if ((r = parse_time_spec(argv[optind], &arg_when)) < 0) {
log_error("Failed to parse time specification: %s", argv[optind]);
return r;
}
if ((r = parse_time_spec(argv[optind], &arg_when)) < 0) {
log_error("Failed to parse time specification: %s", argv[optind]);
return r;
}