1  2008-07-05 06:10:40.113730 IP 10.0.0.5 > 172.16.20.1: mtrace 7: 172.16.40.1 to 172.16.20.1 reply-to 172.16.40.1
    2  2008-07-05 06:10:40.137809 IP 10.0.0.6 > 10.0.0.5: mtrace 7: 172.16.40.1 to 172.16.20.1 reply-to 172.16.40.1