DHCP Logging missing in 2026.02

Moved an install to 2026.02 to test the Stream release. Migrated my DHCP configuration over, and found that my logs no longer show DHCP logs beyond generic Kea HA heartbeats. In 1.4.x LTS, I was able to see DHCP information like requests, offers, etc which we used in our logging.

Was this log change intentional? I assume by moving from isc-dhcp-server to Kea, there is just a log configuration that either I’m missing, or that is missing in the Kea configuration. I’ve noticed that /var/run/kea/kea-dhcp4.conf doesn’t have the usual logger top-level JSON object which is likely the issue based on a quick glance.

Can someone advise? is there some sort of logging config I’m missing? I set facility all level 'all' assuming that would catch everything, but maybe I’m not understanding how that works?


set system syslog local facility all level 'info'
set system syslog local facility local7 level 'debug'
set system syslog preserve-fqdn
set system syslog remote 10.1.50.2 facility all level 'all'
ryanb@ier01:~$ show version
Version:          VyOS 2026.02
Release train:    circinus
Release flavor:   generic

Built by:         autobuild@vyos.net
Built on:         Mon 09 Feb 2026 20:41 UTC
Build UUID:       14201a6c-8a90-4058-92ec-51359bc39ccc
Build commit ID:  e4c4eddad9b984

Architecture:     x86_64
Boot via:         installed image
System type:      KVM guest

Hardware vendor:  QEMU
Hardware model:   Standard PC (Q35 + ICH9, 2009)
Hardware S/N:
Hardware UUID:    535cf5e5-9882-4de1-903f-d240f2e10fd1

Copyright:        VyOS maintainers and contributors

show log dhcp server:

