The earliest recollection of this bug is traced back to PAN-OS 8.1.20 - January 09, 2024. This bug is fixed in PAN-OS versions 9.1.11, 8.1.20. Fixed a memory leak issue where a process ( devsrvr ) restarted due to the memory limit being exceeded. For more information: https://docs.paloaltonetworks.com/pan-os/8-1/pan-os-release-notes/pan-os-8-1-addressed-issues/pan-os-8-1-20-addressed-issues https://docs.paloaltonetworks.com/pan-os/9-1/pan-os-release-notes/pan-os-9-1-addressed-issues/pan-os-9-1-11-addressed-issues