Fixing udev-udeb vs. net.ifnames for Stretch Alpha 1

[Adam D. Barratt]

On Thu, 2015-07-16 at 21:09 +0200, Cyril Brulebois wrote:
> Cyril Brulebois <kibi at debian.org> (2015-07-16):
> > Uploaded and accepted into tpu, thanks.
> 
> And binary builds are getting rejected due to the python3-systemd binary
> which was split out of src:systemd, and has a higher version in testing
> (230-1 >> 221-1+deb9u1).
> 
> I've therefore cherry-picked:
> | commit 3eabc6e72657015863d77039dcb64ae62c2ef0b2
> | Author: Michael Biebl <biebl at debian.org>
> | Date:   Wed Jul 8 01:07:53 2015 +0200
> | 
> |     Stop building the Python 3 bindings
> |     
> |     They were split into a separate source package upstream and are now
> |     built from src:python-systemd. See
> |     http://lists.freedesktop.org/archives/systemd-devel/2015-July/033443.html
> |     
> |     We keep a Build-Depends on python3 which is required to build the
> |     documentation.
> 
> I'm attaching the matching git format-patch and seeking a go from
> systemd maintainers and release team for a new attempt at t-p-u…

For the record, this was uploaded and I've added the relevant hints
(including an unblock-udeb after an IRC discussion with KiBi).

Regards,

Adam