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

[Andrew Cagney]

New commits:
commit bf09128683783958f4179ef1309a591894baa2e7
Author: Andrew Cagney <cagney at gnu.org>
Date:   Sat Nov 20 22:11:05 2021 -0500

    iface: drop redundant .protocol from struct iface_endpoint
    
    use .io->protocol

commit c4fbe6a15131ee98c5624d3caabd2dc2c1309b73
Author: Andrew Cagney <cagney at gnu.org>
Date:   Sat Nov 20 23:01:35 2021 -0500

    testing: in tcp tests let post-mortem.sh shutdown pluto