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The earliest recollection of this bug is traced back to PAN-OS 9.1.6 - July 22, 2025. This bug is fixed in PAN-OS versions 9.1.6. Fixed an issue on the firewalls with an IPsec/Encapuslating Security Payload (ESP) traffic with GlobalProtect gateway configuration where multiple processes ( flow_ctrl , pktlog_forwarding , and all_task ) restarted, which caused the device to reboot. For more information: https://docs.paloaltonetworks.com/pan-os/9-1/pan-os-release-notes/pan-os-9-1-addressed-issues/pan-os-9-1-6-addressed-issues
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