jack_net_slave -V (return code: -15)
jack_net_slave: unrecognized option '--version'
jack_net_slave -h (return code: 255)
usage: jack_net_slave
[ -C capture channels (default = 2)]
[ -P playback channels (default = 2) ]
[ -a hostname (default = 225.3.19.154) ]
[ -p port (default = 19000)]