09:27:25 572	Error:EnumerateHubPorts-->DeviceIoControl get serial string failed,index=6,err=0x1f
09:27:25 802	Error:EnumerateHubPorts-->DeviceIoControl get serial string failed,index=6,err=0x1f
09:27:26 021	Error:EnumerateHubPorts-->DeviceIoControl get serial string failed,index=6,err=0x1f
09:27:26 231	Error:EnumerateHubPorts-->DeviceIoControl get serial string failed,index=6,err=0x1f
09:27:26 493	Error:EnumerateHubPorts-->DeviceIoControl get serial string failed,index=6,err=0x1f
