It looks like this bug was introduced in apparmor-easyprof-ubuntu version 1.2.28 with this change
* ubuntu/1.[12]/ubuntu-{sdk,webapp}: remove no longer needed rule for /{,run/}shm/shm/WK2SharedMemory.[0-9]* (LP: #1197060)
see https://bugs.launchpad.net/ubuntu/+source/apparmor-easyprof-ubuntu/+bug/1197060/comments/7
It looks like this bug was introduced in apparmor- easyprof- ubuntu version 1.2.28 with this change
* ubuntu/ 1.[12]/ ubuntu- {sdk,webapp} : remove no longer needed rule for run/}shm/ shm/WK2SharedMe mory.[0- 9]* (LP: #1197060)
/{,
see https:/ /bugs.launchpad .net/ubuntu/ +source/ apparmor- easyprof- ubuntu/ +bug/1197060/ comments/ 7