netwatch(1) on Linux
The text 5f3f4b1cb648, as Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny) shipped it.
Ethernet Internet Protocol Monitor
Flags it lists
-
-b -
-c -
-e -
-h -
-i -
-m -
-n -
-t