● docker.service - Docker Application Container Engine
   Loaded: loaded (/usr/lib/systemd/system/docker.service; enabled; vendor preset: disabled)
   Active: active (running) since Sun 2022-02-06 22:37:07 CET; 6s ago
     Docs: https://docs.docker.com
 Main PID: 4587 (dockerd)
    Tasks: 7
   Memory: 40.4M
   CGroup: /system.slice/docker.service
           └─4587 /usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock

Feb 06 22:37:04 vm1 dockerd[4587]: time="2022-02-06T22:37:04.254398727+01:00" level=warning msg="Your kernel does not support cgroup blkio weight"
Feb 06 22:37:04 vm1 dockerd[4587]: time="2022-02-06T22:37:04.254445267+01:00" level=warning msg="Your kernel does not support cgroup blkio weight_device"
Feb 06 22:37:04 vm1 dockerd[4587]: time="2022-02-06T22:37:04.254830540+01:00" level=info msg="Loading containers: start."
Feb 06 22:37:06 vm1 dockerd[4587]: time="2022-02-06T22:37:06.810250026+01:00" level=info msg="Default bridge (docker0) is assigned with an IP address 172.17.0.0/16. Daemon option --bip can be used to set a preferred IP address"
Feb 06 22:37:07 vm1 dockerd[4587]: time="2022-02-06T22:37:07.141326370+01:00" level=info msg="Firewalld: interface docker0 already part of docker zone, returning"
Feb 06 22:37:07 vm1 dockerd[4587]: time="2022-02-06T22:37:07.545112900+01:00" level=info msg="Loading containers: done."
Feb 06 22:37:07 vm1 dockerd[4587]: time="2022-02-06T22:37:07.621724131+01:00" level=info msg="Docker daemon" commit=459d0df graphdriver(s)=overlay2 version=20.10.12
Feb 06 22:37:07 vm1 dockerd[4587]: time="2022-02-06T22:37:07.622099731+01:00" level=info msg="Daemon has completed initialization"
Feb 06 22:37:07 vm1 systemd[1]: Started Docker Application Container Engine.
Feb 06 22:37:07 vm1 dockerd[4587]: time="2022-02-06T22:37:07.698255586+01:00" level=info msg="API listen on /var/run/docker.sock"