The operational status of the MLD feature for this
port or trunk indicates whether any MLD Leaves
received for an IPv6 Multicast group will cause the
group to be deleted after the
hpicfMLDConfigForcedLeaveInterval if no new MLD
Reports are received for that group. Normal behavior
is for a group issuing a Leave to be deleted after
the Querier's Maximum Response time if no MLD
Report is received.