[lxc-users] lxcbr0 failed in 14.04 (maybe a network config problem not lxc, need advise)

[B G]

I have been having similar problems after upgrading to 15.10.  I just
completely rebuilt the server and had exactly the same problems.  I also
tried uninstalling/re-installing and it didn't work...

Try this:

lxd uses lxcbr0 bridge by default.
I've had some trouble with lxc-net under systemd as well. Can you do
ifconfig -a
sudo systemctl stop lxc-net
sudo systemctl start lxc-net
ifconfig -a
and see if lxcbr0 shows up in the second ifconfig output?


Found this in this thread:

https://github.com/lxc/lxd/issues/543



I also have tried commenting out the dns line from the NetworkManager.conf
file...  It seems as if NetworkManager may also cause some conflicts...

/etc/NetworkManager/NetworkManager.conf

#dns=dnsmasq

Then restart NetworkManager



On Sun, Nov 1, 2015 at 8:24 PM, Yonsy Solis <yonsy.s.p at gmail.com> wrote:

> Hi
>
> I am working now with lxc/lxd in 14.04 servers, no problems with this.
>
> The problem is in my desktop machine (14.04 too), after my machine boots,
> i need to restart lxc-net service (sudo restart lxc-net) to have lxcbr0
> device and work with lxd instances (and launch lxc instances with my user,
> privileged or un-privileged)
>
> i think that is a boot problem but the only related message in
> /var/log/syslog is:
>
> =====
> NetworkManager[1736]: <info> (lxcbr0): ignoring bridge not created by
> NetworkManager
> =====
>
> i have onlys dnsmasq-base in my workstation, no dnsmasq, so i think that
> is a config problem but i can't find now this, some help is needed
>
> P.D. i uninstall and reinstall lxc, lxd and lxd-client for testing and
> checks, same results.
>
>
> Yonsy Solis
>
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> lxc-users at lists.linuxcontainers.org
> http://lists.linuxcontainers.org/listinfo/lxc-users
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