I have attempted to reproduce the issue couple times but  in both cases a replay was successful.  Initially,  I failed the bootstrap by changing the registry names.  The initial failure log was:
TASK [common/push-docker-images : Download images and push to local registry] *************************************************************************************************************************************************************************
fatal: [localhost]: FAILED! => {"changed": true, "msg": "non-zero return code", "rc": 1, "stderr": "Traceback (most recent call last):\n  File \"/tmp/.ansible-sysadmin/tmp/ansible-tmp-1575920855.86-196888930696435/download_images.py\", line 117, in <module>\n    raise Exception(\"Failed to download images %s\" % failed_downloads)\nException: Failed to download images [u'tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/iuay.io/calico/cni:v3.6.2', u'tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/iuay.io/calico/node:v3.6.2', u'tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/iuay.io/calico/kube-controllers:v3.6.2', u'tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/igcr.io/kubernetes-helm/tiller:v2.13.1', u'tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/iuay.io/airshipit/armada:8a1638098f88d92bf799ef4934abe569789b885e-ubuntu_bionic']\n", "stderr_lines": ["Traceback (most recent call last):", "  File \"/tmp/.ansible-sysadmin/tmp/ansible-tmp-1575920855.86-196888930696435/download_images.py\", line 117, in <module>", "    raise Exception(\"Failed to download images %s\" % failed_downloads)", "Exception: Failed to download images [u'tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/iuay.io/calico/cni:v3.6.2', u'tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/iuay.io/calico/node:v3.6.2', u'tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/iuay.io/calico/kube-controllers:v3.6.2', u'tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/igcr.io/kubernetes-helm/tiller:v2.13.1', u'tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/iuay.io/airshipit/armada:8a1638098f88d92bf799ef4934abe569789b885e-ubuntu_bionic']"], "stdout": " Image download failed: tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/k8s.gcr.io/kube-apiserver:v1.16.2500 Server Error: Internal Server Error (\"Get https://tis-lab-registry.cumulus.wrs.com:9001/v2/: dial tcp: lookup tis-lab-registry.cumulus.wrs.com on [2620:10a:a001:a103::2]:53: server misbehaving\")\nSleep 20s before retry downloading image tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/k8s.gcr.io/kube-apiserver:v1.16.2 ...\n Image download failed: tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/k8s.gcr.io/kube-apiserver:v1.16.2500 Server Error: Internal Server Error (\"Get https://tis-lab-registry.cumulus.wrs.com:9001/v2/: dial tcp: lookup tis-lab-registry.cumulus.wrs.com on [2620:10a:a001:a103::2]:53: server misbehaving\")\nSleep 20s before retry downloading image tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/k8s.gcr.io/kube-apiserver:v1.16.2 ...\nImage download succeeded: tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/k8s.gcr.io/kube-apiserver:v1.16.2\nImage push succeeded: registry.local:9001/k8s.gcr.io/kube-apiserver:v1.16.2\nImage download succeeded: tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/k8s.gcr.io/kube-controller-manager:v1.16.2\nImage push succeeded: registry.local:9001/k8s.gcr.io/kube-controller-manager:v1.16.2\nImage download succeeded: tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/k8s.gcr.io/kube-scheduler:v1.16.2\nImage push succeeded: registry.local:9001/k8s.gcr.io/kube-scheduler:v1.16.2\nImage download succeeded: tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/k8s.gcr.io/kube-proxy:v1.16.2\nImage push succeeded: registry.local:9001/k8s.gcr.io/kube-proxy:v1.16.2\nImage download succeeded: tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/k8s.gcr.io/pause:3.1\nImage push succeeded: registry.local:9001/k8s.gcr.io/pause:3.1\nImage download succeeded: tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/k8s.gcr.io/etcd:3.3.15-0\nImage push succeeded: registry.local:9001/k8s.gcr.io/etcd:3.3.15-0\nImage download succeeded: tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/k8s.gcr.io/coredns:1.6.2\nImage push succeeded: registry.local:9001/k8s.gcr.io/coredns:1.6.2\n Image download failed: tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/iuay.io/calico/cni:v3.6.2404 Client Error: Not Found (\"manifest for tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/iuay.io/calico/cni:v3.6.2 not found\")\n Image download failed: tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/iuay.io/calico/node:v3.6.2404 Client Error: Not Found (\"manifest for tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/iuay.io/calico/node:v3.6.2 not found\")\n Image download failed: tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/iuay.io/calico/kube-controllers:v3.6.2404 Client Error: Not Found (\"manifest for tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/iuay.io/calico/kube-controllers:v3.6.2 not found\")\nImage download succeeded: tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/docker.io/starlingx/multus:v3.2.16\nImage push succeeded: registry.local:9001/docker.io/starlingx/multus:v3.2.16\nImage download succeeded: tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/docker.io/starlingx/k8s-cni-sriov:master-centos-stable-latest\nImage push succeeded: registry.local:9001/docker.io/starlingx/k8s-cni-sriov:master-centos-stable-latest\nImage download succeeded: tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/docker.io/starlingx/k8s-plugins-sriov-network-device:master-centos-stable-latest\nImage push succeeded: registry.local:9001/docker.io/starlingx/k8s-plugins-sriov-network-device:master-centos-stable-latest\n Image download failed: tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/igcr.io/kubernetes-helm/tiller:v2.13.1404 Client Error: Not Found (\"manifest for tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/igcr.io/kubernetes-helm/tiller:v2.13.1 not found\")\n Image download failed: tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/iuay.io/airshipit/armada:8a1638098f88d92bf799ef4934abe569789b885e-ubuntu_bionic404 Client Error: Not Found (\"manifest for tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/iuay.io/airshipit/armada:8a1638098f88d92bf799ef4934abe569789b885e-ubuntu_bionic not found\")\nImage download succeeded: tis-lab-registry.cumulus.wrs.com:9001/wind-river/cloud-platform-deployment-manager:TC_19.10\nImage push succeeded: registry.local:9001/tis-lab-registry.cumulus.wrs.com/wind-river/cloud-platform-deployment-manager:TC_19.10\n", "stdout_lines": [" Image download failed: tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/k8s.gcr.io/kube-apiserver:v1.16.2500 Server Error: Internal Server Error (\"Get https://tis-lab-registry.cumulus.wrs.com:9001/v2/: dial tcp: lookup tis-lab-registry.cumulus.wrs.com on [2620:10a:a001:a103::2]:53: server misbehaving\")", "Sleep 20s before retry downloading image tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/k8s.gcr.io/kube-apiserver:v1.16.2 ...", " Image download failed: tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/k8s.gcr.io/kube-apiserver:v1.16.2500 Server Error: Internal Server Error (\"Get https://tis-lab-registry.cumulus.wrs.com:9001/v2/: dial tcp: lookup tis-lab-registry.cumulus.wrs.com on [2620:10a:a001:a103::2]:53: server misbehaving\")", "Sleep 20s before retry downloading image tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/k8s.gcr.io/kube-apiserver:v1.16.2 ...", "Image download succeeded: tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/k8s.gcr.io/kube-apiserver:v1.16.2", "Image push succeeded: registry.local:9001/k8s.gcr.io/kube-apiserver:v1.16.2", "Image download succeeded: tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/k8s.gcr.io/kube-controller-manager:v1.16.2", "Image push succeeded: registry.local:9001/k8s.gcr.io/kube-controller-manager:v1.16.2", "Image download succeeded: tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/k8s.gcr.io/kube-scheduler:v1.16.2", "Image push succeeded: registry.local:9001/k8s.gcr.io/kube-scheduler:v1.16.2", "Image download succeeded: tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/k8s.gcr.io/kube-proxy:v1.16.2", "Image push succeeded: registry.local:9001/k8s.gcr.io/kube-proxy:v1.16.2", "Image download succeeded: tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/k8s.gcr.io/pause:3.1", "Image push succeeded: registry.local:9001/k8s.gcr.io/pause:3.1", "Image download succeeded: tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/k8s.gcr.io/etcd:3.3.15-0", "Image push succeeded: registry.local:9001/k8s.gcr.io/etcd:3.3.15-0", "Image download succeeded: tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/k8s.gcr.io/coredns:1.6.2", "Image push succeeded: registry.local:9001/k8s.gcr.io/coredns:1.6.2", " Image download failed: tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/iuay.io/calico/cni:v3.6.2404 Client Error: Not Found (\"manifest for tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/iuay.io/calico/cni:v3.6.2 not found\")", " Image download failed: tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/iuay.io/calico/node:v3.6.2404 Client Error: Not Found (\"manifest for tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/iuay.io/calico/node:v3.6.2 not found\")", " Image download failed: tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/iuay.io/calico/kube-controllers:v3.6.2404 Client Error: Not Found (\"manifest for tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/iuay.io/calico/kube-controllers:v3.6.2 not found\")", "Image download succeeded: tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/docker.io/starlingx/multus:v3.2.16", "Image push succeeded: registry.local:9001/docker.io/starlingx/multus:v3.2.16", "Image download succeeded: tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/docker.io/starlingx/k8s-cni-sriov:master-centos-stable-latest", "Image push succeeded: registry.local:9001/docker.io/starlingx/k8s-cni-sriov:master-centos-stable-latest", "Image download succeeded: tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/docker.io/starlingx/k8s-plugins-sriov-network-device:master-centos-stable-latest", "Image push succeeded: registry.local:9001/docker.io/starlingx/k8s-plugins-sriov-network-device:master-centos-stable-latest", " Image download failed: tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/igcr.io/kubernetes-helm/tiller:v2.13.1404 Client Error: Not Found (\"manifest for tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/igcr.io/kubernetes-helm/tiller:v2.13.1 not found\")", " Image download failed: tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/iuay.io/airshipit/armada:8a1638098f88d92bf799ef4934abe569789b885e-ubuntu_bionic404 Client Error: Not Found (\"manifest for tis-lab-registry.cumulus.wrs.com:9001/wrcp-staging/iuay.io/airshipit/armada:8a1638098f88d92bf799ef4934abe569789b885e-ubuntu_bionic not found\")", "Image download succeeded: tis-lab-registry.cumulus.wrs.com:9001/wind-river/cloud-platform-deployment-manager:TC_19.10", "Image push succeeded: registry.local:9001/tis-lab-registry.cumulus.wrs.com/wind-river/cloud-platform-deployment-manager:TC_19.10"]}

PLAY RECAP ********************************************************************************************************************************************************************************************************************************************
localhost                  : ok=214  changed=94   unreachable=0    failed=1

A second replay with correct registry names succeed both times:
PLAY RECAP ********************************************************************************************************************************************************************************************************************************************
localhost                  : ok=288  changed=146  unreachable=0    failed=0

Yosief