VFIO group is not viable

Issue

• OpenvSwitch cannot attach to the nic interface:

2020-04-17T16:13:00.329Z|00030|dpdk|ERR|EAL: Requested device 0000:af:00.6 cannot be used
2020-04-17T16:13:00.329Z|00031|dpdk|INFO|EAL: PCI device 0000:af:00.7 on NUMA socket 1
2020-04-17T16:13:00.329Z|00032|dpdk|INFO|EAL:   probe driver: 1077:1656 net_qede
2020-04-17T16:13:00.329Z|00033|dpdk|ERR|EAL:   0000:af:00.7 VFIO group is not viable!
2020-04-17T16:13:00.329Z|00034|dpdk|ERR|EAL: Requested device 0000:af:00.7 cannot be used
2020-04-17T16:13:00.329Z|00035|dpdk|INFO|EAL: PCI device 0000:af:01.0 on NUMA socket 1
2020-04-17T16:13:00.329Z|00036|dpdk|INFO|EAL:   probe driver: 1077:1656 net_qede
2020-04-17T16:13:00.329Z|00037|dpdk|INFO|EAL: PCI device 0000:af:01.1 on NUMA socket 1
2020-04-17T16:13:00.329Z|00038|dpdk|INFO|EAL:   probe driver: 1077:1656 net_qede
[...]
2020-04-17T16:13:00.657Z|00095|dpdk|INFO|EAL: PCI device 0000:af:00.7 on NUMA socket 1
2020-04-17T16:13:00.657Z|00096|dpdk|INFO|EAL:   probe driver: 1077:1656 net_qede
2020-04-17T16:13:00.658Z|00097|dpdk|ERR|EAL:   0000:af:00.7 VFIO group is not viable!
2020-04-17T16:13:00.658Z|00098|dpdk|ERR|EAL: Driver cannot attach the device (0000:af:00.7)
2020-04-17T16:13:00.658Z|00099|dpdk|ERR|EAL: Failed to attach device on primary process

• The following nics are being used:

# cat lspci  | grep FastLinQ
af:00.0 Ethernet controller [0200]: QLogic Corp. FastLinQ QL45000 Series 25GbE Controller [1077:1656] (rev 10)
af:00.1 Ethernet controller [0200]: QLogic Corp. FastLinQ QL45000 Series 25GbE Controller [1077:1656] (rev 10)
af:00.6 Ethernet controller [0200]: QLogic Corp. FastLinQ QL45000 Series 25GbE Controller [1077:1656] (rev 10)
af:00.7 Ethernet controller [0200]: QLogic Corp. FastLinQ QL45000 Series 25GbE Controller [1077:1656] (rev 10)
af:01.0 Ethernet controller [0200]: QLogic Corp. FastLinQ QL45000 Series 25GbE Controller [1077:1656] (rev 10)
af:01.1 Ethernet controller [0200]: QLogic Corp. FastLinQ QL45000 Series 25GbE Controller [1077:1656] (rev 10)

• DPDK is failing to attach to 2 nic ports:

    Bridge "br-link0"
        Controller "tcp:127.0.0.1:6633"
            is_connected: true
        fail_mode: secure
        Port "phy-br-link0"
            Interface "phy-br-link0"
                type: patch
                options: {peer="int-br-link0"}
        Port "br-link0"
            Interface "br-link0"
                type: internal
        Port "dpdkbond0"
            Interface "dpdk1"
                type: dpdk
                options: {dpdk-devargs="0000:af:00.7", n_rxq="2"}
                error: "Error attaching device '0000:af:00.7' to DPDK"
            Interface "dpdk0"
                type: dpdk
                options: {dpdk-devargs="0000:af:00.6", n_rxq="2"}
                error: "Error attaching device '0000:af:00.6' to DPDK"