I think I found what I was looking for. I am running version 9.4.3. I inherited these older units when I started working for my company. According to this article, this is a known issue. I think my options are to upgrade to 9.4.6 at least...
sol10005:A high volume of network traffic on the management network may cause an SCCP watchdog timeout
This is the result of a known issue. A high volume of network traffic on the management network may cause a Switch Card Control Processor (SCCP) watchdog timeout event, leading the BIG-IP system to reboot. The following platforms contain the (SCCP
012a0004:4: *** SCCP Watchdog timer expired ***