Weird behaviour with IPv6-gif-Tunnels since most recent update

[Stefan Unterweger]

* Stefan Unterweger on Fri, Nov 18, 2016 at 11:34:28AM +0100:
> Right now, the machine is at 566cfef031.  I accidentally messed up my
> notes, so I don’t exactly know where it was previously, but somewhere
> shortly after 4.7 branch (most likely 50787d03cd0a)  The tunnel worked
> fine ever since 4.4, the configuration has not been touched ever since
> then, this behaviour is new.  It seems to be specific to it being a
> -tunnel-; I have upgraded other servers to the same release before,
> there were no hiccups when I talked to them via IPv6.

Actually, it runs on d998b496dc; there are a few minor patches in some
of the startup scripts, but they only concert vinum.

    Stefan

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