My virtual machine can not open the kinect one device

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When I install the libfreenect2 lib in my virtual machine, and I run the test program. I got the error bellow:

dragon@ubuntu:~/robot/camera/kinect/libfreenect2/build$ ./bin/Protonect

Version: 0.2.0

Environment variables: LOGFILE=<protonect.log>

Usage: ./bin/Protonect [-gpu=<id>] [gl | cl | clkde | cuda | cudakde | cpu] [<device serial="">] [-noviewer] [-norgb | -nodepth] [-help] [-version] [-frames <number of="" frames="" to="" process="">] To pause and unpause: pkill -USR1 Protonect

[Info] [Freenect2Impl] enumerating devices...

[Info] [Freenect2Impl] 6 usb devices connected

[Info] [Freenect2Impl] found valid Kinect v2 @4:2 with serial 021766664847

[Info] [Freenect2Impl] found 1 devices

[Info] [Freenect2DeviceImpl] opening...

[Info] [Freenect2DeviceImpl] transfer pool sizes rgb: 2016384 ir: 608*33792

[Info] [Freenect2DeviceImpl] opened

[Info] [Freenect2DeviceImpl] starting...

[Error] [protocol::CommandTransaction] bulk transfer failed: LIBUSB_ERROR_TIMEOUT Operation timed out

[Info] [Freenect2DeviceImpl] closing...

[Error] [protocol::CommandTransaction] bulk transfer failed: LIBUSB_ERROR_TIMEOUT Operation timed out

[Error] [protocol::CommandTransaction] bulk transfer failed: LIBUSB_ERROR_TIMEOUT Operation timed out

[Info] [Freenect2DeviceImpl] releasing usb interfaces...

[Info] [Freenect2DeviceImpl] deallocating usb transfer pools...

[Info] [Freenect2DeviceImpl] closing usb device...

[Info] [Freenect2DeviceImpl] closed

Anyone can help me ??