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

[Andrew Cagney]

New commits:
commit 4b417979e1bb642fd9182180172c7f8d6ced78ae
Author: Andrew Cagney <cagney at gnu.org>
Date:   Fri Sep 10 10:06:02 2021 -0400

    testing: use ping-once.sh in interop-ikev2-xfrmi-strongswan-01
    
    <<ping -w 4 -c 4>> makes for a very close shave