Found Kea did not start after the pkg upgrade to 2.4.2. Mostly due to some of the paths tied to down those compiled in unless overridden with an env variable. However I cannot specify a control-socket in the kea-dhcp4.conf file without creating an issue where Kea will not start at boot. The reason is: "As of Kea 2.4.2, control sockets may only reside in the directory determined during compilation as "[kea-install-dir]/var/run/kea", which must also have 0750 access rights." And indeed if I 'chmod 750 /var/run/kea' then Kea will start, however on a reboot the permissions on /var/run/kea get changed to 775 and therefore Kea will not start an fails with: "ERROR DHCP4_INIT_FAIL failed to initialize Kea server: configuration error using file '/etc/kea/4kea.conf': 'socket-name' is invalid: socket path:/var/run/kea does not exist or does not have permssions = 750" Workaround for now is to leave the control-socket parameters out of the conf file(s), but this should not be necessary. Looks like changing the following line /etc/rc.d/kea : install -d -o root -g _kea -m 775 /var/run/kea to install -d -o root -g _kea -m 750 /var/run/kea may resolve the issue.
Chris