MAAS 2.9 with NUC7i5DNB AMT not working

I have 8 NUC7i5DNB with AMT configured. In MAAS 2.8, I could add them all as machines and the power mgmt. worked great. Now, with 2.9, I cannot get AMT to work correctly.

I add a new machine via the HTTP interface, including the AMT info, machine shows up, then when MAAS commissions the machine, it shuts off and never comes back on.

AMT info:

MEBx Version
FW Version
LMS Version 1946.14.0.1377
MEI Driver Version 1944.14.0.1370
MEI DeviceID PCI\VEN_8086&DEV_9D3A&SUBSYS_20708086&REV_21\3&11583659&0&B0
SOL Driver Version 1946.14.0.1380
SOL DeviceID PCI\VEN_8086&DEV_9D3D&SUBSYS_20708086&REV_21\3&11583659&0&B3
PMC Version NA

MAAS is a fresh install on a fresh install o fUbuntu server 20.04.1 patched up.

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