/usr/bin/kpropd: unrecognized option '--help'

Usage: /usr/bin/kpropd [-r realm] [-s keytab] [-d] [-D] [-S]
	[-f replica_file] [-F kerberos_db_file ]
	[-p kdb5_util_pathname] [-x db_args]* [-P port]
	[-a acl_file] [-A admin_server] [--pid-file=pid_file]