我最近在我的 fedora34 机器上安装了一个新的 10gbe 网卡。它显示正确，但无法建立连接。我在交换机上尝试了不同的电缆和端口（适用于不同的设备），因此问题很可能出在我的机器上。
如果配置：
enp37s0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
ether 80:61:5f:0c:72:64 txqueuelen 1000 (Ethernet)
RX packets 129 bytes 17375 (16.9 KiB)
RX errors 9 dropped 39 overruns 0 frame 9
TX packets 1473 bytes 235023 (229.5 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
nmcli 开发状态
DEVICE TYPE STATE CONNECTION
enp37s0 ethernet unavailable --
纳米线连接
NAME UUID TYPE DEVICE
Wired connection 2 e3056570-ccd2-35d3-9d71-70fb91568d4a ethernet --
并dmesg包含大量这样的日志行：
[77823.422096] ixgbe 0000:25:00.0 enp37s0: NIC Link is Up 10 Gbps, Flow Control: RX/TX
[77823.422780] ixgbe 0000:25:00.0 enp37s0: NIC Link is Down
[78353.098269] ixgbe 0000:25:00.0 enp37s0: NIC Link is Up 10 Gbps, Flow Control: RX/TX
[78353.202105] ixgbe 0000:25:00.0 enp37s0: NIC Link is Down
ethtool enp37s0
ethtool enp37s0
[sudo] password for clemens:
Settings for enp37s0:
Supported ports: [ FIBRE ]
Supported link modes: 10000baseT/Full
Supported pause frame use: Symmetric
Supports auto-negotiation: No
Supported FEC modes: Not reported
Advertised link modes: 10000baseT/Full
Advertised pause frame use: Symmetric
Advertised auto-negotiation: No
Advertised FEC modes: Not reported
Speed: Unknown!
Duplex: Unknown! (255)
Auto-negotiation: off
Port: Direct Attach Copper
PHYAD: 0
Transceiver: internal
Supports Wake-on: d
Wake-on: d
Current message level: 0x00000007 (7)
drv probe link
Link detected: no
lspci-vv
25:00.0 Ethernet controller: Intel Corporation 82599 10 Gigabit Network Connection (rev 01)
Subsystem: Device 1dcf:0317
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, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 30
IOMMU group: 14
Region 0: Memory at f0300000 (64-bit, prefetchable) [size=512K]
Region 2: I/O ports at d000 [size=32]
Region 4: Memory at f0380000 (64-bit, prefetchable) [size=16K]
Expansion ROM at fc500000 [disabled] [size=512K]
Capabilities: <access denied>
Kernel driver in use: ixgbe
Kernel modules: ixgbe
nmcli 日志
May 11 17:07:05 fedora NetworkManager[958]: <info> [1620724025.2105] device (enp37s0): carrier: link connected
May 11 17:07:05 fedora NetworkManager[958]: <info> [1620724025.2110] device (enp37s0): state change: unavailable -> disconnected (reason 'carrier-changed', sys-iface-state: 'managed')
May 11 17:07:05 fedora NetworkManager[958]: <info> [1620724025.2181] policy: auto-activating connection 'Wired connection 2' (e3056570-ccd2-35d3-9d71-70fb91568d4a)
May 11 17:07:05 fedora NetworkManager[958]: <info> [1620724025.2186] device (enp37s0): Activation: starting connection 'Wired connection 2' (e3056570-ccd2-35d3-9d71-70fb91568d4a)
May 11 17:07:05 fedora NetworkManager[958]: <info> [1620724025.2187] device (enp37s0): state change: disconnected -> prepare (reason 'none', sys-iface-state: 'managed')
May 11 17:07:05 fedora NetworkManager[958]: <info> [1620724025.2192] device (enp37s0): state change: prepare -> config (reason 'none', sys-iface-state: 'managed')
May 11 17:07:05 fedora NetworkManager[958]: <info> [1620724025.2281] device (enp37s0): state change: config -> ip-config (reason 'none', sys-iface-state: 'managed')
May 11 17:07:05 fedora NetworkManager[958]: <info> [1620724025.2284] dhcp4 (enp37s0): activation: beginning transaction (timeout in 45 seconds)
May 11 17:07:12 fedora NetworkManager[958]: <info> [1620724032.2762] device (enp37s0): state change: ip-config -> unavailable (reason 'carrier-changed', sys-iface-state: 'managed')
May 11 17:07:12 fedora NetworkManager[958]: <info> [1620724032.2919] dhcp4 (enp37s0): canceled DHCP transaction
May 11 17:07:12 fedora NetworkManager[958]: <info> [1620724032.2920] dhcp4 (enp37s0): state changed unknown -> terminated
（一遍又一遍地重复）路由器接收 DHCP 请求并分配 IP 地址，我在路由器端找不到任何其他日志，并且那里没有错误/警告（运行 openwrt）
到目前为止，谷歌尚未找到有关此特定问题的任何信息。如何启用调试日志或查找可以告诉我无法建立连接的具体原因的日志记录？