[Pkg-utopia-maintainers] Bug#755202: network-manager: keeps creating and using new connection "eth0" that does not work

[Dominique Dumont]

On Fri, 23 Feb 2018 17:33:13 +0100 Matthijs Kooijman <matthijs at stdin.nl> 
wrote:
> previously, people suggested completely disabling ipv6 as a workaround
> (or at least debugging tool). This, combined with the previous analysis
> made me realize another workaround: Just disable ipv6 autoconf by the
> kernel. I dropped these two lines in my sysctl.conf:
> 
> 	net.ipv6.conf.eth0.autoconf=0
> 	net.ipv6.conf.eth0.accept_ra=0
> 

See also this mail for concerns about accept_ra and autoconf:

http://lkml.iu.edu/hypermail/linux/kernel/0902.2/03180.html


HTH