The value of tmnxBsxAaGrpPartIndex specifies the
partition index within an AA group.
The corresponding row for the AA group must
have already been created in the tmnxBsxIsaAaGrpTable.
Partition index '0' indicates group wide AA policy
information, and is automatically created when the
AA group is created in the tmnxBsxIsaAaGrpTable.