### CONTEXT (Previous Events):
<system_output timestamp="258.687704">I: Validating libbpf1 1:1.1.0-1
</system_output>
<system_output timestamp="258.702638">I: Retrieving libbsd0 0.11.7-2
</system_output>
<system_output timestamp="258.710552">I: Validating libbsd0 0.11.7-2
</system_output>
<system_output timestamp="258.725233">I: Retrieving libbz2-1.0 1.0.8-5+b1
</system_output>
<system_output timestamp="258.732032">I: Validating libbz2-1.0 1.0.8-5+b1
</system_output>
<system_output timestamp="258.746385">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="258.778014">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="258.795911">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="258.837195">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="258.868451">I: Retrieving libcap-ng0 0.8.3-1+b3
</system_output>
<system_output timestamp="258.875666">I: Validating libcap-ng0 0.8.3-1+b3
</system_output>
<system_output timestamp="258.889444">I: Retrieving libcap2 1:2.66-4
</system_output>
<system_output timestamp="258.896662">I: Validating libcap2 1:2.66-4
</system_output>
<system_output timestamp="258.909479">I: Retrieving libcap2-bin 1:2.66-4
</system_output>

### TARGET LINE (Extract and Classify THIS Timestamp):
<system_output timestamp="258.916015">I: Validating libcap2-bin 1:2.66-4
</system_output>

Answer: 258.916015, old event