Description of problem: unbind ice driver and bind to vfio-pci then add this nic to ovs bridge failed. Version-Release number of selected component (if applicable): dpdk-tools-20.11-3.el8.x86_64 dpdk-20.11-3.el8.x86_64 openvswitch2.13-2.13.0-180.el8fdp.x86_64 openvswitch-selinux-extra-policy-1.0-29.el8fdp.noarch kernel version:4.18.0-305.el8.x86_64 # ethtool -i ens1f1 driver: ice version: 4.18.0-305.el8.x86_64 firmware-version: 3.00 0x80008944 20.5.13 expansion-rom-version: bus-info: 0000:3b:00.0 supports-statistics: yes supports-test: yes supports-eeprom-access: yes supports-register-dump: yes supports-priv-flags: yes # lspci -s 0000:3b:00.0 -vvv 3b:00.0 Ethernet controller: Intel Corporation Ethernet Controller E810-XXV for SFP (rev 02) Subsystem: Intel Corporation Ethernet 25G 2P E810-XXV Adapter Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+ Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0 Interrupt: pin A routed to IRQ 160 NUMA node: 0 IOMMU group: 60 Region 0: Memory at ae000000 (64-bit, prefetchable) [size=32M] Region 3: Memory at b2010000 (64-bit, prefetchable) [size=64K] Expansion ROM at ab000000 [disabled] [size=1M] Capabilities: [40] Power Management version 3 Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-) Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=1 PME- Capabilities: [50] MSI: Enable- Count=1/1 Maskable+ 64bit+ Address: 0000000000000000 Data: 0000 Masking: 00000000 Pending: 00000000 Capabilities: [70] MSI-X: Enable+ Count=1024 Masked- Vector table: BAR=3 offset=00000000 PBA: BAR=3 offset=00008000 Capabilities: [a0] Express (v2) Endpoint, MSI 00 DevCap: MaxPayload 512 bytes, PhantFunc 0, Latency L0s <512ns, L1 <64us ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset+ SlotPowerLimit 0.000W DevCtl: CorrErr- NonFatalErr+ FatalErr+ UnsupReq+ RlxdOrd+ ExtTag+ PhantFunc- AuxPwr- NoSnoop- FLReset- MaxPayload 256 bytes, MaxReadReq 512 bytes DevSta: CorrErr+ NonFatalErr- FatalErr- UnsupReq+ AuxPwr+ TransPend- LnkCap: Port #0, Speed 16GT/s, Width x8, ASPM not supported ClockPM- Surprise- LLActRep- BwNot- ASPMOptComp+ LnkCtl: ASPM Disabled; RCB 64 bytes, Disabled- CommClk+ ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- LnkSta: Speed 8GT/s (downgraded), Width x8 (ok) TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt- DevCap2: Completion Timeout: Range AB, TimeoutDis+ NROPrPrP- LTR- 10BitTagComp+ 10BitTagReq- OBFF Not Supported, ExtFmt+ EETLPPrefix+, MaxEETLPPrefixes 1 EmergencyPowerReduction Not Supported, EmergencyPowerReductionInit- FRS- TPHComp- ExtTPHComp- AtomicOpsCap: 32bit- 64bit- 128bitCAS- DevCtl2: Completion Timeout: 65ms to 210ms, TimeoutDis- LTR- OBFF Disabled, AtomicOpsCtl: ReqEn- LnkCap2: Supported Link Speeds: 2.5-16GT/s, Crosslink- Retimer+ 2Retimers+ DRS- LnkCtl2: Target Link Speed: 16GT/s, EnterCompliance- SpeedDis- Transmit Margin: Normal Operating Range, EnterModifiedCompliance- ComplianceSOS- Compliance De-emphasis: -6dB LnkSta2: Current De-emphasis Level: -3.5dB, EqualizationComplete+ EqualizationPhase1+ EqualizationPhase2+ EqualizationPhase3+ LinkEqualizationRequest- Retimer- 2Retimers- CrosslinkRes: unsupported Capabilities: [e0] Vital Product Data Product Name: E810-XXV 25GbE Controller Read-only fields: [V0] Vendor specific: FFV20.5.13\x00 [PN] Part number: 6J1N1 [MN] Manufacture ID: 1028 [V1] Vendor specific: DSV1028VPDR.VER2.2 [V3] Vendor specific: DTINIC [V4] Vendor specific: DCM1001FFFFFF2101FFFFFF [V5] Vendor specific: NPY2 [V6] Vendor specific: PMTD [V7] Vendor specific: NMVIntel Corp [V8] Vendor specific: L1D0 [V9] Vendor specific: LNK084 [RV] Reserved: checksum good, 1 byte(s) reserved Read/write fields: [Y1] System specific: CCF1 End Capabilities: [100 v2] Advanced Error Reporting UESta: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol- UEMsk: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt+ RxOF- MalfTLP- ECRC- UnsupReq- ACSViol- UESvrt: DLP+ SDES- TLP+ FCP+ CmpltTO+ CmpltAbrt+ UnxCmplt- RxOF+ MalfTLP+ ECRC+ UnsupReq- ACSViol- CESta: RxErr- BadTLP- BadDLLP- Rollover- Timeout- AdvNonFatalErr+ CEMsk: RxErr+ BadTLP+ BadDLLP+ Rollover+ Timeout+ AdvNonFatalErr+ AERCap: First Error Pointer: 00, ECRCGenCap+ ECRCGenEn+ ECRCChkCap+ ECRCChkEn+ MultHdrRecCap- MultHdrRecEn- TLPPfxPres- HdrLogCap- HeaderLog: 00000000 00000000 00000000 00000000 Capabilities: [148 v1] Alternative Routing-ID Interpretation (ARI) ARICap: MFVC- ACS-, Next Function: 1 ARICtl: MFVC- ACS-, Function Group: 0 Capabilities: [150 v1] Device Serial Number b4-96-91-ff-ff-b9-2b-52 Capabilities: [160 v1] Single Root I/O Virtualization (SR-IOV) IOVCap: Migration-, Interrupt Message Number: 000 IOVCtl: Enable- Migration- Interrupt- MSE- ARIHierarchy+ IOVSta: Migration- Initial VFs: 128, Total VFs: 128, Number of VFs: 0, Function Dependency Link: 00 VF offset: 8, stride: 1, Device ID: 1889 Supported Page Size: 00000553, System Page Size: 00000001 Region 0: Memory at 00000000b1000000 (64-bit, prefetchable) Region 3: Memory at 00000000b2220000 (64-bit, prefetchable) VF Migration: offset: 00000000, BIR: 0 Capabilities: [1a0 v1] Transaction Processing Hints Device specific mode supported No steering table available Capabilities: [1b0 v1] Access Control Services ACSCap: SrcValid- TransBlk- ReqRedir- CmpltRedir- UpstreamFwd- EgressCtrl- DirectTrans- ACSCtl: SrcValid- TransBlk- ReqRedir- CmpltRedir- UpstreamFwd- EgressCtrl- DirectTrans- Capabilities: [1d0 v1] Secondary PCI Express LnkCtl3: LnkEquIntrruptEn- PerformEqu- LaneErrStat: 0 Capabilities: [200 v1] Data Link Feature <?> Capabilities: [210 v1] Physical Layer 16.0 GT/s <?> Capabilities: [250 v1] Lane Margining at the Receiver <?> Kernel driver in use: ice Kernel modules: ice How reproducible: 100% Steps to Reproduce: 1.enable intel_iommu and cpu isolation to cmdline. # cat /proc/cmdline BOOT_IMAGE=(hd0,msdos1)/vmlinuz-4.18.0-305.el8.x86_64 root=/dev/mapper/rhel_dell--per740--77-root ro pci=realloc crashkernel=auto resume=/dev/mapper/rhel_dell--per740--77-swap rd.lvm.lv=rhel_dell-per740-77/root rd.lvm.lv=rhel_dell-per740-77/swap console=ttyS0,115200n81 