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

[Andrew Cagney]

New commits:
commit da51196b6709586ace521ec8263148e37dc19361
Author: Andrew Cagney <cagney at gnu.org>
Date:   Mon Feb 22 19:48:11 2021 -0500

    ip: ip_selector cleanups
    
    - eliminate selector_ipproto()
    - sprinkle selector_is_unset()
    - add selector_from_subnet()
    - delete range_to_selector()

commit e21b22b9fd130b64ccbc07761be624f1827ce56e
Author: Andrew Cagney <cagney at gnu.org>
Date:   Mon Feb 22 20:31:53 2021 -0500

    ip: ip_info cleanups
    
    - add ip_info.selector.all aka ::/0
    - add ip_info.selector.none aka ::/128
    - rename ip_info.all_addresses to ip_info.subnet.all et.al.
      clearly differentiate between subnet and selector .all
    
    update tests