Windows 10 Hyper-V Dismount-VMHostAssignableDevice failed while loading pcip.sys

[志轩 许]

I have a NIC card on PCIe and i tried to passthrough it to my linux guest in hyper-V, so i executed these commands:$dev = (Get-PnpDevice -PresentOnly).Where{ $_.InstanceId -like '*VEN_10EC&DEV_8161*' }Disable-PnpDevice -InstanceId $dev.InstanceId -Confirm:$false$path = (Get-PnpDeviceProperty -KeyName DEVPKEY_Device_LocationPaths -InstanceId $dev.InstanceId).Data[0]Dismount-VMHostAssignableDevice -LocationPath $locationPath -VerboseAnd the last command failed and says it failed to load pcip.sys. So I checked event logger and find entries logging the loading of pcip.sys.One INFO event is of

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