isolcpus=managed_irq,domain,2,4,6,8,10,12,14,16,18,20,22,26,28,30,32,34,36,38,40,42,44,46 nosoftlockup tsc=nowatchdog nohz=on nohz_full=2,4,6,8,10,12,14,16,18,20,22,26,28,30,32,34,36,38,40,42,44,46 rcu_nocbs=2,4,6,8,10,12,14,16,18,20,22,26,28,30,32,34,36,38,40,42,44,46 default_hugepagesz=1G hugepagesz=1G hugepages=24 intel_iommu=on iommu=pt intel_idle.max_cstate=0 processor.max_cstate=0 intel_pstate=disable skew_tick=1 2. unbind ice driver and bind to vfio-pci # modprobe vfio # modprobe vfio-pci # dpdk-devbind.py -b vfio-pci 0000:3b:00.0 # dpdk-devbind.py --status Network devices using DPDK-compatible driver ============================================ 0000:3b:00.0 'Ethernet Controller E810-XXV for SFP 159b' drv=vfio-pci unused=ice Network devices using kernel driver =================================== 0000:18:00.0 'NetXtreme BCM5720 2-port Gigabit Ethernet PCIe 165f' if=eno1 drv=tg3 unused=vfio-pci *Active* 0000:18:00.1 'NetXtreme BCM5720 2-port Gigabit Ethernet PCIe 165f' if=eno2 drv=tg3 unused=vfio-pci 0000:19:00.0 'NetXtreme BCM5720 2-port Gigabit Ethernet PCIe 165f' if=eno3 drv=tg3 unused=vfio-pci 0000:19:00.1 'NetXtreme BCM5720 2-port Gigabit Ethernet PCIe 165f' if=eno4 drv=tg3 unused=vfio-pci 0000:3b:00.1 'Ethernet Controller E810-XXV for SFP 159b' if=ens1f1 drv=ice unused=vfio-pci 0000:5e:00.0 'Ethernet Controller XXV710 for 25GbE SFP28 158b' if=ens2f0 drv=i40e unused=vfio-pci 0000:5e:00.1 'Ethernet Controller XXV710 for 25GbE SFP28 158b' if=ens2f1 drv=i40e unused=vfio-pci No 'Baseband' devices detected ============================== No 'Crypto' devices detected ============================ No 'Eventdev' devices detected ============================== No 'Mempool' devices detected ============================= No 'Compress' devices detected ============================== No 'Misc (rawdev)' devices detected =================================== No 'Regex' devices detected =========================== 3. init openvswitch and add test nic to ovs bridge ovs-vsctl set Open_vSwitch . other_config={} ovs-vsctl set Open_vSwitch . other_config:dpdk-socket-mem=4096 ovs-vsctl set Open_vSwitch . other_config:pmd-cpu-mask=550000550000 ovs-vsctl set Open_vSwitch . other_config:dpdk-lcore-mask=0x1 ovs-vsctl set Open_vSwitch . other_config:vhost-iommu-support=true ovs-vsctl set Open_vSwitch . other_config:userspace-tso-enable=false ovs-vsctl set Open_vSwitch . other_config:dpdk-init=true ovs-vsctl --if-exists del-br ovsbr0 ovs-vsctl --may-exist add-br ovsbr0 ovs-vsctl --if-exists del-port ovsbr0 dpdk0 ovs-vsctl add-port ovsbr0 dpdk0 -- set Interface dpdk0 type=dpdk options:dpdk-devargs=0000:3b:00.0 options:n_rxq=1 options:n_rxq_desc=1024 options:n_txq_desc=1024 mtu_request=9120 Actual results: on the step3, add dpdk0 port failed. ovs-vsctl: Error detected while setting up 'dpdk0': Error attaching device '0000:3b:00.0' to DPDK. See ovs-vswitchd log for details. ovs-vsctl: The default log directory is "/var/log/openvswitch". Expected results: on the step3, add dpdk0 port as well Additional info: openvswitch log 2022-05-06T10:30:10.082Z|00088|bridge|INFO|bridge