vRtrRipIfRowStatus controls the creation and deletion of rows in
this table.
To create a row in the vRtrRipIfTable, set vRtrRipIfRowStatus
to createAndGo(4). vRtrRipIfGroupName for the interface must be
set to the name of an existant group in the vRtrRipGroupTable
before the row status can be set to active(1).
To delete a row in the vRtrRipIfTable, set vRtrRipIfRowStatus
to delete(6). However the row can only be deleted the group has been
shutdown (i.e. value of vRtrRipIfAdminStatus is outOfService).