static void
mac_delete(switchlink_mac_addr_t mac_addr, switchlink_handle_t bridge_h) {
    switchlink_handle_t intf_h;
    switchlink_db_status_t status;
    status = switchlink_db_mac_get_intf(mac_addr, bridge_h, &intf_h);
    if (status != SWITCHLINK_DB_STATUS_SUCCESS) {
        return;
    }
    switchlink_mac_delete(mac_addr, bridge_h);
    switchlink_db_mac_delete(mac_addr, bridge_h);
}
static void
mac_delete(switchlink_mac_addr_t mac_addr, switchlink_handle_t bridge_h) {
    switchlink_mac_delete(mac_addr, bridge_h);
    switchlink_db_mac_delete(mac_addr, bridge_h);
}