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brundage
Apprentice
Apprentice


Joined: 02 Dec 2004
Posts: 153

PostPosted: Sat Nov 23, 2024 10:58 pm    Post subject: Network card thrashing in new hardware Reply with quote

I recently upgraded my system. On the new hardware the Intel 82599 10 Gigabit NIC thrashes up and down every second or so. What's a good place to start diagnosing the problem?

The device is correctly identified

Code:
09:00.0 Ethernet controller: Intel Corporation 82599 10 Gigabit Network Connection (rev 01)
   Subsystem: Beijing Sinead Technology Co., Ltd. Device 0317
   Flags: bus master, fast devsel, latency 0, IRQ 24, IOMMU group 17
   Memory at fc20100000 (64-bit, prefetchable) [size=512K]
   I/O ports at d000 [size=32]
   Memory at fc20180000 (64-bit, prefetchable) [size=16K]
   Expansion ROM at 80000000 [disabled] [size=512K]
   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, IntMsgNum 0
   Capabilities: [e0] Vital Product Data
   Capabilities: [100] Advanced Error Reporting
   Capabilities: [140] Device Serial Number 98-b7-85-ff-ff-1f-f9-36
   Capabilities: [150] Alternative Routing-ID Interpretation (ARI)
   Capabilities: [160] Single Root I/O Virtualization (SR-IOV)
   Kernel driver in use: ixgbe
   Kernel modules: ixgbe


I'm using gentoo-kernel.

Code:
0 zippy /root # zgrep -i ixgbe /proc/config.gz
CONFIG_IXGBE=m
CONFIG_IXGBE_HWMON=y
CONFIG_IXGBE_DCA=y
CONFIG_IXGBE_DCB=y
CONFIG_IXGBE_IPSEC=y
CONFIG_IXGBEVF=m
CONFIG_IXGBEVF_IPSEC=y


All pci devices

Code:
0 zippy /root # lspci -v
00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 14d8
   Subsystem: ASUSTeK Computer Inc. Device 8877
   Flags: fast devsel

00:00.2 IOMMU: Advanced Micro Devices, Inc. [AMD] Device 14d9
   Subsystem: ASUSTeK Computer Inc. Device 8877
   Flags: bus master, fast devsel, latency 0, IRQ 26
   Capabilities: [40] Secure device <?>
   Capabilities: [64] MSI: Enable+ Count=1/4 Maskable- 64bit+
   Capabilities: [74] HyperTransport: MSI Mapping Enable+ Fixed+

00:01.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 14da
   Flags: fast devsel, IOMMU group 0

00:01.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Device 14db (prog-if 00 [Normal decode])
   Subsystem: ASUSTeK Computer Inc. Device 8877
   Flags: bus master, fast devsel, latency 0, IRQ 27, IOMMU group 1
   Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
   I/O behind bridge: f000-ffff [size=4K] [16-bit]
   Memory behind bridge: f4000000-f50fffff [size=17M] [32-bit]
   Prefetchable memory behind bridge: f800000000-fc01ffffff [size=16416M] [32-bit]
   Capabilities: [50] Power Management version 3
   Capabilities: [58] Express Root Port (Slot+), IntMsgNum 0
   Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
   Capabilities: [c0] Subsystem: ASUSTeK Computer Inc. Device 8877
   Capabilities: [c8] HyperTransport: MSI Mapping Enable+ Fixed+
   Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010 <?>
   Capabilities: [270] Secondary PCI Express
   Capabilities: [2a0] Access Control Services
   Capabilities: [370] L1 PM Substates
   Capabilities: [3c4] Designated Vendor-Specific: Vendor=1022 ID=0001 Rev=1 Len=44 <?>
   Capabilities: [400] Data Link Feature <?>
   Capabilities: [410] Physical Layer 16.0 GT/s <?>
   Capabilities: [440] Lane Margining at the Receiver
   Capabilities: [500] Physical Layer 32.0 GT/s <?>
   Kernel driver in use: pcieport

00:01.2 PCI bridge: Advanced Micro Devices, Inc. [AMD] Device 14db (prog-if 00 [Normal decode])
   Subsystem: ASUSTeK Computer Inc. Device 8877
   Flags: bus master, fast devsel, latency 0, IRQ 28, IOMMU group 2
   Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
   I/O behind bridge: [disabled] [32-bit]
   Memory behind bridge: f6100000-f61fffff [size=1M] [32-bit]
   Prefetchable memory behind bridge: [disabled] [64-bit]
   Capabilities: [50] Power Management version 3
   Capabilities: [58] Express Root Port (Slot+), IntMsgNum 0
   Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
   Capabilities: [c0] Subsystem: ASUSTeK Computer Inc. Device 8877
   Capabilities: [c8] HyperTransport: MSI Mapping Enable+ Fixed+
   Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010 <?>
   Capabilities: [270] Secondary PCI Express
   Capabilities: [2a0] Access Control Services
   Capabilities: [370] L1 PM Substates
   Capabilities: [3c4] Designated Vendor-Specific: Vendor=1022 ID=0001 Rev=1 Len=44 <?>
   Capabilities: [400] Data Link Feature <?>
   Capabilities: [410] Physical Layer 16.0 GT/s <?>
   Capabilities: [440] Lane Margining at the Receiver
   Capabilities: [500] Physical Layer 32.0 GT/s <?>
   Kernel driver in use: pcieport

00:02.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 14da
   Flags: fast devsel, IOMMU group 3

