I just restarted Samba on the server and see this in the log:
Dec 10 14:11:42 Tower smbd[13292]: smbd version 4.17.3 started.
Dec 10 14:11:42 Tower smbd[13292]: Copyright Andrew Tridgell and the Samba Team 1992-2022
Dec 10 14:11:42 Tower smbd[13293]: [2022/12/10 14:11:42.535206, 0] ../../lib/tdb_wrap/tdb_wrap.c:65(tdb_wrap_log)
Dec 10 14:11:42 Tower smbd[13293]: tdb(/var/lib/samba/private/secrets.tdb): transaction_read: failed at off=356790136 len=24
Dec 10 14:11:42 Tower smbd[13293]: [2022/12/10 14:11:42.535267, 0] ../../lib/tdb_wrap/tdb_wrap.c:65(tdb_wrap_log)
Dec 10 14:11:42 Tower smbd[13293]: tdb(/var/lib/samba/private/secrets.tdb): transaction_read: failed at off=356790136 len=24
Dec 10 14:11:42 Tower smbd[13293]: [2022/12/10 14:11:42.535278, 0] ../../lib/tdb_wrap/tdb_wrap.c:65(tdb_wrap_log)
Dec 10 14:11:42 Tower smbd[13293]: tdb(/var/lib/samba/private/secrets.tdb): transaction_read: failed at off=356790136 len=24
Dec 10 14:11:42 Tower smbd[13293]: [2022/12/10 14:11:42.535301, 0] ../../lib/tdb_wrap/tdb_wrap.c:65(tdb_wrap_log)
Dec 10 14:11:42 Tower smbd[13293]: tdb(/var/lib/samba/private/secrets.tdb): transaction_read: failed at off=356790136 len=24
Dec 10 14:11:42 Tower smbd[13293]: [2022/12/10 14:11:42.535310, 0] ../../lib/tdb_wrap/tdb_wrap.c:65(tdb_wrap_log)
Dec 10 14:11:42 Tower smbd[13293]: tdb(/var/lib/samba/private/secrets.tdb): transaction_read: failed at off=356790136 len=24
Dec 10 14:11:42 Tower smbd[13293]: [2022/12/10 14:11:42.535320, 0] ../../source3/passdb/machine_sid.c:170(pdb_generate_sam_sid)
Dec 10 14:11:42 Tower smbd[13293]: pdb_generate_sam_sid: Failed to store generated machine SID.
Dec 10 14:11:42 Tower smbd[13293]: [2022/12/10 14:11:42.535334, 0] ../../lib/util/fault.c:173(smb_panic_log)
Dec 10 14:11:42 Tower smbd[13293]: ===============================================================
Dec 10 14:11:42 Tower smbd[13293]: [2022/12/10 14:11:42.535345, 0] ../../lib/util/fault.c:174(smb_panic_log)
Dec 10 14:11:42 Tower smbd[13293]: INTERNAL ERROR: could not generate a machine SID in pid 13293 (4.17.3)
Dec 10 14:11:42 Tower smbd[13293]: [2022/12/10 14:11:42.535354, 0] ../../lib/util/fault.c:178(smb_panic_log)
Dec 10 14:11:42 Tower smbd[13293]: If you are running a recent Samba version, and if you think this problem is not yet fixed in the latest versions, please consider reporting this bug, see https://wiki.samba.org/index.php/Bug_Reporting
Dec 10 14:11:42 Tower smbd[13293]: [2022/12/10 14:11:42.535367, 0] ../../lib/util/fault.c:183(smb_panic_log)
Dec 10 14:11:42 Tower smbd[13293]: ===============================================================
Dec 10 14:11:42 Tower smbd[13293]: [2022/12/10 14:11:42.535376, 0] ../../lib/util/fault.c:184(smb_panic_log)
Dec 10 14:11:42 Tower smbd[13293]: PANIC (pid 13293): could not generate a machine SID in 4.17.3
Dec 10 14:11:42 Tower smbd[13293]: [2022/12/10 14:11:42.535806, 0] ../../lib/util/fault.c:292(log_stack_trace)
Dec 10 14:11:42 Tower smbd[13293]: BACKTRACE: 7 stack frames:
Dec 10 14:11:42 Tower smbd[13293]: #0 /usr/lib64/libgenrand-samba4.so(log_stack_trace+0x2e) [0x14943dd2a64e]
Dec 10 14:11:42 Tower smbd[13293]: #1 /usr/lib64/libgenrand-samba4.so(smb_panic+0x9) [0x14943dd2a8a9]
Dec 10 14:11:42 Tower smbd[13293]: #2 /usr/lib64/libsecrets3-samba4.so(get_global_sam_sid+0x465) [0x14943e0b2b35]
Dec 10 14:11:42 Tower smbd[13293]: #3 /usr/sbin/smbd(main+0x61b) [0x5654d95c83eb]
Dec 10 14:11:42 Tower smbd[13293]: #4 /lib64/libc.so.6(+0x23177) [0x14943daf8177]
Dec 10 14:11:42 Tower smbd[13293]: #5 /lib64/libc.so.6(__libc_start_main+0x85) [0x14943daf8235]
Dec 10 14:11:42 Tower smbd[13293]: #6 /usr/sbin/smbd(_start+0x21) [0x5654d95c9b31]
Dec 10 14:11:42 Tower smbd[13293]: [2022/12/10 14:11:42.535860, 0] ../../source3/lib/dumpcore.c:315(dump_core)
Dec 10 14:11:42 Tower smbd[13293]: dumping core in /var/log/samba/cores/smbd
Dec 10 14:11:42 Tower smbd[13293]:
Dec 10 14:11:42 Tower nmbd[13294]: [2022/12/10 14:11:42.550774, 0] ../../source3/nmbd/nmbd.c:901(main)
Dec 10 14:11:42 Tower nmbd[13294]: nmbd version 4.17.3 started.