Mar 06 21:20:51 kea-dhcp4[42300]: 2026-03-06 21:20:51.500 INFO  [kea-dhcp4.commands/42300.139790521923264] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:21:01 kea-dhcp4[42300]: 2026-03-06 21:21:01.512 INFO  [kea-dhcp4.commands/42300.139790513530560] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:21:11 kea-dhcp4[42300]: 2026-03-06 21:21:11.524 INFO  [kea-dhcp4.commands/42300.139790530315968] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:21:21 kea-dhcp4[42300]: 2026-03-06 21:21:21.536 INFO  [kea-dhcp4.commands/42300.139790555494080] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:21:31 kea-dhcp4[42300]: 2026-03-06 21:21:31.550 INFO  [kea-dhcp4.commands/42300.139790547101376] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:21:41 kea-dhcp4[42300]: 2026-03-06 21:21:41.561 INFO  [kea-dhcp4.commands/42300.139790538708672] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:21:51 kea-dhcp4[42300]: 2026-03-06 21:21:51.574 INFO  [kea-dhcp4.commands/42300.139790521923264] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:22:01 kea-dhcp4[42300]: 2026-03-06 21:22:01.586 INFO  [kea-dhcp4.commands/42300.139790563886784] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:22:11 kea-dhcp4[42300]: 2026-03-06 21:22:11.598 INFO  [kea-dhcp4.commands/42300.139790530315968] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:22:21 kea-dhcp4[42300]: 2026-03-06 21:22:21.610 INFO  [kea-dhcp4.commands/42300.139790555494080] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:22:31 kea-dhcp4[42300]: 2026-03-06 21:22:31.623 INFO  [kea-dhcp4.commands/42300.139790572279488] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:22:41 kea-dhcp4[42300]: 2026-03-06 21:22:41.636 INFO  [kea-dhcp4.commands/42300.139790521923264] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:22:51 kea-dhcp4[42300]: 2026-03-06 21:22:51.647 INFO  [kea-dhcp4.commands/42300.139790513530560] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:22:54 kea-dhcp4[42300]: 2026-03-06 21:22:54.628 INFO  [kea-dhcp4.dhcpsrv/42300.139790674369536] DHCPSRV_MEMFILE_LFC_START starting Lease File Cleanup
Mar 06 21:22:54 kea-dhcp4[42300]: 2026-03-06 21:22:54.629 INFO  [kea-dhcp4.dhcpsrv/42300.139790674369536] DHCPSRV_MEMFILE_LFC_EXECUTE executing Lease File Cleanup using: /usr/sbin/kea-lfc -4 -x /config/dhcp/dhcp4-leases.csv.2 -i /config/dhcp/dhcp4-leases.csv.1 -o /config/dhcp/dhcp4-leases.csv.output -f /config/dhcp/dhcp4-leases.csv.completed -p /config/dhcp/dhcp4-leases.csv.pid -c ignored-path
Mar 06 21:22:54 DhcpLFC[43591]: INFO  [DhcpLFC.140107131310144] LFC_START Starting lease file cleanup
Mar 06 21:22:54 DhcpLFC[43591]: INFO  [DhcpLFC.140107131310144] LFC_PROCESSING Previous file: /config/dhcp/dhcp4-leases.csv.2, copy file: /config/dhcp/dhcp4-leases.csv.1
Mar 06 21:22:54 DhcpLFC[43591]: INFO  [DhcpLFC.dhcpsrv.140107131310144] DHCPSRV_MEMFILE_LEASE_FILE_LOAD loading leases from file /config/dhcp/dhcp4-leases.csv.2
Mar 06 21:22:54 DhcpLFC[43591]: INFO  [DhcpLFC.dhcpsrv.140107131310144] DHCPSRV_MEMFILE_LEASE_FILE_LOAD loading leases from file /config/dhcp/dhcp4-leases.csv.1
Mar 06 21:22:54 DhcpLFC[43591]: INFO  [DhcpLFC.140107131310144] LFC_READ_STATS Leases: 77, attempts: 79, errors: 0.
Mar 06 21:22:54 DhcpLFC[43591]: INFO  [DhcpLFC.140107131310144] LFC_WRITE_STATS Leases: 77, attempts: 77, errors: 0.
Mar 06 21:22:54 DhcpLFC[43591]: INFO  [DhcpLFC.140107131310144] LFC_ROTATING LFC rotating files
Mar 06 21:22:54 DhcpLFC[43591]: INFO  [DhcpLFC.140107131310144] LFC_TERMINATE LFC finished processing
Mar 06 21:23:01 kea-dhcp4[42300]: 2026-03-06 21:23:01.685 INFO  [kea-dhcp4.commands/42300.139790555494080] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:23:11 kea-dhcp4[42300]: 2026-03-06 21:23:11.697 INFO  [kea-dhcp4.commands/42300.139790547101376] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:23:21 kea-dhcp4[42300]: 2026-03-06 21:23:21.709 INFO  [kea-dhcp4.commands/42300.139790572279488] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:23:31 kea-dhcp4[42300]: 2026-03-06 21:23:31.721 INFO  [kea-dhcp4.commands/42300.139790563886784] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:23:41 kea-dhcp4[42300]: 2026-03-06 21:23:41.733 INFO  [kea-dhcp4.commands/42300.139790530315968] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:23:51 kea-dhcp4[42300]: 2026-03-06 21:23:51.746 INFO  [kea-dhcp4.commands/42300.139790538708672] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:24:02 kea-dhcp4[42300]: 2026-03-06 21:24:02.297 INFO  [kea-dhcp4.commands/42300.139790547101376] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:24:12 kea-dhcp4[42300]: 2026-03-06 21:24:12.310 