00:02.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Device 14db (prog-if 00 [Normal decode])
   Subsystem: ASUSTeK Computer Inc. Device 8877
   Flags: bus master, fast devsel, latency 0, IRQ 29, IOMMU group 4
   Bus: primary=00, secondary=03, subordinate=10, sec-latency=0
   I/O behind bridge: c000-dfff [size=8K] [16-bit]
   Memory behind bridge: 80000000-807fffff [size=8M] [32-bit]
   Prefetchable memory behind bridge: fc20000000-fc201fffff [size=2M] [32-bit]
   Capabilities: [50] Power Management version 3
   Capabilities: [58] Express Root Port (Slot+), IntMsgNum 0
   Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
   Capabilities: [c0] Subsystem: ASUSTeK Computer Inc. Device 8877
   Capabilities: [c8] HyperTransport: MSI Mapping Enable+ Fixed+
   Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010 <?>
   Capabilities: [270] Secondary PCI Express
   Capabilities: [2a0] Access Control Services
   Capabilities: [370] L1 PM Substates
   Capabilities: [3c4] Designated Vendor-Specific: Vendor=1022 ID=0001 Rev=1 Len=44 <?>
   Capabilities: [400] Data Link Feature <?>
   Capabilities: [410] Physical Layer 16.0 GT/s <?>
   Capabilities: [440] Lane Margining at the Receiver
   Capabilities: [500] Physical Layer 32.0 GT/s <?>
   Kernel driver in use: pcieport

00:03.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 14da
   Flags: fast devsel, IOMMU group 5

00:04.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 14da
   Flags: fast devsel, IOMMU group 6

00:08.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 14da
   Flags: fast devsel, IOMMU group 7

00:08.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Device 14dd (prog-if 00 [Normal decode])
   Subsystem: ASUSTeK Computer Inc. Device 8877
   Flags: bus master, fast devsel, latency 0, IRQ 30, IOMMU group 8
   Bus: primary=00, secondary=11, subordinate=11, sec-latency=0
   I/O behind bridge: e000-efff [size=4K] [16-bit]
   Memory behind bridge: f5200000-f57fffff [size=6M] [32-bit]
   Prefetchable memory behind bridge: fc10000000-fc1fffffff [size=256M] [32-bit]
   Capabilities: [50] Power Management version 3
   Capabilities: [58] Express Root Port (Slot-), IntMsgNum 0
   Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
   Capabilities: [c0] Subsystem: ASUSTeK Computer Inc. Device 8877
   Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010 <?>
   Capabilities: [270] Secondary PCI Express
   Capabilities: [2a0] Access Control Services
   Capabilities: [400] Data Link Feature <?>
   Capabilities: [410] Physical Layer 16.0 GT/s <?>
   Capabilities: [450] Lane Margining at the Receiver
   Kernel driver in use: pcieport

00:08.3 PCI bridge: Advanced Micro Devices, Inc. [AMD] Device 14dd (prog-if 00 [Normal decode])
   Subsystem: ASUSTeK Computer Inc. Device 8877
   Flags: bus master, fast devsel, latency 0, IRQ 31, IOMMU group 9
   Bus: primary=00, secondary=12, subordinate=12, sec-latency=0
   I/O behind bridge: [disabled] [32-bit]
   Memory behind bridge: f6000000-f60fffff [size=1M] [32-bit]
   Prefetchable memory behind bridge: [disabled] [64-bit]
   Capabilities: [50] Power Management version 3
   Capabilities: [58] Express Root Port (Slot-), IntMsgNum 0
   Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
   Capabilities: [c0] Subsystem: ASUSTeK Computer Inc. Device 8877
   Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010 <?>
   Capabilities: [270] Secondary PCI Express
   Capabilities: [2a0] Access Control Services
   Capabilities: [400] Data Link Feature <?>
   Capabilities: [410] Physical Layer 16.0 GT/s <?>
   Capabilities: [450] Lane Margining at the Receiver
   Kernel driver in use: pcieport

00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD] FCH SMBus Controller (rev 71)
   Subsystem: ASUSTeK Computer Inc. Device 8877
   Flags: 66MHz, medium devsel, IOMMU group 10
   Kernel driver in use: piix4_smbus
   Kernel modules: i2c_piix4, sp5100_tco

00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD] FCH LPC Bridge (rev 51)
   Subsystem: ASUSTeK Computer Inc. Device 8877
   Flags: bus master, 66MHz, medium devsel, latency 0, IOMMU group 10

00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 14e0
   Flags: fast devsel, IOMMU group 11

00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 14e1
   Flags: fast devsel, IOMMU group 11

00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 14e2
   Flags: fast devsel, IOMMU group 11

00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 14e3
   Flags: fast devsel, IOMMU group 11
   Kernel driver in use: k10temp
   Kernel modules: k10temp

00:18.4 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 14e4
   Flags: fast devsel, IOMMU group 11

00:18.5 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 14e5
   Flags: fast devsel, IOMMU group 11

00:18.6 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 14e6
   Flags: fast devsel, IOMMU group 11

00:18.7 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 14e7
   Flags: fast devsel, IOMMU group 11

01:00.0 VGA compatible controller: NVIDIA Corporation AD104 [GeForce RTX 4070 SUPER] (rev a1) (prog-if 00 [VGA controller])
   Subsystem: Micro-Star International Co., Ltd. [MSI] Device 5137
   Flags: bus master, fast devsel, latency 0, IRQ 135, IOMMU group 12
   Memory at f4000000 (32-bit, non-prefetchable) [size=16M]
   Memory at f800000000 (64-bit, prefetchable) [size=16G]
   Memory at fc00000000 (64-bit, prefetchable) [size=32M]
   I/O ports at f000 [size=128]
   Expansion ROM at f5000000 [virtual] [disabled] [size=512K]
   Capabilities: [60] Power Management version 3
   Capabilities: [68] MSI: Enable+ Count=1/1 Maskable- 64bit+
   Capabilities: [78] Express Legacy Endpoint, IntMsgNum 0
   Capabilities: [b4] Vendor Specific Information: Len=14 <?>
   Capabilities: [100] Virtual Channel
   Capabilities: [250] Latency Tolerance Reporting
   Capabilities: [258] L1 PM Substates
   Capabilities: [128] Power Budgeting <?>
   Capabilities: [420] Advanced Error Reporting
   Capabilities: [600] Vendor Specific Information: ID=0001 Rev=1 Len=024 <?>
   Capabilities: [900] Secondary PCI Express
   Capabilities: [bb0] Physical Resizable BAR
   Capabilities: [c1c] Physical Layer 16.0 GT/s <?>
   Capabilities: [d00] Lane Margining at the Receiver
   Capabilities: [e00] Data Link Feature <?>
   Kernel driver in use: nvidia
   Kernel modules: nouveau, nvidia_drm, nvidia

