We don't currently support --mac-address

Make this clear in the docs and Command.

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

Closes: #1138
Approved by: mheon
This commit is contained in:
Internal Server Error - Gitea: Git with a cup of tea
500 Internal Server Error

Gitea Version: 1.28.0+dev-477-g8b6ad49a5f