Async

The operation deferral has now been hand-tested.
Quoting gsilvis (2014-10-16 11:23:37)
 
>    I actually can't find a create call that DOESN'T use db.add. (We only
>    have 6 or so of them.) I also think of the code as "Write an entry in
>    the log, saying ...", rather than "Set the NIC's current action to
>    ...". I think the code mirrors the first interpretation well.

You're totally right, the code doesn't match my memory. Very well.