Applicable to AU only.
Not applicable to BreezeNET-B units.
A list of up to 100 MAC Addresses of SUs.
If brzaccVLMacAddressDenyListAction is set to denyList,
these are SUs that are not allowed to transfer data
to the AU.
If brzaccVLMacAddressDenyListAction is set to allowList,
only these SUs are allowed to transfer data to the AU.