Hmm, I think this is because Flent will do hostname resolution of the main test host and use the same v4/v6 decision for the ping_hosts. I guess that needs to be relaxed so IP versions can be mixed (in the absence of explicit v4/v6 command-line switches) -- You are receiving this because you are subscribed to this thread. Reply to this email directly or view it on GitHub: https://github.com/tohojo/flent/issues/194#issuecomment-581026208