### CONTEXT (Previous Events):
<system_output timestamp="4289.610702">Building tag database...
</system_output>
<system_output timestamp="4290.154779">The following NEW packages will be installed:
  adduser{a} clamav clamav-base{a} clamav-freshclam{a} cron{a} cron-daemon-common{a} debconf{a} dpkg{a} gcc-12-base{a} init-system-helpers{a} libacl1{a} libaudit-common{a} libaudit1{a} libbrotli1{a} libbz2-1.0{a} libc6{a} libcap-ng0{a} libcap2{a} libclamav11{a} libcom-err2{a} libcrypt1{a} libcurl4{a} libdb5.3{a} libffi8{a} libfile-find-rule-perl{a} libgcc-s1{a} libgcrypt20{a} libgdbm-compat4{a} libgdbm6{a} libgmp10{a} libgnutls30{a} libgpg-error0{a} libgssapi-krb5-2{a} libhogweed6{a} libicu72{a} libidn2-0{a} libjson-c5{a} libk5crypto3{a} libkeyutils1{a} libkrb5-3{a} libkrb5support0{a} libldap-2.5-0{a} liblz4-1{a} liblzma5{a} libmd0{a} libmspack0{a} libncursesw6{a} libnettle8{a} libnghttp2-14{a} libnumber-compare-perl{a} libp11-kit0{a} libpam-modules{a} libpam-modules-bin{a} libpam-runtime{a} libpam0g{a} libpcre2-8-0{a} libperl5.36{a} libpopt0{a} libproc2-0{a} libpsl5{a} librtmp1{a} libsasl2-2{a} libsasl2-modules-db{a} libselinux1{a} libsemanage-common{a} libsemanage2{a} libsepol2{a} libssh2-1{a} libssl3{a} libstdc++6{a} libsystemd0{a} libtasn1-6{a} libtext-glob-perl{a} libtinfo6{a} libunistring2{a} libxml2{a} libzstd1{a} logrotate{a} passwd{a} perl{a} perl-base{a} perl-modules-5.36{a} procps{a} sensible-utils{a} tar{a} ucf{a} usrmerge{a} zlib1g{a} 
The following packages are RECOMMENDED but will NOT be installed:
  apt-utils ca-certificates courier-mta debconf-i18n dma esmtp-run exim4-daemon-heavy exim4-daemon-light krb5-locales libgpg-error-l10n libgpm2 libldap-common libsasl2-modules msmtp-mta netbase nullmailer opensmtpd postfix psmisc publicsuffix sendmail-bin ssmtp 
0 packages upgraded, 88 newly installed, 0 to remove and 0 not upgraded.
Need to get 8,237 kB/47.9 MB of archives. After unpacking 195 MB will be used.
Writing extended state information...
</system_output>
<system_output timestamp="4290.235446">Get: 1 http://127.0.0.1:3142/ftp.de.debian.org/debian bookworm/main i386 clamav-base all 1.0.5+dfsg-1~deb12u1 [91.7 kB]
</system_output>
<system_output timestamp="4290.354971">Get: 2 http://127.0.0.1:3142/ftp.de.debian.org/debian bookworm/main i386 libmspack0 i386 0.11-1 [54.3 kB]
</system_output>
<system_output timestamp="4290.360695">Get: 3 http://127.0.0.1:3142/ftp.de.debian.org/debian bookworm/main i386 libclamav11 i386 1.0.5+dfsg-1~deb12u1 [4,643 kB]
</system_output>
<system_output timestamp="4290.489501">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="4290.504663">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="4290.553655">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="4290.61852">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="4290.667175">Reading package lists...
</system_output>
<system_output timestamp="4290.916836">Building dependency tree...
</system_output>
<system_output timestamp="4290.918715">Reading state information...
</system_output>
<system_output timestamp="4291.131388">Reading extended state information...
</system_output>
<system_output timestamp="4291.152939">Initializing package states...
</system_output>

### TARGET LINE (Extract and Classify THIS Timestamp):
<system_output timestamp="4291.814131">Writing extended state information...
</system_output>

Answer: 4291.814131, old event