Ad-Hoc MAC Address Random Every Reboot

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Looking for help on why the MAC of a Ad-Hoc interface changes every time at reboot.  The setup is Raspberry Pi 3 using internal wifi with Kali Linux.

ifconfig shows the permanent MAC but iwconfig with show the random MAC on the Ad-Hoc interface under "Cell"

Macchanger appears to not be causing the issue as the interface is excluded from getting a auto random MAC at boot.

 

Thanks for any help!