@PSGrabber: Great!
Then good news all around: the alias isn't supposed to work, OTA V1 only supports a *single* target device (hence the mess of packages when distributing stuff for those devices. And unless you use MRPI, we have to stick to OTA V1 on those devices).
(The error message is slightly vague because it's used in a number of different situations, and
the mess of tests in the if block is already beastly enough as it is ;p).
Thanks for your various tests, I'd never have thought that something was wrong on those CPUs since I thought I'd already done enough to support them

.