Linux puskom-ProLiant-DL385-Gen10 5.4.0-150-generic #167~18.04.1-Ubuntu SMP Wed May 24 00:51:42 UTC 2023 x86_64

//etc/apparmor.d/abstractions/ubuntu-unity7-messaging

   #
  # Access required for connecting to/communicating with the Unity messaging
  # indicator
  #
  dbus (receive, send)
       bus=session
       path="/com/canonical/indicator/messages/*",