gvpectrl(8) on Linux
The text fc0a9c38ced8, as Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy) shipped it.
GNU Virtual Private Ethernet Control Program
Flags it lists
-
--config -
--generate-keys -
--help -
--kill -
--quiet -
--show-config -
--version -
-c -
-g -
-q