selftest: net: Specify netns for ip ntable in test_neigh.sh.

test_neigh.sh configures the following attributes in the root
netns, but now these can be set per netns.

  * NDTA_THRESH1 / NDTA_THRESH2 / NDTA_THRESH3
  * NDTPA_BASE_REACHABLE_TIME

Let's specify netns for "ip ntable".

Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/20260902203722.926528-16-kuniyu@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Kuniyuki Iwashima 2026-09-02 20:36:56 +00:00 • committed by Jakub Kicinski
commit 10aa857628