after several hours of uptime the dmesg contains only lines of this form:
[40376.376099] audit: type=1400 audit(1455869426.923:4311): apparmor="DENIED" operation="create" profile="/usr/sbin/ntpd" pid=1295 comm="ntpd" family="unspec" sock_type="dgram" protocol=0
[40376.376128] audit: type=1400 audit(1455869426.923:4312): apparmor="DENIED" operation="create" profile="/usr/sbin/ntpd" pid=1295 comm="ntpd" family="unspec" sock_type="dgram" protocol=0
[40376.376149] audit: type=1400 audit(1455869426.923:4313): apparmor="DENIED" operation="create" profile="/usr/sbin/ntpd" pid=1295 comm="ntpd" family="unspec" sock_type="dgram" protocol=0
[40376.376168] audit: type=1400 audit(1455869426.923:4314): apparmor="DENIED" operation="create" profile="/usr/sbin/ntpd" pid=1295 comm="ntpd" family="unspec" sock_type="dgram" protocol=0
[40376.376187] audit: type=1400 audit(1455869426.923:4315): apparmor="DENIED" operation="create" profile="/usr/sbin/ntpd" pid=1295 comm="ntpd" family="unspec" sock_type="dgram" protocol=0
[40439.376168] audit: type=1400 audit(1455869489.924:4316): apparmor="DENIED" operation="create" profile="/usr/sbin/ntpd" pid=1295 comm="ntpd" family="unspec" sock_type="dgram" protocol=0
[40439.376195] audit: type=1400 audit(1455869489.924:4317): apparmor="DENIED" operation="create" profile="/usr/sbin/ntpd" pid=1295 comm="ntpd" family="unspec" sock_type="dgram" protocol=0
[40439.376215] audit: type=1400 audit(1455869489.924:4318): apparmor="DENIED" operation="create" profile="/usr/sbin/ntpd" pid=1295 comm="ntpd" family="unspec" sock_type="dgram" protocol=0
[40439.376233] audit: type=1400 audit(1455869489.924:4319): apparmor="DENIED" operation="create" profile="/usr/sbin/ntpd" pid=1295 comm="ntpd" family="unspec" sock_type="dgram" protocol=0
[40439.376252] audit: type=1400 audit(1455869489.924:4320): apparmor="DENIED" operation="create" profile="/usr/sbin/ntpd" pid=1295 comm="ntpd" family="unspec" sock_type="dgram" protocol=0
[40502.376094] audit: type=1400 audit(1455869552.926:4321): apparmor="DENIED" operation="create" profile="/usr/sbin/ntpd" pid=1295 comm="ntpd" family="unspec" sock_type="dgram" protocol=0
[40502.376120] audit: type=1400 audit(1455869552.926:4322): apparmor="DENIED" operation="create" profile="/usr/sbin/ntpd" pid=1295 comm="ntpd" family="unspec" sock_type="dgram" protocol=0
[40502.376140] audit: type=1400 audit(1455869552.926:4323): apparmor="DENIED" operation="create" profile="/usr/sbin/ntpd" pid=1295 comm="ntpd" family="unspec" sock_type="dgram" protocol=0
[40502.376158] audit: type=1400 audit(1455869552.926:4324): apparmor="DENIED" operation="create" profile="/usr/sbin/ntpd" pid=1295 comm="ntpd" family="unspec" sock_type="dgram" protocol=0
[40502.376176] audit: type=1400 audit(1455869552.926:4325): apparmor="DENIED" operation="create" profile="/usr/sbin/ntpd" pid=1295 comm="ntpd" family="unspec" sock_type="dgram" protocol=0
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: apparmor 2.10-3ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-6.21-generic 4.4.1
Uname: Linux 4.4.0-6-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.20-0ubuntu3
Architecture: amd64
Date: Fri Feb 19 09:10:48 2016
InstallationDate: Installed on 2016-02-17 (1 days ago)
InstallationMedia: Ubuntu-Server 15.10 "Wily Werewolf" - Release amd64 (20151021)
ProcKernelCmdline: BOOT_IMAGE=/boot/vmlinuz-4.4.0-6-generic.efi.signed root=UUID=fddff8cb-9428-47b7-a215-034c4b79c0fe ro nomodeset
SourcePackage: apparmor
Syslog:
UpgradeStatus: Upgraded to xenial on 2016-02-17 (1 days ago)
