The earliest recollection of this bug is traced back to PAN-OS 10.2.10 - November 18, 2024.
This bug is fixed in PAN-OS versions 10.2.10, 11.0.5.
Fixed an issue where the following error message was seen frequently in the system logs: Clearing snmpd.log due to log overflow .
For more information:
https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-10-known-and-addressed-issues/pan-os-10-2-10-addressed-issues
https://docs.paloaltonetworks.com/pan-os/11-0/pan-os-release-notes/pan-os-11-0-5-known-and-addressed-issues/pan-os-11-0-5-addressed-issues