meshlink_set_log_cb(NULL, debug_level, log_cb);
meshlink_handle_t *mesh1 = meshlink_open("echo-fork_conf.1", "foo", "echo-fork", DEV_CLASS_BACKBONE);
meshlink_set_log_cb(NULL, debug_level, log_cb);
meshlink_handle_t *mesh1 = meshlink_open("echo-fork_conf.1", "foo", "echo-fork", DEV_CLASS_BACKBONE);