initialize last seen L1 ID to 0xff000000 in L1TTC2LAN, ADHI-3397
Security Notice: GitLab has uncovered a widespread malicious npm supply-chain attack that potentially can destroy user data. All teams are required to audit packages. Further information can be found under the Computer Security Report for November 2025 and the original blog post in https://about.gitlab.com/blog/gitlab-discovers-widespread-npm-supply-chain-attack/
initialize last seen L1 ID to 0xff000000 in L1TTC2LAN, ADHI-3397