Entirely mechanical, produced by `ruff check --fix --select F401,F541,E713`
and reviewed rather than taken on faith: deleting an import is only safe if
nothing imports it for its side effects or re-exports it. None of the 19
removed names is referenced anywhere in its file, none appears in any string
literal, and none of the touched files uses eval, exec, globals() or
__import__, so there is no dynamic lookup that could reach them.
If LLDP is uncooperative, maybe the mac was learned.
If no mac apparently learned, then we ping_everywhere in hopes of soliciting traffic, and then rescan the switches.
Then get all mac addresses, try to determine zone from generated mac, and print on success.
Markus Hilger
Jarrod Johnson