If tty timestamping is enabled, copy the tty timestamp early to preserve the value if it gets overwritten by other events.
If tty timestamping is enabled, copy the tty timestamp early to preserve
the value if it gets overwritten by other events.

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars