/etc/apparmor.d/abstractions/wutmp is in apparmor 2.10.95-0ubuntu2.6~14.04.4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | # ------------------------------------------------------------------
#
#    Copyright (C) 2002-2009 Novell/SUSE
#    Copyright (C) 2009 Canonical Ltd.
#
#    This program is free software; you can redistribute it and/or
#    modify it under the terms of version 2 of the GNU General Public
#    License published by the Free Software Foundation.
#
# ------------------------------------------------------------------
  # some services update wtmp, utmp, and lastlog with per-user
  # connection information
  /var/log/lastlog  rwk,
  /var/log/wtmp     wk,
  /{,var/}run/utmp     rwk,
 |