08:52:04 640	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
12:10:51 784	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
12:10:51 785	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
12:10:51 786	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
14:10:11 552	Error:EnumerateHub-->DeviceIoControl failed,err=0x1f
