09:22:20 801	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
09:34:25 267	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
10:28:46 468	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
14:32:10 857	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
16:39:09 217	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
16:39:22 076	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
