{ ... }:
{
  systemd.watchdog.runtimeTime = "60s";
  systemd.watchdog.rebootTime =  "3m";
  systemd.watchdog.kexecTime = "5m";
  systemd.services."emergency".serviceConfig.ExecStartPre = "/bin/sh -c \"read -t 30 || /run/current-system/sw/bin/systemctl reboot\"";
}