Syslog commands

config
    - log
        - [no] syslog syslog-id
            - address ip-address
            - no address
            - description description-string
            - no description
            - facility syslog-facility
            - no facility
            - level {emergency | alert | critical | error | warning | notice | info | debug}
            - no level
            - log-prefix log-prefix-string
            - no log-prefix
            - port port
            - no port