diff --git a/kustomize-bases/cilium/l2-advertisement.yaml b/kustomize-bases/cilium/l2-advertisement.yaml
index b4c4072..7475dc7 100644
--- a/kustomize-bases/cilium/l2-advertisement.yaml
+++ b/kustomize-bases/cilium/l2-advertisement.yaml
@@ -9,3 +9,5 @@ spec:
     matchExpressions:
       - key: node-role.kubernetes.io/control-plane
         operator: DoesNotExist
+  interfaces:
+    - eth0