Verified with openvswitch2.13-2.13.0-6.el8fdp.x86_64:
Following steps in Description. Both ovs and qemu keep working well. And the throughput performance looks good.
Testcase: nfv_acceptance_nonrt_server_2Q_1G_iommu_packed
Packets_loss Frame_Size Run_No Throughput Avg_Throughput
0 64 0 20.950139 20.950139
Versions:
4.18.0-187.el8.x86_64
qemu-kvm-4.2.0-13.module+el8.2.0+5898+fb4bceae.x86_64
tuned-2.13.0-5.el8.noarch
python3-libvirt-6.0.0-1.module+el8.2.0+5453+31b2b136.x86_64
openvswitch2.13-2.13.0-6.el8fdp.x86_64
dpdk-19.11-4.el8.x86_64
So this bug has been fixed very well. Move to 'VERIFIED'.
This bug did not meet the criteria for automatic migration and is being closed.
If the issue remains, please open a new ticket in https://issues.redhat.com/browse/FDP