def poweron(self, host_id):
        hostname = self.config_manager.get_hostname(host_id)
        sys_id = self._get_create_system(hostname)
        if not self._check_and_set_system_impi(sys_id):
            return

        self.remote.power_system(sys_id, self.token, power='on')
        logging.info(host_id % "Host with ID=%d starts to power on!")
dataset/ETHPy150Open openstack/compass-core/compass/deployment/installers/os_installers/cobbler/cobbler.py/CobblerInstaller.poweron/swapped operands of `%`