Re: A simple question

> we did.  it was called A6.  now we're apparently on to something else,
> like for example nothing, or for example pretending it's not a problem
> after all.
a6 wasn't even a start of a solution to the renumbering problem.
at best, it was a distraction, and a disaster waiting to happen.

note that a6 wouldn't have done anything to relieve the burden associated
with the case you cited - a host changing its network interface.