During July 2025, Pavlos Vasileiadis focused on enhancing the reliability of network routing information in the firedancer-io/firedancer repository. He addressed a bug in the C-based fd_fib4_netlink component by implementing logic to filter out Netlink messages flagged as RTM_F_CLONED and to enforce strict routing table scope. This system programming work ensured that only relevant routing updates were processed, reducing noise and preventing misrouting in dependent subsystems. The solution was delivered with defensive checks, reviewed, and integrated to reinforce operational correctness. Pavlos applied his expertise in networking and C to deliver a targeted, low-risk improvement to production stability.