INFO  [kea-dhcp4.commands/42300.139790521923264] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:24:22 kea-dhcp4[42300]: 2026-03-06 21:24:22.322 INFO  [kea-dhcp4.commands/42300.139790513530560] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:24:32 kea-dhcp4[42300]: 2026-03-06 21:24:32.334 INFO  [kea-dhcp4.commands/42300.139790538708672] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:24:42 kea-dhcp4[42300]: 2026-03-06 21:24:42.346 INFO  [kea-dhcp4.commands/42300.139790530315968] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:24:52 kea-dhcp4[42300]: 2026-03-06 21:24:52.358 INFO  [kea-dhcp4.commands/42300.139790563886784] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:25:02 kea-dhcp4[42300]: 2026-03-06 21:25:02.370 INFO  [kea-dhcp4.commands/42300.139790572279488] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:25:12 kea-dhcp4[42300]: 2026-03-06 21:25:12.382 INFO  [kea-dhcp4.commands/42300.139790521923264] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:25:22 kea-dhcp4[42300]: 2026-03-06 21:25:22.394 INFO  [kea-dhcp4.commands/42300.139790513530560] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:25:32 kea-dhcp4[42300]: 2026-03-06 21:25:32.406 INFO  [kea-dhcp4.commands/42300.139790530315968] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:25:42 kea-dhcp4[42300]: 2026-03-06 21:25:42.418 INFO  [kea-dhcp4.commands/42300.139790521923264] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:25:52 kea-dhcp4[42300]: 2026-03-06 21:25:52.430 INFO  [kea-dhcp4.commands/42300.139790572279488] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:26:02 kea-dhcp4[42300]: 2026-03-06 21:26:02.442 INFO  [kea-dhcp4.commands/42300.139790563886784] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:26:12 kea-dhcp4[42300]: 2026-03-06 21:26:12.454 INFO  [kea-dhcp4.commands/42300.139790538708672] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:26:23 kea-dhcp4[42300]: 2026-03-06 21:26:23.245 INFO  [kea-dhcp4.commands/42300.139790530315968] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:26:33 kea-dhcp4[42300]: 2026-03-06 21:26:33.256 INFO  [kea-dhcp4.commands/42300.139790572279488] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:26:43 kea-dhcp4[42300]: 2026-03-06 21:26:43.269 INFO  [kea-dhcp4.commands/42300.139790547101376] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:26:53 kea-dhcp4[42300]: 2026-03-06 21:26:53.281 INFO  [kea-dhcp4.commands/42300.139790563886784] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:27:03 kea-dhcp4[42300]: 2026-03-06 21:27:03.294 INFO  [kea-dhcp4.commands/42300.139790521923264] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:27:13 kea-dhcp4[42300]: 2026-03-06 21:27:13.306 INFO  [kea-dhcp4.commands/42300.139790513530560] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:27:23 kea-dhcp4[42300]: 2026-03-06 21:27:23.319 INFO  [kea-dhcp4.commands/42300.139790555494080] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:27:34 kea-dhcp4[42300]: 2026-03-06 21:27:34.206 INFO  [kea-dhcp4.commands/42300.139790530315968] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:27:44 kea-dhcp4[42300]: 2026-03-06 21:27:44.218 INFO  [kea-dhcp4.commands/42300.139790572279488] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:27:54 kea-dhcp4[42300]: 2026-03-06 21:27:54.230 INFO  [kea-dhcp4.commands/42300.139790563886784] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:28:04 kea-dhcp4[42300]: 2026-03-06 21:28:04.241 INFO  [kea-dhcp4.commands/42300.139790513530560] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:28:14 kea-dhcp4[42300]: 2026-03-06 21:28:14.252 INFO  [kea-dhcp4.commands/42300.139790547101376] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:28:24 kea-dhcp4[42300]: 2026-03-06 21:28:24.264 INFO  [kea-dhcp4.commands/42300.139790521923264] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:28:34 kea-dhcp4[42300]: 2026-03-06 21:28:34.276 INFO  [kea-dhcp4.commands/42300.139790513530560] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:28:44 kea-dhcp4[42300]: 2026-03-06 21:28:44.288 INFO  [kea-dhcp4.commands/42300.139790538708672] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:28:54 kea-dhcp4[42300]: 2026-03-06 21:28:54.300 INFO  [kea-dhcp4.commands/42300.139790530315968] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:29:04 kea-dhcp4[42300]: 2026-03-06 21:29:04.312 INFO  [kea-dhcp4.commands/42300.139790563886784] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:29:14 kea-dhcp4[42300]: 2026-03-06 21:29:14.324 INFO  [kea-dhcp4.commands/42300.139790547101376] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:29:24 kea-dhcp4[42300]: 2026-03-06 