Seeing this in recent Caroline testlab runs.
The "disabling HT/VHT as WMM/QoS is not supported by the AP" is not reassuring since Intel devices (esp. StP2) tend to pick VHT rates
in the field wherever possible, so we are not testing the correct
config.

2017-08-01T20:25:27.338517+00:00 INFO kernel: [  459.498138] smsc75xx 1-2.3:1.0 eth0: link up, 1000Mbps, full-duplex, lpa 0xC1E1
2017-08-01T20:25:27.341548+00:00 INFO kernel: [  459.501143] smsc75xx 1-2.3:1.0 eth0: link up, 1000Mbps, full-duplex, lpa 0xC1E1
2017-08-01T20:25:27.912885+00:00 INFO kernel: [  460.072443] wlan0: authenticate with 30:b5:c2:34:08:c1
2017-08-01T20:25:27.919550+00:00 INFO kernel: [  460.078642] wlan0: send auth to 30:b5:c2:34:08:c1 (try 1/3)
2017-08-01T20:25:27.924483+00:00 INFO kernel: [  460.084388] wlan0: authenticated
2017-08-01T20:25:27.926617+00:00 INFO kernel: [  460.085554] iwlwifi 0000:01:00.0 wlan0: disabling HT/VHT due to WEP/TKIP use
2017-08-01T20:25:27.926637+00:00 INFO kernel: [  460.085605] iwlwifi 0000:01:00.0 wlan0: disabling HT as WMM/QoS is not supported by the AP
2017-08-01T20:25:27.926640+00:00 INFO kernel: [  460.085634] iwlwifi 0000:01:00.0 wlan0: disabling VHT as WMM/QoS is not supported by the AP
2017-08-01T20:25:27.926642+00:00 INFO kernel: [  460.086734] wlan0: associate with 30:b5:c2:34:08:c1 (try 1/3)
2017-08-01T20:25:27.931473+00:00 INFO kernel: [  460.091080] wlan0: RX AssocResp from 30:b5:c2:34:08:c1 (capab=0x411 status=0 aid=1)
2017-08-01T20:25:27.933479+00:00 INFO kernel: [  460.092919] wlan0: associated
2017-08-01T20:25:28.540045+00:00 INFO avahi-daemon[2835]: Joining mDNS multicast group on interface wlan0.IPv4 with address 192.168.