[Swan-commit] Changes to ref refs/heads/main

[Andrew Cagney]

New commits:
commit d49d315ec8b71377a1fc9de9f0277d1396fec5c7
Author: Andrew Cagney <cagney at gnu.org>
Date:   Sat Mar 27 12:52:52 2021 -0400

    testing: sprinkle ping-once
    
    things are getting interesting for instance, replacing:
      ping -c 2 ...
      50% packet loss, but sometimes 100%
    with:
      ping-once --forget
      wait-for traffic status
      ping-once --up