On Thu, Feb 16, 2017 at 09:46:15PM -0500, Daniel Kahn Gillmor wrote:
> On Wed 2017-02-15 16:31:54 -0500, Baptiste Jonglez wrote:
> > On jessie, it worked exactly the same with the 4.9 kernel from
> > jessie-backports:
> >
> > # cat /etc/apt/sources.list
> > deb http://httpredir.debian.org/debian jessie main
> > deb http://httpredir.debian.org/debian jessie-backports main
> > deb http://httpredir.debian.org/debian unstable main
> > # cat /etc/apt/preferences.d/limit-unstable
> > Package: *
> > Pin: release a=unstable
> > Pin-Priority: 200
> > # apt update
> > # apt install -t jessie-backports linux-image-amd64 linux-base
> > # reboot
> > # apt install wireguard-dkms wireguard-tools
> > # ./client.sh
> > # ping 192.168.4.1
> > PING 192.168.4.1 (192.168.4.1) 56(84) bytes of data.
> > 64 bytes from 192.168.4.1: icmp_seq=1 ttl=64 time=15.1 ms
> 
> interesting, thanks for testing and reporting back!
> 
> are you sure that with this installation on jessie, the wireguard
> packages are the only things that got pulled in from unstable?

Yes, it pulled only dkms and menu (from jessie).  Though I probably had
the other dependencies already installed (from jessie or jessie-backports).