ipv6toolkit.conf(5) on Linux
The text 2e9741fc23f8, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch) shipped it. The page shows this text now.
Configuration file for the SI6 Networks' IPv6 address monitoring daemon (ipv6mon)