[Pkg-utopia-maintainers] Bug#850620: Bug#850620: [network-manager] does not update lifetime of temporary ipv6 addresses anymore, resulting in connection breakage

[Maximilian Engelhardt]

On Sonntag, 8. Januar 2017 17:34:09 CET Michael Biebl wrote:
> Hi
> 
> Am 08.01.2017 um 16:48 schrieb Maximilian Engelhardt:
> > Package: network-manager
> > Version: 1.4.4-1
> > Severity: important
> > 
> > --- Please enter the report below this line. ---
> > 
> > After updating to network-manger 1.4.4-1 I noticed a lot of breakages in
> > ssh connections.  It turned out this is related to temporary ipv6
> > addresses being deprecated, deleted and newly created at a rapid rate,
> > thus after a short time the address used by my ssh connection vanishes.
> > 
> > Having a closer look with "ip addr show" explained what is going on. My
> > router advertisements have a short lifetime configured. A new router
> > advertisement does only update the lifetime of the mngtmpaddr but not the
> > temporary addresses. This causes them to time out and permanently being
> > deleted and newly created.
> > 
> > Disabling network-manager doesn't show this problem. Also downgrading
> > network- manager to version 1.4.2-3 fixes this issue for me.
> 
> This doesn't look like a downstream specific issue, so it would be great
> if you can file this upstream at
> https://bugzilla.gnome.org/enter_bug.cgi?product=NetworkManager
> 
> You might check if it has already been reported at
> https://bugzilla.gnome.org/page.cgi?id=browse.html&product=NetworkManager
> 
> Once you have an upstream bug number, please report back so we can mark
> this bug accordingly.
> 
> Regards,
> Michael

I can confirm this is fixed by the upstream patch.

It would be great to get this fixed for stretch. In my test I just had to 
backport the upstream fix.

Thanks,
Maxi
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