For VMs (e.g., KVM), ensure the PCI device is passed through via VFIO or UIO passthrough.
Use MAC addresses to identify the correct interface in your script: For VMs (e
This was a logic error in the UIO library itself, not a network failure. The phrase “create address from IP address link” gave her the clue. The library wasn't failing to find the IP; it was failing to parse the link’s address information into its own internal data structure. For VMs (e.g.