Description of problem: Stderr: 'error reading multiple stages: ARG requires exactly one argument definition\n' Version-Release number of selected component (if applicable): rhos16.2 on rhel8 2022-09-15 01:11:58 | Stdout: '' 2022-09-15 01:11:58 | Stderr: 'error reading multiple stages: ARG requires exactly one argument definition\n' 2022-09-15 01:11:58 | Traceback (most recent call last): 2022-09-15 01:11:58 | File "/home/zuul/workspace/venv_build/lib64/python3.6/site-packages/cliff/app.py", line 407, in run_subcommand 2022-09-15 01:11:58 | result = cmd.run(parsed_args) 2022-09-15 01:11:58 | File "/home/zuul/workspace/venv_build/lib64/python3.6/site-packages/tripleoclient/command.py", line 32, in run 2022-09-15 01:11:58 | super(Command, self).run(parsed_args) 2022-09-15 01:11:58 | File "/home/zuul/workspace/venv_build/lib64/python3.6/site-packages/osc_lib/command/command.py", line 39, in run 2022-09-15 01:11:58 | return super(Command, self).run(parsed_args) 2022-09-15 01:11:58 | File "/home/zuul/workspace/venv_build/lib64/python3.6/site-packages/cliff/command.py", line 186, in run 2022-09-15 01:11:58 | return_code = self.take_action(parsed_args) or 0 2022-09-15 01:11:58 | File "/home/zuul/workspace/venv_build/lib64/python3.6/site-packages/tripleoclient/v1/tripleo_container_image.py", line 688, in take_action 2022-09-15 01:11:58 | bb.build_all() 2022-09-15 01:11:58 | File "/home/zuul/workspace/venv_build/lib64/python3.6/site-packages/tripleo_common/image/builder/buildah.py", line 240, in build_all 2022-09-15 01:11:58 | exceptions='\n'.join(exceptions) 2022-09-15 01:11:58 | RuntimeError: 2022-09-15 01:11:58 | The following errors were detected during container build(s): 2022-09-15 01:11:58 | 2022-09-15 01:11:58 | Exception information: Unexpected error while running command. 2022-09-15 01:11:58 | Command: sudo buildah bud --volume /etc/yum.repos.d:/etc/distro.repos.d:z --volume /etc/pki/rpm-gpg:/etc/pki/rpm-gpg:z --volume /etc/pki/ca-trust:/etc/pki/ca-trust:z --format docker --tls-verify=False --logfile /home/zuul/container-builds/ce2e8b9d-4d89-43ae-9110-b27b8b956799/base/base-build.log -t docker-registry.upshift.redhat.com/tripleorhos-16-2/openstack-base:546f5261237fd7e18a39ce31ae980932 /home/zuul/container-builds/ce2e8b9d-4d89-43ae-9110-b27b8b956799/base 2022-09-15 01:11:58 | Exit code: 125 2022-09-15 01:11:58 | Stdout: '' 2022-09-15 01:11:58 | Stderr: 'error reading multiple stages: ARG requires exactly one argument definition\n' 2022-09-15 01:11:58 | clean_up Build: 2022-09-15 01:11:58 | The following errors were detected during container build(s): 2022-09-15 01:11:58 | 2022-09-15 01:11:58 | Exception information: Unexpected error while running command. 2022-09-15 01:11:58 | Command: sudo buildah bud --volume /etc/yum.repos.d:/etc/distro.repos.d:z --volume /etc/pki/rpm-gpg:/etc/pki/rpm-gpg:z --volume /etc/pki/ca-trust:/etc/pki/ca-trust:z --format docker --tls-verify=False --logfile /home/zuul/container-builds/ce2e8b9d-4d89-43ae-9110-b27b8b956799/base/base-build.log -t docker-registry.upshift.redhat.com/tripleorhos-16-2/openstack-base:546f5261237fd7e18a39ce31ae980932 /home/zuul/container-builds/ce2e8b9d-4d89-43ae-9110-b27b8b956799/base 2022-09-15 01:11:58 | Exit code: 125 2022-09-15 01:11:58 | Stdout: '' 2022-09-15 01:11:58 | Stderr: 'error reading multiple stages: ARG requires exactly one argument definition\n' 2022-09-15 01:11:58 | END return value: 1 Actual results:container build job is failing Expected results: container build job should pass Additional info: This issue started when patch [1] got merged. Chandan pushed one temporary fix in tripleo-ci [2] And here is the actual fix [3] [1]: https://review.opendev.org/c/openstack/tripleo-ci/+/850736 [2]: https://review.opendev.org/c/openstack/tripleo-ci/+/857817 [3]: https://review.opendev.org/c/openstack/tripleo-ansible/+/857777