nitiated, so that traffic can be sent to the new interface.</li><li>Enable Envoy to identify the original destination address, to be able to identify the traffic.</li></ol><p>For the first part, we can use eBPF’s <code>connect</code> program to process it, by modifying <code>user_ip</code> and <code>user_port</code>.</p><p>For the second part, we need to understand the concept of <code>ORIGINAL_DST</code> which belongs to the <code>netfilter</code> module in the kernel.</p><p>When an application (includin