01:00.1 Audio device: NVIDIA Corporation AD104 High Definition Audio Controller (rev a1)
   Subsystem: Micro-Star International Co., Ltd. [MSI] Device 5137
   Flags: bus master, fast devsel, latency 0, IRQ 115, IOMMU group 12
   Memory at f5080000 (32-bit, non-prefetchable) [size=16K]
   Capabilities: [60] Power Management version 3
   Capabilities: [68] MSI: Enable- Count=1/1 Maskable- 64bit+
   Capabilities: [78] Express Endpoint, IntMsgNum 0
   Capabilities: [100] Advanced Error Reporting
   Capabilities: [160] Data Link Feature <?>
   Kernel driver in use: snd_hda_intel
   Kernel modules: snd_hda_intel

02:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd NVMe SSD Controller PM9C1a (DRAM-less) (prog-if 02 [NVM Express])
   Subsystem: Samsung Electronics Co Ltd Device a801
   Flags: bus master, fast devsel, latency 0, IRQ 87, IOMMU group 13
   Memory at f6100000 (64-bit, non-prefetchable) [size=16K]
   Capabilities: [40] Power Management version 3
   Capabilities: [50] MSI: Enable- Count=1/16 Maskable- 64bit+
   Capabilities: [70] Express Endpoint, IntMsgNum 0
   Capabilities: [b0] MSI-X: Enable+ Count=17 Masked-
   Capabilities: [100] Advanced Error Reporting
   Capabilities: [168] Secondary PCI Express
   Capabilities: [188] Physical Layer 16.0 GT/s <?>
   Capabilities: [1ac] Lane Margining at the Receiver
   Capabilities: [1c4] Physical Layer 32.0 GT/s <?>
   Capabilities: [1e8] Latency Tolerance Reporting
   Capabilities: [1f0] L1 PM Substates
   Capabilities: [374] Data Link Feature <?>
   Kernel driver in use: nvme
   Kernel modules: nvme

03:00.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] 600 Series Chipset PCIe Switch Upstream Port (rev 01) (prog-if 00 [Normal decode])
   Subsystem: ASMedia Technology Inc. Device 3328
   Flags: bus master, fast devsel, latency 0, IRQ 24, IOMMU group 14
   Bus: primary=03, secondary=04, subordinate=10, sec-latency=0
   I/O behind bridge: c000-dfff [size=8K] [16-bit]
   Memory behind bridge: 80000000-807fffff [size=8M] [32-bit]
   Prefetchable memory behind bridge: fc20000000-fc201fffff [size=2M] [32-bit]
   Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit+
   Capabilities: [70] Power Management version 3
   Capabilities: [80] Express Upstream Port, IntMsgNum 0
   Capabilities: [c0] Subsystem: ASMedia Technology Inc. Device 3328
   Capabilities: [100] Advanced Error Reporting
   Capabilities: [160] Latency Tolerance Reporting
   Capabilities: [1c0] Secondary PCI Express
   Capabilities: [200] L1 PM Substates
   Capabilities: [220] Data Link Feature <?>
   Capabilities: [240] Physical Layer 16.0 GT/s <?>
   Capabilities: [280] Lane Margining at the Receiver
   Kernel driver in use: pcieport

04:00.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] 600 Series Chipset PCIe Switch Downstream Port (rev 01) (prog-if 00 [Normal decode])
   Subsystem: ASMedia Technology Inc. Device 3328
   Flags: bus master, fast devsel, latency 0, IRQ 32, IOMMU group 15
   Bus: primary=04, secondary=05, subordinate=05, sec-latency=0
   I/O behind bridge: [disabled] [32-bit]
   Memory behind bridge: [disabled] [32-bit]
   Prefetchable memory behind bridge: [disabled] [64-bit]
   Capabilities: [50] MSI: Enable+ Count=1/1 Maskable- 64bit+
   Capabilities: [70] Power Management version 3
   Capabilities: [80] Express Downstream Port (Slot+), IntMsgNum 0
   Capabilities: [c0] Subsystem: ASMedia Technology Inc. Device 3328
   Capabilities: [100] Advanced Error Reporting
   Capabilities: [1c0] Secondary PCI Express
   Capabilities: [200] L1 PM Substates
   Capabilities: [220] Data Link Feature <?>
   Capabilities: [240] Physical Layer 16.0 GT/s <?>
   Capabilities: [280] Lane Margining at the Receiver
   Kernel driver in use: pcieport

04:04.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] 600 Series Chipset PCIe Switch Downstream Port (rev 01) (prog-if 00 [Normal decode])
   Subsystem: ASMedia Technology Inc. Device 3328
   Flags: bus master, fast devsel, latency 0, IRQ 33, IOMMU group 16
   Bus: primary=04, secondary=06, subordinate=06, sec-latency=0
   I/O behind bridge: [disabled] [32-bit]
   Memory behind bridge: [disabled] [32-bit]
   Prefetchable memory behind bridge: [disabled] [64-bit]
   Capabilities: [50] MSI: Enable+ Count=1/1 Maskable- 64bit+
   Capabilities: [70] Power Management version 3
   Capabilities: [80] Express Downstream Port (Slot+), IntMsgNum 0
   Capabilities: [c0] Subsystem: ASMedia Technology Inc. Device 3328
   Capabilities: [100] Advanced Error Reporting
   Capabilities: [1c0] Secondary PCI Express
   Capabilities: [200] L1 PM Substates
   Capabilities: [220] Data Link Feature <?>
   Capabilities: [240] Physical Layer 16.0 GT/s <?>
   Capabilities: [280] Lane Margining at the Receiver
   Kernel driver in use: pcieport

