[tamer@tamer-pc ~]$ sudo systemctl status docker.service
● docker.service - Docker Application Container Engine
   Loaded: loaded (/usr/lib/systemd/system/docker.service; disabled; vendor preset: disabled)
   Active: active (running) since Mon 2019-04-29 14:41:43 -03; 3s ago
     Docs: https://docs.docker.com
 Main PID: 4914 (dockerd)
    Tasks: 36 (limit: 4915)
   Memory: 59.7M
   CGroup: /system.slice/docker.service
           ├─4914 /usr/bin/dockerd -H fd://
           └─4927 containerd --config /var/run/docker/containerd/containerd.toml --log-level info

abr 29 14:41:39 tamer-pc dockerd[4914]: time="2019-04-29T14:41:39.042069103-03:00" level=warning msg="Your kernel does not support cgroup rt period"
abr 29 14:41:39 tamer-pc dockerd[4914]: time="2019-04-29T14:41:39.042119235-03:00" level=warning msg="Your kernel does not support cgroup rt runtime"
abr 29 14:41:39 tamer-pc dockerd[4914]: time="2019-04-29T14:41:39.043965314-03:00" level=info msg="Loading containers: start."
abr 29 14:41:39 tamer-pc dockerd[4914]: time="2019-04-29T14:41:39.415694701-03:00" level=info msg="Default bridge (docker0) is assigned with an IP address 1>
abr 29 14:41:39 tamer-pc dockerd[4914]: time="2019-04-29T14:41:39.596132185-03:00" level=info msg="Loading containers: done."
abr 29 14:41:43 tamer-pc dockerd[4914]: time="2019-04-29T14:41:43.643905117-03:00" level=warning msg="Not using native diff for overlay2, this may cause deg>
abr 29 14:41:43 tamer-pc dockerd[4914]: time="2019-04-29T14:41:43.644409990-03:00" level=info msg="Docker daemon" commit=e8ff056dbc graphdriver(s)=overlay2 >
abr 29 14:41:43 tamer-pc dockerd[4914]: time="2019-04-29T14:41:43.644502252-03:00" level=info msg="Daemon has completed initialization"
abr 29 14:41:43 tamer-pc dockerd[4914]: time="2019-04-29T14:41:43.731428506-03:00" level=info msg="API listen on /run/docker.sock"
abr 29 14:41:43 tamer-pc systemd[1]: Started Docker Application Container Engine.
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