The mimosaCriticalFault notification is sent when the log manager
in the Mimosa product determines that a fault with a critical
severity has been detected. The mimosaCriticalFaultLog contains
the description of the general error.
The mimosaEthernetSpeedChange notification is sent when the log manager
in the Mimosa product determines that a speed change on the Ethernet
port was detected. The mimosaOldSpeed and mimosaNewSpeed indicates the
speed in bits per second of the change. ifIndex is used per the ifTable
in the IF-MIB.