Disclaimer: I'm not completely sure if this is a bug.
In some cases, the timestamps in the log are not monotone.
For example:

[2022-12-08T22:46:14.185Z] [redacted]
[2022-12-08T22:46:11.653Z] [redacted]

A bit longer example from the timestamps endoint:

0.003
0.406
0.825
0.875
0.893
1.060
1.079
1.083
1.123
1.406
1.406
1.416
1.437
1.450
1.504
-1.-28
0.-62
1.978
2.004
2.008
2.036
2.036

In case any of the values above is negatived, elapsed seems to break and cause https://issues.jenkins.io/browse/JENKINS-67266.
My main question is, is it possible / intentional that the timestamps are not monotone? Or is this a bug?