What were you trying to do that didn't work?

trying to reduce the burst of connections on my firewall

What is the impact of this issue to you?

storm of connections, no known business impact

Please provide the package NVR for which the bug is seen:

unbound-libs-1.16.2-8.el9_4.1.x86_64

How reproducible is this bug?:

everyday at 00:00:00 UTC

Steps to reproduce

1. run an OpenShift cluster or a RHEL VM
2. observe the traffic at 00:00
3.  

Expected results

flat traffic

Actual results

huge burst of traffic as every single RHEL VM is trying to connect to root servers as per config https://gitlab.com/redhat/centos-stream/rpms/unbound/-/blob/c10s/unbound-anchor.timer?ref_type=heads

logs on every single VM:

Sep 15 00:00:00 systemd[1]: Starting update of the root trust anchor for DNSSEC validation in unbound...