16:10:17 164 Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
16:10:19 144 Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
16:10:23 110 Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
16:10:25 372 Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
16:10:26 959 Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
16:10:28 736 Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
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