[ '0' => '紧急', '1' => '警报', '2' => '严重', '3' => '错误', '4' => '警告', '5' => '通知', '6' => '信息', '7' => '调试', ], 'facility' => [ '0' => '内核消息', '1' => '用户级消息', '2' => '邮件系统', '3' => '系统守护进程', '4' => '安全/授权消息', '5' => 'syslogd内部生成的消息', '6' => '行式打印机子系统', '7' => '网络新闻子系统', '8' => 'UUCP子系统', '9' => '时钟守护进程', '10' => '安全/授权消息', '11' => 'FTP守护进程', '12' => 'NTP子系统', '13' => '日志审计', '14' => '日志警报', '15' => '时钟守护进程(注意2)', '16' => '本地使用0(local0)', '17' => '本地使用1(local1)', '18' => '本地使用2(local2)', '19' => '本地使用3(local3)', '20' => '本地使用4(local4)', '21' => '本地使用5(local5)', '22' => '本地使用6(local6)', '23' => '本地使用7(local7)', ], ];