Fix various typos found

- Setup vifs< in pre_live_migration otherwise CRIU
  wont find the bridges that are needed.
- Remove "self.operations" method and point to the cleanup
  method in driver.LXDDriver
- Fix spelling typos

Change-Id: Id3d4a83b66da7f94329a0b9e2ff8cebaaa01b0ab
Signed-off-by: Chuck Short <chuck.short@canonical.com>

nova/tests/unit/virt/lxd/test_migrate.py

@@ -92,13 +92,10 @@ class LXDTestLiveMigrate(test.NoDBTestCase):
         self.migrate.pre_live_migration(
             mock.sentinel.context, mock.sentinel.instance,
             mock.sentinel.block_device_info,
-            mock.sentinel.network_info,
+            [],
             mock.sentinel.disk_info,
             mock.sentinel.migrate_data)
 
-        mock_container_profile.assert_called_once_with(
-            mock.sentinel.instance, mock.sentinel.network_info)
-
     @mock.patch.object(migrate.LXDContainerMigrate, '_container_init')
     def test_live_migration(self, mock_container_init):
         """Verify that the correct live migration calls
@@ -115,7 +112,7 @@ class LXDTestLiveMigrate(test.NoDBTestCase):
                                                     mock.sentinel.instance)
         mock_post_method.assert_called_once_with(
             mock.sentinel.context, mock.sentinel.instance, mock.sentinel.dest,
-            mock.sentinel.block_migration, mock.sentinel.dest)
+            mock.sentinel.block_migration)
 
     @mock.patch.object(migrate.LXDContainerMigrate, '_container_init')
     def test_live_migration_failed(self, mock_container_init):