Dec 10 14:11:42 Tower nmbd[13294]: Copyright Andrew Tridgell and the Samba Team 1992-2022
Dec 10 14:11:42 Tower wsdd2[13305]: starting.
Dec 10 14:11:42 Tower winbindd[13306]: [2022/12/10 14:11:42.635207, 0] ../../source3/winbindd/winbindd.c:1440(main)
Dec 10 14:11:42 Tower winbindd[13306]: winbindd version 4.17.3 started.
Dec 10 14:11:42 Tower winbindd[13306]: Copyright Andrew Tridgell and the Samba Team 1992-2022
Dec 10 14:11:42 Tower winbindd[13308]: [2022/12/10 14:11:42.638262, 0] ../../source3/winbindd/winbindd_cache.c:3116(initialize_winbindd_cache)
Dec 10 14:11:42 Tower winbindd[13308]: initialize_winbindd_cache: clearing cache and re-creating with version number 2
Dec 10 14:11:42 Tower winbindd[13308]: [2022/12/10 14:11:42.638534, 0] ../../lib/tdb_wrap/tdb_wrap.c:65(tdb_wrap_log)
Dec 10 14:11:42 Tower winbindd[13308]: tdb(/var/lib/samba/private/secrets.tdb): transaction_read: failed at off=356790136 len=24
Dec 10 14:11:42 Tower winbindd[13308]: [2022/12/10 14:11:42.638561, 0] ../../lib/tdb_wrap/tdb_wrap.c:65(tdb_wrap_log)
Dec 10 14:11:42 Tower winbindd[13308]: tdb(/var/lib/samba/private/secrets.tdb): transaction_read: failed at off=356790136 len=24
Dec 10 14:11:42 Tower winbindd[13308]: [2022/12/10 14:11:42.638571, 0] ../../lib/tdb_wrap/tdb_wrap.c:65(tdb_wrap_log)
Dec 10 14:11:42 Tower winbindd[13308]: tdb(/var/lib/samba/private/secrets.tdb): transaction_read: failed at off=356790136 len=24
Dec 10 14:11:42 Tower winbindd[13308]: [2022/12/10 14:11:42.638579, 0] ../../lib/tdb_wrap/tdb_wrap.c:65(tdb_wrap_log)
Dec 10 14:11:42 Tower winbindd[13308]: tdb(/var/lib/samba/private/secrets.tdb): transaction_read: failed at off=356790136 len=24
Dec 10 14:11:42 Tower winbindd[13308]: [2022/12/10 14:11:42.638587, 0] ../../lib/tdb_wrap/tdb_wrap.c:65(tdb_wrap_log)
Dec 10 14:11:42 Tower winbindd[13308]: tdb(/var/lib/samba/private/secrets.tdb): transaction_read: failed at off=356790136 len=24
Dec 10 14:11:42 Tower winbindd[13308]: [2022/12/10 14:11:42.638595, 0] ../../source3/passdb/machine_sid.c:170(pdb_generate_sam_sid)
Dec 10 14:11:42 Tower winbindd[13308]: pdb_generate_sam_sid: Failed to store generated machine SID.
