Error on rig 2 - Two different rigs, crashing within a minute of each other. Tell me that isn't weird.

tail -f  /home/m1/nvoc_logs/watchdog-screenlog.0
m1@m1-desktop:~$ tail -f  /home/m1/nvoc_logs/watchdog-screenlog.0
Watchdog for nvOC v0019-2.0 - Community Release
Version: v0019-2.0.011

LOG FILE: (Showing the last 10 recorded entries)
| 12  |    120W     |  3.42 Sol/W  |
+-----+-------------+--------------+
INFO 09:34:50: GPU3 Accepted share 186ms [A:454, R:1]
INFO 09:34:51: GPU7 Accepted share 187ms [A:477, R:1]
CRITICAL: Sun Apr 29 09:35:17 MST 2018 - GPU Utilization is too low: restarting 3main...
Mon Apr 30 22:35:29 MST 2018 - Lost GPU so restarting system. Found GPU's:
Unable to determine the device handle for GPU 0000:0F:00.0: GPU is lost.  Reboot the system to recover this GPU


Mon Apr 30 22:35:30 MST 2018 - reboot in 10 seconds