Note: help and version output are generated by a naïve script which tries a few variants of
<command> --help, <command> -h etc. to find the command's help and version info.
Sometimes it gets lucky, sometimes it doesn't; if the output below looks wrong, it probably is.
pppoe-discovery -VERSION (return code: 0)
Usage: pppoe-discovery [options]
Version 3.8p
pppoe-discovery --help (return code: 1)
pppoe-discovery: invalid option -- '-'
Usage: pppoe-discovery [options]
Version 3.8p