iRule to log HTTP request as Apache combined standard format

Here are the results of the two commands:

     tmsh list sys syslog
sys syslog {
    include "destination remote_server {tcp(10.100.100.13 port (514));};filter f                                              _alllogs {level (debug...emerg);};log {source(local);filter(f_alllogs);destinati                                              on(remote_server);};"
    remote-servers {
        remotesyslog1 {
            host 10.100.100.13
            local-ip 172.19.208.17
        }
    }
}

 tmsh list sys syslog all-properties
sys syslog {
    auth-priv-from notice
    auth-priv-to emerg
    console-log enabled
    cron-from warning
    cron-to emerg
    daemon-from notice
    daemon-to emerg
    description none
    include "destination remote_server {tcp(10.100.100.13 port (514));};filter f_alllogs {level (debug...emerg);};log {source(local);filter(f_alllogs);destination(remote_server);};"
    iso-date disabled
    kern-from notice
    kern-to emerg
    local6-from notice
    local6-to emerg
    mail-from notice
    mail-to emerg
    messages-from notice
    messages-to warning
    remote-servers {
        remotesyslog1 {
            description none
            host 10.100.100.13
            local-ip 172.19.208.17
            remote-port 514
        }
    }
    user-log-from notice
    user-log-to emerg
}