04:08.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] 600 Series Chipset PCIe Switch Downstream Port (rev 01) (prog-if 00 [Normal decode])
   Subsystem: ASMedia Technology Inc. Device 3328
   Flags: bus master, fast devsel, latency 0, IRQ 34, IOMMU group 17
   Bus: primary=04, secondary=07, subordinate=0e, sec-latency=0
   I/O behind bridge: c000-dfff [size=8K] [16-bit]
   Memory behind bridge: 80000000-805fffff [size=6M] [32-bit]
   Prefetchable memory behind bridge: fc20000000-fc201fffff [size=2M] [32-bit]
   Capabilities: [50] MSI: Enable+ Count=1/1 Maskable- 64bit+
   Capabilities: [70] Power Management version 3
   Capabilities: [80] Express Downstream Port (Slot+), IntMsgNum 0
   Capabilities: [c0] Subsystem: ASMedia Technology Inc. Device 3328
   Capabilities: [100] Advanced Error Reporting
   Capabilities: [1c0] Secondary PCI Express
   Capabilities: [200] L1 PM Substates
   Capabilities: [220] Data Link Feature <?>
   Capabilities: [240] Physical Layer 16.0 GT/s <?>
   Capabilities: [280] Lane Margining at the Receiver
   Kernel driver in use: pcieport

04:0c.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] 600 Series Chipset PCIe Switch Downstream Port (rev 01) (prog-if 00 [Normal decode])
   Subsystem: ASMedia Technology Inc. Device 3328
   Flags: bus master, fast devsel, latency 0, IRQ 24, IOMMU group 18
   Bus: primary=04, secondary=0f, subordinate=0f, sec-latency=0
   I/O behind bridge: [disabled] [16-bit]
   Memory behind bridge: 80600000-806fffff [size=1M] [32-bit]
   Prefetchable memory behind bridge: [disabled] [64-bit]
   Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit+
   Capabilities: [70] Power Management version 3
   Capabilities: [80] Express Downstream Port (Slot-), IntMsgNum 0
   Capabilities: [c0] Subsystem: ASMedia Technology Inc. Device 3328
   Capabilities: [100] Advanced Error Reporting
   Kernel driver in use: pcieport

04:0d.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] 600 Series Chipset PCIe Switch Downstream Port (rev 01) (prog-if 00 [Normal decode])
   Subsystem: ASMedia Technology Inc. Device 3328
   Flags: bus master, fast devsel, latency 0, IRQ 35, IOMMU group 19
   Bus: primary=04, secondary=10, subordinate=10, sec-latency=0
   I/O behind bridge: [disabled] [16-bit]
   Memory behind bridge: 80700000-807fffff [size=1M] [32-bit]
   Prefetchable memory behind bridge: [disabled] [64-bit]
   Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit+
   Capabilities: [70] Power Management version 3
   Capabilities: [80] Express Downstream Port (Slot-), IntMsgNum 0
   Capabilities: [c0] Subsystem: ASMedia Technology Inc. Device 3328
   Capabilities: [100] Advanced Error Reporting
   Kernel driver in use: pcieport

07:00.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] 600 Series Chipset PCIe Switch Upstream Port (rev 01) (prog-if 00 [Normal decode])
   Subsystem: ASMedia Technology Inc. Device 3328
   Flags: bus master, fast devsel, latency 0, IRQ 24, IOMMU group 17
   Bus: primary=07, secondary=08, subordinate=0e, sec-latency=0
   I/O behind bridge: c000-dfff [size=8K] [16-bit]
   Memory behind bridge: 80000000-805fffff [size=6M] [32-bit]
   Prefetchable memory behind bridge: fc20000000-fc201fffff [size=2M] [32-bit]
   Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit+
   Capabilities: [70] Power Management version 3
   Capabilities: [80] Express Upstream Port, IntMsgNum 0
   Capabilities: [c0] Subsystem: ASMedia Technology Inc. Device 3328
   Capabilities: [100] Advanced Error Reporting
   Capabilities: [160] Latency Tolerance Reporting
   Capabilities: [1c0] Secondary PCI Express
   Capabilities: [200] L1 PM Substates
   Capabilities: [220] Data Link Feature <?>
   Capabilities: [240] Physical Layer 16.0 GT/s <?>
   Capabilities: [280] Lane Margining at the Receiver
   Kernel driver in use: pcieport

08:00.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] 600 Series Chipset PCIe Switch Downstream Port (rev 01) (prog-if 00 [Normal decode])
   Subsystem: ASMedia Technology Inc. Device 3328
   Flags: bus master, fast devsel, latency 0, IRQ 36, IOMMU group 17
   Bus: primary=08, secondary=09, subordinate=09, sec-latency=0
   I/O behind bridge: d000-dfff [size=4K] [16-bit]
   Memory behind bridge: 80000000-800fffff [size=1M] [32-bit]
   Prefetchable memory behind bridge: fc20100000-fc201fffff [size=1M] [32-bit]
   Capabilities: [50] MSI: Enable+ Count=1/1 Maskable- 64bit+
   Capabilities: [70] Power Management version 3
   Capabilities: [80] Express Downstream Port (Slot+), IntMsgNum 0
   Capabilities: [c0] Subsystem: ASMedia Technology Inc. Device 3328
   Capabilities: [100] Advanced Error Reporting
   Capabilities: [1c0] Secondary PCI Express
   Capabilities: [200] L1 PM Substates
   Capabilities: [220] Data Link Feature <?>
   Capabilities: [240] Physical Layer 16.0 GT/s <?>
   Capabilities: [280] Lane Margining at the Receiver
   Kernel driver in use: pcieport

