opentpd starts only when I run it manually:
Jan 1 04:00:56 fritz daemon.info ntpd[1841]: listening on 127.0.0.1
Jan 1 04:00:56 fritz daemon.info ntpd[1841]: listening on 192.168.178.1
Jan 1 04:00:56 fritz daemon.info ntpd[1841]: ntp engine ready
Jan 1 04:01:26 fritz daemon.crit...