### CONTEXT (Previous Events):
<system_output timestamp="2149.260254">Reading package lists...
</system_output>
<system_output timestamp="2149.506298">Building dependency tree...
</system_output>
<system_output timestamp="2149.510428">Reading state information...
</system_output>
<system_output timestamp="2149.71103">Reading extended state information...
</system_output>
<system_output timestamp="2149.740575">Initializing package states...
</system_output>
<system_output timestamp="2151.940311">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="2152.187295">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="2152.848598">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="2152.915996">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="2152.91796">Fetched 89.4 kB in 0s (5,982 kB/s)
</system_output>
<system_output timestamp="2152.989736">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 python3-wxgtk4.0
</system_output>
<system_output timestamp="2153.081945">Reading package lists...
</system_output>
<system_output timestamp="2153.335185">Building dependency tree...
</system_output>
<system_output timestamp="2153.339346">Reading state information...
</system_output>

### TARGET LINE (Extract and Classify THIS Timestamp):
<system_output timestamp="2153.54101">Reading extended state information...
</system_output>

Answer: 2153.54101, old event