Updates a port

def update_port(self, port, name, admin_state_up=True):
        '''
        Updates a port
        '''
        port_id = self._find_port_id(port)
        body = {'name': name,
                'admin_state_up': admin_state_up}
        return self.network_conn.update_port(port=port_id,
                                             body={'port': body})