[PATCH] test: remove use of word master in test_red

[Tyler Retzlaff]

On Thu, Aug 17, 2023 at 07:33:14PM -0700, Stephen Hemminger wrote:
> No need to use term master here.
> 
> Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>
> ---

Acked-by: Tyler Retzlaff <roretzla at linux.microsoft.com>