ovsbr0: deleted interface ovsbr0 on port 65534 2022-05-06T10:44:18.762Z|00001|vlog|INFO|opened log file /var/log/openvswitch/ovs-vswitchd.log 2022-05-06T10:44:18.865Z|00002|ovs_numa|INFO|Discovered 24 CPU cores on NUMA node 0 2022-05-06T10:44:18.865Z|00003|ovs_numa|INFO|Discovered 24 CPU cores on NUMA node 1 2022-05-06T10:44:18.865Z|00004|ovs_numa|INFO|Discovered 2 NUMA nodes and 48 CPU cores 2022-05-06T10:44:18.865Z|00005|reconnect|INFO|unix:/var/run/openvswitch/db.sock: connecting... 2022-05-06T10:44:18.865Z|00006|reconnect|INFO|unix:/var/run/openvswitch/db.sock: connected 2022-05-06T10:44:18.868Z|00007|dpdk|INFO|DPDK Disabled - Use other_config:dpdk-init to enable 2022-05-06T10:44:18.876Z|00008|bridge|INFO|ovs-vswitchd (Open vSwitch) 2.13.8 2022-05-06T10:44:44.190Z|00009|memory|INFO|51680 kB peak resident set size after 25.4 seconds 2022-05-06T10:44:44.239Z|00010|dpdk|INFO|Using DPDK 19.11.7 2022-05-06T10:44:44.239Z|00011|dpdk|INFO|DPDK Enabled - initializing... 2022-05-06T10:44:44.239Z|00012|dpdk|INFO|No vhost-sock-dir provided - defaulting to /var/run/openvswitch 2022-05-06T10:44:44.239Z|00013|dpdk|INFO|IOMMU support for vhost-user-client enabled. 2022-05-06T10:44:44.239Z|00014|dpdk|INFO|POSTCOPY support for vhost-user-client disabled. 2022-05-06T10:44:44.239Z|00015|dpdk|INFO|Per port memory for DPDK devices disabled. 2022-05-06T10:44:44.239Z|00016|dpdk|INFO|EAL ARGS: ovs-vswitchd -c 0x1 --socket-mem 4096 --socket-limit 4096. 2022-05-06T10:44:44.245Z|00017|dpdk|INFO|EAL: Detected 48 lcore(s) 2022-05-06T10:44:44.245Z|00018|dpdk|INFO|EAL: Detected 2 NUMA nodes 2022-05-06T10:44:44.247Z|00019|dpdk|INFO|EAL: Multi-process socket /var/run/openvswitch/dpdk/rte/mp_socket 2022-05-06T10:44:44.280Z|00020|dpdk|INFO|EAL: rte_mem_virt2phy(): cannot open /proc/self/pagemap: Permission denied 2022-05-06T10:44:44.280Z|00021|dpdk|INFO|EAL: Selected IOVA mode 'VA' 2022-05-06T10:44:44.280Z|00022|dpdk|WARN|EAL: No available hugepages reported in hugepages-2048kB 2022-05-06T10:44:44.281Z|00023|dpdk|INFO|EAL: Probing VFIO support... 2022-05-06T10:44:44.281Z|00024|dpdk|INFO|EAL: VFIO support initialized 2022-05-06T10:44:46.020Z|00025|dpdk|INFO|EAL: PCI device 0000:5e:00.0 on NUMA socket 0 2022-05-06T10:44:46.020Z|00026|dpdk|INFO|EAL: probe driver: 8086:158b net_i40e 2022-05-06T10:44:46.020Z|00027|dpdk|INFO|EAL: PCI device 0000:5e:00.1 on NUMA socket 0 2022-05-06T10:44:46.020Z|00028|dpdk|INFO|EAL: probe driver: 8086:158b net_i40e 2022-05-06T10:44:46.022Z|00029|dpdk|INFO|DPDK Enabled - initialized 2022-05-06T10:44:46.022Z|00030|timeval|WARN|Unreasonably long 1784ms poll interval (6ms user, 1668ms system) 2022-05-06T10:44:46.022Z|00031|timeval|WARN|faults: 4913 minor, 0 major 2022-05-06T10:44:46.022Z|00032|timeval|WARN|context switches: 3 voluntary, 9 involuntary 2022-05-06T10:44:46.023Z|00033|coverage|INFO|Event coverage, avg rate over last: 5 seconds, last minute, last hour, hash=5fdd6dd7: 2022-05-06T10:44:46.023Z|00034|coverage|INFO|bridge_reconfigure 0.4/sec 0.033/sec 0.0006/sec total: 7 