[lxc-users] lxc insttability

[Fajar A. Nugraha]

Both.

To be accurate, the script tries to delete the host part, but since the
pair is managed as one (in terms of add/delete) it causes the pair to be
gone as well.

-- 
Fajar

On Fri, Feb 19, 2016 at 11:08 PM, Bostjan Skufca <bostjan at a2o.si> wrote:

> Does it delete both interfaces, the one in host's namespace which is added
> to bridge (vethX) and the one in container's namespace (appears as ethX in
> there) too?
>
> b.
>
>
> On 19 February 2016 at 11:58, Fajar A. Nugraha <list at fajar.net> wrote:
>
>> On Fri, Feb 19, 2016 at 5:41 PM, Bostjan Skufca <bostjan at a2o.si> wrote:
>>
>>> I had similar experience using CentOS 7 as host.
>>>
>>> I did not investigate it yet, but for some reason veth network
>>> interfaces were not being destroyed when containers stopped, and this could
>>> only be seen with "brctl show" as more interfaces were attached to a bridge
>>> than there were containers running. The effect was that multiple network
>>> interfaces with the same MAC were attached to the bridge and successful
>>> connections were, well, sporadic.
>>>
>>> On the first inspection it only happened to some containers that had
>>> explicit mounts from outside (unconfirmed!, just a hunch for now).
>>>
>>>
>>
>> I use a workaround:
>>
>> # ls -la /etc/lxc/script/net-down
>> -rwxr-xr-x 1 197623 197121 36 Apr 27  2015 /etc/lxc/script/net-down
>>
>>
>> # cat /etc/lxc/script/net-down
>> #!/bin/bash
>> /sbin/ip link del "$5"
>>
>>
>> # grep script /var/lib/lxc/rdp/config
>> lxc.network.script.down = /etc/lxc/script/net-down
>>
>>
>> The correct interface name is passed as argument to script executed
>> by lxc.network.script.down.
>>
>> --
>> Fajar
>>
>>
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>>
>
>
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