eacb116053
When link_net is set, use it as link netns instead of dev_net(). This prepares for rtnetlink core to create device in target netns directly, in which case the two namespaces may be different. Convert common ip_tunnel_newlink() to accept an extra link netns argument. Signed-off-by: Xiao Liang <shaw.leon@gmail.com> Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com> Link: https://patch.msgid.link/20250219125039.18024-7-shaw.leon@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>