11:31:39 421	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
11:31:39 430	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
11:31:39 436	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
11:31:39 441	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
11:31:39 447	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
11:31:39 452	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
