[WireGuard] wg set - unexpected change of routes

[Bruno Wolff III]

On Tue, Aug 30, 2016 at 07:44:54 +0100,
  Ivan Labáth <labawi-wg at matrix-dream.net> wrote:
>
>I think repeating subnets in different peers is most probably
>an error and in such circumstances the most useful action would
>be to fail and report it as such.

Except in some cases it is convenient to use a large network for one peer 
and carve out a small subnet in another. Having to list a big subnet with 
a carve out as the sum of smaller networks can be a big pain.