08:04.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] 600 Series Chipset PCIe Switch Downstream Port (rev 01) (prog-if 00 [Normal decode])
   Subsystem: ASMedia Technology Inc. Device 3328
   Flags: bus master, fast devsel, latency 0, IRQ 37, IOMMU group 17
   Bus: primary=08, secondary=0a, subordinate=0a, sec-latency=0
   I/O behind bridge: c000-cfff [size=4K] [16-bit]
   Memory behind bridge: 80100000-801fffff [size=1M] [32-bit]
   Prefetchable memory behind bridge: [disabled] [64-bit]
   Capabilities: [50] MSI: Enable+ Count=1/1 Maskable- 64bit+
   Capabilities: [70] Power Management version 3
   Capabilities: [80] Express Downstream Port (Slot+), IntMsgNum 0
   Capabilities: [c0] Subsystem: ASMedia Technology Inc. Device 3328
   Capabilities: [100] Advanced Error Reporting
   Capabilities: [1c0] Secondary PCI Express
   Capabilities: [200] L1 PM Substates
   Capabilities: [220] Data Link Feature <?>
   Capabilities: [240] Physical Layer 16.0 GT/s <?>
   Capabilities: [280] Lane Margining at the Receiver
   Kernel driver in use: pcieport

08:05.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] 600 Series Chipset PCIe Switch Downstream Port (rev 01) (prog-if 00 [Normal decode])
   Subsystem: ASMedia Technology Inc. Device 3328
   Flags: bus master, fast devsel, latency 0, IRQ 38, IOMMU group 17
   Bus: primary=08, secondary=0b, subordinate=0b, sec-latency=0
   I/O behind bridge: [disabled] [32-bit]
   Memory behind bridge: 80200000-802fffff [size=1M] [32-bit]
   Prefetchable memory behind bridge: fc20000000-fc200fffff [size=1M] [32-bit]
   Capabilities: [50] MSI: Enable+ Count=1/1 Maskable- 64bit+
   Capabilities: [70] Power Management version 3
   Capabilities: [80] Express Downstream Port (Slot+), IntMsgNum 0
   Capabilities: [c0] Subsystem: ASMedia Technology Inc. Device 3328
   Capabilities: [100] Advanced Error Reporting
   Capabilities: [1c0] Secondary PCI Express
   Capabilities: [200] L1 PM Substates
   Capabilities: [220] Data Link Feature <?>
   Capabilities: [240] Physical Layer 16.0 GT/s <?>
   Capabilities: [280] Lane Margining at the Receiver
   Kernel driver in use: pcieport

08:08.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] 600 Series Chipset PCIe Switch Downstream Port (rev 01) (prog-if 00 [Normal decode])
   Subsystem: ASMedia Technology Inc. Device 3328
   Flags: bus master, fast devsel, latency 0, IRQ 39, IOMMU group 17
   Bus: primary=08, secondary=0c, subordinate=0c, sec-latency=0
   I/O behind bridge: [disabled] [32-bit]
   Memory behind bridge: 80300000-803fffff [size=1M] [32-bit]
   Prefetchable memory behind bridge: [disabled] [64-bit]
   Capabilities: [50] MSI: Enable+ Count=1/1 Maskable- 64bit+
   Capabilities: [70] Power Management version 3
   Capabilities: [80] Express Downstream Port (Slot+), IntMsgNum 0
   Capabilities: [c0] Subsystem: ASMedia Technology Inc. Device 3328
   Capabilities: [100] Advanced Error Reporting
   Capabilities: [1c0] Secondary PCI Express
   Capabilities: [200] L1 PM Substates
   Capabilities: [220] Data Link Feature <?>
   Capabilities: [240] Physical Layer 16.0 GT/s <?>
   Capabilities: [280] Lane Margining at the Receiver
   Kernel driver in use: pcieport

08:0c.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] 600 Series Chipset PCIe Switch Downstream Port (rev 01) (prog-if 00 [Normal decode])
   Subsystem: ASMedia Technology Inc. Device 3328
   Flags: bus master, fast devsel, latency 0, IRQ 24, IOMMU group 17
   Bus: primary=08, secondary=0d, subordinate=0d, sec-latency=0
   I/O behind bridge: [disabled] [16-bit]
   Memory behind bridge: 80400000-804fffff [size=1M] [32-bit]
   Prefetchable memory behind bridge: [disabled] [64-bit]
   Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit+
   Capabilities: [70] Power Management version 3
   Capabilities: [80] Express Downstream Port (Slot-), IntMsgNum 0
   Capabilities: [c0] Subsystem: ASMedia Technology Inc. Device 3328
   Capabilities: [100] Advanced Error Reporting
   Kernel driver in use: pcieport

08:0d.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] 600 Series Chipset PCIe Switch Downstream Port (rev 01) (prog-if 00 [Normal decode])
   Subsystem: ASMedia Technology Inc. Device 3328
   Flags: bus master, fast devsel, latency 0, IRQ 35, IOMMU group 17
   Bus: primary=08, secondary=0e, subordinate=0e, sec-latency=0
   I/O behind bridge: [disabled] [16-bit]
   Memory behind bridge: 80500000-805fffff [size=1M] [32-bit]
   Prefetchable memory behind bridge: [disabled] [64-bit]
   Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit+
   Capabilities: [70] Power Management version 3
   Capabilities: [80] Express Downstream Port (Slot-), IntMsgNum 0
   Capabilities: [c0] Subsystem: ASMedia Technology Inc. Device 3328
   Capabilities: [100] Advanced Error Reporting
   Kernel driver in use: pcieport

