The earliest recollection of this bug is traced back to PAN-OS 9.1.9 - July 29, 2024.
This bug is fixed in PAN-OS versions 9.1.9.
Fixed an issue where the new PA-7000100G network processing card (NPC) took 25 minutes to start after rebooting the PA-7080 chassis.
For more information:
https://docs.paloaltonetworks.com/pan-os/9-1/pan-os-release-notes/pan-os-9-1-addressed-issues/pan-os-9-1-9-addressed-issues