Hot-unplug the specified VBD, dynamically unattaching it from the running VM

Parameters
name	type	description
session_id	session	valid session reference
self	VBD	The VBD to hot-unplug
Errors
name	arguments	description
DEVICE_DETACH_REJECTED	type, ref, msg	The VM rejected the attempt to detach the device.
DEVICE_ALREADY_DETACHED	device	The device is not currently attached

• Message has both a synchronous and asynchronous version
• This is a custom message