Dear everyone, I have a working WA for the problem. There is a problem with pyroute2 0.6.6 version which is installed in the container. I upgraded the version to 0.6.11 and replaced the running container. I got it to work by editing the container image and replacing it as following: [root@overcloud-computesriov-16 new_ovn_metadata_agent_image]# cat Dockerfile FROM uc4tb27.ctlplane.tb27.cld:8787/tripleowallaby/openstack-neutron-metadata-agent-ovn:current-tripleo USER root # Just upgrade pyroute2 directly using existing pip RUN python3 -m pip install --no-cache-dir --upgrade "pyroute2==0.6.11" # (Optional) Switch back to original user USER neutron [root@overcloud-computesriov-16 new_ovn_metadata_agent_image]# podman build -t custom-neutron-metadata-agent . podman container run --name ovn_metadata_agent --cgroupns=host --conmon-pidfile /run/ovn_metadata_agent.pid --detach=true --env KOLLA_CONFIG_STRATEGY=COPY_ALWAYS --env TRIPLEO_CONFIG_HASH=b0f0231085155addf0474368939de6e0 --healthcheck-command /openstack/healthcheck --label config_id=tripleo_step4 --label container_name=ovn_metadata_agent --label managed_by=tripleo_ansible --label "config_data={'cgroupns': 'host', 'environment': {'KOLLA_CONFIG_STRATEGY': 'COPY_ALWAYS', 'TRIPLEO_CONFIG_HASH': 'b0f0231085155addf0474368939de6e0'}, 'healthcheck': {'test': '/openstack/healthcheck'}, 'image': 'uc4tb27.ctlplane.tb27.cld:8787/tripleowallaby/openstack-neutron-metadata-agent-ovn:current-tripleo', 'net': 'host', 'pid': 'host', 'privileged': True, 'restart': 'always', 'start_order': 1, 'volumes': ['/etc/hosts:/etc/hosts:ro', '/etc/localtime:/etc/localtime:ro', '/etc/pki/ca-trust/extracted:/etc/pki/ca-trust/extracted:ro', '/etc/pki/ca-trust/source/anchors:/etc/pki/ca-trust/source/anchors:ro', '/etc/pki/tls/certs/ca-bundle.crt:/etc/pki/tls/certs/ca-bundle.crt:ro', '/etc/pki/tls/certs/ca-bundle.trust.crt:/etc/pki/tls/certs/ca-bundle.trust.crt:ro', '/etc/pki/tls/cert.pem:/etc/pki/tls/cert.pem:ro', '/dev/log:/dev/log', '/etc/puppet:/etc/puppet:ro', '/var/log/containers/neutron:/var/log/neutron:z', '/var/lib/kolla/config_files/ovn_metadata_agent.json:/var/lib/kolla/config_files/config.json:ro', '/var/lib/config-data/puppet-generated/neutron:/var/lib/kolla/config_files/src:ro', '/lib/modules:/lib/modules:ro', '/run/openvswitch:/run/openvswitch:shared,z', '/var/lib/neutron:/var/lib/neutron:shared,z', '/run/netns:/run/netns:shared', '/var/lib/neutron/kill_scripts:/etc/neutron/kill_scripts:shared,z', '/var/lib/neutron/ovn_metadata_haproxy_wrapper:/usr/local/bin/haproxy:ro', '/usr/sbin/ip:/usr/sbin/ip']}" --log-driver k8s-file --log-opt path=/var/log/containers/stdouts/ovn_metadata_agent.log --network host --pid host --privileged=true --volume /etc/hosts:/etc/hosts:ro --volume /etc/localtime:/etc/localtime:ro --volume /etc/pki/ca-trust/extracted:/etc/pki/ca-trust/extracted:ro --volume /etc/pki/ca-trust/source/anchors:/etc/pki/ca-trust/source/anchors:ro --volume /etc/pki/tls/certs/ca-bundle.crt:/etc/pki/tls/certs/ca-bundle.crt:ro --volume /etc/pki/tls/certs/ca-bundle.trust.crt:/etc/pki/tls/certs/ca-bundle.trust.crt:ro --volume /etc/pki/tls/cert.pem:/etc/pki/tls/cert.pem:ro --volume /dev/log:/dev/log --volume /etc/puppet:/etc/puppet:ro --volume /var/log/containers/neutron:/var/log/neutron:z --volume /var/lib/kolla/config_files/ovn_metadata_agent.json:/var/lib/kolla/config_files/config.json:ro --volume /var/lib/config-data/puppet-generated/neutron:/var/lib/kolla/config_files/src:ro --volume /lib/modules:/lib/modules:ro --volume /run/openvswitch:/run/openvswitch:shared,z --volume /var/lib/neutron:/var/lib/neutron:shared,z --volume /run/netns:/run/netns:shared --volume /var/lib/neutron/kill_scripts:/etc/neutron/kill_scripts:shared,z --volume /var/lib/neutron/ovn_metadata_haproxy_wrapper:/usr/local/bin/haproxy:ro localhost/custom-neutron-metadata-agent:latest 245 podman container run --replace --name ovn_metadata_agent --cgroupns=host --conmon-pidfile /run/ovn_metadata_agent.pid --detach=true --env KOLLA_CONFIG_STRATEGY=COPY_ALWAYS --env TRIPLEO_CONFIG_HASH=b0f0231085155addf0474368939de6e0 --healthcheck-command /openstack/healthcheck --label config_id=tripleo_step4 --label container_name=ovn_metadata_agent --label managed_by=tripleo_ansible --label "config_data={'cgroupns': 'host', 'environment': {'KOLLA_CONFIG_STRATEGY': 'COPY_ALWAYS', 'TRIPLEO_CONFIG_HASH': 'b0f0231085155addf0474368939de6e0'}, 'healthcheck': {'test': '/openstack/healthcheck'}, 'image': 'uc4tb27.ctlplane.tb27.cld:8787/tripleowallaby/openstack-neutron-metadata-agent-ovn:current-tripleo', 'net': 'host', 'pid': 'host', 'privileged': True, 'restart': 'always', 'start_order': 1, 'volumes': ['/etc/hosts:/etc/hosts:ro', '/etc/localtime:/etc/localtime:ro', '/etc/pki/ca-trust/extracted:/etc/pki/ca-trust/extracted:ro', '/etc/pki/ca-trust/source/anchors:/etc/pki/ca-trust/source/anchors:ro', '/etc/pki/tls/certs/ca-bundle.crt:/etc/pki/tls/certs/ca-bundle.crt:ro', '/etc/pki/tls/certs/ca-bundle.trust.crt:/etc/pki/tls/certs/ca-bundle.trust.crt:ro', '/etc/pki/tls/cert.pem:/etc/pki/tls/cert.pem:ro', '/dev/log:/dev/log', '/etc/puppet:/etc/puppet:ro', '/var/log/containers/neutron:/var/log/neutron:z', '/var/lib/kolla/config_files/ovn_metadata_agent.json:/var/lib/kolla/config_files/config.json:ro', '/var/lib/config-data/puppet-generated/neutron:/var/lib/kolla/config_files/src:ro', '/lib/modules:/lib/modules:ro', '/run/openvswitch:/run/openvswitch:shared,z', '/var/lib/neutron:/var/lib/neutron:shared,z', '/run/netns:/run/netns:shared', '/var/lib/neutron/kill_scripts:/etc/neutron/kill_scripts:shared,z', '/var/lib/neutron/ovn_metadata_haproxy_wrapper:/usr/local/bin/haproxy:ro', '/usr/sbin/ip:/usr/sbin/ip']}" --log-driver k8s-file --log-opt path=/var/log/containers/stdouts/ovn_metadata_agent.log --network host --pid host --privileged=true --volume /etc/hosts:/etc/hosts:ro --volume /etc/localtime:/etc/localtime:ro --volume /etc/pki/ca-trust/extracted:/etc/pki/ca-trust/extracted:ro --volume /etc/pki/ca-trust/source/anchors:/etc/pki/ca-trust/source/anchors:ro --volume /etc/pki/tls/certs/ca-bundle.crt:/etc/pki/tls/certs/ca-bundle.crt:ro --volume /etc/pki/tls/certs/ca-bundle.trust.crt:/etc/pki/tls/certs/ca-bundle.trust.crt:ro --volume /etc/pki/tls/cert.pem:/etc/pki/tls/cert.pem:ro --volume /dev/log:/dev/log --volume /etc/puppet:/etc/puppet:ro --volume /var/log/containers/neutron:/var/log/neutron:z --volume /var/lib/kolla/config_files/ovn_metadata_agent.json:/var/lib/kolla/config_files/config.json:ro --volume /var/lib/config-data/puppet-generated/neutron:/var/lib/kolla/config_files/src:ro --volume /lib/modules:/lib/modules:ro --volume /run/openvswitch:/run/openvswitch:shared,z --volume /var/lib/neutron:/var/lib/neutron:shared,z --volume /run/netns:/run/netns:shared --volume /var/lib/neutron/kill_scripts:/etc/neutron/kill_scripts:shared,z --volume /var/lib/neutron/ovn_metadata_haproxy_wrapper:/usr/local/bin/haproxy:ro localhost/custom-neutron-metadata-agent:latest Thanks everyone! Best regards, Davorin