[Devel] [PATCH 10/12] L2 network namespace: playing with pass-through device

[Daniel Lezcano]

Dmitry Mishin wrote:

>>>> Why do yo need to have a child list and sibling list ?
>>> Because of the level2<->level3 hierarchy, for example.
>> This hierarchy doesn't exist with ns->parent ? Do you have an example
>> when the hierarchy should be used ? I mean when we need to browse from
>> l2 -> l3 ?
> For example, to check that new ifaddr is already used by child l3 namespace.

The devinet isolation does already do that, you can not add a new ifaddr 
if it already exists. Do you have another example ?