Unless stated otherwise, counts include both normal and multicast
    traffic and all protocol types, service access points (SAPs), and
    protocol identifiers.

 o  configuration changes

    Number of times the internal configuration of this station
    changed. (Not present in single attached stations (SAS)).

 o  creation time

    Time at which the port was created.

 o  selftest failures

    Total number of times a self-test of the station detected an
    error.

 o  traces received

    Number of times the ECM state machine for this station entered
    the trace state due to a received trace signal.