### CONTEXT (Previous Events):
<system_output timestamp="4260.766236">Reading package lists...
</system_output>
<system_output timestamp="4261.044024">Building dependency tree...
</system_output>
<system_output timestamp="4261.045476">Reading state information...
</system_output>
<system_output timestamp="4261.247096">Reading extended state information...
</system_output>
<system_output timestamp="4261.267429">Initializing package states...
</system_output>
<system_output timestamp="4261.77057">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="4262.031767">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="4262.540089">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="4262.616738">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="4262.622449">Fetched 158 kB in 0s (5,322 kB/s)
</system_output>
<system_output timestamp="4262.669944">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 libhttp-request-ascgi-perl
</system_output>
<system_output timestamp="4262.715895">Reading package lists...
</system_output>
<system_output timestamp="4262.959131">Building dependency tree...
</system_output>
<system_output timestamp="4262.960621">Reading state information...
</system_output>

### TARGET LINE (Extract and Classify THIS Timestamp):
<system_output timestamp="4263.156473">Reading extended state information...
</system_output>

Answer: 4263.156473, old event