diff -Nru neutron-lbaas-8.3.0/debian/changelog neutron-lbaas-8.3.0/debian/changelog
--- neutron-lbaas-8.3.0/debian/changelog	2016-10-15 13:06:47.000000000 +0100
+++ neutron-lbaas-8.3.0/debian/changelog	2017-02-13 15:43:20.000000000 +0000
@@ -1,3 +1,10 @@
+neutron-lbaas (2:8.3.0-0ubuntu1~cloud1) trusty-mitaka; urgency=medium
+
+  * Add patch to ensure namespace deleted by v1 driver delete_pool (LP: #1664203)
+    - d/p/ensure_namespace_deleted_with_pool.patch
+
+ -- Edward Hope-Morley <edward.hope-morley@canonical.com>  Mon, 13 Feb 2017 15:17:31 +0000
+
 neutron-lbaas (2:8.3.0-0ubuntu1~cloud0) trusty-mitaka; urgency=medium
 
   * New upstream release for the Ubuntu Cloud Archive.
diff -Nru neutron-lbaas-8.3.0/debian/patches/ensure_namespace_delete_with_pool.patch neutron-lbaas-8.3.0/debian/patches/ensure_namespace_delete_with_pool.patch
--- neutron-lbaas-8.3.0/debian/patches/ensure_namespace_delete_with_pool.patch	1970-01-01 01:00:00.000000000 +0100
+++ neutron-lbaas-8.3.0/debian/patches/ensure_namespace_delete_with_pool.patch	2017-02-13 15:17:24.000000000 +0000
@@ -0,0 +1,40 @@
+Description: Ensure namespace delete with pool
+
+Ensure that when a pool is deleted, its namepsace is
+also deleted.
+
+Origin: other
+Bug-Ubuntu: https://bugs.launchpad.net/ubuntu/+source/neutron-lbaas/+bug/1664203
+
+--- neutron-lbaas-8.3.0.orig/neutron_lbaas/services/loadbalancer/drivers/haproxy/namespace_driver.py
++++ neutron-lbaas-8.3.0/neutron_lbaas/services/loadbalancer/drivers/haproxy/namespace_driver.py
+@@ -145,7 +145,7 @@ class HaproxyNSDriver(agent_device_drive
+         if os.path.isdir(conf_dir):
+             shutil.rmtree(conf_dir)
+ 
+-        if delete_namespace:
++        if delete_namespace and ip_lib.IPWrapper().netns.exists(namespace):
+             ns = ip_lib.IPWrapper(namespace=namespace)
+             ns.garbage_collect_namespace()
+ 
+@@ -361,8 +361,7 @@ class HaproxyNSDriver(agent_device_drive
+         self._refresh_device(pool['id'])
+ 
+     def delete_pool(self, pool):
+-        if self.exists(pool['id']):
+-            self.undeploy_instance(pool['id'], delete_namespace=True)
++        self.undeploy_instance(pool['id'], delete_namespace=True)
+ 
+     def create_member(self, member):
+         self._refresh_device(member['pool_id'])
+--- neutron-lbaas-8.3.0.orig/neutron_lbaas/tests/unit/services/loadbalancer/drivers/haproxy/test_namespace_driver.py
++++ neutron-lbaas-8.3.0/neutron_lbaas/tests/unit/services/loadbalancer/drivers/haproxy/test_namespace_driver.py
+@@ -563,7 +563,7 @@ class TestHaproxyNSDriver(base.BaseTestC
+         ) as (undeploy, exists):
+             exists.return_value = False
+             self.driver.delete_pool({'id': '1'})
+-            self.assertFalse(undeploy.called)
++            self.assertTrue(undeploy.called)
+ 
+     def test_create_member(self):
+         with mock.patch.object(self.driver, '_refresh_device') as refresh:
diff -Nru neutron-lbaas-8.3.0/debian/patches/series neutron-lbaas-8.3.0/debian/patches/series
--- neutron-lbaas-8.3.0/debian/patches/series	2016-10-13 20:32:27.000000000 +0100
+++ neutron-lbaas-8.3.0/debian/patches/series	2017-02-13 15:43:40.000000000 +0000
@@ -1 +1,2 @@
 skip-failing-tests.patch
+ensure_namespace_delete_with_pool.patch