diff --git a/manila/network/linux/interface.py b/manila/network/linux/interface.py
index a4acc2ee04..f254849ccf 100644
--- a/manila/network/linux/interface.py
+++ b/manila/network/linux/interface.py
@@ -144,6 +144,20 @@ class LinuxInterfaceDriver(object):
         """Unplug the interface."""
 
 
+class NoopInterfaceDriver(LinuxInterfaceDriver):
+    """Noop driver when manila-share is already connected to admin network"""
+
+    def init_l3(self, device_name, ip_cidrs, namespace=None, clear_cidrs=[]):
+        pass
+
+    def plug(self, device_name, port_id, mac_address,
+             bridge=None, namespace=None, prefix=None):
+        pass
+
+    def unplug(self, device_name, bridge=None, namespace=None, prefix=None):
+        pass
+
+
 class OVSInterfaceDriver(LinuxInterfaceDriver):
     """Driver for creating an internal interface on an OVS bridge."""
 
diff --git a/manila/tests/network/linux/test_interface.py b/manila/tests/network/linux/test_interface.py
index 867d589a60..9897cd80a1 100644
--- a/manila/tests/network/linux/test_interface.py
+++ b/manila/tests/network/linux/test_interface.py
@@ -141,6 +141,21 @@ class TestABCDriver(TestBase):
         self.assertEqual(set(), result)
 
 
+class TestNoopInterfaceDriver(TestBase):
+
+    def test_init_l3(self):
+        self.ip.assert_not_called()
+        self.ip_dev.assert_not_called()
+
+    def test_plug(self):
+        self.ip.assert_not_called()
+        self.ip_dev.assert_not_called()
+
+    def test_unplug(self):
+        self.ip.assert_not_called()
+        self.ip_dev.assert_not_called()
+
+
 class TestOVSInterfaceDriver(TestBase):
 
     def test_get_device_name(self):