Getting this in CentOS 9. Doesn't cause any actual problems, but maybe good to change in the future.
/etc/dracut.conf.d/99-hetzner.conf:add_dracutmodules+="lvm mdraid"
/etc/dracut.conf.d/99-hetzner.conf:add_drivers+="raid0 raid1 raid10 raid456"
dracut: WARNING: <key>+=" <values> ": <values> should have surrounding white spaces!
dracut: WARNING: This will lead to unwanted side effects! Please fix the configuration file.
Getting this in CentOS 9. Doesn't cause any actual problems, but maybe good to change in the future.