Backport of fingerprint: add DNS address and port to Consul fingerprint into release/1.7.x #19984
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Backport
This PR is auto-generated from #19969 to be assessed for backporting due to the inclusion of the label backport/1.7.x.
The below text is copied from the body of the original PR.
In order to provide a DNS address and port to Connect tasks configured for transparent proxy, we need to fingerprint the Consul DNS address and port. The client will pass this address/port to the iptables configuration provided to the
consul-cni
plugin.Ref: #10628
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