All the logs on the server side seem to be quite normal
log.smbd:
Z003:/var/log/samba # tail -fn 50 log.smbd
[2019/11/02 09:09:13.124997, 0] ../../source3/smbd/server.c:1775(main)
smbd version 4.11.0-git.95.c88b5f2c0c6SUSE-oS15.5-x86_64 started.
Copyright Andrew Tridgell and the Samba Team 1992-2019
[2019/11/02 09:09:13.453064, 0] ../../lib/util/become_daemon.c:135(daemon_ready)
daemon_ready: daemon 'smbd' finished starting up and ready to serve connections
[2019/11/02 13:01:19.761184, 0] ../../source3/smbd/server.c:1775(main)
smbd version 4.11.0-git.95.c88b5f2c0c6SUSE-oS15.5-x86_64 started.
Copyright Andrew Tridgell and the Samba Team 1992-2019
[2019/11/02 13:01:19.778159, 0] ../../lib/util/become_daemon.c:135(daemon_ready)
daemon_ready: daemon 'smbd' finished starting up and ready to serve connections
[2019/11/02 13:01:54.244113, 0] ../../source3/smbd/server.c:1775(main)
smbd version 4.11.0-git.95.c88b5f2c0c6SUSE-oS15.5-x86_64 started.
Copyright Andrew Tridgell and the Samba Team 1992-2019
[2019/11/02 13:01:54.258943, 0] ../../lib/util/become_daemon.c:135(daemon_ready)
daemon_ready: daemon 'smbd' finished starting up and ready to serve connections
[2019/11/02 13:11:40.375090, 0] ../../source3/smbd/server.c:1775(main)
smbd version 4.11.0-git.95.c88b5f2c0c6SUSE-oS15.5-x86_64 started.
Copyright Andrew Tridgell and the Samba Team 1992-2019
[2019/11/02 13:11:40.394278, 0] ../../lib/util/become_daemon.c:135(daemon_ready)
daemon_ready: daemon 'smbd' finished starting up and ready to serve connections
[2019/11/02 13:59:08.185980, 0] ../../source3/smbd/server.c:1775(main)
smbd version 4.11.0-git.95.c88b5f2c0c6SUSE-oS15.5-x86_64 started.
Copyright Andrew Tridgell and the Samba Team 1992-2019
[2019/11/02 13:59:08.308909, 0] ../../lib/util/become_daemon.c:135(daemon_ready)
daemon_ready: daemon 'smbd' finished starting up and ready to serve connections
[2019/11/02 14:52:14.058812, 0] ../../source3/smbd/server.c:1775(main)
smbd version 4.11.0-git.95.c88b5f2c0c6SUSE-oS15.5-x86_64 started.
Copyright Andrew Tridgell and the Samba Team 1992-2019
[2019/11/02 14:52:14.074346, 0] ../../lib/util/become_daemon.c:135(daemon_ready)
daemon_ready: daemon 'smbd' finished starting up and ready to serve connections
[2019/11/03 10:00:11.020397, 0] ../../source3/smbd/server.c:1775(main)
smbd version 4.11.0-git.95.c88b5f2c0c6SUSE-oS15.5-x86_64 started.
Copyright Andrew Tridgell and the Samba Team 1992-2019
[2019/11/03 10:00:11.367726, 0] ../../lib/util/become_daemon.c:135(daemon_ready)
daemon_ready: daemon 'smbd' finished starting up and ready to serve connections
[2019/11/04 16:56:25.774378, 0] ../../source3/smbd/server.c:1775(main)
smbd version 4.11.0-git.95.c88b5f2c0c6SUSE-oS15.5-x86_64 started.
Copyright Andrew Tridgell and the Samba Team 1992-2019
[2019/11/04 16:56:25.878127, 0] ../../lib/util/become_daemon.c:135(daemon_ready)
daemon_ready: daemon 'smbd' finished starting up and ready to serve connections
[2019/11/04 21:34:45.987920, 0] ../../source3/smbd/server.c:1775(main)
smbd version 4.11.0-git.95.c88b5f2c0c6SUSE-oS15.5-x86_64 started.
