Issues with sudo systemctl status docker

Hello all,

I am running into some issues when running sudo systemctl status docker. I am getting the following errors:

level=warning msg="Your kernel does not support cgroup rt runtime"
level=warning msg="Your kernel does not support cgroup blkio weight"
level=warning msg="Your kernel does not support cgroup blkio weight_device"

Any help would be greatful, I am running docker in Ubuntu 18.04.5 LTS. Thanks in advance!