Hi,
I noticed that the reference count of the virtio_pci kernel module
in the VM is always 0, even though there are at least two
virtio block devices and one virtiofs device in the VM.

Using rmmod virtio_pci can unload the virtio_pci module,
but this renders the virtio block devices unusable.

I wonder if this result is expected? Why don't the virtio block devices
and virtiofs device hold a reference count to the virtio_pci kernel module?

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