0x0 NdisDeviceStateUnspecified (PM not supported)
0x1 NdisDeviceStateD0              (fully powered)
0x2 NdisDeviceStateD1              (less-than-fully powered)
0x3 NdisDeviceStateD2              (more-less-than-fully powered)
0x4 NdisDeviceStateD3              (really-almost-not-powered-at-all)