" -P, --pidfile[=FILE] create pidfile (default: %s/controller.pid)\n"
" -H, --hub act as hub instead of learning switch\n"
" -n, --noflow pass traffic, but don't add flows\n"
" -P, --pidfile[=FILE] create pidfile (default: %s/controller.pid)\n"
" -H, --hub act as hub instead of learning switch\n"
" -n, --noflow pass traffic, but don't add flows\n"