This is from a fresh install of the latest yakkety in virtualbox:
$ grep DEN /var/log/syslog Jun 15 18:49:41 test-VirtualBox kernel: [ 90.415758] audit: type=1400 audit(1466009381.034:41): apparmor="DENIED" operation="open" profile="/usr/bin/ubuntu-core-launcher" name="/home/.ecryptfs/test/.Private/" pid=2345 comm="ubuntu-core-lau" requested_mask="r" denied_mask="r" fsuid=1000 ouid=1000
This is from a fresh install of the latest yakkety in virtualbox:
$ grep DEN /var/log/syslog 1.034:41) : apparmor="DENIED" operation="open" profile= "/usr/bin/ ubuntu- core-launcher" name="/ home/.ecryptfs/ test/.Private/ " pid=2345 comm="ubuntu- core-lau" requested_mask="r" denied_mask="r" fsuid=1000 ouid=1000
Jun 15 18:49:41 test-VirtualBox kernel: [ 90.415758] audit: type=1400 audit(146600938