Bug 919

Error attaching device to DPDK while adding interfaces to OVS bond on Ubuntu.

Ubuntu 20.04.3
DPDK 19.11.10
OVS 2.13.3
NICs Intel x710 (fw 7.10)

Command:

ovs-vsctl add-bond ovsbr0 bond0  ens2f0 ens2f1 ens3f0 ens3f1 \
   -- set Interface ens2f0 type=dpdk  "options:dpdk-devargs=0000:5e:00.0" \
   -- set Interface ens2f1 type=dpdk  "options:dpdk-devargs=0000:5e:00.1" \
   -- set Interface ens3f0 type=dpdk  "options:dpdk-devargs=0000:d8:00.0" \
   -- set Interface ens3f1 type=dpdk  "options:dpdk-devargs=0000:d8:00.1"

Output:

ovs-vsctl: Error detected while setting up 'ens2f0': Error attaching device '0000:5e:00.0' to DPDK.  See ovs-vswitchd log for details.
ovs-vsctl: Error detected while setting up 'ens2f1': Error attaching device '0000:5e:00.1' to DPDK.  See ovs-vswitchd log for details.
ovs-vsctl: Error detected while setting up 'ens3f0': Error attaching device '0000:d8:00.0' to DPDK.  See ovs-vswitchd log for details.
ovs-vsctl: Error detected while setting up 'ens3f1': Error attaching device '0000:d8:00.1' to DPDK.  See ovs-vswitchd log for details.
ovs-vsctl: The default log directory is "/var/log/openvswitch".

/var/log/openvswitch/ovs-vswitchd.log

2022-01-03T16:00:05.776Z|00083|dpdk|ERR|EAL: Driver cannot attach the device (0000:d8:00.1)
2022-01-03T16:00:05.776Z|00084|dpdk|ERR|EAL: Failed to attach device on primary process
2022-01-03T16:00:05.776Z|00085|netdev_dpdk|WARN|Error attaching device '0000:d8:00.1' to DPDK
2022-01-03T16:00:05.776Z|00086|netdev|WARN|ens3f1: could not set configuration (Invalid argument)
2022-01-03T16:00:05.776Z|00087|dpdk|ERR|Invalid port_id=32

VT-d support is enabled:

cat /proc/cmdline 
BOOT_IMAGE=/boot/vmlinuz-5.4.0-91-generic root=UUID=2849776f-b167-447f-a5d1-ea4b5c831c35 ro iommu=pt intel_iommu=on