hmm ... not able to reboot, restart miner, switch miner anymore tested in v2.2.3, v2.2.4.
last time i was able to do the above in v2.1 for sure.
can you take a look, cheers.
hmm... Thank you, for your message !

It was a server error when the server send the command to the node, it was fixed and will work from now. No restart or Update needed.