Docker images for Roon [Please Note: Using Dockers and VMs isn't supported by Roon]

Try another kernel?

Are you running Emby and/or Plex on the same machine?

If you need more help, please provide detailed information about your setup, finish already opened support requests, use the forum search or external search engines like e.g. Google | Bing | …

And an additional question to the one from @noris: Why are you trying to run Roon in a Docker instead of natively running it on the CentOS 8 Linux using the instructions from the knowledge base: LinuxInstall.