Another systemd-resolved problem in 17.04

[Tom H]

On Thu, Jun 22, 2017 at 3:53 AM, Chris Green <cl at isbd.net> wrote:
> On Wed, Jun 21, 2017 at 06:07:54PM -0400, Tom H wrote:
>>
>> resolved is querying the wrong server because "fe80::..." is an ipv6
>> link-local address.
>>
>> Is there a log of when and/or why it became the dns server?
>
> The systemd-resolved set up on 17.04 has a local to the machine
> caching DNS so it could be right. It listens on 127.0.0.53 port 53.
>
> I don't quite understand why it's using IPV6 though, I thought I'd
> told everything not to use IPV6.

What I was asking was:

Is there a "Switching to DNS server ... fe80..." or "Switching to
fallback DNS server ... fe80..." in the log?