https://forum.proxmox.com/threads/hba-pci-passthrough-failed-to-set-group-container-invalid-argume.159722/
HBA PCI Passthrough - Failed to set group container: Invalid argume | Proxmox Support Forum
Reinstalled Proxmox on an old host that I am running Truenas as a VM. After updating the grub to include IOMMU commands: GRUB_CMDLINE_LINUX_DEFAULT="quiet...