Comment # 2 on bug 1162606 from Oliver Kurz

(In reply to Ignaz Forster from comment #1)
> Is this causing any actual problem, or this this more of a cosmetic thing?

Well, it did cost me about 4h and a lot of mental question marks because I
changed mount point configuration in /etc/fstab and reboots failed because the
mount points conflicted with the entries in the file /etc/fstab.sys and I
wasn't even aware of the existance nor the idea behind /etc/fstab.sys :) So
it's not just cosmetic unless there is any kind of documentation that clearly
explains that /etc/fstab.sys is a thing