if (prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0) < 0) {
avahi_log_error("prctl(PR_SET_KEEPCAPS) failed: %s", strerror(errno));
ret = -1;
if (prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0) < 0) {
avahi_log_error("prctl(PR_SET_KEEPCAPS) failed: %s", strerror(errno));
ret = -1;