This variable is bound to the systemEvent trap. It
indicates which system resource is in short supply.
10 Unspecified log event
11 Log file full
12 Log file erased
20 Unspecified memory event
21 Memory shortage
30 Unsepcified CPU event
31 Long term CPU overload
32 Short term CPU overload
40 Unspecified ffs event
41 Attempt to write to full ffs
42 System/user directed purge
43 Removed imgs/cfgs
44 Exec file removed
45 Config file removed
46 Exec file updated
47 Config file updated
50 Unspecified chassis event
51 Module failed to init
52 Module failed to load
53 Module startup failed
54 Module failed
55 Driver failed