It is (not) totally OT to this thread, but not really related to ubiboot. So I do not want to hijack juicee's thread.
But:
I know about CAL. And I did not flash in between these two experiences. Just removed the dirs again and started all over to create my accounts.
Once it did not work. Second time it worked.

BTW (if we speak OT ):
Is really nobody experiencing the same SIP behaviour with OpenKernel (no connection, but with stock kernel everything works) under ubiboot? Or does nobody use SIP?