May 17 11:52:28 sfs01 systemd[1]: Starting Samba AD Daemon...
May 17 11:52:28 sfs01 samba[2484]: [2019/05/17 11:52:28.505738,  0] ../source4/smbd/server.c:372(binary_smbd_main)
May 17 11:52:28 sfs01 samba[2484]:   samba version 4.5.16-Debian started.
May 17 11:52:28 sfs01 systemd[1]: samba-ad-dc.service: Supervising process 2485 which is not our child. We'll most likely not notice when it exits.
May 17 11:52:28 sfs01 samba[2484]:   Copyright Andrew Tridgell and the Samba Team 1992-2016
May 17 11:52:28 sfs01 samba[2485]: [2019/05/17 11:52:28.680828,  0] ../source4/smbd/server.c:479(binary_smbd_main)
May 17 11:52:28 sfs01 samba[2485]:   samba: using 'standard' process model
May 17 11:52:28 sfs01 samba[2485]: [2019/05/17 11:52:28.703042,  0] ../lib/util/become_daemon.c:124(daemon_ready)
May 17 11:52:28 sfs01 systemd[1]: Started Samba AD Daemon.
May 17 11:52:28 sfs01 samba[2485]:   STATUS=daemon 'samba' finished starting up and ready to serve connections
May 17 11:52:28 sfs01 winbindd[2498]: [2019/05/17 11:52:28.759056,  0] ../source3/winbindd/winbindd_cache.c:3244(initialize_winbindd_cache)
May 17 11:52:28 sfs01 winbindd[2498]:   initialize_winbindd_cache: clearing cache and re-creating with version number 2
May 17 11:52:28 sfs01 smbd[2489]: [2019/05/17 11:52:28.937083,  0] ../lib/util/become_daemon.c:124(daemon_ready)
May 17 11:52:28 sfs01 smbd[2489]:   STATUS=daemon 'smbd' finished starting up and ready to serve connections
May 17 11:52:29 sfs01 winbindd[2498]: [2019/05/17 11:52:29.006188,  0] ../lib/util/become_daemon.c:124(daemon_ready)
May 17 11:52:29 sfs01 winbindd[2498]:   STATUS=daemon 'winbindd' finished starting up and ready to serve connections
May 17 11:52:37 sfs01 samba[2487]: [2019/05/17 11:52:37.049700,  0] ../source4/rpc_server/dnsserver/dcerpc_dnsserver.c:1085(dnsserver_query_zone)
May 17 11:52:39 sfs01 samba[2487]:   dnsserver: Invalid zone operation IsSigneddnsserver: Invalid zone operation IsSigneddnsserver: Invalid zone operation IsSigned===============================================================
May 17 11:52:39 sfs01 samba[2487]: [2019/05/17 11:52:39.222724,  0] ../lib/util/fault.c:79(fault_report)
May 17 11:52:39 sfs01 samba[2487]:   INTERNAL ERROR: Signal 11 in pid 2487 (4.5.16-Debian)
May 17 11:52:39 sfs01 samba[2487]:   Please read the Trouble-Shooting section of the Samba HOWTO
May 17 11:52:39 sfs01 samba[2487]: [2019/05/17 11:52:39.222936,  0] ../lib/util/fault.c:81(fault_report)
May 17 11:52:39 sfs01 samba[2487]:   ===============================================================
May 17 11:52:39 sfs01 samba[2487]: [2019/05/17 11:52:39.223113,  0] ../lib/util/fault.c:151(smb_panic_default)
May 17 11:52:39 sfs01 samba[2487]:   PANIC: internal error
May 17 11:52:39 sfs01 samba[2485]: [2019/05/17 11:52:39.228556,  0] ../source4/smbd/process_standard.c:127(standard_child_pipe_handler)
May 17 11:52:39 sfs01 samba[2485]:   Child 2487 (rpc) terminated with signal 6