Precisa de ajuda com o USB passthrough on QEMU

1

Eu criei uma VM do Windows usando virt-manager QEMU / KVM.
Funciona perfeitamente e eu posso usá-lo.
Eu tenho um segundo conjunto de um teclado e um mouse que eu quero conectar apenas à máquina virtual. Eu tentei fazer isso clicando em adicionar hardware, dispositivo host USB, selecione o teclado e clique em Concluir. Quando tento inicializar a VM, esse é o erro que recebo.

O que devo fazer?

Error starting domain: internal error: process exited while connecting to monitor: 2017-06-29T17:04:26.213999Z qemu-system-x86_64: -device usb-host,hostbus=1,hostaddr=4,id=hostdev0,bus=usb.0,port=2: failed to find host usb device 1:4

Traceback (most recent call last):
  File "/usr/share/virt-manager/virtManager/asyncjob.py", line 90, in cb_wrapper
    callback(asyncjob, *args, **kwargs)
  File "/usr/share/virt-manager/virtManager/asyncjob.py", line 126, in tmpcb
    callback(*args, **kwargs)
  File "/usr/share/virt-manager/virtManager/libvirtobject.py", line 83, in newfn
    ret = fn(self, *args, **kwargs)
  File "/usr/share/virt-manager/virtManager/domain.py", line 1402, in startup
    self._backend.create()
  File "/usr/lib/python2.7/dist-packages/libvirt.py", line 1035, in create
    if ret == -1: raise libvirtError ('virDomainCreate() failed', dom=self)
libvirtError: internal error: process exited while connecting to monitor: 2017-06-29T17:04:26.213999Z qemu-system-x86_64: -device usb-host,hostbus=1,hostaddr=4,id=hostdev0,bus=usb.0,port=2: failed to find host usb device 1:4
    
por ra314 29.06.2017 / 19:05

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