diff --git a/tempest/api/compute/servers/test_attach_interfaces.py b/tempest/api/compute/servers/test_attach_interfaces.py
index 9cdac55..10dc2c6 100644
--- a/tempest/api/compute/servers/test_attach_interfaces.py
+++ b/tempest/api/compute/servers/test_attach_interfaces.py
@@ -48,6 +48,7 @@
     def _create_server_get_interfaces(self):
         resp, server = self.create_test_server(wait_until='ACTIVE')
         resp, ifs = self.client.list_interfaces(server['id'])
+        self.assertEqual(200, resp.status)
         resp, body = self.client.wait_for_interface_status(
             server['id'], ifs[0]['port_id'], 'ACTIVE')
         ifs[0]['port_state'] = body['port_state']
@@ -55,6 +56,7 @@
 
     def _test_create_interface(self, server):
         resp, iface = self.client.create_interface(server['id'])
+        self.assertEqual(200, resp.status)
         resp, iface = self.client.wait_for_interface_status(
             server['id'], iface['port_id'], 'ACTIVE')
         self._check_interface(iface)
@@ -64,6 +66,7 @@
         network_id = ifs[0]['net_id']
         resp, iface = self.client.create_interface(server['id'],
                                                    network_id=network_id)
+        self.assertEqual(200, resp.status)
         resp, iface = self.client.wait_for_interface_status(
             server['id'], iface['port_id'], 'ACTIVE')
         self._check_interface(iface, network_id=network_id)
@@ -73,12 +76,14 @@
         iface = ifs[0]
         resp, _iface = self.client.show_interface(server['id'],
                                                   iface['port_id'])
+        self.assertEqual(200, resp.status)
         self.assertEqual(iface, _iface)
 
     def _test_delete_interface(self, server, ifs):
         # NOTE(danms): delete not the first or last, but one in the middle
         iface = ifs[1]
-        self.client.delete_interface(server['id'], iface['port_id'])
+        resp, _ = self.client.delete_interface(server['id'], iface['port_id'])
+        self.assertEqual(202, resp.status)
         _ifs = self.client.list_interfaces(server['id'])[1]
         start = int(time.time())
 
diff --git a/tempest/api/compute/v3/servers/test_attach_interfaces.py b/tempest/api/compute/v3/servers/test_attach_interfaces.py
index a3046c7..f919cbe 100644
--- a/tempest/api/compute/v3/servers/test_attach_interfaces.py
+++ b/tempest/api/compute/v3/servers/test_attach_interfaces.py
@@ -47,6 +47,7 @@
     def _create_server_get_interfaces(self):
         resp, server = self.create_test_server(wait_until='ACTIVE')
         resp, ifs = self.client.list_interfaces(server['id'])
+        self.assertEqual(200, resp.status)
         resp, body = self.client.wait_for_interface_status(
             server['id'], ifs[0]['port_id'], 'ACTIVE')
         ifs[0]['port_state'] = body['port_state']
@@ -54,6 +55,7 @@
 
     def _test_create_interface(self, server):
         resp, iface = self.client.create_interface(server['id'])
+        self.assertEqual(200, resp.status)
         resp, iface = self.client.wait_for_interface_status(
             server['id'], iface['port_id'], 'ACTIVE')
         self._check_interface(iface)
@@ -63,6 +65,7 @@
         network_id = ifs[0]['net_id']
         resp, iface = self.client.create_interface(server['id'],
                                                    network_id=network_id)
+        self.assertEqual(200, resp.status)
         resp, iface = self.client.wait_for_interface_status(
             server['id'], iface['port_id'], 'ACTIVE')
         self._check_interface(iface, network_id=network_id)
@@ -72,12 +75,14 @@
         iface = ifs[0]
         resp, _iface = self.client.show_interface(server['id'],
                                                   iface['port_id'])
+        self.assertEqual(200, resp.status)
         self.assertEqual(iface, _iface)
 
     def _test_delete_interface(self, server, ifs):
         # NOTE(danms): delete not the first or last, but one in the middle
         iface = ifs[1]
-        self.client.delete_interface(server['id'], iface['port_id'])
+        resp, _ = self.client.delete_interface(server['id'], iface['port_id'])
+        self.assertEqual(202, resp.status)
         _ifs = self.client.list_interfaces(server['id'])[1]
         start = int(time.time())