Comment 1 for bug 1295346

This is affecting me, as aa-enable keeps bailing out on abstractions installed by the lxc package:

$ sudo aa-enforce /usr/lib/chromium-browser/chromium-browser
Traceback (most recent call last):
  File "/usr/sbin/aa-enforce", line 30, in <module>
    tool.cmd_enforce()
  File "/usr/lib/python3/dist-packages/apparmor/tools.py", line 153, in cmd_enforce
    apparmor.read_profiles()
  File "/usr/lib/python3/dist-packages/apparmor/aa.py", line 2558, in read_profiles
    read_profile(profile_dir + '/' + file, True)
  File "/usr/lib/python3/dist-packages/apparmor/aa.py", line 2584, in read_profile
    profile_data = parse_profile_data(data, file, 0)
  File "/usr/lib/python3/dist-packages/apparmor/aa.py", line 2914, in parse_profile_data
    load_include(include_name)
  File "/usr/lib/python3/dist-packages/apparmor/aa.py", line 4170, in load_include
    incdata = parse_profile_data(data, incfile, True)
  File "/usr/lib/python3/dist-packages/apparmor/aa.py", line 3031, in parse_profile_data
    raise AppArmorException(_('Syntax Error: Unknown line found in file: %s line: %s') % (file, lineno + 1))
apparmor.common.AppArmorException: 'Syntax Error: Unknown line found in file: abstractions/lxc/start-container line: 2'