The related Vlan ID of the
MAC address hpicfMacNotifyMacAddress.
Vlan ID will be determined by the action
in hpicfMacNotifyAction.
Action:
Learned: VLAN that the hpicfMacNotifyToPortId belongs to
Moved: VLAN that the hpicfMacNotifyToPortId belongs to
Removed: VLAN that hpicfMacNotifyFromPortId belongs to