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

[Andrew Cagney]

New commits:
commit 3557f79469d90475d85c011c382df29e1f3f46b1
Author: Andrew Cagney <cagney at gnu.org>
Date:   Sat Mar 27 19:22:33 2021 -0400

    testing: sprinkle ping-once.sh
    
    Interesting things here:
    - use multiple ping-once.sh's so that north/road have
      different packet counts
    - use "set +m" to supress shell bg messages; and
      "wait" to sync up a background tcpdump