On Mon, 2015-03-02 at 20:54 +0100, Frederik Himpe wrote:
> On ma, 2015-03-02 at 20:43 +0100, Thomas Haller wrote:
> 
> > The question is, who configures that interface? Don't do that if you
> > don't want it. Maybe some script that ups the interface and enables
> > SLAAC?
> 
> I have no idea. Does not the kernel automatically configure the IPv6
> using SLAAC without any user space intervention? Or should I
> set /proc/sys/net/ipv6/conf/*/accept_ra to 0 in order to use NM?

Yes, it might, if something is setting the interface IFF_UP before NM
starts.

> I also have netconsole activated via this line in a file
> in /etc/modprobe.d:
> 
> options netconsole 
> netconsole=6666@192.168.5.205/eth0,6666@192.168.5.128/24:77:03:f0:16:64
> 
> Could this be related in some way?

Yes, that might well bring the interface into IFF_UP state before NM
starts, at which point the interface might already be assigned both IPv4
and IPv6 LL addresses before NM starts, leading to the behavior you see.

Dan

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