Dpdk compute scale out fails with "Stderr: 'Cannot get driver information: No such device'",
Issue
When trying to scale-out a ovs-dpdk compute node with Mellanox ConnectX-4/5/6 network interfaces:
openstack overcloud deploy (...)
deployment fails while configuring dpdk port:
"[2023/01/25 03:26:53 AM] [INFO] adding ovs dpdk port: dpdk0",
...
"Stderr: 'Cannot get driver information: No such device\\n'",
...
"ERROR: os-net-config configuration failed.",
Environment
- Red Hat Openstack 13
- Red Hat Openstack 16.1.x
- Red Hat Openstack 16.2.x
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