root@pvestd:~# dmesg | grep -i vfio
[    0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-5.4.174-2-pve root=/dev/mapper/pve-root ro quiet intel_iommu=on iommu=pt vfio-pci.ids=10de:1eb1
[    0.503804] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-5.4.174-2-pve root=/dev/mapper/pve-root ro quiet intel_iommu=on iommu=pt vfio-pci.ids=10de:1eb1
[    4.434228] VFIO - User Level meta-driver version: 0.3
[    4.436409] vfio-pci: probe of 10000:01:00.0 failed with error -22
[    4.436411] vfio_pci: add [10de:1eb1[ffffffff:ffffffff]] class 0x000000/00000000