09:00.0 Ethernet controller: Intel Corporation 82599 10 Gigabit Network Connection (rev 01)
   Subsystem: Beijing Sinead Technology Co., Ltd. Device 0317
   Flags: bus master, fast devsel, latency 0, IRQ 24, IOMMU group 17
   Memory at fc20100000 (64-bit, prefetchable) [size=512K]
   I/O ports at d000 [size=32]
   Memory at fc20180000 (64-bit, prefetchable) [size=16K]
   Expansion ROM at 80000000 [disabled] [size=512K]
   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, IntMsgNum 0
   Capabilities: [e0] Vital Product Data
   Capabilities: [100] Advanced Error Reporting
   Capabilities: [140] Device Serial Number 98-b7-85-ff-ff-1f-f9-36
   Capabilities: [150] Alternative Routing-ID Interpretation (ARI)
   Capabilities: [160] Single Root I/O Virtualization (SR-IOV)
   Kernel driver in use: ixgbe
   Kernel modules: ixgbe

0a:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8125 2.5GbE Controller (rev 05)
   DeviceName: Realtek RTL8125BG LAN
   Subsystem: ASUSTeK Computer Inc. Device 87d7
   Flags: bus master, fast devsel, latency 0, IRQ 24, IOMMU group 17
   I/O ports at c000 [size=256]
   Memory at 80100000 (64-bit, non-prefetchable) [size=64K]
   Memory at 80110000 (64-bit, non-prefetchable) [size=16K]
   Capabilities: [40] Power Management version 3
   Capabilities: [50] MSI: Enable- Count=1/1 Maskable+ 64bit+
   Capabilities: [70] Express Endpoint, IntMsgNum 1
   Capabilities: [b0] MSI-X: Enable+ Count=32 Masked-
   Capabilities: [d0] Vital Product Data
   Capabilities: [100] Advanced Error Reporting
   Capabilities: [148] Virtual Channel
   Capabilities: [168] Device Serial Number 01-00-00-00-68-4c-e0-00
   Capabilities: [178] Transaction Processing Hints
   Capabilities: [204] Latency Tolerance Reporting
   Capabilities: [20c] L1 PM Substates
   Capabilities: [21c] Vendor Specific Information: ID=0002 Rev=4 Len=100 <?>
   Kernel driver in use: r8169
   Kernel modules: r8169

0b:00.0 Network controller: MEDIATEK Corp. MT7922 802.11ax PCI Express Wireless Network Adapter
   Subsystem: Foxconn International, Inc. Device e0cd
   Flags: bus master, fast devsel, latency 0, IRQ 119, IOMMU group 17
   Memory at fc20000000 (64-bit, prefetchable) [size=1M]
   Memory at 80200000 (64-bit, non-prefetchable) [size=32K]
   Capabilities: [80] Express Endpoint, IntMsgNum 0
   Capabilities: [e0] MSI: Enable+ Count=1/32 Maskable+ 64bit+
   Capabilities: [f8] Power Management version 3
   Capabilities: [100] Vendor Specific Information: ID=1556 Rev=1 Len=008 <?>
   Capabilities: [108] Latency Tolerance Reporting
   Capabilities: [110] L1 PM Substates
   Capabilities: [200] Advanced Error Reporting
   Kernel driver in use: mt7921e
   Kernel modules: mt7921e

0c:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd NVMe SSD Controller PM9C1a (DRAM-less) (prog-if 02 [NVM Express])
   Subsystem: Samsung Electronics Co Ltd Device a801
   Flags: bus master, fast devsel, latency 0, IRQ 24, IOMMU group 17
   Memory at 80300000 (64-bit, non-prefetchable) [size=16K]
   Capabilities: [40] Power Management version 3
   Capabilities: [50] MSI: Enable- Count=1/16 Maskable- 64bit+
   Capabilities: [70] Express Endpoint, IntMsgNum 0
   Capabilities: [b0] MSI-X: Enable+ Count=17 Masked-
   Capabilities: [100] Advanced Error Reporting
   Capabilities: [168] Secondary PCI Express
   Capabilities: [188] Physical Layer 16.0 GT/s <?>
   Capabilities: [1ac] Lane Margining at the Receiver
   Capabilities: [1c4] Physical Layer 32.0 GT/s <?>
   Capabilities: [1e8] Latency Tolerance Reporting
   Capabilities: [1f0] L1 PM Substates
   Capabilities: [374] Data Link Feature <?>
   Kernel driver in use: nvme
   Kernel modules: nvme

0d:00.0 USB controller: Advanced Micro Devices, Inc. [AMD] 600 Series Chipset USB 3.2 Controller (rev 01) (prog-if 30 [XHCI])
   Subsystem: ASMedia Technology Inc. Device 1142
   Flags: bus master, fast devsel, latency 0, IRQ 24, IOMMU group 17
   Memory at 80400000 (64-bit, non-prefetchable) [size=32K]
   Capabilities: [50] MSI: Enable- Count=1/8 Maskable- 64bit+
   Capabilities: [68] MSI-X: Enable+ Count=8 Masked-
   Capabilities: [78] Power Management version 3
   Capabilities: [80] Express Legacy Endpoint, IntMsgNum 0
   Capabilities: [100] Advanced Error Reporting
   Capabilities: [160] Latency Tolerance Reporting
   Kernel driver in use: xhci_hcd

0e:00.0 SATA controller: Advanced Micro Devices, Inc. [AMD] 600 Series Chipset SATA Controller (rev 01) (prog-if 01 [AHCI 1.0])
   Subsystem: ASMedia Technology Inc. Device 1062
   Flags: bus master, fast devsel, latency 0, IRQ 40, IOMMU group 17
   Memory at 80580000 (32-bit, non-prefetchable) [size=1K]
   Expansion ROM at 80500000 [disabled] [size=512K]
   Capabilities: [50] MSI: Enable+ Count=1/1 Maskable- 64bit+
   Capabilities: [70] Power Management version 3
   Capabilities: [80] Express Legacy Endpoint, IntMsgNum 0
   Capabilities: [100] Advanced Error Reporting
   Kernel driver in use: ahci

