Interface's Address is not saved when SaveConfig = true in config

[ST]

Debian 8 Jessie
iproute2/oldstable,now 3.16.0-2 amd64


On Fri, 2018-04-20 at 21:39 +0000, Jason A. Donenfeld wrote:
> Out of date iproute2?
> 
> 
> Which distro? Version?
> 
> --
> Sent from my telephone.
> 
> 
> On Fri, Apr 20, 2018, 12:36 ST <smntov at gmail.com> wrote:
> 
>         Hello,
>         
>         I have 
>         ...
>         Address = 192.168.4.1/24
>         SaveConfig = true
>         in wg0.conf
>         
>         1. if I add a peer with `wg set wg0 peer ...` WG doesn't add
>         it
>         immediately to the wg0.conf file, only after I run `wg-quick
>         down wg0`.
>         Why not? What happens if the system crashes unexpectedly?...
>         The peer
>         will not be saved to the config file and the information will
>         be lost.
>         
>         
>         2. once I run `wg-quick down wg0` I get:
>         
>         Option "-all" is unknown, try "ip -help".
>         cat: /etc/resolvconf/run/interface/wg0: No such file or
>         directory
>         [#] wg showconf wg0
>         sync: ignoring all arguments
>         [#] ip link delete dev wg0
>         
>         Now the wg0.conf is enhanced with the peer details that was
>         added
>         through command line, but the Address = 192.168.4.1/24
>         disappears from
>         the config. So running `wg-quick up wg0` again doesn't assigns
>         IP to the
>         wg0 interface... What's wrong?
>         
>         I'm using version:
>         apt list wireguard
>         wireguard/unstable,now 0.0.20180304-1 all [installed]
>         
>         Thank you!
>         
>         
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