### CONTEXT (Previous Events):
<system_output timestamp="2129.713046">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 gawk
</system_output>
<system_output timestamp="2129.760304">Reading package lists...
</system_output>
<system_output timestamp="2130.013651">Building dependency tree...
</system_output>
<system_output timestamp="2130.015099">Reading state information...
</system_output>
<system_output timestamp="2130.21242">Reading extended state information...
</system_output>
<system_output timestamp="2130.229544">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="2130.748413">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="2131.03014">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="2131.467838">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="2131.528485">Get: 1 http://127.0.0.1:3142/ftp.de.debian.org/debian bookworm/main i386 libsigsegv2 i386 2.14-1 [37.5 kB]
</system_output>
<system_output timestamp="2131.584312">Get: 2 http://127.0.0.1:3142/ftp.de.debian.org/debian bookworm/main i386 gawk i386 1:5.2.1-2 [680 kB]
</system_output>
<system_output timestamp="2131.64161">Fetched 718 kB in 0s (5,693 kB/s)
</system_output>
<system_output timestamp="2131.682257">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 libexpat1-dev
</system_output>
<system_output timestamp="2131.725619">Reading package lists...
</system_output>

### TARGET LINE (Extract and Classify THIS Timestamp):
<system_output timestamp="2131.948846">Building dependency tree...
</system_output>

Answer: 2131.948846, old event