* Refactor MAC utils to a new utility class
* Apply fixes from StyleCI
* Inline functions
Add tests
Handle bridgeid format
* Apply fixes from StyleCI
* Dedicated code path for stp bridge parsing, and improve STP output a bit
* Correctly parse dot1dBaseBridgeAddress and don't store int in bool field
* trim any unexpected character from bridge addresses, add extra test data.
* better comment
* barsBridge can handle dot1dBaseBridgeAddress correctly now
* parseBridge, check for properly formatted mac first.
* update test data, empty data = empty mac
* Fix new usage after rebase
* import
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Co-authored-by: StyleCI Bot <bot@styleci.io>
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