The value of tmnxSubHsmdaEgrQueueOvrTblLC indicates the
sysUpTime at the time of the last modification
of tmnxSubHsmdaEgrQueueOvrTable.
If no changes were made to the entry since the last
re-initialization of the local network management subsystem,
then this object contains a zero value.
This object is obsoleted in 10.0 Release.