RHEL8: TCP encapsulated in UDP tunnel is dropped on vmxnet3 adapters

Issue

• VXLAN on vmxnet3 in RHEL 8.3 might cause TCP packet length to be calculated wrong in VXLAN frames.
• VMware ESX drops packets coming from RHEL 8 container host machines.
• After scaling the workers into the existing OpenShift cluster not all the functionality of the OpenShift SDN works.
• Podman pod-to-pod connectivity is slow or reaches timeout.
• k3s on rhel 8 network/dns probleme and metrics not work #5013 upstream k3s GitHub Issue for flannel networking