0f:00.0 USB controller: Advanced Micro Devices, Inc. [AMD] 600 Series Chipset USB 3.2 Controller (rev 01) (prog-if 30 [XHCI])
   Subsystem: ASMedia Technology Inc. Device 1142
   Flags: bus master, fast devsel, latency 0, IRQ 24, IOMMU group 18
   Memory at 80600000 (64-bit, non-prefetchable) [size=32K]
   Capabilities: [50] MSI: Enable- Count=1/8 Maskable- 64bit+
   Capabilities: [68] MSI-X: Enable+ Count=8 Masked-
   Capabilities: [78] Power Management version 3
   Capabilities: [80] Express Legacy Endpoint, IntMsgNum 0
   Capabilities: [100] Advanced Error Reporting
   Capabilities: [160] Latency Tolerance Reporting
   Kernel driver in use: xhci_hcd

10:00.0 SATA controller: Advanced Micro Devices, Inc. [AMD] 600 Series Chipset SATA Controller (rev 01) (prog-if 01 [AHCI 1.0])
   Subsystem: ASMedia Technology Inc. Device 1062
   Flags: bus master, fast devsel, latency 0, IRQ 41, IOMMU group 19
   Memory at 80780000 (32-bit, non-prefetchable) [size=1K]
   Expansion ROM at 80700000 [disabled] [size=512K]
   Capabilities: [50] MSI: Enable+ Count=1/1 Maskable- 64bit+
   Capabilities: [70] Power Management version 3
   Capabilities: [80] Express Legacy Endpoint, IntMsgNum 0
   Capabilities: [100] Advanced Error Reporting
   Kernel driver in use: ahci

11:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Device 13c0 (rev c6) (prog-if 00 [VGA controller])
   Subsystem: ASUSTeK Computer Inc. Device 8877
   Flags: bus master, fast devsel, latency 0, IRQ 67, IOMMU group 20
   Memory at fc10000000 (64-bit, prefetchable) [size=256M]
   Memory at f5200000 (64-bit, prefetchable) [size=2M]
   I/O ports at e000 [size=256]
   Memory at f5700000 (32-bit, non-prefetchable) [size=512K]
   Capabilities: [48] Vendor Specific Information: Len=08 <?>
   Capabilities: [50] Power Management version 3
   Capabilities: [64] Express Legacy Endpoint, IntMsgNum 0
   Capabilities: [a0] MSI: Enable- Count=1/4 Maskable- 64bit+
   Capabilities: [c0] MSI-X: Enable+ Count=4 Masked-
   Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010 <?>
   Capabilities: [270] Secondary PCI Express
   Capabilities: [2a0] Access Control Services
   Capabilities: [2b0] Address Translation Service (ATS)
   Capabilities: [2c0] Page Request Interface (PRI)
   Capabilities: [2d0] Process Address Space ID (PASID)
   Capabilities: [410] Physical Layer 16.0 GT/s <?>
   Capabilities: [450] Lane Margining at the Receiver
   Kernel driver in use: amdgpu
   Kernel modules: amdgpu

11:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Rembrandt Radeon High Definition Audio Controller
   Subsystem: ASUSTeK Computer Inc. Device 8877
   Flags: bus master, fast devsel, latency 0, IRQ 117, IOMMU group 21
   Memory at f5788000 (32-bit, non-prefetchable) [size=16K]
   Capabilities: [48] Vendor Specific Information: Len=08 <?>
   Capabilities: [50] Power Management version 3
   Capabilities: [64] Express Legacy Endpoint, IntMsgNum 0
   Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
   Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010 <?>
   Capabilities: [2a0] Access Control Services
   Kernel driver in use: snd_hda_intel
   Kernel modules: snd_hda_intel

11:00.2 Encryption controller: Advanced Micro Devices, Inc. [AMD] Family 19h PSP/CCP
   Subsystem: ASUSTeK Computer Inc. Device 8877
   Flags: bus master, fast devsel, latency 0, IRQ 84, IOMMU group 22
   Memory at f5600000 (32-bit, non-prefetchable) [size=1M]
   Memory at f578c000 (32-bit, non-prefetchable) [size=8K]
   Capabilities: [48] Vendor Specific Information: Len=08 <?>
   Capabilities: [50] Power Management version 3
   Capabilities: [64] Express Endpoint, IntMsgNum 0
   Capabilities: [a0] MSI: Enable- Count=1/2 Maskable- 64bit+
   Capabilities: [c0] MSI-X: Enable+ Count=2 Masked-
   Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010 <?>
   Capabilities: [2a0] Access Control Services
   Kernel driver in use: ccp
   Kernel modules: ccp

11:00.3 USB controller: Advanced Micro Devices, Inc. [AMD] Device 15b6 (prog-if 30 [XHCI])
   Subsystem: ASUSTeK Computer Inc. Device 8877
   Flags: fast devsel, IRQ 58, IOMMU group 23
   Memory at f5500000 (64-bit, non-prefetchable) [size=1M]
   Capabilities: [48] Vendor Specific Information: Len=08 <?>
   Capabilities: [50] Power Management version 3
   Capabilities: [64] Express Endpoint, IntMsgNum 0
   Capabilities: [a0] MSI: Enable- Count=1/8 Maskable- 64bit+
   Capabilities: [c0] MSI-X: Enable+ Count=8 Masked-
   Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010 <?>
   Capabilities: [2a0] Access Control Services
   Kernel driver in use: xhci_hcd

11:00.4 USB controller: Advanced Micro Devices, Inc. [AMD] Device 15b7 (prog-if 30 [XHCI])
   Subsystem: ASUSTeK Computer Inc. Device 8877
   Flags: bus master, fast devsel, latency 0, IRQ 67, IOMMU group 24
   Memory at f5400000 (64-bit, non-prefetchable) [size=1M]
   Capabilities: [48] Vendor Specific Information: Len=08 <?>
   Capabilities: [50] Power Management version 3
   Capabilities: [64] Express Endpoint, IntMsgNum 0
   Capabilities: [a0] MSI: Enable- Count=1/8 Maskable- 64bit+
   Capabilities: [c0] MSI-X: Enable+ Count=8 Masked-
   Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010 <?>
   Capabilities: [2a0] Access Control Services
   Kernel driver in use: xhci_hcd

