[Lxc-users] lxc-start "eats" eth1

[Daniel Lezcano]

On 04/12/2011 03:35 PM, Ulli Horlacher wrote:
> On Tue 2011-04-12 (15:24), Daniel Lezcano wrote:
>> On 04/12/2011 09:19 AM, Ulli Horlacher wrote:
>>
>>> I use lxc with physical eth1.
>>> I can start the container, connect to it, etc. Everything looks ok. But
>>> when I stop the container and try to restart it, eth1 is no more availble.
>>> Looks lxc "eats" this interface. How can I free it (without rebooting the
>>> host (zoo))?
>>
>> It is probable it was renamed by the kernel when the container exited.
>
> Shouldn't I see it under another name then?
>
> I see only:
>
> root at zoo:~# ll /proc/sys/net/ipv4/conf/
> dr-xr-xr-x root     root                   - 2011-04-12 13:33:12 /proc/sys/net/ipv4/conf/all
> dr-xr-xr-x root     root                   - 2011-04-12 15:30:22 /proc/sys/net/ipv4/conf/br0
> dr-xr-xr-x root     root                   - 2011-04-12 13:33:12 /proc/sys/net/ipv4/conf/default
> dr-xr-xr-x root     root                   - 2011-04-12 15:31:17 /proc/sys/net/ipv4/conf/dev3

I think it is dev3. You can check with the index.

> dr-xr-xr-x root     root                   - 2011-04-12 15:30:22 /proc/sys/net/ipv4/conf/eth0
> dr-xr-xr-x root     root                   - 2011-04-12 15:30:22 /proc/sys/net/ipv4/conf/eth2
> dr-xr-xr-x root     root                   - 2011-04-12 15:30:22 /proc/sys/net/ipv4/conf/eth3
> dr-xr-xr-x root     root                   - 2011-04-12 15:30:22 /proc/sys/net/ipv4/conf/eth4
> dr-xr-xr-x root     root                   - 2011-04-12 15:30:22 /proc/sys/net/ipv4/conf/eth5
> dr-xr-xr-x root     root                   - 2011-04-12 15:30:22 /proc/sys/net/ipv4/conf/eth6
> dr-xr-xr-x root     root                   - 2011-04-12 15:30:22 /proc/sys/net/ipv4/conf/eth7
> dr-xr-xr-x root     root                   - 2011-04-12 15:30:22 /proc/sys/net/ipv4/conf/eth8
> dr-xr-xr-x root     root                   - 2011-04-12 15:30:22 /proc/sys/net/ipv4/conf/eth9
> dr-xr-xr-x root     root                   - 2011-04-12 15:30:22 /proc/sys/net/ipv4/conf/lo
>
>
>> I think it was fixed by:
>>
>> http://lxc.git.sourceforge.net/git/gitweb.cgi?p=lxc/lxc;a=commit;h=d472214b8342a0b705ed40e358cf9caff427042a
>>
>> This fix is available in the 0.7.4.1 version
>
> I use lxc provided by Ubuntu 10.04
>
> Must I patch the kernel?
>
>