[PATCH net-next v8 01/11] rtnetlink: Lookup device in target netns when creating link

[Kuniyuki Iwashima]

From: Xiao Liang <shaw.leon at gmail.com>
Date: Mon, 13 Jan 2025 22:37:09 +0800
> When creating link, lookup for existing device in target net namespace
> instead of current one.
> For example, two links created by:
> 
>   # ip link add dummy1 type dummy
>   # ip link add netns ns1 dummy1 type dummy
> 
> should have no conflict since they are in different namespaces.
> 
> Signed-off-by: Xiao Liang <shaw.leon at gmail.com>

Reviewed-by: Kuniyuki Iwashima <kuniyu at amazon.com>