[LTP] [PATCH v3 4/6] Add rtnetlink helper library

[Petr Vorel]

Hi Martin,

it'd be great if you (later) add docs from v1 cover letter [1] into
doc/test-writing-guidelines.txt.

Kind regards,
Petr

[1] https://patchwork.ozlabs.org/project/ltp/cover/20210426111918.4304-1-mdoucha@suse.cz/