Worked on the moby/moby repository to deliver a feature enhancing container networking hygiene by enabling precise deletion of conntrack entries using both IP address and port. This addition leveraged Go for system and network programming, integrating PortBinding to support targeted removal of stale network state. The implementation focused on improving the reliability and observability of containerized workloads by reducing lingering conntrack entries, which in turn facilitated faster incident resolution and more deterministic network behavior. Throughout the process, maintained a disciplined Git workflow with Signed-off-by lines, demonstrating a strong grasp of Linux conntrack concepts and Go-based container networking development practices.