==========
shellcheck - FAILED


 ====== Checking before the patch ======
 ====== Checking the tree with the patch ======
tools/testing/selftests/net/test_neigh.sh is a new file, but not shellcheck compliant
New errors added
--- /tmp/tmp.uCP3mjBahF	2025-06-26 01:31:01.267025350 -0700
+++ /tmp/tmp.q3zpnSkCpX	2025-06-26 01:31:03.164014785 -0700
@@ -0,0 +1,8 @@
+
+In test_neigh.sh line 43:
+	ip -n "$ns1" link add veth0 type veth peer name veth1 netns "$ns2"
+               ^--^ SC2154 (warning): ns1 is referenced but not assigned.
+                                                                     ^--^ SC2154 (warning): ns2 is referenced but not assigned.
+
+For more information:
+  https://www.shellcheck.net/wiki/SC2154 -- ns1 is referenced but not assigned.