neutronclient.common.exceptions.BadRequest: Invalid input for allocation_pools. Reason: '172.16.202\nfe80' is not a valid IP address.

[freyes]

Issue seen in the CI:
https://openstack-ci-reports.ubuntu.com/artifacts/980/881446/1/check/vault-focal-wallaby/980ab0f/job-output.txt
https://openstack-ci-reports.ubuntu.com/artifacts/980/881446/1/check/vault-focal-wallaby/980ab0f/

2023-04-26 23:58:23.219506 | focal-medium | 2023-04-26 23:58:23 [INFO] Creating flat external network: ext_net
2023-04-26 23:58:23.851672 | focal-medium | 2023-04-26 23:58:23 [INFO] Network ext_net created: fbe328cb-8874-425a-81a7-4affe9b3fc2a
2023-04-26 23:58:23.912822 | focal-medium | 2023-04-26 23:58:23 [INFO] Creating new subnet
2023-04-26 23:58:23.942694 | focal-medium | 2023-04-26 23:58:23 [ERROR] {'vault': 'zaza-f46b40e49197'}
2023-04-26 23:58:23.943056 | focal-medium | 2023-04-26 23:58:23 [ERROR] Model vault (zaza-f46b40e49197)
2023-04-26 23:58:26.454406 | focal-medium | Traceback (most recent call last):
2023-04-26 23:58:26.454512 | focal-medium |   File "/home/ubuntu/src/review.opendev.org/openstack/charm-nova-cloud-controller/.tox/func-target/bin/functest-run-suite", line 8, in <module>
2023-04-26 23:58:26.454552 | focal-medium |     sys.exit(main())
2023-04-26 23:58:26.454601 | focal-medium |   File "/home/ubuntu/src/review.opendev.org/openstack/charm-nova-cloud-controller/.tox/func-target/lib/python3.8/site-packages/zaza/charm_lifecycle/func_test_runner.py", line 364, in main
2023-04-26 23:58:26.454636 | focal-medium |     func_test_runner(
2023-04-26 23:58:26.454686 | focal-medium |   File "/home/ubuntu/src/review.opendev.org/openstack/charm-nova-cloud-controller/.tox/func-target/lib/python3.8/site-packages/zaza/charm_lifecycle/func_test_runner.py", line 277, in func_test_runner
2023-04-26 23:58:26.454792 | focal-medium |     run_env_deployment(env_deployment, keep_model=preserve_model,
2023-04-26 23:58:26.454837 | focal-medium |   File "/home/ubuntu/src/review.opendev.org/openstack/charm-nova-cloud-controller/.tox/func-target/lib/python3.8/site-packages/zaza/charm_lifecycle/func_test_runner.py", line 151, in run_env_deployment
2023-04-26 23:58:26.454925 | focal-medium |     configure.configure(
2023-04-26 23:58:26.455012 | focal-medium |   File "/home/ubuntu/src/review.opendev.org/openstack/charm-nova-cloud-controller/.tox/func-target/lib/python3.8/site-packages/zaza/charm_lifecycle/configure.py", line 51, in configure
2023-04-26 23:58:26.455054 | focal-medium |     run_configure_list(functions)
2023-04-26 23:58:26.455090 | focal-medium |   File "/home/ubuntu/src/review.opendev.org/openstack/charm-nova-cloud-controller/.tox/func-target/lib/python3.8/site-packages/zaza/charm_lifecycle/configure.py", line 37, in run_configure_list
2023-04-26 23:58:26.455122 | focal-medium |     utils.get_class(func)()
2023-04-26 23:58:26.455183 | focal-medium |   File "/home/ubuntu/src/review.opendev.org/openstack/charm-nova-cloud-controller/.tox/func-target/lib/python3.8/site-packages/zaza/openstack/charm_tests/neutron/setup.py", line 121, in basic_overcloud_network
2023-04-26 23:58:26.455217 | focal-medium |     network.setup_sdn(network_config, keystone_session=keystone_session)
2023-04-26 23:58:26.455249 | focal-medium |   File "/home/ubuntu/src/review.opendev.org/openstack/charm-nova-cloud-controller/.tox/func-target/lib/python3.8/site-packages/zaza/openstack/configure/network.py", line 133, in setup_sdn
2023-04-26 23:58:26.455281 | focal-medium |     openstack_utils.create_provider_subnet(
2023-04-26 23:58:26.455328 | focal-medium |   File "/home/ubuntu/src/review.opendev.org/openstack/charm-nova-cloud-controller/.tox/func-target/lib/python3.8/site-packages/zaza/openstack/utilities/openstack.py", line 1295, in create_provider_subnet
2023-04-26 23:58:26.455359 | focal-medium |     subnet = neutron_client.create_subnet({'subnet': subnet_msg})['subnet']
2023-04-26 23:58:26.455388 | focal-medium |   File "/home/ubuntu/src/review.opendev.org/openstack/charm-nova-cloud-controller/.tox/func-target/lib/python3.8/site-packages/neutronclient/v2_0/client.py", line 848, in create_subnet
2023-04-26 23:58:26.455416 | focal-medium |     return self.post(self.subnets_path, body=body)
2023-04-26 23:58:26.455445 | focal-medium |   File "/home/ubuntu/src/review.opendev.org/openstack/charm-nova-cloud-controller/.tox/func-target/lib/python3.8/site-packages/neutronclient/v2_0/client.py", line 358, in post
2023-04-26 23:58:26.455485 | focal-medium |     return self.do_request("POST", action, body=body,
2023-04-26 23:58:26.455522 | focal-medium |   File "/home/ubuntu/src/review.opendev.org/openstack/charm-nova-cloud-controller/.tox/func-target/lib/python3.8/site-packages/neutronclient/v2_0/client.py", line 294, in do_request
2023-04-26 23:58:26.455556 | focal-medium |     self._handle_fault_response(status_code, replybody, resp)
2023-04-26 23:58:26.455590 | focal-medium |   File "/home/ubuntu/src/review.opendev.org/openstack/charm-nova-cloud-controller/.tox/func-target/lib/python3.8/site-packages/neutronclient/v2_0/client.py", line 269, in _handle_fault_response
2023-04-26 23:58:26.455618 | focal-medium |     exception_handler_v20(status_code, error_body)
2023-04-26 23:58:26.455646 | focal-medium |   File "/home/ubuntu/src/review.opendev.org/openstack/charm-nova-cloud-controller/.tox/func-target/lib/python3.8/site-packages/neutronclient/v2_0/client.py", line 91, in exception_handler_v20
2023-04-26 23:58:26.455672 | focal-medium |     raise client_exc(message=error_message,
2023-04-26 23:58:26.455699 | focal-medium | neutronclient.common.exceptions.BadRequest: Invalid input for allocation_pools. Reason: '172.16.202
2023-04-26 23:58:26.455728 | focal-medium | fe80' is not a valid IP address.
2023-04-26 23:58:26.455758 | focal-medium | Neutron server returns request_ids: ['req-0eea4e40-9266-40ae-bc2e-fd0f461ac5c8']
2023-04-26 23:58:27.156050 | focal-medium | ERROR: InvocationError for command /home/ubuntu/src/review.opendev.org/openstack/charm-nova-cloud-controller/.tox/func-target/bin/functest-run-suite --keep-model --bundle vault:focal-wallaby (exited with code 1)