/etc/apparmor.d/sbin.syslogd is in apparmor-profiles 2.7.102-0ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
#    Copyright (C) 2002-2009 Novell/SUSE
#    Copyright (C) 2010 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.
#
# ------------------------------------------------------------------
#include <tunables/global>
/sbin/syslogd flags=(complain) {
  #include <abstractions/base>
  #include <abstractions/nameservice>
  #include <abstractions/consoles>
  capability sys_tty_config,
  capability dac_override,
  capability dac_read_search,
  capability setuid,
  capability setgid,
  capability syslog,
  /dev/log                      wl,
  /var/lib/*/dev/log            wl,
  /dev/tty*                     w,
  /dev/xconsole                 rw,
  /etc/syslog.conf              r,
  /sbin/syslogd                 rmix,
  /var/log/**                   rw,
  /{,var/}run/syslogd.pid          krwl,
  /{,var/}run/utmp                 rw,
  /var/spool/compaq/nic/messages_fifo rw,
  # Site-specific additions and overrides. See local/README for details.
  #include <local/sbin.syslogd>
}
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