Comment 13 for bug 1649124

That part was added between Mitaka and Newton :

diff --git a/neutron/agent/ovsdb/impl_vsctl.py b/neutron/agent/ovsdb/impl_vsctl.py
index 89df8df..51d19cc 100644
--- a/neutron/agent/ovsdb/impl_vsctl.py
+++ b/neutron/agent/ovsdb/impl_vsctl.py
@@ -163,6 +163,21 @@ class OvsdbVsctl(ovsdb.API):
     def transaction(self, check_error=False, log_errors=True, **kwargs):
         return Transaction(self.context, check_error, log_errors, **kwargs)

+ def add_manager(self, connection_uri):
+ # This will add a new manager without overriding existing ones.
+ conn_uri = 'target="%s"' % connection_uri
+ args = ['create', 'Manager', conn_uri, '--', 'add', 'Open_vSwitch',
+ '.', 'manager_options', '@manager']
+ return BaseCommand(self.context, '--id=@manager', args=args)
+
+ def get_manager(self):
+ return MultiLineCommand(self.context, 'get-manager')
+
+ def remove_manager(self, connection_uri):
+ args = ['get', 'Manager', connection_uri, '--', 'remove',
+ 'Open_vSwitch', '.', 'manager_options', '@manager']
+ return BaseCommand(self.context, '--id=@manager', args=args)
+
     def add_br(self, name, may_exist=True, datapath_type=None):
         opts = ['--may-exist'] if may_exist else None
         params = [name]