Ubuntu 22.04 with HWE, 550 driver loaded, but GPU not seen by nvidia-smi

Ubuntu 22.04.4 LTS (GNU/Linux 6.5.0-26-generic x86_64)
Running in Hyper-V 2019 with P2000 passed through with DDA

Kernel is from HWE

xclocal@music-01:~$ lspci -v
f672:00:00.0 VGA compatible controller: NVIDIA Corporation GP106GL [Quadro P2000] (rev a1) (prog-if 00 [VGA controller])
        Subsystem: Dell GP106GL [Quadro P2000]
        Physical Slot: 39834
        Flags: bus master, fast devsel, latency 0, NUMA node 0
        Memory at 41000000 (32-bit, non-prefetchable) [size=16M]
        Memory at fe0000000 (64-bit, prefetchable) [size=256M]
        Memory at ff0000000 (64-bit, prefetchable) [size=32M]
        Capabilities: <access denied>
        Kernel driver in use: nvidia
        Kernel modules: nvidiafb, nouveau, nvidia_drm, nvidia

xclocal@music-01:~$ dkms status nvidia
nvidia/550.54.15, 6.5.0-26-generic, x86_64: installed
xclocal@music-01:~$ nvidia-smi
No devices were found

nvidia-bug-report.log.gz (100.2 KB)