diff --git a/pkg/harvester/list/__tests__/kubeovn.io.vpc.test.js b/pkg/harvester/list/__tests__/kubeovn.io.vpc.test.js
new file mode 100644
index 00000000..380348c0
--- /dev/null
+++ b/pkg/harvester/list/__tests__/kubeovn.io.vpc.test.js
@@ -0,0 +1,54 @@
+import { mount } from '@vue/test-utils';
+import HarvesterVPC from '../kubeovn.io.vpc.vue';
+
+// A table that renders the page's group header for each of the given groups
+function resourceTable(groups) {
+  return {
+    data:     () => ({ groups }),
+    template: '<div><div v-for="group in groups" :key="group.key" class="group"><slot name="group-by" :group="group" /></div></div>',
+  };
+}
+
+function mountList(groups) {
+  return mount(HarvesterVPC, {
+    props:  { schema: { id: 'kubeovn.io.vpc' } },
+    data:   () => ({ enabledKubeOvnAddon: true }),
+    global: {
+      stubs: {
+        ResourceTable: resourceTable(groups),
+        Masthead:      true,
+        Loading:       true,
+        'router-link': { template: '<a><slot /></a>' },
+      },
+      mocks: {
+        $fetchState: { pending: false },
+        t:           (key) => ({ 'harvester.vpc.label': 'Virtual Private Cloud', 'generic.none': 'None' }[key] || key),
+        $store:      {
+          getters: {
+            currentProduct:        { inStore: 'harvester' },
+            'harvester/all':       () => [],
+            'harvester/schemaFor': () => ({ collectionMethods: ['POST'] }),
+          },
+        },
+      },
+    },
+  });
+}
+
+describe('list: kubeovn.io.vpc', () => {
+  it('should label a group of subnets without a VPC as None and offer no VPC actions', () => {
+    const wrapper = mountList([{ key: '' }]);
+    const group = wrapper.find('.group');
+
+    expect(group.find('.group-tab').text()).toBe('Virtual Private Cloud: None');
+    expect(group.find('.right').exists()).toBe(false);
+  });
+
+  it('should label a VPC group with its name and offer the VPC actions', () => {
+    const wrapper = mountList([{ key: 'ovn-cluster' }]);
+    const group = wrapper.find('.group');
+
+    expect(group.find('.group-tab').text()).toBe('Virtual Private Cloud: ovn-cluster');
+    expect(group.findAll('.right a, .right button')).toHaveLength(3);
+  });
+});
diff --git a/pkg/harvester/list/kubeovn.io.vpc.vue b/pkg/harvester/list/kubeovn.io.vpc.vue
index 254200c4..8fb94952 100644
--- a/pkg/harvester/list/kubeovn.io.vpc.vue
+++ b/pkg/harvester/list/kubeovn.io.vpc.vue
@@ -139,7 +139,8 @@ export default {
   },
   methods: {
     groupLabel(group) {
-      return `${ this.t('harvester.vpc.label') }: ${ group.key }`;
+      // Kube-OVN sets a subnet's VPC (ovn-cluster when none is given), so an empty one is a subnet it hasn't processed
+      return `${ this.t('harvester.vpc.label') }: ${ group.key || this.t('generic.none') }`;
     },
 
     slotName(vpc) {
@@ -226,7 +227,10 @@ export default {
               {{ groupLabel(group) }}
             </span>
           </div>
-          <div class="right">
+          <div
+            v-if="group.key"
+            class="right"
+          >
             <router-link
               v-if="isSubnetCreatable"
               class="btn btn-sm role-secondary mr-5"