Attempting GPD WM 2023 with Oculink Arc A580 eGPU

When booting up, the GPD boots up fine with the Oculink-connected eGPU, however it doesn’t see it.
When running export-gpu I also see a recurring error here:
pcilib: Error reading /sys/bus/pci/devices/0000:00:08.3/label: Operation not permitted