21:29:24.337 INFO  [kea-dhcp4.commands/42300.139790521923264] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:29:34 kea-dhcp4[42300]: 2026-03-06 21:29:34.348 INFO  [kea-dhcp4.commands/42300.139790563886784] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:29:44 kea-dhcp4[42300]: 2026-03-06 21:29:44.361 INFO  [kea-dhcp4.commands/42300.139790513530560] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:29:54 kea-dhcp4[42300]: 2026-03-06 21:29:54.373 INFO  [kea-dhcp4.commands/42300.139790538708672] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:30:04 kea-dhcp4[42300]: 2026-03-06 21:30:04.842 INFO  [kea-dhcp4.commands/42300.139790547101376] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:30:14 kea-dhcp4[42300]: 2026-03-06 21:30:14.853 INFO  [kea-dhcp4.commands/42300.139790513530560] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:30:24 kea-dhcp4[42300]: 2026-03-06 21:30:24.866 INFO  [kea-dhcp4.commands/42300.139790572279488] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:30:34 kea-dhcp4[42300]: 2026-03-06 21:30:34.878 INFO  [kea-dhcp4.commands/42300.139790530315968] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:30:44 kea-dhcp4[42300]: 2026-03-06 21:30:44.890 INFO  [kea-dhcp4.commands/42300.139790521923264] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:30:54 kea-dhcp4[42300]: 2026-03-06 21:30:54.903 INFO  [kea-dhcp4.commands/42300.139790563886784] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:31:04 kea-dhcp4[42300]: 2026-03-06 21:31:04.914 INFO  [kea-dhcp4.commands/42300.139790513530560] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:31:14 kea-dhcp4[42300]: 2026-03-06 21:31:14.926 INFO  [kea-dhcp4.commands/42300.139790530315968] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:31:24 kea-dhcp4[42300]: 2026-03-06 21:31:24.939 INFO  [kea-dhcp4.commands/42300.139790572279488] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:31:34 kea-dhcp4[42300]: 2026-03-06 21:31:34.952 INFO  [kea-dhcp4.commands/42300.139790521923264] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:31:44 kea-dhcp4[42300]: 2026-03-06 21:31:44.964 INFO  [kea-dhcp4.commands/42300.139790538708672] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:31:54 kea-dhcp4[42300]: 2026-03-06 21:31:54.975 INFO  [kea-dhcp4.commands/42300.139790547101376] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:32:04 kea-dhcp4[42300]: 2026-03-06 21:32:04.988 INFO  [kea-dhcp4.commands/42300.139790555494080] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:32:15 kea-dhcp4[42300]: 2026-03-06 21:32:15.000 INFO  [kea-dhcp4.commands/42300.139790513530560] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:32:25 kea-dhcp4[42300]: 2026-03-06 21:32:25.011 INFO  [kea-dhcp4.commands/42300.139790572279488] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:32:35 kea-dhcp4[42300]: 2026-03-06 21:32:35.023 INFO  [kea-dhcp4.commands/42300.139790563886784] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:32:45 kea-dhcp4[42300]: 2026-03-06 21:32:45.034 INFO  [kea-dhcp4.commands/42300.139790555494080] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:32:55 kea-dhcp4[42300]: 2026-03-06 21:32:55.047 INFO  [kea-dhcp4.commands/42300.139790547101376] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:33:05 kea-dhcp4[42300]: 2026-03-06 21:33:05.059 INFO  [kea-dhcp4.commands/42300.139790513530560] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:33:15 kea-dhcp4[42300]: 2026-03-06 21:33:15.072 INFO  [kea-dhcp4.commands/42300.139790530315968] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:33:25 kea-dhcp4[42300]: 2026-03-06 21:33:25.085 INFO  [kea-dhcp4.commands/42300.139790572279488] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:33:35 kea-dhcp4[42300]: 2026-03-06 21:33:35.098 INFO  [kea-dhcp4.commands/42300.139790538708672] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:33:45 kea-dhcp4[42300]: 2026-03-06 21:33:45.110 INFO  [kea-dhcp4.commands/42300.139790555494080] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:33:55 kea-dhcp4[42300]: 2026-03-06 21:33:55.123 INFO  [kea-dhcp4.commands/42300.139790547101376] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:34:05 kea-dhcp4[42300]: 2026-03-06 21:34:05.136 INFO  [kea-dhcp4.commands/42300.139790563886784] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:34:15 kea-dhcp4[42300]: 2026-03-06 21:34:15.148 INFO  [kea-dhcp4.commands/42300.139790572279488] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:34:25 kea-dhcp4[42300]: 2026-03-06 21:34:25.603 INFO  [kea-dhcp4.commands/42300.139790538708672] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:34:35 kea-dhcp4[42300]: 