11:00.6 Audio device: Advanced Micro Devices, Inc. [AMD] Family 17h/19h HD Audio Controller
   DeviceName: Realtek ALC1220X Audio
   Subsystem: ASUSTeK Computer Inc. Device 886d
   Flags: bus master, fast devsel, latency 0, IRQ 118, IOMMU group 25
   Memory at f5780000 (32-bit, non-prefetchable) [size=32K]
   Capabilities: [48] Vendor Specific Information: Len=08 <?>
   Capabilities: [50] Power Management version 3
   Capabilities: [64] Express Endpoint, IntMsgNum 0
   Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
   Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010 <?>
   Capabilities: [2a0] Access Control Services
   Kernel driver in use: snd_hda_intel
   Kernel modules: snd_hda_intel

12:00.0 USB controller: Advanced Micro Devices, Inc. [AMD] Device 15b8 (prog-if 30 [XHCI])
   Subsystem: ASUSTeK Computer Inc. Device 8877
   Flags: fast devsel, IRQ 24, IOMMU group 26
   Memory at f6000000 (64-bit, non-prefetchable) [size=1M]
   Capabilities: [48] Vendor Specific Information: Len=08 <?>
   Capabilities: [50] Power Management version 3
   Capabilities: [64] Express Endpoint, IntMsgNum 0
   Capabilities: [a0] MSI: Enable- Count=1/8 Maskable- 64bit+
   Capabilities: [c0] MSI-X: Enable+ Count=8 Masked-
   Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010 <?>
   Capabilities: [270] Secondary PCI Express
   Capabilities: [2a0] Access Control Services
   Capabilities: [410] Physical Layer 16.0 GT/s <?>
   Capabilities: [450] Lane Margining at the Receiver
   Kernel driver in use: xhci_hcd

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pjp
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PostPosted: Sat Nov 23, 2024 11:28 pm    Post subject: Reply with quote

Logs would be the first place to look

I've only seen it when there was a network configuration issue.

Link flap is a condition where a communications link alternates between up and down states.[1] Link flap can be caused by end station reboots, power-saving features, incorrect duplex configuration or marginal connections, and signal integrity issues on the link.

https://en.wikipedia.org/wiki/Link_flap

I believe I've seen it with the mentioned duplex mismatch and also when multiple NICs had the same IP.
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PostPosted: Sun Nov 24, 2024 2:42 am    Post subject: Reply with quote

pjp wrote:
Logs would be the first place to look

I've only seen it when there was a network configuration issue.

Link flap is a condition where a communications link alternates between up and down states.[1] Link flap can be caused by end station reboots, power-saving features, incorrect duplex configuration or marginal connections, and signal integrity issues on the link.

https://en.wikipedia.org/wiki/Link_flap

I believe I've seen it with the mentioned duplex mismatch and also when multiple NICs had the same IP.


Logs don't show much except "it's up" "it's down" "it's up" "it's down"

Code:
Nov 23 20:37:07 zippy kernel: ixgbe 0000:09:00.0 enp9s0: NIC Link is Down
Nov 23 20:37:07 zippy dhcpcd[1015]: enp9s0: carrier lost
Nov 23 20:37:07 zippy systemd-networkd[792]: enp9s0: Lost carrier
Nov 23 20:37:07 zippy dhcpcd[1015]: enp9s0: deleting address fe80::3847:29d2:f3f2:c9dc
Nov 23 20:37:07 zippy dhcpcd[1015]: enp9s0: deleting route to 10.0.0.0/24
Nov 23 20:37:07 zippy dhcpcd[1015]: enp9s0: deleting default route via 10.0.0.1
Nov 23 20:37:09 zippy dhcpcd[1015]: enp9s0: carrier acquired
Nov 23 20:37:09 zippy systemd-networkd[792]: enp9s0: Gained carrier
Nov 23 20:37:09 zippy kernel: ixgbe 0000:09:00.0 enp9s0: NIC Link is Up 10 Gbps, Flow Control: RX/TX
Nov 23 20:37:09 zippy dhcpcd[1015]: enp9s0: IAID 85:1f:f9:36
Nov 23 20:37:09 zippy dhcpcd[1015]: enp9s0: adding address fe80::3847:29d2:f3f2:c9dc
Nov 23 20:37:11 zippy dhcpcd[1015]: enp9s0: rebinding lease of 10.0.0.50
Nov 23 20:37:11 zippy dhcpcd[1015]: enp9s0: probing address 10.0.0.50/24
Nov 23 20:37:11 zippy systemd-networkd[792]: enp9s0: Gained IPv6LL
Nov 23 20:37:12 zippy dhcpcd[1015]: enp9s0: soliciting an IPv6 router
Nov 23 20:37:15 zippy dhcpcd[1015]: enp9s0: leased 10.0.0.50 for 7200 seconds
Nov 23 20:37:15 zippy dhcpcd[1015]: enp9s0: adding route to 10.0.0.0/24
Nov 23 20:37:15 zippy dhcpcd[1015]: enp9s0: adding default route via 10.0.0.1
Nov 23 20:37:15 zippy systemd-resolved[1003]: enp9s0: Bus client set DNS server list to: 10.0.0.240, 10.0.0.241
Nov 23 20:37:15 zippy systemd-resolved[1003]: enp9s0: Bus client set search domain list to: internal, internal, deanandadie.net
Nov 23 20:37:24 zippy dhcpcd[1015]: enp9s0: no IPv6 Routers available
Nov 23 20:37:24 zippy kernel: ixgbe 0000:09:00.0: removed PHC on enp9s0


I haven't made any other changes to the network hardware - just took the card out of one system and put it in a new one.
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