[ INFO  ] TASK [Prepare CIDR for "virbr0"]

[ ERROR ] fatal: [localhost]: FAILED! => {"msg": "The task includes an option with an undefined variable. The error was: 'dict object' has no attribute 'ipv4'\n\nThe error appears to have been in '/usr/share/ovirt-hosted-engine-setup/ansible/bootstrap_local_vm.yml': line 50, column 7, but may\nbe elsewhere in the file depending on the exact syntax problem.\n\nThe offending line appears to be:\n\n      tags: [ 'skip_ansible_lint' ]\n    - name: Prepare CIDR for \"{{ virbr_default }}\"\n      ^ here\nWe could be wrong, but this one looks like it might be an issue with\nmissing quotes.  Always quote template expression brackets when they\nstart a value. For instance:\n\n    with_items:\n      - {{ foo }}\n\nShould be written as:\n\n    with_items:\n      - \"{{ foo }}\"\n"}

[ ERROR ] Failed to execute stage 'Closing up': Failed executing ansible-playbook

I have tried to use quotes on line 50 in the bootstrap_local_vm.yml file, it didn't work.