The earliest recollection of this bug is traced back to PAN-OS 8.1.11 - January 08, 2024.
This bug is fixed in PAN-OS versions 9.1.2, 8.1.11.
Fixed an issue where the VPN tunnel operational status incorrectly displays "up" even though the VPN tunnel is down.
Fixed an issue where the VPN tunnel operational status incorrectly displayed â up " even though the VPN tunnel is down.
For more information:
https://docs.paloaltonetworks.com/pan-os/8-1/pan-os-release-notes/pan-os-8-1-addressed-issues/pan-os-8-1-11-addressed-issues
https://docs.paloaltonetworks.com/pan-os/9-1/pan-os-release-notes/pan-os-9-1-addressed-issues/pan-os-9-1-2-addressed-issues