### CONTEXT (Previous Events):
<system_output timestamp="25.525569">/usr/share/man/man5/adduser.conf.5.gz                                         OK
</system_output>
<system_output timestamp="25.526347">/usr/share/man/man5/deluser.conf.5.gz                                         OK
</system_output>
<system_output timestamp="25.527094">/usr/share/man/man8/adduser.8.gz                                              OK
</system_output>
<system_output timestamp="25.527875">/usr/share/man/man8/adduser.local.8.gz                                        OK
</system_output>
<system_output timestamp="25.528804">/usr/share/man/man8/deluser.8.gz                                              OK
</system_output>
<system_output timestamp="25.529573">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="25.530336">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="25.531201">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="25.531932">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="25.532857">/usr/share/man/pt/man5/adduser.conf.5.gz                                      OK
</system_output>
<system_output timestamp="25.533646">/usr/share/man/pt/man5/deluser.conf.5.gz                                      OK
</system_output>
<system_output timestamp="25.534487">/usr/share/man/pt/man8/adduser.8.gz                                           OK
</system_output>
<system_output timestamp="25.535331">/usr/share/man/pt/man8/deluser.8.gz                                           OK
</system_output>
<system_output timestamp="25.537136">/usr/share/perl5/Debian/AdduserCommon.pm                                      OK
</system_output>

### TARGET LINE (Extract and Classify THIS Timestamp):
<system_output timestamp="25.557206">/lib/apparmor/apparmor.systemd                                                OK
</system_output>

Answer: 25.557206, old event