Symptom
>> AP 1815W is showing the following log entries:
Jan 12 12:26:59 kernel: [*01/12/2018 12:26:59.2299] missing case for op class 120 in ieee80211_mbo_operating_class_to_chan
Jan 12 12:26:59 kernel: [*01/12/2018 12:26:59.2299] missing case for op class 83 in ieee80211_mbo_operating_class_to_chan
Conditions
>> AP 1815W running 8.5.110.0
>> Observed on AP in lightweight mode