16:23:20 811	Error:EnumerateHub-->CreateFile failed,err=0x2
16:24:24 077	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
16:24:24 078	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
16:24:24 133	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
16:24:24 482	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
16:24:24 483	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
