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[Christian Kujau <1323089@xxxxxxxxxxxxxxxxxx>]

Same here, every 2 minutes with wpa_supplicant v2.3:

$ sudo grep wpa_supplicant /var/log/messages | grep -v WPA | tail -3
Nov 14 11:24:32 acorn wpa_supplicant[942]: nl80211: send_and_recv->nl_recvmsgs failed: -33
Nov 14 11:26:32 acorn wpa_supplicant[942]: nl80211: send_and_recv->nl_recvmsgs failed: -33
Nov 14 11:28:32 acorn wpa_supplicant[942]: nl80211: send_and_recv->nl_recvmsgs failed: -33

No connectivity issues though, rekeying happens just fine every 10min:

$ sudo grep wpa_supplicant /var/log/messages | grep WPA | tail -3
Nov 14 11:07:28 acorn wpa_supplicant[942]: wlan0: WPA: Group rekeying completed with xxxx [GTK=CCMP]
Nov 14 11:17:28 acorn wpa_supplicant[942]: wlan0: WPA: Group rekeying completed with xxxx [GTK=CCMP]
Nov 14 11:27:28 acorn wpa_supplicant[942]: wlan0: WPA: Group rekeying completed with xxxx [GTK=CCMP]

Wifi chip:
04:00.0 Network controller: Intel Corporation Centrino Wireless-N 2230 (rev c4)

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https://bugs.launchpad.net/bugs/1323089

Title:
  wpa_supplicant writes to syslog every 2 minutes

Status in “wpa” package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu 14.04 LTS
  wpasupplicant 2.1-0ubuntu1

  wpa_supplicant is writing to syslog every couple of minutes. Example
  output:

  May 25 19:57:18 ubuntu wpa_supplicant[1161]: wlan0: CTRL-EVENT-SCAN-STARTED 
  May 25 19:57:23 ubuntu wpa_supplicant[1161]: nl80211: send_and_recv->nl_recvmsgs failed: -33
  May 25 19:59:18 ubuntu wpa_supplicant[1161]: wlan0: CTRL-EVENT-SCAN-STARTED 
  May 25 19:59:23 ubuntu wpa_supplicant[1161]: nl80211: send_and_recv->nl_recvmsgs failed: -33
  May 25 20:00:58 ubuntu wpa_supplicant[1161]: wlan0: CTRL-EVENT-SCAN-STARTED 
  May 25 20:01:18 ubuntu wpa_supplicant[1161]: wlan0: CTRL-EVENT-SCAN-STARTED 
  May 25 20:01:24 ubuntu wpa_supplicant[1161]: nl80211: send_and_recv->nl_recvmsgs failed: -33
  May 25 20:03:18 ubuntu wpa_supplicant[1161]: wlan0: CTRL-EVENT-SCAN-STARTED 
  May 25 20:03:23 ubuntu wpa_supplicant[1161]: nl80211: send_and_recv->nl_recvmsgs failed: -33
  May 25 20:05:18 ubuntu wpa_supplicant[1161]: wlan0: CTRL-EVENT-SCAN-STARTED 
  May 25 20:05:23 ubuntu wpa_supplicant[1161]: nl80211: send_and_recv->nl_recvmsgs failed: -33
  May 25 20:05:58 ubuntu wpa_supplicant[1161]: wlan0: CTRL-EVENT-SCAN-STARTED 
  May 25 20:07:18 ubuntu wpa_supplicant[1161]: wlan0: CTRL-EVENT-SCAN-STARTED 
  May 25 20:07:23 ubuntu wpa_supplicant[1161]: nl80211: send_and_recv->nl_recvmsgs failed: -33
  May 25 20:09:18 ubuntu wpa_supplicant[1161]: wlan0: CTRL-EVENT-SCAN-STARTED 
  May 25 20:09:23 ubuntu wpa_supplicant[1161]: nl80211: send_and_recv->nl_recvmsgs failed: -33
  May 25 20:10:58 ubuntu wpa_supplicant[1161]: wlan0: CTRL-EVENT-SCAN-STARTED 
  May 25 20:13:18 ubuntu wpa_supplicant[1161]: message repeated 2 times: [ wlan0: CTRL-EVENT-SCAN-STARTED ]
  May 25 20:13:23 ubuntu wpa_supplicant[1161]: nl80211: send_and_recv->nl_recvmsgs failed: -33

  The message seems harmless as far as the network is concerned, meaning
  there is no problem with the wifi connection. But it's spamming the
  syslog, making it very difficult to find any other thing there, and
  it's generating constant writes to disk, and an unnecessarily large
  syslog file.

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