Incorrect Critical Alerts for Card instrumentation class "Card_Fault_CiscoONSCPU" was mapping UNKNOWN state to CRITICAL and eventually false DOWN alarm generated on card which has UNKNOWN state.
Impacted devices sysOID
.1.3.6.1.4.1.9.1.578 (Cisco 2851)
.1.3.6.1.4.1.9.1.679 (Cisco 5350XM Switch)