" -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"
+ " -v, --verbose=MODULE:FACILITY:LEVEL configure logging levels\n"
" -v, --verbose set maximum verbosity level\n"
" -h, --help display this help message\n"
" -V, --version display version information\n",