Comment 2 for bug 1986708

Seen again today in Gate job:-

https://storage.bhs.cloud.ovh.net/v1/AUTH_dcaab5e32b234d56b626f72581e3644c/zuul_opendev_logs_649/852532/5/gate/tripleo-ci-centos-9-content-provider/649da27/job-output.txt
~~~
2022-08-18 01:14:06.982440 | primary | failed: [undercloud] (item=quay.io/prometheus/node-exporter:v1.3.1) => {"ansible_loop_var": "item", "item": "quay.io/prometheus/node-exporter:v1.3.1", "msg": "Failed to connect to the host via ssh: kex_exchange_identification: Connection closed by remote host\r\nConnection closed by 127.0.0.2 port 22", "unreachable": true}
~~~