https://bugzilla.kernel.org/show_bug.cgi?id=211807
--- Comment #15 from Michel Dänzer (michel@daenzer.net) --- (In reply to Daan from comment #14)
I also had this in my logs yesterday, right before my system locked completely (had to do a hard reset).
That's probably coincidence. I get these messages on a regular basis, without any bad behaviour.