16:12:22 391	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
16:12:22 397	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
16:12:22 400	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
16:12:22 405	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