2026-03-06 21:34:35.615 INFO  [kea-dhcp4.commands/42300.139790521923264] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:34:45 kea-dhcp4[42300]: 2026-03-06 21:34:45.627 INFO  [kea-dhcp4.commands/42300.139790547101376] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:34:55 kea-dhcp4[42300]: 2026-03-06 21:34:55.640 INFO  [kea-dhcp4.commands/42300.139790538708672] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:35:05 kea-dhcp4[42300]: 2026-03-06 21:35:05.652 INFO  [kea-dhcp4.commands/42300.139790572279488] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:35:15 kea-dhcp4[42300]: 2026-03-06 21:35:15.663 INFO  [kea-dhcp4.commands/42300.139790530315968] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:35:26 kea-dhcp4[42300]: 2026-03-06 21:35:26.302 INFO  [kea-dhcp4.commands/42300.139790521923264] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:35:36 kea-dhcp4[42300]: 2026-03-06 21:35:36.314 INFO  [kea-dhcp4.commands/42300.139790547101376] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:35:46 kea-dhcp4[42300]: 2026-03-06 21:35:46.326 INFO  [kea-dhcp4.commands/42300.139790538708672] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:35:57 kea-dhcp4[42300]: 2026-03-06 21:35:57.200 INFO  [kea-dhcp4.commands/42300.139790513530560] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:36:07 kea-dhcp4[42300]: 2026-03-06 21:36:07.213 INFO  [kea-dhcp4.commands/42300.139790530315968] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:36:17 kea-dhcp4[42300]: 2026-03-06 21:36:17.226 INFO  [kea-dhcp4.commands/42300.139790555494080] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:36:27 kea-dhcp4[42300]: 2026-03-06 21:36:27.237 INFO  [kea-dhcp4.commands/42300.139790513530560] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:36:37 kea-dhcp4[42300]: 2026-03-06 21:36:37.248 INFO  [kea-dhcp4.commands/42300.139790547101376] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:36:47 kea-dhcp4[42300]: 2026-03-06 21:36:47.260 INFO  [kea-dhcp4.commands/42300.139790572279488] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:36:57 kea-dhcp4[42300]: 2026-03-06 21:36:57.272 INFO  [kea-dhcp4.commands/42300.139790563886784] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:37:07 kea-dhcp4[42300]: 2026-03-06 21:37:07.285 INFO  [kea-dhcp4.commands/42300.139790530315968] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:37:17 kea-dhcp4[42300]: 2026-03-06 21:37:17.297 INFO  [kea-dhcp4.commands/42300.139790513530560] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:37:27 kea-dhcp4[42300]: 2026-03-06 21:37:27.308 INFO  [kea-dhcp4.commands/42300.139790521923264] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:37:37 kea-dhcp4[42300]: 2026-03-06 21:37:37.320 INFO  [kea-dhcp4.commands/42300.139790563886784] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:37:47 kea-dhcp4[42300]: 2026-03-06 21:37:47.333 INFO  [kea-dhcp4.commands/42300.139790538708672] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:37:57 kea-dhcp4[42300]: 2026-03-06 21:37:57.345 INFO  [kea-dhcp4.commands/42300.139790547101376] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:38:07 kea-dhcp4[42300]: 2026-03-06 21:38:07.357 INFO  [kea-dhcp4.commands/42300.139790530315968] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:38:17 kea-dhcp4[42300]: 2026-03-06 21:38:17.369 INFO  [kea-dhcp4.commands/42300.139790563886784] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:38:27 kea-dhcp4[42300]: 2026-03-06 21:38:27.380 INFO  [kea-dhcp4.commands/42300.139790521923264] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:38:37 kea-dhcp4[42300]: 2026-03-06 21:38:37.394 INFO  [kea-dhcp4.commands/42300.139790572279488] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:38:47 kea-dhcp4[42300]: 2026-03-06 21:38:47.407 INFO  [kea-dhcp4.commands/42300.139790555494080] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:38:57 kea-dhcp4[42300]: 2026-03-06 21:38:57.419 INFO  [kea-dhcp4.commands/42300.139790563886784] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:39:07 kea-dhcp4[42300]: 2026-03-06 21:39:07.432 INFO  [kea-dhcp4.commands/42300.139790538708672] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:39:17 kea-dhcp4[42300]: 2026-03-06 21:39:17.444 INFO  [kea-dhcp4.commands/42300.139790513530560] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:39:27 kea-dhcp4[42300]: 2026-03-06 21:39:27.456 INFO  [kea-dhcp4.commands/42300.139790547101376] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:39:37 kea-dhcp4[42300]: 2026-03-06 21:39:37.469 INFO  [kea-dhcp4.commands/42300.139790572279488] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:39:47 