Jan Synacek wrote:

By default, no interface string should be supplied. This ensures that we can
recognize if an interface was specified or omitted. Previously, when -I was not
used, default interface string was compiled-in and the automatic selection
didn't work correctly.

Okay, but to retain default device support compiled in,
different patch applied.

Thank you, anyway.

P.S. Even if default interface compiled in, you can say "-I ''" to
override that.

--yoshfuji