### CONTEXT (Previous Events):
<system_output timestamp="8399.818149">Get:68 http://127.0.0.1:3142/ftp.de.debian.org/debian bookworm/main i386 libdiscover2 i386 2.1.2-10 [94.2 kB]
</system_output>
<system_output timestamp="8399.820178">Get:69 http://127.0.0.1:3142/ftp.de.debian.org/debian bookworm/main i386 discover i386 2.1.2-10 [43.3 kB]
</system_output>
<system_output timestamp="8399.822385">Get:70 http://127.0.0.1:3142/ftp.de.debian.org/debian bookworm/main i386 libdevmapper-event1.02.1 i386 2:1.02.185-2 [12.3 kB]
Get:71 http://127.0.0.1:3142/ftp.de.debian.org/debian bookworm/main i386 libaio1 i386 0.3.113-4 [13.5 kB]
</system_output>
<system_output timestamp="8399.823977">Get:72 http://127.0.0.1:3142/ftp.de.debian.org/debian bookworm/main i386 liblvm2cmd2.03 i386 2.03.16-2 [716 kB]
</system_output>
<system_output timestamp="8399.8376">Get:73 http://127.0.0.1:3142/ftp.de.debian.org/debian bookworm/main i386 dmeventd i386 2:1.02.185-2 [58.1 kB]
</system_output>
<system_output timestamp="8399.839274">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="8399.84292">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="8399.844395">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="8399.846911">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="8399.847685">Get:78 http://127.0.0.1:3142/ftp.de.debian.org/debian bookworm/main i386 dump i386 0.4b47-4 [143 kB]
</system_output>
<system_output timestamp="8399.850748">Get:79 http://127.0.0.1:3142/ftp.de.debian.org/debian bookworm/main i386 libefivar1 i386 37-6 [50.1 kB]
</system_output>
<system_output timestamp="8399.853327">Get:80 http://127.0.0.1:3142/ftp.de.debian.org/debian bookworm/main i386 libefiboot1 i386 37-6 [43.6 kB]
</system_output>
<system_output timestamp="8399.859808">Get:81 http://127.0.0.1:3142/ftp.de.debian.org/debian bookworm/main i386 efibootmgr i386 17-2 [27.7 kB]
</system_output>
<system_output timestamp="8399.871119">Get:82 http://127.0.0.1:3142/ftp.de.debian.org/debian bookworm/main i386 emacs-el all 1:28.2+1-15+deb12u3 [16.9 MB]
</system_output>

### TARGET LINE (Extract and Classify THIS Timestamp):
<system_output timestamp="8400.161213">Get:83 http://127.0.0.1:3142/ftp.de.debian.org/debian bookworm/main i386 emacsen-common all 3.0.5 [12.3 kB]
Get:84 http://127.0.0.1:3142/ftp.de.debian.org/debian bookworm/main i386 emacs-common all 1:28.2+1-15+deb12u3 [14.0 MB]
</system_output>

Answer: 8400.161213, old event