[174679.683503] ath: Unable to reset channel (2442 MHz), reset status -5
[174679.683541] ath: Unable to set channel
[174679.799448] ath: Could not kill baseband RX
[174679.916386] ath: Unable to reset channel (2447 MHz), reset status -5
[174679.916413] ath: Unable to set channel
[174680.032270] ath: Could not kill baseband RX
[174680.149146] ath: Unable to reset channel (2452 MHz), reset status -5
[174680.149159] ath: Unable to set channel
modprobe/modprobe -r ath9k solves my problems. Having my net
connection die randomly is getting really annoying. I am willing to collect more info if required.