ynl_attr_put
ynl_attr_put(nlh, attr_type, &value, sizeof(value));
ynl_attr_put(nlh, attr_type, &value, sizeof(value));
ynl_attr_put(nlh, attr_type, &value, sizeof(value));
ynl_attr_put(nlh, attr_type, &value, sizeof(value));
ynl_attr_put(nlh, attr_type, &value, sizeof(value));
ynl_attr_put(nlh, attr_type, &value, sizeof(value));
ynl_attr_put(nlh, attr_type, &value, sizeof(value));
ynl_attr_put(nlh, attr_type, &value, sizeof(value));