The exact meaning of DEVICE_REMOVED event

[Han Han]

Hi, developers
I has a question about the event VIR_DOMAIN_EVENT_ID_DEVICE_REMOVED. When
will it occur? Detach device from an active VM? Or an inactive VM? Or both?
I get a code comment from the callback of this event
https://gitlab.com/libvirt/libvirt/-/blob/master/include/libvirt/libvirt-domain.h#L4151
"This callback occurs when a device is removed from the domain"

But it is not clear the domain could be active or inactive or both.
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