Dec 10 14:11:42 Tower winbindd[13308]: [2022/12/10 14:11:42.638607, 0] ../../lib/util/fault.c:173(smb_panic_log)
Dec 10 14:11:42 Tower winbindd[13308]: ===============================================================
Dec 10 14:11:42 Tower winbindd[13308]: [2022/12/10 14:11:42.638618, 0] ../../lib/util/fault.c:174(smb_panic_log)
Dec 10 14:11:42 Tower winbindd[13308]: INTERNAL ERROR: could not generate a machine SID in pid 13308 (4.17.3)
Dec 10 14:11:42 Tower winbindd[13308]: [2022/12/10 14:11:42.638626, 0] ../../lib/util/fault.c:178(smb_panic_log)
Dec 10 14:11:42 Tower winbindd[13308]: If you are running a recent Samba version, and if you think this problem is not yet fixed in the latest versions, please consider reporting this bug, see https://wiki.samba.org/index.php/Bug_Reporting
Dec 10 14:11:42 Tower winbindd[13308]: [2022/12/10 14:11:42.638634, 0] ../../lib/util/fault.c:183(smb_panic_log)
Dec 10 14:11:42 Tower winbindd[13308]: ===============================================================
Dec 10 14:11:42 Tower winbindd[13308]: [2022/12/10 14:11:42.638642, 0] ../../lib/util/fault.c:184(smb_panic_log)
Dec 10 14:11:42 Tower winbindd[13308]: PANIC (pid 13308): could not generate a machine SID in 4.17.3
Dec 10 14:11:42 Tower winbindd[13308]: [2022/12/10 14:11:42.638934, 0] ../../lib/util/fault.c:292(log_stack_trace)
Dec 10 14:11:42 Tower winbindd[13308]: BACKTRACE: 10 stack frames:
Dec 10 14:11:42 Tower winbindd[13308]: #0 /usr/lib64/libgenrand-samba4.so(log_stack_trace+0x2e) [0x146b5e0e864e]
Dec 10 14:11:42 Tower winbindd[13308]: #1 /usr/lib64/libgenrand-samba4.so(smb_panic+0x9) [0x146b5e0e88a9]
Dec 10 14:11:42 Tower winbindd[13308]: #2 /usr/lib64/libsecrets3-samba4.so(get_global_sam_sid+0x465) [0x146b5edc4b35]
Dec 10 14:11:42 Tower winbindd[13308]: #3 /usr/lib64/libsecrets3-samba4.so(sid_check_is_our_sam+0x9) [0x146b5edc4d59]
Dec 10 14:11:42 Tower winbindd[13308]: #4 /usr/sbin/winbindd(+0x26add) [0x56373bee0add]
Dec 10 14:11:42 Tower winbindd[13308]: #5 /usr/sbin/winbindd(init_domain_list+0x121) [0x56373bee1771]
Dec 10 14:11:42 Tower winbindd[13308]: #6 /usr/sbin/winbindd(main+0x701) [0x56373bed7831]
Dec 10 14:11:42 Tower winbindd[13308]: #7 /lib64/libc.so.6(+0x23177) [0x146b5db79177]
Dec 10 14:11:42 Tower winbindd[13308]: #8 /lib64/libc.so.6(__libc_start_main+0x85) [0x146b5db79235]
Dec 10 14:11:42 Tower winbindd[13308]: #9 /usr/sbin/winbindd(_start+0x21) [0x56373bed8a11]
Dec 10 14:11:42 Tower winbindd[13308]: [2022/12/10 14:11:42.638987, 0] ../../source3/lib/dumpcore.c:315(dump_core)
Dec 10 14:11:42 Tower winbindd[13308]: dumping core in /var/log/samba/cores/winbindd
Dec 10 14:11:42 Tower winbindd[13308]:
Dec 10 14:12:05 Tower nmbd[13295]: [2022/12/10 14:12:05.577718, 0] ../../source3/nmbd/nmbd_become_lmb.c:398(become_local_master_stage2)
Dec 10 14:12:05 Tower nmbd[13295]: *****
Dec 10 14:12:05 Tower nmbd[13295]:
Dec 10 14:12:05 Tower nmbd[13295]: Samba name server TOWER is now a local master browser for workgroup WORKGROUP on subnet 172.17.0.1
Dec 10 14:12:05 Tower nmbd[13295]:
Dec 10 14:12:05 Tower nmbd[13295]: *****
Dec 10 14:12:05 Tower nmbd[13295]: [2022/12/10 14:12:05.577830, 0] ../../source3/nmbd/nmbd_become_lmb.c:398(become_local_master_stage2)
Dec 10 14:12:05 Tower nmbd[13295]: *****
Dec 10 14:12:05 Tower nmbd[13295]:
Dec 10 14:12:05 Tower nmbd[13295]: Samba name server TOWER is now a local master browser for workgroup WORKGROUP on subnet 192.168.1.10
Dec 10 14:12:05 Tower nmbd[13295]:
Dec 10 14:12:05 Tower nmbd[13295]: *****