[bug-n1wxwkrtcnds] add pod link-local NUD source

Co-Authored-By: Codex (GPT-5) <noreply@openai.com>

go.mod

@@ -6,6 +6,7 @@ require (
 	github.com/containernetworking/cni v1.3.0
 	github.com/containernetworking/plugins v1.9.1
 	github.com/vishvananda/netlink v1.3.1
+	golang.org/x/sys v0.40.0
 	k8s.io/api v0.36.0
 	k8s.io/apimachinery v0.36.0
 	k8s.io/client-go v0.36.0
@@ -35,7 +36,6 @@ require (
 	go.yaml.in/yaml/v3 v3.0.4 // indirect
 	golang.org/x/net v0.49.0 // indirect
 	golang.org/x/oauth2 v0.34.0 // indirect
-	golang.org/x/sys v0.40.0 // indirect
 	golang.org/x/term v0.39.0 // indirect
 	golang.org/x/text v0.33.0 // indirect
 	golang.org/x/time v0.14.0 // indirect