@param client_index - opaque cookie to identify the sender
@param context - sender context, to match reply w/ request
@param bt_tbl_id - The BIER table-id the route is added in
@param client_index - opaque cookie to identify the sender
@param context - sender context, to match reply w/ request
@param bt_tbl_id - The BIER table-id the route is added in