Where are you updating them from? The docker tab? Apps Tab? or via the Auto Update plugin?
Also, the system share is set to be use cache: Yes. This moves everything from the cache drive to the array. Not a problem in and by itself, but the docker.img is now sitting on the array with a massive performance hit because of that. 99% of the time you want the system share to remain on the cache drive. (Set the share to be use cache: prefer. Stop the VM and docker services from Settings, and then run mover)
It might also be worthwhile to see if not using the File Integrity plugin fixes up your problems, since it does modify metadata (on the docker.img) since that's pretty much guaranteed to always change at any random point in time.