PIDFD_NS_TIME
if (self->nsfds[PIDFD_NS_TIME] >= 0 && !switch_timens()) {
if (self->nsfds[PIDFD_NS_TIME] >= 0 && !switch_timens()) {
[PIDFD_NS_TIME] = { "time", CLONE_NEWTIME, PIDFD_GET_TIME_NAMESPACE, },