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

[Andrew Cagney]

New commits:
commit 0e3646a253f415980835edf3cbf88c3832a5fb0c
Author: Andrew Cagney <cagney at gnu.org>
Date:   Fri Apr 9 16:57:29 2021 -0400

    testing: use ping-once.sh --forget and other tricks of the trade
    
    For instance:
    
      -# ensure DPD on road triggers - clean up happens.
      -sleep 10
      +# wait for DPD on road to trigger down
      +../../guestbin/wait-for.sh --no-match private-or-clear -- ipsec whack --trafficstatus