Evaluate secondary networks for KubeVirt VMs on OpenShift, connecting VMs via Intel's Userspace CNI to a OVS-DPDK userspace bridge on the host. The setup consists of:

• OVS with DPDK enabled, running natively on RHCOS,
• Userspace OVS bridge of type netdev,
• DPDK drivers for attaching physical NICs to the OVS bridge,
• OVS vhost-user ports to provide network connectivity to KubeVirt VMs, and
• Optimized CPU affinity and cgroup v2 cpuset settings for OVS.

Unlike our previous PoCs (FDP-198, FDP-1285 and FDP-1286), OpenShift's primary network and OVN-Kubernetes remain unchanged.

This is a precursor to PoC FDP-2761 that does not use VDUSE. The primary objective is to showcase the benefits of userspace networking for KubeVirt VMs in OpenShift.