[Users] how to limit each guest only have access to its own usb device?

------=_Part_50858_1412755383.1366595987775 Content-Type: text/plain; charset=GBK Content-Transfer-Encoding: 7bit hi,all i use thin client to visit guestVM(throught spice), if i attach usb device to thin client, how to assure that this usb can be only accessed by the guestVM corresponding to thin client? thanks ------=_Part_50858_1412755383.1366595987775 Content-Type: text/html; charset=GBK Content-Transfer-Encoding: 7bit <div style="line-height:1.7;color:#000000;font-size:14px;font-family:arial"><div>hi,all</div><div>i use thin client to visit guestVM(throught spice), if i attach usb device to thin client, how to assure that&nbsp; this usb can be only accessed by the guestVM corresponding to thin client?</div><div>&nbsp;</div><div>thanks</div></div><br><br><span title="neteasefooter"><span id="netease_mail_footer"></span></span> ------=_Part_50858_1412755383.1366595987775--