17:07:15 571	Error:EnumerateHub-->CreateFile failed,err=0x2
17:45:34 342	Error:EnumerateHub-->CreateFile failed,err=0x2
17:45:56 251	Error:EnumerateHub-->CreateFile failed,err=0x2
17:46:53 587	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
17:46:53 587	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
17:46:53 659	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
