A control table used to query the switching engine by
specifying retrieval criteria for IP multicast L3 flows.
Each row instance in the table represents a query with
its parameters. The resulting per-flow data if requested
for each instance of a query in this table is returned
in the cswmFlowResultTable.
A row in this table can be created by setting the corresponding
instance of cswmFlowQueryStatus to 'createAndGo'.
A row can be deleted by setting the corresponding instance of
cswmFlowQueryStatus to 'destroy'.
The maximum number of entries (rows) in this table cannot
exceed the value of cswmFlowMaxQueries object.