Create container

        :param container(string): container name (Container is equivalent to
                                  Bucket term in Amazon).
        :param **kwargs(dict): extend args for specific driver.

def create_container(self, container, **kwargs):
        """Create container

        :param container(string): container name (Container is equivalent to
                                  Bucket term in Amazon).
        :param **kwargs(dict): extend args for specific driver.
        """
        try:
            LOG.debug('create_container() with %s is success.', self.driver)
            return self.driver.create_container(container, **kwargs)
        except DriverException as e:
            LOG.exception('create_container() with %s raised\
                            an exception %s.', self.driver, e)