Error: Failed reading DHCP socket: No child processes

Hi all, I have migrated my freeradius 3.2.3 setup to a new RHEL9 server and am seeing this error message sometimes after a request is finished: (0) Finished request (0) Cleaning up request packet ID 3401348380 with timestamp +7 due to done Ready to process requests Failed reading DHCP socket: No child processes Ready to process requests Failed reading DHCP socket: No child processes Ready to process requests Any hints or clues to what might be causing it or what to check/configure? -- Ľudo Mikula