[  128.838331] ath9k_htc 1-2:1.0: ath9k_htc: FW Version: 1.3
[  128.838340] ath: EEPROM regdomain: 0x809c
[  128.838343] ath: EEPROM indicates we should expect a country code
[  128.838345] ath: doing EEPROM country->regdmn map search
[  128.838348] ath: country maps to regdmn code: 0x52
[  128.838351] ath: Country alpha2 being used: CN
[  128.838353] ath: Regpair used: 0x52
[  128.842976] ieee80211 phy1: Atheros AR9271 Rev:1
[  128.874797] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[  180.834101] perf samples too long (2517 > 2500), lowering kernel.perf_event_max_sample_rate to 50000