root@diorite:~# journalctl -xeu kea-dhcp4-server --no-pager -n14
Feb 19 13:34:53 diorite systemd[1]: Started kea-dhcp4-server.service - Kea IPv4 DHCP daemon.
░░ Subject: A start job for unit kea-dhcp4-server.service has finished successfully
░░ Defined-By: systemd
░░ Support: http://www.ubuntu.com/support
░░ 
░░ A start job for unit kea-dhcp4-server.service has finished successfully.
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░░ The job identifier is 3906.
Feb 19 13:34:53 diorite strace[2615]: 2026-02-19 13:34:53.690 INFO  [kea-dhcp4.dhcp4/2615.281473686882176] DHCP4_STARTING Kea DHCPv4 server version 2.4.1 (stable) starting
Feb 19 13:34:53 diorite kea-dhcp4[2615]: INFO  HOSTS_BACKENDS_REGISTERED the following host backend types are available: mysql postgresql
Feb 19 13:34:53 diorite kea-dhcp4[2615]: WARN  DHCPSRV_MT_DISABLED_QUEUE_CONTROL disabling dhcp queue control when multi-threading is enabled.
Feb 19 13:34:53 diorite kea-dhcp4[2615]: WARN  DHCP4_RESERVATIONS_LOOKUP_FIRST_ENABLED Multi-threading is enabled and host reservations lookup is always performed first.
Feb 19 13:34:53 diorite strace[2610]: openat(AT_FDCWD, "/usr/local/lib/aarch64-linux-gnu/kea/hooks/libdhcp_nosuchfile.so", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
Feb 19 13:34:53 diorite kea-dhcp4[2615]: ERROR HOOKS_OPEN_ERROR failed to open hook library /usr/local/lib/aarch64-linux-gnu/kea/hooks/libdhcp_nosuchfile.so: /usr/local/lib/aarch64-linux-gnu/kea/hooks/libdhcp_nosuchfile.so: cannot open shared object file: No such file or directory
Feb 19 13:34:53 diorite kea-dhcp4[2615]: ERROR DHCP4_PARSER_FAIL failed to create or run parser for configuration element hooks-libraries: hooks libraries failed to validate - library or libraries in error are: /usr/local/lib/aarch64-linux-gnu/kea/hooks/libdhcp_nosuchfile.so (/etc/kea/kea-dhcp4.conf:258:5)
Feb 19 13:34:53 diorite kea-dhcp4[2615]: ERROR DHCP4_CONFIG_LOAD_FAIL configuration error using file: /etc/kea/kea-dhcp4.conf, reason: hooks libraries failed to validate - library or libraries in error are: /usr/local/lib/aarch64-linux-gnu/kea/hooks/libdhcp_nosuchfile.so (/etc/kea/kea-dhcp4.conf:258:5)
Feb 19 13:34:53 diorite kea-dhcp4[2615]: ERROR DHCP4_INIT_FAIL failed to initialize Kea server: configuration error using file '/etc/kea/kea-dhcp4.conf': hooks libraries failed to validate - library or libraries in error are: /usr/local/lib/aarch64-linux-gnu/kea/hooks/libdhcp_nosuchfile.so (/etc/kea/kea-dhcp4.conf:258:5)
Feb 19 13:34:53 diorite strace[2615]: 2026-02-19 13:34:53.696 ERROR [kea-dhcp4.dhcp4/2615.281473686882176] DHCP4_INIT_FAIL failed to initialize Kea server: configuration error using file '/etc/kea/kea-dhcp4.conf': hooks libraries failed to validate - library or libraries in error are: /usr/local/lib/aarch64-linux-gnu/kea/hooks/libdhcp_nosuchfile.so (/etc/kea/kea-dhcp4.conf:258:5)
Feb 19 13:34:53 diorite strace[2610]: +++ exited with 1 +++
Feb 19 13:34:53 diorite systemd[1]: kea-dhcp4-server.service: Main process exited, code=exited, status=1/FAILURE
░░ Subject: Unit process exited
░░ Defined-By: systemd
░░ Support: http://www.ubuntu.com/support
░░ 
░░ An ExecStart= process belonging to unit kea-dhcp4-server.service has exited.
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░░ The process' exit code is 'exited' and its exit status is 1.
Feb 19 13:34:53 diorite systemd[1]: kea-dhcp4-server.service: Failed with result 'exit-code'.
░░ Subject: Unit failed
░░ Defined-By: systemd
░░ Support: http://www.ubuntu.com/support
░░ 
░░ The unit kea-dhcp4-server.service has entered the 'failed' state with result 'exit-code'.