### CONTEXT (Previous Events):
<system_output timestamp="8735.179473">Fetched 122 kB in 0s (8,002 kB/s)
</system_output>
<system_output timestamp="8735.224781">install_packages: executing  aptitude -R -d -o Aptitude::Log=/dev/null -o Aptitude::CmdLine::Ignore-Trust-Violations=yes -o APT::Get::AllowUnauthenticated=true -o Acquire::AllowInsecureRepositories=true -o DPkg::force-conflicts::=yes -o Dir::State=/usr/fai/mirror/aptcache/var/lib/apt -o Dir::Log=/usr/fai/mirror/aptcache/var/log/apt -o Dir::State::extended_states=/usr/fai/mirror/aptcache/var/lib/apt/lists/extended_states -o Dir::State::status=/usr/fai/mirror/aptcache/statefile -o Dir::Cache=/usr/fai/mirror/aptcache/var/cache/apt -o Dir::State=/usr/fai/mirror/aptcache/var/cache/apt -o Dir::Cache::Archives=/usr/fai/mirror/aptcache/var/cache/apt/archives -o Dir::Etc=/usr/fai/mirror/aptcache/etc/apt/ -o Dir::State::Lists=/usr/fai/mirror/aptcache/var/lib/apt/lists/ -y install sudo
</system_output>
<system_output timestamp="8735.275346">Reading package lists...
</system_output>
<system_output timestamp="8735.516449">Building dependency tree...
</system_output>
<system_output timestamp="8735.519614">Reading state information...
</system_output>
<system_output timestamp="8735.718858">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="8735.739468">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="8736.402161">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="8736.659621">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="8737.190292">The following NEW packages will be installed:
  debconf{a} dpkg{a} gcc-12-base{a} init-system-helpers{a} libacl1{a} libaudit-common{a} libaudit1{a} libbz2-1.0{a} libc6{a} libcap-ng0{a} libcrypt1{a} libdb5.3{a} libfile-find-rule-perl{a} libgcc-s1{a} libgdbm-compat4{a} libgdbm6{a} liblzma5{a} libmd0{a} libnumber-compare-perl{a} libpam-modules{a} libpam-modules-bin{a} libpam0g{a} libpcre2-8-0{a} libperl5.36{a} libselinux1{a} libtext-glob-perl{a} libzstd1{a} perl{a} perl-base{a} perl-modules-5.36{a} sudo tar{a} usrmerge{a} zlib1g{a} 
The following packages are RECOMMENDED but will NOT be installed:
  apt-utils debconf-i18n libidn2-0 netbase 
0 packages upgraded, 34 newly installed, 0 to remove and 0 not upgraded.
Need to get 1,900 kB/18.5 MB of archives. After unpacking 87.6 MB will be used.
Writing extended state information...
</system_output>
<system_output timestamp="8737.258269">Get: 1 http://127.0.0.1:3142/ftp.de.debian.org/debian bookworm/main i386 sudo i386 1.9.13p3-1+deb12u1 [1,900 kB]
</system_output>
<system_output timestamp="8737.332102">Fetched 1,900 kB in 0s (21.0 MB/s)
</system_output>
<system_output timestamp="8737.38251">install_packages: executing  aptitude -R -d -o Aptitude::Log=/dev/null -o Aptitude::CmdLine::Ignore-Trust-Violations=yes -o APT::Get::AllowUnauthenticated=true -o Acquire::AllowInsecureRepositories=true -o DPkg::force-conflicts::=yes -o Dir::State=/usr/fai/mirror/aptcache/var/lib/apt -o Dir::Log=/usr/fai/mirror/aptcache/var/log/apt -o Dir::State::extended_states=/usr/fai/mirror/aptcache/var/lib/apt/lists/extended_states -o Dir::State::status=/usr/fai/mirror/aptcache/statefile -o Dir::Cache=/usr/fai/mirror/aptcache/var/cache/apt -o Dir::State=/usr/fai/mirror/aptcache/var/cache/apt -o Dir::Cache::Archives=/usr/fai/mirror/aptcache/var/cache/apt/archives -o Dir::Etc=/usr/fai/mirror/aptcache/etc/apt/ -o Dir::State::Lists=/usr/fai/mirror/aptcache/var/lib/apt/lists/ -y install sysstat
</system_output>
<system_output timestamp="8737.447844">Reading package lists...
</system_output>

### TARGET LINE (Extract and Classify THIS Timestamp):
<system_output timestamp="8737.698616">Building dependency tree...
</system_output>

Answer: 8737.698616, old event