在SystemD运行通过qemu运行NixOS的系统上我看到了这个日志：
Aug 09 01:01:43 myhost systemd[1]: Looping too fast. Throttling execution a little. Aug 09 01:02:01 myhost systemd[1]: Looping too fast. Throttling execution a little. Aug 09 01:02:20 myhost systemd[1]: Looping too fast. Throttling execution a little. Aug 09 01:02:22 myhost systemd[1]: Looping too fast. Throttling execution a little. Aug 09 01:02:24 myhost systemd[1]: Looping too fast. Throttling execution a little. Aug 09 01:02:26 myhost systemd[1]: Looping too fast. Throttling execution a little. Aug 09 01:02:29 myhost systemd[1]: Looping too fast. Throttling execution a little. Aug 09 01:02:31 myhost systemd[1]: Looping too fast. Throttling execution a little. Aug 09 01:02:33 myhost systemd[1]: Looping too fast. Throttling execution a little. Aug 09 01:02:35 myhost systemd[1]: Looping too fast. Throttling execution a little. Aug 09 01:02:36 myhost systemd[1]: Looping too fast. Throttling execution a little. Aug 09 01:02:38 myhost systemd[1]: Looping too fast. Throttling execution a little. Aug 09 01:02:39 myhost systemd[1]: Looping too fast. Throttling execution a little. Aug 09 01:02:42 myhost systemd[1]: Looping too fast. Throttling execution a little. Aug 09 01:02:47 myhost systemd[1]: Looping too fast. Throttling execution a little. Aug 09 01:02:49 myhost systemd[1]: Looping too fast. Throttling execution a little. Aug 09 01:02:49 myhost systemd[1]: Looping too fast. Throttling execution a little. Aug 09 01:02:50 myhost systemd[1]: Looping too fast. Throttling execution a little. Aug 09 01:02:52 myhost systemd[1]: Looping too fast. Throttling execution a little. Aug 09 01:02:53 myhost systemd[1]: Job basic.target/start timed out. Aug 09 01:02:53 myhost systemd[1]: Timed out starting Basic System. Aug 09 01:02:53 myhost systemd[1]: Dependency failed for Logrotate Service. Aug 09 01:02:53 myhost systemd[1]: Dependency failed for Multi-User System. Aug 09 01:02:53 myhost systemd[1]: Dependency failed for SCSI Link Power Management Policy. Aug 09 01:02:53 myhost systemd[1]: Dependency failed for CPU Frequency Governor Setup. Aug 09 01:02:53 myhost systemd[1]: Dependency failed for All Containers. Aug 09 01:02:53 myhost systemd[1]: Dependency failed for Serial console liveness marker. Aug 09 01:02:53 myhost systemd[1]: Forcibly powering off as result of failure. Aug 09 01:02:53 myhost systemd[1]: Shutting down. Aug 09 01:02:53 myhost nixos[18910]: switching to system configuration /nix/store/zfz756pkl9rsap4vh1frrs948k4lxvzn-nixos-1 Aug 09 01:02:53 myhost systemd-shutdown[1]: Sending SIGTERM to remaining processes… （我删除了自定义单位的一些日志条目）
在此之后VMclosures。 现在我想知道是什么导致了这种行为。