2022-05-06T10:44:46.023Z|00035|coverage|INFO|cmap_expand 0.6/sec 0.183/sec 0.0031/sec total: 11 2022-05-06T10:44:46.023Z|00036|coverage|INFO|miniflow_malloc 1.2/sec 0.233/sec 0.0039/sec total: 14 2022-05-06T10:44:46.023Z|00037|coverage|INFO|hmap_pathological 0.2/sec 0.017/sec 0.0003/sec total: 1 2022-05-06T10:44:46.023Z|00038|coverage|INFO|hmap_expand 19.8/sec 8.183/sec 0.1364/sec total: 675 2022-05-06T10:44:46.023Z|00039|coverage|INFO|txn_unchanged 0.6/sec 0.050/sec 0.0008/sec total: 7 2022-05-06T10:44:46.023Z|00040|coverage|INFO|txn_incomplete 0.4/sec 0.100/sec 0.0017/sec total: 12 2022-05-06T10:44:46.023Z|00041|coverage|INFO|txn_success 0.4/sec 0.033/sec 0.0006/sec total: 2 2022-05-06T10:44:46.023Z|00042|coverage|INFO|poll_create_node 6.4/sec 2.600/sec 0.0433/sec total: 411 2022-05-06T10:44:46.023Z|00043|coverage|INFO|poll_zero_timeout 0.2/sec 0.017/sec 0.0003/sec total: 1 2022-05-06T10:44:46.023Z|00044|coverage|INFO|seq_change 2.6/sec 1.083/sec 0.0181/sec total: 75 2022-05-06T10:44:46.023Z|00045|coverage|INFO|pstream_open 0.2/sec 0.017/sec 0.0003/sec total: 1 2022-05-06T10:44:46.023Z|00046|coverage|INFO|stream_open 0.2/sec 0.017/sec 0.0003/sec total: 1 2022-05-06T10:44:46.023Z|00047|coverage|INFO|util_xalloc 333.0/sec 138.750/sec 2.3125/sec total: 10730 2022-05-06T10:44:46.023Z|00048|coverage|INFO|netlink_received 2.2/sec 0.783/sec 0.0131/sec total: 47 2022-05-06T10:44:46.023Z|00049|coverage|INFO|netlink_recv_jumbo 0.4/sec 0.100/sec 0.0017/sec total: 6 2022-05-06T10:44:46.023Z|00050|coverage|INFO|netlink_sent 1.8/sec 0.750/sec 0.0125/sec total: 45 2022-05-06T10:44:46.023Z|00051|coverage|INFO|122 events never hit 2022-05-06T10:44:46.050Z|00052|ofproto_dpif|INFO|system@ovs-system: Datapath supports recirculation 2022-05-06T10:44:46.050Z|00053|ofproto_dpif|INFO|system@ovs-system: VLAN header stack length probed as 2 2022-05-06T10:44:46.051Z|00054|ofproto_dpif|INFO|system@ovs-system: MPLS label stack length probed as 3 2022-05-06T10:44:46.051Z|00055|ofproto_dpif|INFO|system@ovs-system: Datapath supports truncate action 2022-05-06T10:44:46.051Z|00056|ofproto_dpif|INFO|system@ovs-system: Datapath supports unique flow ids 2022-05-06T10:44:46.051Z|00057|ofproto_dpif|INFO|system@ovs-system: Datapath supports clone action 2022-05-06T10:44:46.051Z|00058|ofproto_dpif|INFO|system@ovs-system: Max sample nesting level probed as 10 2022-05-06T10:44:46.051Z|00059|ofproto_dpif|INFO|system@ovs-system: Datapath supports eventmask in conntrack action 2022-05-06T10:44:46.051Z|00060|ofproto_dpif|INFO|system@ovs-system: Datapath supports ct_clear action 2022-05-06T10:44:46.051Z|00061|ofproto_dpif|INFO|system@ovs-system: Max dp_hash algorithm probed to be 0 2022-05-06T10:44:46.051Z|00062|ofproto_dpif|INFO|system@ovs-system: Datapath supports check_pkt_len action 2022-05-06T10:44:46.061Z|00063|ofproto_dpif|INFO|system@ovs-system: Datapath supports timeout policy in conntrack action 2022-05-06T10:44:46.061Z|00064|ofproto_dpif|INFO|system@ovs-system: Datapath supports ct_zero_snat 2022-05-06T10:44:46.061Z|00065|ofproto_dpif|INFO|system@ovs-system: