diff --git a/quantum/agent/linux/interface.py b/quantum/agent/linux/interface.py
index 03ed071dfe..b622d1e96a 100644
--- a/quantum/agent/linux/interface.py
+++ b/quantum/agent/linux/interface.py
@@ -165,7 +165,7 @@ class BridgeInterfaceDriver(LinuxInterfaceDriver):
             root_veth.link.set_address(mac_address)
 
             namespace = ip.ensure_namespace(network_id)
-            namespace.add_device_to_namespace(root_veth)
+            namespace.add_device_to_namespace(dhcp_veth)
 
             root_veth.link.set_up()
             dhcp_veth.link.set_up()
diff --git a/quantum/tests/unit/test_linux_interface.py b/quantum/tests/unit/test_linux_interface.py
index a9d9cd6387..8de30e28ae 100644
--- a/quantum/tests/unit/test_linux_interface.py
+++ b/quantum/tests/unit/test_linux_interface.py
@@ -178,7 +178,7 @@ class TestBridgeInterfaceDriver(TestBase):
             [mock.call('sudo'),
              mock.call().add_veth('tap0', 'dhc0'),
              mock.call().ensure_namespace('01234567-1234-1234-99'),
-             mock.call().ensure_namespace().add_device_to_namespace(mock.ANY)])
+             mock.call().ensure_namespace().add_device_to_namespace(ns_veth)])
 
         root_veth.assert_has_calls([mock.call.link.set_up()])
         ns_veth.assert_has_calls([mock.call.link.set_up()])