Comment 4 for bug 1687847

Hi, I upgraded to kernel v4.11:

$ uname -a
Linux Zapus 4.11.0-041100rc8-generic #201704232131 SMP Mon Apr 24 01:32:55 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux

The problem still exists:

May 4 17:49:46 Zapus NetworkManager[1014]: <info> [1493894986.1889] device (wlxf81a670b94db): supplicant interface state: disconnected -> scanning
May 4 17:49:47 Zapus wpa_supplicant[1672]: wlxf81a670b94db: SME: Trying to authenticate with 18:a6:f7:d3:8b:b2 (SSID='X\xc3\xb3m nh\xc3\xa0 l\xc3\xa1' freq=2462 MHz)
May 4 17:49:47 Zapus kernel: [ 238.048186] wlxf81a670b94db: authenticate with 18:a6:f7:d3:8b:b2
May 4 17:49:47 Zapus kernel: [ 238.314481] wlxf81a670b94db: send auth to 18:a6:f7:d3:8b:b2 (try 1/3)
May 4 17:49:47 Zapus NetworkManager[1014]: <info> [1493894987.6765] device (wlxf81a670b94db): supplicant interface state: scanning -> authenticating
May 4 17:49:47 Zapus kernel: [ 238.317885] wlxf81a670b94db: authenticated
May 4 17:49:50 Zapus kernel: [ 240.853946] wlxf81a670b94db: aborting authentication with 18:a6:f7:d3:8b:b2 by local choice (Reason: 3=DEAUTH_LEAVING)
May 4 17:49:50 Zapus NetworkManager[1014]: <warn> [1493894990.2127] device (wlxf81a670b94db): Activation: (wifi) association took too long, failing activation
May 4 17:49:50 Zapus NetworkManager[1014]: <info> [1493894990.2128] device (wlxf81a670b94db): state change: config -> failed (reason 'ssid-not-found') [50 120 53]
May 4 17:49:50 Zapus NetworkManager[1014]: <info> [1493894990.2132] manager: NetworkManager state is now DISCONNECTED
May 4 17:49:50 Zapus NetworkManager[1014]: <warn> [1493894990.2144] device (wlxf81a670b94db): Activation: failed for connection 'Xóm nhà lá 1'
May 4 17:49:50 Zapus NetworkManager[1014]: <info> [1493894990.3047] device (wlxf81a670b94db): state change: failed -> disconnected (reason 'none') [120 30 0]
May 4 17:49:50 Zapus wpa_supplicant[1672]: wlxf81a670b94db: CTRL-EVENT-DISCONNECTED bssid=18:a6:f7:d3:8b:b2 reason=3 locally_generated=1
May 4 17:49:50 Zapus kernel: [ 240.947231] IPv6: ADDRCONF(NETDEV_UP): wlxf81a670b94db: link is not ready
May 4 17:49:50 Zapus NetworkManager[1014]: <info> [1493894990.3350] device (wlxf81a670b94db): set-hw-addr: set MAC address to AE:37:82:C3:B1:DF (scanning)
May 4 17:49:50 Zapus NetworkManager[1014]: <warn> [1493894990.5493] sup-iface[0x55a39b9bd160,wlxf81a670b94db]: connection disconnected (reason -3)
May 4 17:49:50 Zapus kernel: [ 241.187799] IPv6: ADDRCONF(NETDEV_UP): wlxf81a670b94db: link is not ready
May 4 17:49:50 Zapus NetworkManager[1014]: <info> [1493894990.5496] device (wlxf81a670b94db): supplicant interface state: authenticating -> disconnected