Copyright Andrew Tridgell and the Samba Team 1992-2019
[2019/11/04 21:34:46.146285, 0] ../../lib/util/become_daemon.c:135(daemon_ready)
daemon_ready: daemon 'smbd' finished starting up and ready to serve connections
[2019/11/05 18:11:12.080501, 0] ../../source3/smbd/server.c:1775(main)
smbd version 4.11.0-git.95.c88b5f2c0c6SUSE-oS15.5-x86_64 started.
Copyright Andrew Tridgell and the Samba Team 1992-2019
[2019/11/05 18:11:12.192991, 0] ../../lib/util/become_daemon.c:135(daemon_ready)
daemon_ready: daemon 'smbd' finished starting up and ready to serve connections
log.nmbd:
Z003:/var/log/samba # tail -fn 50 log.nmbd
query_name_response: Multiple (2) responses received for a query on subnet 192.168.178.26 for name ZRAY<1d>.
This response was from IP 192.168.178.33, reporting an IP address of 192.168.178.33.
[2019/11/05 21:08:15.148918, 0] ../../source3/nmbd/nmbd_namequery.c:109(query_name_response)
query_name_response: Multiple (2) responses received for a query on subnet 192.168.178.26 for name ZRAY<1d>.
This response was from IP 192.168.178.33, reporting an IP address of 192.168.178.33.
[2019/11/05 21:13:21.822965, 0] ../../source3/nmbd/nmbd_namequery.c:109(query_name_response)
query_name_response: Multiple (2) responses received for a query on subnet 192.168.178.26 for name ZRAY<1d>.
This response was from IP 192.168.178.33, reporting an IP address of 192.168.178.33.
[2019/11/05 21:18:12.106769, 0] ../../source3/nmbd/nmbd_namequery.c:109(query_name_response)
query_name_response: Multiple (2) responses received for a query on subnet 192.168.178.26 for name ZRAY<1d>.
This response was from IP 192.168.178.33, reporting an IP address of 192.168.178.33.
[2019/11/05 21:23:15.371455, 0] ../../source3/nmbd/nmbd_namequery.c:109(query_name_response)
query_name_response: Multiple (2) responses received for a query on subnet 192.168.178.26 for name ZRAY<1d>.
This response was from IP 192.168.178.33, reporting an IP address of 192.168.178.33.
[2019/11/05 21:28:21.822188, 0] ../../source3/nmbd/nmbd_namequery.c:109(query_name_response)
query_name_response: Multiple (2) responses received for a query on subnet 192.168.178.26 for name ZRAY<1d>.
This response was from IP 192.168.178.33, reporting an IP address of 192.168.178.33.
[2019/11/05 21:33:35.339784, 0] ../../source3/nmbd/nmbd_namequery.c:109(query_name_response)
query_name_response: Multiple (2) responses received for a query on subnet 192.168.178.26 for name ZRAY<1d>.
This response was from IP 192.168.178.33, reporting an IP address of 192.168.178.33.
[2019/11/05 21:38:41.649660, 0] ../../source3/nmbd/nmbd_namequery.c:109(query_name_response)
query_name_response: Multiple (2) responses received for a query on subnet 192.168.178.26 for name ZRAY<1d>.
This response was from IP 192.168.178.33, reporting an IP address of 192.168.178.33.
[2019/11/05 21:43:31.945248, 0] ../../source3/nmbd/nmbd_namequery.c:109(query_name_response)
query_name_response: Multiple (2) responses received for a query on subnet 192.168.178.26 for name ZRAY<1d>.
This response was from IP 192.168.178.33, reporting an IP address of 192.168.178.33.
[2019/11/05 21:48:35.589678, 0] ../../source3/nmbd/nmbd_namequery.c:109(query_name_response)
query_name_response: Multiple (2) responses received for a query on subnet 192.168.178.26 for name ZRAY<1d>.
This response was from IP 192.168.178.33, reporting an IP address of 192.168.178.33.
