add another multus test pod

cni/multus/pod-router2-router3.yaml

@@ -0,0 +1,27 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: router2
+  annotations:
+    k8s.v1.cni.cncf.io/networks: router2
+spec:
+  containers:
+  - name: samplepod
+    command: ["/bin/ash", "-c", "trap : TERM INT; sleep infinity & wait"]
+    image: alpine
+  nodeSelector:
+    kubernetes.io/hostname: "router2"
+---
+apiVersion: v1
+kind: Pod
+metadata:
+  name: router3
+  annotations:
+    k8s.v1.cni.cncf.io/networks: router3
+spec:
+  containers:
+  - name: samplepod
+    command: ["/bin/ash", "-c", "trap : TERM INT; sleep infinity & wait"]
+    image: alpine
+  nodeSelector:
+    kubernetes.io/hostname: "router3"