When trying to put a node 4.3.0 into maintenance, I get the following error:

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Error while executing action: Cannot switch Host winterfell.psc.edu to Maintenance mode. Image transfer is in progress for the following (2) disks:

8d130846-bd84-46b0-9a45-b6a2ecf66865,
35fd6f8f-65f5-49e7-ae5a-9b10c5c0a38f

Please wait for the operations to complete and try again.

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Attached is an image of the disks UI for those, showing their status.

From the engine UI there seems to be no way to clean out "completed" or "failed" uploads/downloads.  

I tried running the taskcleaner.sh and unlock-entity disk UUIDs but I still get the error.

Not sure what to try next...