Its value depends on hpnicfCBQoSApplyObjectType.
It represents the value of VPI/VCI, of which high 16-bits
is VPI and low 16-bits is VCI, when hpnicfCBQoSApplyObjectType
is atmPvc.
It represents the value of data link connection identifier
in FR network, when hpnicfCBQoSApplyObjectType is frDlci.
It represents slot ID, when hpnicfCBQoSApplyObjectType is controlPlane.
Otherwise the value is '0xFFFFFFFF'.