Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error
prone - task.
The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.
No functional change intended.
Show IPv4/IPv6 header IFF there are some flows following.
Wrap some long lines.
Sponsored by Yandex LLC
Reviewed by: glebius (previous version)
Approved by: ae(mentor)
MFC after: 1 week