Datapath supports ct_state 2022-05-06T10:44:46.061Z|00066|ofproto_dpif|INFO|system@ovs-system: Datapath supports ct_zone 2022-05-06T10:44:46.061Z|00067|ofproto_dpif|INFO|system@ovs-system: Datapath supports ct_mark 2022-05-06T10:44:46.061Z|00068|ofproto_dpif|INFO|system@ovs-system: Datapath supports ct_label 2022-05-06T10:44:46.061Z|00069|ofproto_dpif|INFO|system@ovs-system: Datapath supports ct_state_nat 2022-05-06T10:44:46.061Z|00070|ofproto_dpif|INFO|system@ovs-system: Datapath supports ct_orig_tuple 2022-05-06T10:44:46.061Z|00071|ofproto_dpif|INFO|system@ovs-system: Datapath supports ct_orig_tuple6 2022-05-06T10:44:46.061Z|00072|ofproto_dpif|INFO|system@ovs-system: Datapath does not support IPv6 ND Extensions 2022-05-06T10:44:46.112Z|00073|bridge|INFO|bridge ovsbr0: added interface ovsbr0 on port 65534 2022-05-06T10:44:46.112Z|00074|bridge|INFO|bridge ovsbr0: using datapath ID 0000aed7f4301449 2022-05-06T10:44:46.112Z|00075|connmgr|INFO|ovsbr0: added service controller "punix:/var/run/openvswitch/ovsbr0.mgmt" 2022-05-06T10:44:47.626Z|00076|poll_loop|INFO|wakeup due to [POLLIN] on fd 24 (FIFO pipe:[22121]) at ../vswitchd/bridge.c:421 (51% CPU usage) 2022-05-06T10:44:48.127Z|00077|poll_loop|INFO|wakeup due to [POLLIN] on fd 24 (FIFO pipe:[22121]) at ../vswitchd/bridge.c:421 (51% CPU usage) 2022-05-06T10:44:48.628Z|00078|poll_loop|INFO|wakeup due to [POLLIN] on fd 24 (FIFO pipe:[22121]) at ../vswitchd/bridge.c:421 (51% CPU usage) 2022-05-06T10:44:48.858Z|00079|poll_loop|INFO|wakeup due to [POLLIN] on fd 17 (<->/var/run/openvswitch/db.sock) at ../lib/stream-fd.c:157 (51% CPU usage) 2022-05-06T10:44:48.888Z|00080|dpdk|ERR|EAL: Driver cannot attach the device (0000:3b:00.0) 2022-05-06T10:44:48.888Z|00081|dpdk|ERR|EAL: Failed to attach device on primary process 2022-05-06T10:44:48.888Z|00082|netdev_dpdk|WARN|Error attaching device '0000:3b:00.0' to DPDK 2022-05-06T10:44:48.888Z|00083|netdev|WARN|dpdk0: could not set configuration (Invalid argument) 2022-05-06T10:44:48.888Z|00084|dpdk|ERR|Invalid port_id=128 2022-05-06T10:44:48.889Z|00085|poll_loop|INFO|wakeup due to [POLLIN] on fd 24 (FIFO pipe:[22121]) at ../ofproto/ofproto-dpif.c:1950 (51% CPU usage) 2022-05-06T10:44:49.191Z|00086|poll_loop|INFO|wakeup due to 303-ms timeout at ../vswitchd/bridge.c:3132 (51% CPU usage) 2022-05-06T10:44:49.389Z|00087|poll_loop|INFO|wakeup due to [POLLIN] on fd 24 (FIFO pipe:[22121]) at ../vswitchd/bridge.c:421 (51% CPU usage) 2022-05-06T10:44:49.890Z|00088|poll_loop|INFO|wakeup due to [POLLIN] on fd 24 (FIFO pipe:[22121]) at ../vswitchd/bridge.c:421 (51% CPU usage) 2022-05-06T10:44:50.391Z|00089|poll_loop|INFO|wakeup due to [POLLIN] on fd 24 (FIFO pipe:[22121]) at ../vswitchd/bridge.c:421 (51% CPU usage) 2022-05-06T10:44:54.192Z|00090|memory|INFO|peak resident set size grew 150% in last 10.0 seconds, from 51680 kB to 129080 kB 2022-05-06T10:44:54.192Z|00091|memory|INFO|handlers:19 ports:1 revalidators:7 rules:5
https://access.redhat.com/articles/3538141 E810 nics are supported starting RHEL 8.4 / OVS 2.15.