[2019/11/05 21:53:45.909479, 0] ../../source3/nmbd/nmbd_namequery.c:109(query_name_response)
query_name_response: Multiple (2) responses received for a query on subnet 192.168.178.26 for name ZRAY<1d>.
This response was from IP 192.168.178.33, reporting an IP address of 192.168.178.33.
[2019/11/05 21:58:39.524293, 0] ../../source3/nmbd/nmbd_namequery.c:109(query_name_response)
query_name_response: Multiple (2) responses received for a query on subnet 192.168.178.26 for name ZRAY<1d>.
This response was from IP 192.168.178.33, reporting an IP address of 192.168.178.33.
[2019/11/05 22:03:47.337282, 0] ../../source3/nmbd/nmbd_namequery.c:109(query_name_response)
query_name_response: Multiple (2) responses received for a query on subnet 192.168.178.26 for name ZRAY<1d>.
This response was from IP 192.168.178.33, reporting an IP address of 192.168.178.33.
[2019/11/05 22:09:05.506251, 0] ../../source3/nmbd/nmbd_namequery.c:109(query_name_response)
query_name_response: Multiple (2) responses received for a query on subnet 192.168.178.26 for name ZRAY<1d>.
This response was from IP 192.168.178.33, reporting an IP address of 192.168.178.33.
[2019/11/05 22:14:07.518326, 0] ../../source3/nmbd/nmbd_namequery.c:109(query_name_response)
query_name_response: Multiple (2) responses received for a query on subnet 192.168.178.26 for name ZRAY<1d>.
This response was from IP 192.168.178.33, reporting an IP address of 192.168.178.33.
[2019/11/05 22:18:57.826598, 0] ../../source3/nmbd/nmbd_namequery.c:109(query_name_response)
query_name_response: Multiple (2) responses received for a query on subnet 192.168.178.26 for name ZRAY<1d>.
This response was from IP 192.168.178.33, reporting an IP address of 192.168.178.33.
[2019/11/05 22:24:05.768414, 0] ../../source3/nmbd/nmbd_namequery.c:109(query_name_response)
query_name_response: Multiple (2) responses received for a query on subnet 192.168.178.26 for name ZRAY<1d>.
This response was from IP 192.168.178.33, reporting an IP address of 192.168.178.33.
messages:
tail -fn 100 messages | grep "nmbd"
2019-11-05T22:14:07.519222+01:00 Z003 nmbd[1690]: [2019/11/05 22:14:07.518326, 0] ../../source3/nmbd/nmbd_namequery.c:109(query_name_response)
2019-11-05T22:14:07.532124+01:00 Z003 nmbd[1690]: query_name_response: Multiple (2) responses received for a query on subnet 192.168.178.26 for name ZRAY<1d>.
2019-11-05T22:14:07.546710+01:00 Z003 nmbd[1690]: This response was from IP 192.168.178.33, reporting an IP address of 192.168.178.33.
2019-11-05T22:18:57.827318+01:00 Z003 nmbd[1690]: [2019/11/05 22:18:57.826598, 0] ../../source3/nmbd/nmbd_namequery.c:109(query_name_response)
2019-11-05T22:18:57.827694+01:00 Z003 nmbd[1690]: query_name_response: Multiple (2) responses received for a query on subnet 192.168.178.26 for name ZRAY<1d>.
2019-11-05T22:18:57.827793+01:00 Z003 nmbd[1690]: This response was from IP 192.168.178.33, reporting an IP address of 192.168.178.33.
2019-11-05T22:24:05.769094+01:00 Z003 nmbd[1690]: [2019/11/05 22:24:05.768414, 0] ../../source3/nmbd/nmbd_namequery.c:109(query_name_response)
2019-11-05T22:24:05.785065+01:00 Z003 nmbd[1690]: query_name_response: Multiple (2) responses received for a query on subnet 192.168.178.26 for name ZRAY<1d>.
2019-11-05T22:24:05.785966+01:00 Z003 nmbd[1690]: This response was from IP 192.168.178.33, reporting an IP address of 192.168.178.33.