I see the same, plus one more, apparmor denials on a fresh up-to-date bionic system where I just install "mysql-server": [ter nov 20 15:30:58 2018] audit: type=1400 audit(1542741161.387:263): apparmor="DENIED" operation="open" namespace="root//lxd-bionic-mysql_<var-lib-lxd>" profile="/usr/sbin/mysqld" name="/sys/devices/system/node/" pid=15939 comm="mysqld" requested_mask="r" denied_mask="r" fsuid=165536 ouid=0 [ter nov 20 15:30:58 2018] audit: type=1400 audit(1542741161.391:264): apparmor="DENIED" operation="capable" namespace="root//lxd-bionic-mysql_<var-lib-lxd>" profile="/usr/sbin/mysqld" pid=15939 comm="mysqld" capability=2 capname="dac_read_search" [ter nov 20 15:30:58 2018] audit: type=1400 audit(1542741161.403:265): apparmor="DENIED" operation="open" namespace="root//lxd-bionic-mysql_<var-lib-lxd>" profile="/usr/sbin/mysqld" name="/sys/devices/system/node/" pid=15943 comm="mysqld" requested_mask="r" denied_mask="r" fsuid=165647 ouid=0
I see the same, plus one more, apparmor denials on a fresh up-to-date bionic system where I just install "mysql-server": 1.387:263) : apparmor="DENIED" operation="open" namespace= "root// lxd-bionic- mysql_< var-lib- lxd>" profile= "/usr/sbin/ mysqld" name="/ sys/devices/ system/ node/" pid=15939 comm="mysqld" requested_mask="r" denied_mask="r" fsuid=165536 ouid=0 1.391:264) : apparmor="DENIED" operation="capable" namespace= "root// lxd-bionic- mysql_< var-lib- lxd>" profile= "/usr/sbin/ mysqld" pid=15939 comm="mysqld" capability=2 capname= "dac_read_ search" 1.403:265) : apparmor="DENIED" operation="open" namespace= "root// lxd-bionic- mysql_< var-lib- lxd>" profile= "/usr/sbin/ mysqld" name="/ sys/devices/ system/ node/" pid=15943 comm="mysqld" requested_mask="r" denied_mask="r" fsuid=165647 ouid=0
[ter nov 20 15:30:58 2018] audit: type=1400 audit(154274116
[ter nov 20 15:30:58 2018] audit: type=1400 audit(154274116
[ter nov 20 15:30:58 2018] audit: type=1400 audit(154274116