Excuse me，
This question, How to reciprocation？
Model：Raspberry Pi 3 Model B Rev 1.2
bcm2835-cpufreq:bcm2835_cpufreq_driver_target_index:183: Error occurred setting a new frequency (1200000)
cpufreq: __target_index: Failed to change cpu frequency: -22
bcm2835-cpufreq:bcm2835_cpufreq_set_clock:84: Failed to set clock: 1200000 (-12)
brcmfmac: brcmf_cfg80211_dump_station: BRCMF_C_GET_ASSOCLIST unsupported, err=-512