Requests handled by the metadata-agents can now be rate-limited by
source-ip. This is done to protect the OpenStack control plane against
VMs querying the metadata endpoint in an overly enthusiastic way.
Co-authored-by: Miguel Lavalle <mlavalle@redhat.com>
Related-Bug: #1989199
Change-Id: I748ccfa8b50496dcbcbe41fd22f84249a4d46b11
5f4a41326d