def delete_router_assoc(self, context, assoc_id, bgpvpn_id):
     raise bgpvpn_ext.BGPVPNRouterAssociationNotSupported(
         driver=OPENCONTRAIL_BGPVPN_DRIVER_NAME)
 def find_bgpvpns_for_router(self, context, router_id):
     raise bgpvpn_ext.BGPVPNRouterAssociationNotSupported(
         driver=OPENCONTRAIL_BGPVPN_DRIVER_NAME)
 def get_router_assocs(self, context, bgpvpn_id, filters=None, fields=None):
     raise bgpvpn_ext.BGPVPNRouterAssociationNotSupported(
         driver=OPENCONTRAIL_BGPVPN_DRIVER_NAME)