Each entry of the tmnxSLAEgrQueueOverrideEntry describes queue
parameters which override the corresponding template queue parameters
from the specified egress QoS policy. Rows can be created and deleted
by the operator (tmnxSLAEgrQueueOvrRowStatus). Rows can only be created
for queues that exist in table TIMETRA-QOS-MIB::tSapEgressQueueTable.