hpnicfQinQPriorityValue 1.3.6.1.4.1.11.2.14.11.15.2.69.1.3.1.1

The priority value in inner VLAN tag. Since the priority range is from 0 to 7, yet the index range is from 1 to 8. Thus, the actual priority value equals to the value that subtracts 1 from corresponding index value.