen on /var/run/docker.sock"
Mar 15 08:02:32 mysticseagull systemd[1]: Started Docker Application Container Engine.
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