Traceroute does not work in Linux

[willwh]

Ping ultimately resolves the correct IP, but based on the current code.... we only get the finally resolved IP from a DNS name, we don't get any IP for the hops between....

Related dotnet/runtime#37734

Testing this from my development environment (running Fedora 36)

willwh@claymore [11:09:37 PM] [~/src/dotnet/dotnetmtr] [main]
-> % sudo strace -o strace.log bin/Debug/net6.0/dotnetmtr --address willwh.com
1   *         Request timed out.
2   *         Request timed out.
3   *         Request timed out.
4   *         Request timed out.
5   27 ms     2606:4700:3035::ac43:9db4

strace.log

Need to do some more digging :)

[willwh]

-> % dotnet-trace collect -- bin/Debug/net6.0/dotnetmtr --address willwh.com 
No profile or providers specified, defaulting to trace profile 'cpu-sampling'

Provider Name                           Keywords            Level               Enabled By
Microsoft-DotNETCore-SampleProfiler     0x0000F00000000000  Informational(4)    --profile 
Microsoft-Windows-DotNETRuntime         0x00000014C14FCCBD  Informational(4)    --profile 

Launching: bin/Debug/net6.0/dotnetmtr --address willwh.com 
Process        : /home/willwh/src/dotnet/dotnetmtr/bin/Debug/net6.0/dotnetmtr
Output File    : /home/willwh/src/dotnet/dotnetmtr/dotnetmtr_20220529_231726.nettrace

[00:00:00:05]   Recording trace 1.1137   (MB)
Press <Enter> or <Ctrl+C> to exit...

Trace completed.
Process exited with code '0'.

Then getting a report of topN:

willwh@claymore [11:18:27 PM] [~/src/dotnet/dotnetmtr] [main *]
-> % dotnet-trace report dotnetmtr_20220529_231726.nettrace topN
Top 5 Functions (Exclusive)                                                  Inclusive           Exclusive           
1. Missing Symbol                                                            80.63%              80.63%              
2. WaitHandle.WaitOneNoCheck(int32)                                          6.26%               6.26%               
3. Monitor.Wait(class System.Object,int32)                                   6.25%               6.25%               
4. WaitHandle.WaitAnyMultiple(value class System.ReadOnlySpan`1<class Mic    6.21%               6.21%               
5. Monitor.Enter(class System.Object,bool&)                                  0.21%               0.21%