13:53:46 085	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
13:53:46 088	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
13:53:46 089	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
13:53:46 090	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
13:53:46 091	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
13:53:46 091	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
