### CONTEXT (Previous Events):
<system_output timestamp="3988.714391">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 dnsutils
</system_output>
<system_output timestamp="3988.808852">Reading package lists...
</system_output>
<system_output timestamp="3989.061148">Building dependency tree...
</system_output>
<system_output timestamp="3989.065261">Reading state information...
</system_output>
<system_output timestamp="3989.27807">Reading extended state information...
</system_output>
<system_output timestamp="3989.297317">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="3989.728282">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="3989.986856">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="3990.528118">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="3990.592254">Get: 1 http://127.0.0.1:3142/ftp.de.debian.org/debian bookworm/main i386 bind9-host i386 1:9.18.28-1~deb12u2 [309 kB]
</system_output>
<system_output timestamp="3990.600116">Get: 2 http://127.0.0.1:3142/ftp.de.debian.org/debian bookworm/main i386 bind9-dnsutils i386 1:9.18.28-1~deb12u2 [412 kB]
</system_output>
<system_output timestamp="3990.605637">Get: 3 http://127.0.0.1:3142/ftp.de.debian.org/debian bookworm/main i386 dnsutils all 1:9.18.28-1~deb12u2 [264 kB]
</system_output>
<system_output timestamp="3990.648225">Fetched 985 kB in 0s (14.0 MB/s)
</system_output>
<system_output timestamp="3990.701345">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 apt-cacher-ng
</system_output>

### TARGET LINE (Extract and Classify THIS Timestamp):
<system_output timestamp="3990.748138">Reading package lists...
</system_output>

Answer: 3990.748138, old event