### CONTEXT (Previous Events):
<system_output timestamp="4007.033396">Get:24 http://127.0.0.1:3142/ftp.de.debian.org/debian bookworm/main i386 libparted2 i386 3.5-3 [318 kB]
</system_output>
<system_output timestamp="4007.038399">Get:25 http://127.0.0.1:3142/ftp.de.debian.org/debian bookworm/main i386 parted i386 3.5-3 [43.2 kB]
</system_output>
<system_output timestamp="4007.039579">Get:26 http://127.0.0.1:3142/ftp.de.debian.org/debian bookworm/main i386 fai-setup-storage all 6.0.3+deb12u1 [55.4 kB]
</system_output>
<system_output timestamp="4007.040856">Get:27 http://127.0.0.1:3142/ftp.de.debian.org/debian bookworm/main i386 pxelinux all 3:6.04~git20190206.bf6db5b4+dfsg1-3 [156 kB]
</system_output>
<system_output timestamp="4007.043766">Get:28 http://127.0.0.1:3142/ftp.de.debian.org/debian bookworm/main i386 syslinux-efi all 3:6.04~git20190206.bf6db5b4+dfsg1-3 [201 kB]
</system_output>
<system_output timestamp="4007.047413">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="4007.073344">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="4007.481716">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="4007.503573">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="4007.504606">(Reading database ... 
</system_output>
<system_output timestamp="4007.506954">(Reading database ... 5%
</system_output>
<system_output timestamp="4007.508129">(Reading database ... 10%
</system_output>
<system_output timestamp="4007.51026">(Reading database ... 15%
</system_output>
<system_output timestamp="4007.51124">(Reading database ... 20%
</system_output>

### TARGET LINE (Extract and Classify THIS Timestamp):
<system_output timestamp="4007.512523">(Reading database ... 25%
</system_output>

Answer: 4007.512523, old event