Skip the outbound load on your load balancer with Direct Server Return. Learn how to do it from scratch with eBPF

Building an eBPF/XDP L2 Direct Server Return Load Balancer from Scratch | iximiuz Labs
In this tutorial, you will learn how to build an Layer 2 DSR load balancer using eBPF/XDP, where backends send responses directly back to clients bypassing the load balancer.