phy0: Atheros AR5416 MAC/BB Rev:2 AR2133 RF Rev:81: mem=0xffffc90007ce0000, irq=16
[11831.868822] cfg80211: Regulatory domain changed to country: CN
[11831.868826] 	(start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
[11831.868829] 	(2402000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm)
[11831.868832] 	(5735000 KHz - 5835000 KHz @ 40000 KHz), (N/A, 3000 mBm)
[11831.912138] ADDRCONF(NETDEV_UP): wlan0: link is not ready
[11921.850154] ath9k: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x40000020