* COP APIs: see ... /src/vnet/cop/{cop.api, cop_api.c}
* POLICER APIs: see ... /src/vnet/policer/{policer.api, policer_api.c}
* STATS APIs: see .../src/vpp/stats/{stats.api, stats.c}
+ * BIER APIs: see ... /src/vnet/policer/{bier.api, bier_api.c}
*/
/** \brief Create a new subinterface with the given vlan id