dmesg| tail
[21936.168124] cfg80211:  DFS Master region: ETSI
[21936.168125] cfg80211:   (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)
[21936.168126] cfg80211:   (2402000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A)
[21936.168128] cfg80211:   (5170000 KHz - 5250000 KHz @ 80000 KHz, 160000 KHz AUTO), (N/A, 2000 mBm), (N/A)
[21936.168130] cfg80211:   (5250000 KHz - 5330000 KHz @ 80000 KHz, 160000 KHz AUTO), (N/A, 2000 mBm), (0 s)
[21936.168131] cfg80211:   (5490000 KHz - 5710000 KHz @ 160000 KHz), (N/A, 2700 mBm), (0 s)
[21936.168132] cfg80211:   (57000000 KHz - 66000000 KHz @ 2160000 KHz), (N/A, 4000 mBm), (N/A)
[21936.633147] audit: type=1400 audit(1462291207.096:195): apparmor="DENIED" operation="open" profile="/sbin/dhclient" name="/etc/ld.so.preload" pid=25816 comm="dhclient" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
[21936.929686] audit: type=1400 audit(1462291207.392:196): apparmor="DENIED" operation="open" profile="/usr/lib/NetworkManager/nm-dhcp-helper" name="/etc/ld.so.preload" pid=25817 comm="nm-dhcp-helper" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
[21937.138532] audit: type=1400 audit(1462291207.604:197): apparmor="DENIED" operation="open" profile="/usr/lib/NetworkManager/nm-dhcp-helper" name="/etc/