"I didn't know about device" IllegalStateException

[codeanticode]

This exception, thrown here, happens after disconnecting a device, which makes me think that somehow a removed device is shutdown twice (maybe from different threads?)

[codeanticode]

For the time being, simply does not throw the exception 34e5e0d. In any case, a physically disconnected device is indeed removed from the devices map, so I would not consider it an "error" warranting an exception.