Ucs nscd: nss-ldap: do_open: do_start_tls failed:stat=-1

Hi Leute, seit Wochenende kommt öfter zum viertelstündlichen Job ein Ausfall des Systems

Oct 31 07:14:36 ucs named[1036]: samba_dlz: committed transaction on zone xxx.local
Oct 31 07:14:40 ucs named[1036]: no longer listening on 172.20.9.196#53
Oct 31 07:14:40 ucs named[1036]: no longer listening on 172.20.20.37#53
Oct 31 07:14:41 ucs ntpd[684]: Deleting interface #3 ens18, 172.20.9.196#123, interface stats: received=1334, sent=1334, dropped=0, active_time=35995 secs
Oct 31 07:14:41 ucs ntpd[684]: Deleting interface #4 ens18:1, 172.20.20.37#123, interface stats: received=6760, sent=6760, dropped=0, active_time=35995 secs
Oct 31 07:15:01 ucs CRON[28320]: (root) CMD (   [ -x /usr/share/univention-directory-manager-tools/univention-delayed-account-activation ] && /usr/share/univention-directory-manager-tools/univention-delayed-account-activation)
Oct 31 07:15:01 ucs CRON[28321]: (root) CMD (run-parts /usr/share/univention-monitoring-client/scripts/)
Oct 31 07:15:01 ucs CRON[28329]: (root) CMD (/usr/sbin/jitter 60 /usr/share/univention-samba4/scripts/sysvol-sync.sh >>/var/log/univention/sysvol-sync.log 2>&1)
Oct 31 07:15:01 ucs CRON[28333]: (root) CMD (if [ -x /usr/bin/mrtg ] && [ -r /etc/mrtg.cfg ] && [ -d "$(grep '^[[:space:]]*[^#]*[[:space:]]*WorkDir' /etc/mrtg.cfg | awk '{ print $NF }')" ]; then mkdir -p /var/log/mrtg ; env LANG=C /usr/bin/mrtg /etc/mrtg.cfg 2>&1 | tee -a /var/log/mrtg/mrtg.log ; fi)
Oct 31 07:16:09 ucs systemd[1]: univention-directory-listener.service: Succeeded.
Oct 31 07:16:11 ucs nscd: nss-ldap: do_open: do_start_tls failed:stat=-1
Oct 31 07:16:12 ucs nscd: nss-ldap: do_open: do_start_tls failed:stat=-1
Oct 31 07:16:19 ucs systemd[1]: univention-directory-listener.service: Service RestartSec=10s expired, scheduling restart.
Oct 31 07:16:19 ucs systemd[1]: univention-directory-listener.service: Scheduled restart job, restart counter is at 1.
Oct 31 07:16:19 ucs systemd[1]: Stopped Univention Directory Listener Daemon.
Oct 31 07:16:19 ucs systemd[1]: Starting Univention Directory Listener Daemon...
Oct 31 07:16:19 ucs systemd[1]: Started Univention Directory Listener Daemon.
Oct 31 07:16:27 ucs nscd: nss-ldap: do_open: do_start_tls failed:stat=-1
Oct 31 07:16:27 ucs nscd: nss-ldap: do_open: do_start_tls failed:stat=-1
Oct 31 07:16:28 ucs nscd: nss-ldap: do_open: do_start_tls failed:stat=-1
Oct 31 07:16:28 ucs nscd: nss-ldap: do_open: do_start_tls failed:stat=-1
Oct 31 07:16:28 ucs nscd: nss-ldap: do_open: do_start_tls failed:stat=-1
Oct 31 07:16:29 ucs nscd: nss-ldap: do_open: do_start_tls failed:stat=-1
Oct 31 07:16:29 ucs nscd: nss-ldap: do_open: do_start_tls failed:stat=-1
Oct 31 07:16:29 ucs nscd: nss-ldap: do_open: do_start_tls failed:stat=-1
Oct 31 07:16:30 ucs nscd: nss-ldap: do_open: do_start_tls failed:stat=-1
Oct 31 07:16:30 ucs nscd: nss-ldap: do_open: do_start_tls failed:stat=-1
Oct 31 07:16:30 ucs nscd: nss-ldap: do_open: do_start_tls failed:stat=-1

root@ucs:/etc/cron.d# cat /var/log/syslog | grep ‘no longer listening on’

Oct 31 07:14:40 ucs named[1036]: no longer listening on 172.20.9.196#53

Oct 31 07:14:40 ucs named[1036]: no longer listening on 172.20.20.37#53

root@ucs:/etc/cron.d# cat /var/log/syslog.1 | grep ‘no longer listening on’

Oct 30 00:21:19 ucs named[1053]: no longer listening on 172.20.9.196#53

Oct 30 00:21:19 ucs named[1053]: no longer listening on 172.20.20.37#53

Oct 30 19:58:20 ucs named[987]: no longer listening on 172.20.9.196#53

Oct 30 19:58:20 ucs named[987]: no longer listening on 172.20.20.37#53

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