jack_net_master -V (return code: -15)
jack_net_master: unrecognized option '--version'
jack_net_master -h (return code: 255)
usage: jack_net_master
[ -b buffer size (default = 512) ]
[ -r sample rate (default = 44100) ]
[ -a hostname (default = 225.3.19.154) ]
[ -p port (default = 19000) ]