- good regular expression for warning messages (letters from : https://linux.die.net/man/8/traceroute)
- remove the example with the command mail (which report with traceroute ?)
traceroute to 30.0.0.4 (30.0.0.4), 30 hops max, 60 byte packets
1 10.0.0.2 (10.0.0.2) 0.648 ms 0.479 ms 0.426 ms
2 23.0.0.3 (23.0.0.3) 1.983 ms 2.402 ms 2.509 ms
3 23.0.0.3 (23.0.0.3) 3058.805 ms !H 3059.171 ms !H 3058.985 ms !H