From: Xiao Liang <shaw.leon(a)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(a)gmail.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu(a)amazon.com>