as reported by @ayounsi , since the migration of librenms to netmon1002 (T159756) syslogs stopped updating at:
https://librenms.wikimedia.org/device/device=145/tab=logs/section=syslog/
as reported by @ayounsi , since the migration of librenms to netmon1002 (T159756) syslogs stopped updating at:
https://librenms.wikimedia.org/device/device=145/tab=logs/section=syslog/
After following some red herrings like thinking it's about ferm/firewall and IPv6,... it turned out it wasn't and killing php /usr/local/sbin/librenms-syslog and letting it start again fixed it.
https://librenms.wikimedia.org/device/device=145/tab=logs/section=syslog/ shows current logs again