kea-dhcp4[42300]: 2026-03-06 21:39:47.481 INFO  [kea-dhcp4.commands/42300.139790563886784] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:39:57 kea-dhcp4[42300]: 2026-03-06 21:39:57.493 INFO  [kea-dhcp4.commands/42300.139790538708672] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:40:07 kea-dhcp4[42300]: 2026-03-06 21:40:07.506 INFO  [kea-dhcp4.commands/42300.139790513530560] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:40:17 kea-dhcp4[42300]: 2026-03-06 21:40:17.518 INFO  [kea-dhcp4.commands/42300.139790563886784] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:40:27 kea-dhcp4[42300]: 2026-03-06 21:40:27.530 INFO  [kea-dhcp4.commands/42300.139790572279488] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:40:37 kea-dhcp4[42300]: 2026-03-06 21:40:37.542 INFO  [kea-dhcp4.commands/42300.139790538708672] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:40:47 kea-dhcp4[42300]: 2026-03-06 21:40:47.554 INFO  [kea-dhcp4.commands/42300.139790513530560] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:40:57 kea-dhcp4[42300]: 2026-03-06 21:40:57.566 INFO  [kea-dhcp4.commands/42300.139790521923264] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:41:07 kea-dhcp4[42300]: 2026-03-06 21:41:07.578 INFO  [kea-dhcp4.commands/42300.139790563886784] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:41:17 kea-dhcp4[42300]: 2026-03-06 21:41:17.589 INFO  [kea-dhcp4.commands/42300.139790513530560] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:41:27 kea-dhcp4[42300]: 2026-03-06 21:41:27.601 INFO  [kea-dhcp4.commands/42300.139790547101376] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:41:37 kea-dhcp4[42300]: 2026-03-06 21:41:37.613 INFO  [kea-dhcp4.commands/42300.139790538708672] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:41:47 kea-dhcp4[42300]: 2026-03-06 21:41:47.625 INFO  [kea-dhcp4.commands/42300.139790563886784] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:41:57 kea-dhcp4[42300]: 2026-03-06 21:41:57.637 INFO  [kea-dhcp4.commands/42300.139790513530560] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:42:07 kea-dhcp4[42300]: 2026-03-06 21:42:07.648 INFO  [kea-dhcp4.commands/42300.139790547101376] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:42:17 kea-dhcp4[42300]: 2026-03-06 21:42:17.661 INFO  [kea-dhcp4.commands/42300.139790538708672] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:42:27 kea-dhcp4[42300]: 2026-03-06 21:42:27.673 INFO  [kea-dhcp4.commands/42300.139790530315968] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:42:37 kea-dhcp4[42300]: 2026-03-06 21:42:37.686 INFO  [kea-dhcp4.commands/42300.139790513530560] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:42:47 kea-dhcp4[42300]: 2026-03-06 21:42:47.697 INFO  [kea-dhcp4.commands/42300.139790572279488] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:42:57 kea-dhcp4[42300]: 2026-03-06 21:42:57.710 INFO  [kea-dhcp4.commands/42300.139790547101376] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:43:07 kea-dhcp4[42300]: 2026-03-06 21:43:07.722 INFO  [kea-dhcp4.commands/42300.139790538708672] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:43:17 kea-dhcp4[42300]: 2026-03-06 21:43:17.735 INFO  [kea-dhcp4.commands/42300.139790563886784] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:43:27 kea-dhcp4[42300]: 2026-03-06 21:43:27.747 INFO  [kea-dhcp4.commands/42300.139790521923264] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:43:37 kea-dhcp4[42300]: 2026-03-06 21:43:37.759 INFO  [kea-dhcp4.commands/42300.139790572279488] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:43:47 kea-dhcp4[42300]: 2026-03-06 21:43:47.772 INFO  [kea-dhcp4.commands/42300.139790513530560] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:43:57 kea-dhcp4[42300]: 2026-03-06 21:43:57.784 INFO  [kea-dhcp4.commands/42300.139790555494080] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:44:07 kea-dhcp4[42300]: 2026-03-06 21:44:07.797 INFO  [kea-dhcp4.commands/42300.139790563886784] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:44:17 kea-dhcp4[42300]: 2026-03-06 21:44:17.809 INFO  [kea-dhcp4.commands/42300.139790530315968] COMMAND_RECEIVED Received command 'ha-heartbeat'
Mar 06 21:44:27 kea-dhcp4[42300]: 2026-03-06 21:44:27.822 INFO  [kea-dhcp4.commands/42300.139790521923264] COMMAND_RECEIVED Received command 'ha-heartbeat'

Nevermind, seems that just the heartbeat log item is very chatty, and the actual DHCP logs get lost in the shuffle. Filtering those heartbeat logs out is my fix.

Thanks!

How did you filter them out?

Apologies, just saw this now - I filtered them out on my Graylog instance, not on the VyOS side.