lspci -v 01:00.0 Ethernet controller: Intel Corporation 82599EB 10 Gigabit Dual Port Backplane Connection (rev 01) Subsystem: Kontron Device 0130 Flags: bus master, fast devsel, latency 0, IRQ 16 Memory at df220000 (64-bit, non-prefetchable) [size=128K] I/O ports at e020 [size=32] Memory at df244000 (64-bit, non-prefetchable) [size=16K] Capabilities: [40] Power Management version 3 Capabilities: [50] MSI: Enable- Count=1/1 Maskable+ 64bit+ Capabilities: [70] MSI-X: Enable+ Count=64 Masked- Capabilities: [a0] Express Endpoint, MSI 00 Capabilities: [e0] Vital Product Data Capabilities: [100] Advanced Error Reporting Capabilities: [140] Device Serial Number 00-a0-a5-ff-ff-96-27-cd Capabilities: [150] Alternative Routing-ID Interpretation (ARI) Capabilities: [160] Single Root I/O Virtualization (SR-IOV) Kernel driver in use: ixgbe 01:00.1 Ethernet controller: Intel Corporation 82599EB 10 Gigabit Dual Port Backplane Connection (rev 01) Subsystem: Kontron Device 0130 Flags: bus master, fast devsel, latency 0, IRQ 17 Memory at df200000 (64-bit, non-prefetchable) [size=128K] I/O ports at e000 [size=32] Memory at df240000 (64-bit, non-prefetchable) [size=16K] Capabilities: [40] Power Management version 3 Capabilities: [50] MSI: Enable- Count=1/1 Maskable+ 64bit+ Capabilities: [70] MSI-X: Enable+ Count=64 Masked- Capabilities: [a0] Express Endpoint, MSI 00 Capabilities: [e0] Vital Product Data Capabilities: [100] Advanced Error Reporting Capabilities: [140] Device Serial Number 00-a0-a5-ff-ff-96-27-cd Capabilities: [150] Alternative Routing-ID Interpretation (ARI) Capabilities: [160] Single Root I/O Virtualization (SR-IOV) Kernel driver in use: ixgbe 04:00.0 Ethernet controller: Intel Corporation I210 Gigabit Backplane Connection (rev 03) Subsystem: Kontron Device 0130 Flags: bus master, fast devsel, latency 0, IRQ 17 Memory at df080000 (32-bit, non-prefetchable) [size=512K] I/O ports at d000 [size=32] Memory at df100000 (32-bit, non-prefetchable) [size=16K] Expansion ROM at df000000 [disabled] [size=512K] Capabilities: [40] Power Management version 3 Capabilities: [50] MSI: Enable- Count=1/1 Maskable+ 64bit+ Capabilities: [70] MSI-X: Enable+ Count=5 Masked- Capabilities: [a0] Express Endpoint, MSI 00 Capabilities: [100] Advanced Error Reporting Capabilities: [140] Device Serial Number 00-a0-a5-ff-ff-96-27-cc Capabilities: [1a0] Transaction Processing Hints Kernel driver in use: igb