Main container doesn't get stopped prior to sidecar containers

[alghe-global]

This is a Bug Report

Problem:
Sidecar containers documentation seems to be wrong in saying that main container is stopped before sidecar container.

Documentation: https://kubernetes.io/docs/concepts/workloads/pods/sidecar-containers/#sidecar-containers-and-pod-lifecycle

Tests that proves sidecar gets stopped first prior to main container: https://kubernetes.slack.com/archives/C0BP8PW9G/p1746008313521029?thread_ts=1746008313.521029&cid=C0BP8PW9G

Proposed Solution:
Sidecar containers get killed first prior to main container.

Page to Update:
https://kubernetes.io/docs/concepts/workloads/pods/sidecar-containers/#sidecar-containers-and-pod-lifecycle

The fix needs to get a technical review from SIG Node

[lmktfy]

/triage accepted

[lmktfy]

/sig node
/priority backlog