[Samba] get_auth_event_server: Failed to find 'auth_event' registered on the message bus to send JSON authentication events to: NT_STATUS_OBJECT_NAME_NOT_FOUND

[ACR ACR]

samba-4.7.5
debian 9.3

installed as join dc in existing domain on samba 4.1
everiting look like working
but some windows member stop to have access to shares on dc by ip
connect by \\full_domain_name  work

there some log in samba dc

[2018/02/20 15:15:00.652467,  4]
../auth/auth_log.c:860(log_successful_authz_event_human_readable)
  Successful AuthZ: [DCE/RPC,ncacn_np] user [NT AUTHORITY]\[SYSTEM]
[S-1-5-18] at [Tue, 20 Feb 2018 15:15:00.652451 +07] Remote host
[ipv6::::0] local host [ipv6::::0]
[2018/02/20 15:15:00.652521,  4] ../auth/auth_log.c:220(log_json)
  JSON Authorization: {"timestamp": "2018-02-20T15:15:00.652489+0700",
"type": "Authorization", "Authorization": {"version": {"major": 1, "minor":
0}, "localAddress": "ipv6::::0", "remoteAddress": "ipv6::::0", "
serviceDescription": "DCE/RPC", "authType": "ncacn_np", "domain": "NT
AUTHORITY", "account": "SYSTEM", "sid": "S-1-5-18", "logonServer": null,
"transportProtection": "SMB", "accountFlags": "0x00000000"}}
[2018/02/20 15:15:00.652537,  3]
../auth/auth_log.c:139(get_auth_event_server)
  get_auth_event_server: Failed to find 'auth_event' registered on the
message bus to send JSON authentication events to:
NT_STATUS_OBJECT_NAME_NOT_FOUND
[2018/02/20 15:15:00.668024,  3]
../source4/smbd/service_stream.c:65(stream_terminate_connection)
  Terminating connection - 'dcesrv: NT_STATUS_CONNECTION_DISCONNECTED'
[2018/02/20 15:15:00.668110,  3]
../source4/smbd/process_single.c:114(single_terminate)
  single_terminate: reason[dcesrv: NT_STATUS_CONNECTION_DISCONNECTED]
[2018/02/20 15:15:00.668844,  4]
../auth/auth_log.c:860(log_successful_authz_event_human_readable)
  Successful AuthZ: [DCE/RPC,ncacn_np] user [NT AUTHORITY]\[SYSTEM]
[S-1-5-18] at [Tue, 20 Feb 2018 15:15:00.668830 +07] Remote host
[ipv6::::0] local host [ipv6::::0]
[2018/02/20 15:15:00.668890,  4] ../auth/auth_log.c:220(log_json)
  JSON Authorization: {"timestamp": "2018-02-20T15:15:00.668864+0700",
"type": "Authorization", "Authorization": {"version": {"major": 1, "minor":
0}, "localAddress": "ipv6::::0", "remoteAddress": "ipv6::::0", "
serviceDescription": "DCE/RPC", "authType": "ncacn_np", "domain": "NT
AUTHORITY", "account": "SYSTEM", "sid": "S-1-5-18", "logonServer": null,
"transportProtection": "SMB", "accountFlags": "0x00000000"}}
[2018/02/20 15:15:00.668909,  3]
../auth/auth_log.c:139(get_auth_event_server)
  get_auth_event_server: Failed to find 'auth_event' registered on the
message bus to send JSON authentication events to:
NT_STATUS_OBJECT_NAME_NOT_FOUND
[2018/02/20 15:15:00.679589,  3]
../source4/smbd/service_stream.c:65(stream_terminate_connection)
  Terminating connection - 'dcesrv: NT_STATUS_CONNECTION_DISCONNECTED'
[2018/02/20 15:15:00.679660,  3]
../source4/smbd/process_single.c:114(single_terminate)
  single_terminate: reason[dcesrv: NT_STATUS_CONNECTION_DISCONNECTED]
[2018/02/20 15:15:00.680344,  4]
../auth/auth_log.c:860(log_successful_authz_event_human_readable)
  Successful AuthZ: [DCE/RPC,ncacn_np] user [NT AUTHORITY]\[SYSTEM]
[S-1-5-18] at [Tue, 20 Feb 2018 15:15:00.680329 +07] Remote host
[ipv6::::0] local host [ipv6::::0]
[2018/02/20 15:15:00.680399,  4] ../auth/auth_log.c:220(log_json)
  JSON Authorization: {"timestamp": "2018-02-20T15:15:00.680374+0700",
"type": "Authorization", "Authorization": {"version": {"major": 1, "minor":
0}, "localAddress": "ipv6::::0", "remoteAddress": "ipv6::::0", "
serviceDescription": "DCE/RPC", "authType": "ncacn_np", "domain": "NT
AUTHORITY", "account": "SYSTEM", "sid": "S-1-5-18", "logonServer": null,
"transportProtection": "SMB", "accountFlags": "0x00000000"}}
[2018/02/20 15:15:00.680415,  3]
../auth/auth_log.c:139(get_auth_event_server)
  get_auth_event_server: Failed to find 'auth_event' registered on the
message bus to send JSON authentication events to:
NT_STATUS_OBJECT_NAME_NOT_FOUND
[2018/02/20 15:15:00.689955,  3]
../source4/smbd/service_stream.c:65(stream_terminate_connection)
  Terminating connection - 'dcesrv: NT_STATUS_CONNECTION_DISCONNECTED'
[2018/02/20 15:15:00.690032,  3]
../source4/smbd/process_single.c:114(single_terminate)
  single_terminate: reason[dcesrv: NT_STATUS_CONNECTION_DISCONNECTED]



not sure relate it to problem or not