В socket-name" пути указаны в /tmp т.е. "/tmp/kea4-ctrl-socket" Что приводит к ошибке DCTL_CONFIG_FILE_LOAD_FAIL Control-agent reason: invalid path specified: '/tmp', supported path is '/run/kea' изменив на /run/kea/... сервис запускается
kea-ctrl-agent-3.0.1-alt1 # grep socket-name /etc/kea/kea-ctrl-agent.conf "socket-name": "kea4-ctrl-socket" "socket-name": "kea6-ctrl-socket" "socket-name": "kea-ddns-ctrl-socket" # systemctl status kea-ctrl-agent ● kea-ctrl-agent.service - Kea Control Agent Loaded: loaded (/usr/lib/systemd/system/kea-ctrl-agent.service; enabled; preset: disabled) Active: active (running) since Mon 2025-10-13 12:24:34 MSK; 14s ago Invocation: 082b0de4d2ec4eb88cd63133a1dce622 Docs: man:kea-ctrl-agent(8) Main PID: 2159 (kea-ctrl-agent) Tasks: 5 (limit: 3547) Memory: 1.6M (peak: 1.7M) CPU: 42ms CGroup: /system.slice/kea-ctrl-agent.service └─2159 /usr/sbin/kea-ctrl-agent -c /etc/kea/kea-ctrl-agent.conf окт 13 12:24:34 server-11-0-x86-64-minimal-20251013.localdomain systemd[1]: Started kea-ctrl-agent.service - Kea Control Agent. окт 13 12:24:34 server-11-0-x86-64-minimal-20251013.localdomain kea-ctrl-agent[2159]: 2025-10-13 12:24:34.489 INFO [kea-ctrl-agent.dctl/2159.140319281886528] DCTL_STARTING Control-agent starting, pid: 2159, version: 3.0.1 (stable) окт 13 12:24:34 server-11-0-x86-64-minimal-20251013.localdomain kea-ctrl-agent[2159]: INFO CTRL_AGENT_HTTP_SERVICE_STARTED HTTP service bound to address: 172.16.21.1 port: 8000 окт 13 12:24:34 server-11-0-x86-64-minimal-20251013.localdomain kea-ctrl-agent[2159]: INFO DCTL_CONFIG_COMPLETE server has completed configuration: listening on 172.16.21.1, port 8000, control sockets: d2 dhcp4 dhcp6, requires basic HTTP authentication, 0 lib(s): окт 13 12:24:34 server-11-0-x86-64-minimal-20251013.localdomain kea-ctrl-agent[2159]: INFO CTRL_AGENT_STARTED Kea Control Agent version 3.0.1 started окт 13 12:24:34 server-11-0-x86-64-minimal-20251013.localdomain kea-ctrl-agent[2159]: WARN CTRL_AGENT_IS_DEPRECATED Kea Control Agent is deprecated. Its function has been moved to Kea servers.
# rpm -V kea-ctrl-agent; echo $? 0