...
$ openstack aggregate create --property property aggregate_instance_extra_specs:sriov_nic=sriov-nic-intel-1234-5678-physnet1:1 aggr11
$ openstack aggregate create --property aggregate_instance_extra_specs:sriov_nic=sriov-nic-intel-2345-6789-physnet2:1 aggr12
...
$ openstack flavor set flavor1 --property sriovproperty aggregate_instance_extra_specs:sriov_nic=sriov-nic-intel-1234-5678-physnet1:1
$ openstack flavor set flavor1 --property aggregate_instance_extra_specs:sriov_nic=sriov-nic-intel-2345-6789-physnet2:1
Flavor2
$ openstack aggregate create --property aggregate_instance_extra_specs:sriov_nic=sriov-nic-intel-4321-8756-physnet3:1 aggr21
...
$ openstack flavor set flavor2 --property sriovproperty aggregate_instance_extra_specs:sriov_nic=sriov-nic-intel-4321-8756-physnet3:1
...