Tos 5.0.176 to 5.1.24 upgrade cause F5-421 to fail to boot.

[cwlk001380]

F5-421 Tos won't boot correctly after upgrade from 5.0.176 to 5.1.24. I've tried updating (manually and through the update method in OS) and with a reinstall. After hooking to a monitor I see Kernel panic messages and a repeating error message of "/lib64/libc.so.6: CPU ISA level is lower than required". If I go into the bios and tell it to boot from the usb, the device will boot up to 5.1.24 but upon reboot starts failing with the same error messages.

[TMnorah]

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