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

[Andrew Cagney]

New commits:
commit 7e130154c2046d448f711744c5466ea6abef6c04
Author: Andrew Cagney <cagney at gnu.org>
Date:   Fri Sep 17 15:02:51 2021 -0400

    testing: use ping-once.sh in libreswan-up-down.sh
    
    not wait-until-alive.sh which sends an undefined number of packets