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e1000e 设备反复丢失 dhcp 租约

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e1000e 设备反复丢失 dhcp 租约

我有一台 M70q 迷你电脑，它使用 e1000e 设备驱动程序进行以太网连接。每当我尝试将文件通过 ftp 传输到计算机时，它就会丢失其 IP 地址。它会重新获得 IP 地址，但只能保留几分钟，然后就会一次又一次地丢失。从我在网上看到的情况来看，“丢失的载体”通常是物理连接的问题，尽管我已经多次更换了以太网电缆并切换了路由器端口。

我正在使用 Ubuntu 22.04

Netplan 配置：

# This is the network config written by 'subiquity'
network:
  version: 2
  ethernets:
    eno2:
      addresses:
          - 192.168.12.185/24
      routes:
        - to: default
          via: 192.168.12.1
      mtu: 9000

Ifconfig 接口统计：

eno2: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 9000
    inet 192.168.12.185  netmask 255.255.255.0  broadcast 192.168.12.255
    inet6 fe80::6e24:8ff:fe14:73ab  prefixlen 64  scopeid 0x20<link>
    inet6 2607:fb91:3f2e:1161:6e24:8ff:fe14:73ab  prefixlen 64  scopeid 0x0<global>
    inet6 2607:fb91:3f2e:1161:107d:5739:0:22e  prefixlen 128  scopeid 0x0<global>
    ether 6c:24:08:14:73:ab  txqueuelen 1000  (Ethernet)
    RX packets 3866534  bytes 4333695123 (4.3 GB)
    RX errors 0  dropped 7  overruns 0  frame 0
    TX packets 4863702  bytes 3497649374 (3.4 GB)
    TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
    device interrupt 16  memory 0xb1200000-b1220000

系统日志输出：

systemd-networkd[891]: eno2: Lost carrier
kernel: [352082.226632] e1000e 0000:00:1f.6 eno2: NIC Link is Down
systemd-networkd[891]: eno2: DHCPv6 lease lost
systemd-timesyncd[852]: No network connectivity, watching for changes.
kernel: [352084.981150] e1000e 0000:00:1f.6 eno2: NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
systemd-networkd[891]: eno2: Gained carrier
systemd-timesyncd[852]: Network configuration changed, trying to establish connection.
systemd-timesyncd[852]: Timed out waiting for reply from 91.189.94.4:123 (ntp.ubuntu.com).
systemd-timesyncd[852]: Initial synchronization to time server 185.125.190.57:123 (ntp.ubuntu.com).
systemd-networkd[891]: eno2: DHCPv6 address 2607:fb91:3f2e:1161:107d:5739:0:22e/128 (valid for 1d, preferred for 1d)

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