You should verify that the /etc/sysconfig/docker file individual ownership and group ownership is correctly set to root The /etc/sysconfig/docker file contains sensitive parameters that may alter the behavior of the Docker daemon. It should therefore be individually owned and group owned by root to ensure that it is not modified by less privileged users.
Solution
You should execute the following command: chown root:root /etc/sysconfig/docker This sets the ownership and group ownership for the file to root Impact: None.