also mentioned here:
https://www.reddit.com/r/homeassistant/comments/1lvtzjz/warning_dont_update_to_202571_and_haos_160/

see
home-assistant/operating-system#4110 (comment)

home-assistant/operating-system#4110

2025/07/10 15:08:32 Using configuration at: /etc/kapacitor/kapacitor.conf
time="2025-07-10T15:08:50+02:00" level=info msg="Serving chronograf at http://127.0.0.1:8889" component=server
time="2025-07-10T15:08:50+02:00" level=info msg="Reporting usage stats" component=usage freq=24h reporting_addr="https://usage.influxdata.com" stats="os,arch,version,cluster_id,uptime"
[15:08:50] INFO: �[32mStarting NGINX...�[0m
2025/07/10 13:09:26 http: Accept error: accept tcp [::]:8086: accept4: too many open files; retrying in 5ms
2025/07/10 13:09:26 http: Accept error: accept tcp [::]:8086: accept4: too many open files; retrying in 10ms
2025/07/10 13:09:26 http: Accept error: accept tcp [::]:8086: accept4: too many open files; retrying in 20ms
2025/07/10 13:09:26 http: Accept error: accept tcp [::]:8086: accept4: too many open files; retrying in 40ms