During June 2025, Tsotne contributed to the cilium/cilium repository by developing features that enhance IPv6 validation and cloud deployment reliability. He implemented an IPv6 health server test using Go and Shell, mirroring existing IPv4 coverage to ensure robust health check exposure, BPF map population, and endpoint reporting for IPv6. Additionally, Tsotne improved Node Address Discovery by enabling the agent to read IP addresses from both network interfaces and routing tables, addressing NodePort misrouting in route-based cloud environments. His work incorporated route filtering and deduplication, demonstrating depth in networking and system programming while extending test coverage and operational correctness.