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PAN-OS 10.2.17 HA A/P - Mgt interface reported as duplicate IP of data interface

L1 Bithead

After installing PAN-OS 10.2.17 to a PA-440 HA A/P pair  ( to address - CVE-2025-4615 PAN-OS: Improper Neutralization of Input in the Management Web Interface . ) 'duplicate IP' system logs reported where the stated MAC address appears to be the fw mgt interface. This is reported as a duplicate of the 'facing' data interface.

Example:

Received conflicting ARP on interface ethernet1/n.nn indicating duplicate IP n.n.n.n, sender mac 8c:36:nn.nn.nn

Anyone else experienced this behaviour ?

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