Reproduced with Debian 9: $ sudo journalctl -b -p err nov 23 14:21:54 system ntpd[1139]: unable to bind to wildcard address :: - another process may be running - EXITING
$ sudo systemctl status ntp.service ยท ntp.service - LSB: Start NTP daemon Loaded: loaded (/etc/init.d/ntp; generated; vendor preset: enabled) Active: active (running) since Thu 2017-11-23 14:21:54 CET; 23min ago Docs: man:systemd-sysv-generator(8) Process: 729 ExecStart=/etc/init.d/ntp start (code=exited, status=0/SUCCESS) Tasks: 2 (limit: 4915) CGroup: /system.slice/ntp.service \u2514\u25001137 /usr/sbin/ntpd -p /var/run/ntpd.pid -g -c /run/ntp.conf.dhcp -u 118:125 nov 23 14:21:54 system systemd[1]: Started LSB: Start NTP daemon. nov 23 14:21:54 system ntpd[1139]: proto: precision = 1.117 usec (-20) nov 23 14:21:54 system ntpd[1137]: proto: precision = 1.117 usec (-20) nov 23 14:21:54 system ntpd[1137]: Listen and drop on 0 v6wildcard [::]:123 nov 23 14:21:54 system ntpd[1137]: Listen and drop on 1 v4wildcard 0.0.0.0:123 nov 23 14:21:54 system ntpd[1137]: Listen normally on 2 lo 127.0.0.1:123 nov 23 14:21:54 system ntpd[1137]: Listen normally on 3 enp2s0 172.16.20.172:123 nov 23 14:21:54 system ntpd[1137]: Listen normally on 4 lo [::1]:123 nov 23 14:21:54 system ntpd[1137]: Listen normally on 5 enp2s0 [fe80::21e:33ff:fedf:1def%2]:123 nov 23 14:21:54 system ntpd[1137]: Listening on routing socket on fd #22 for interface updates -- __________ I'm using this express-made address because personal addresses aren't masked enough at this mail public archive. Public archive administrator should fix this against automated addresses collectors.