我使用 netplan 和 systemd-networkd 在 Ubuntu 22.04 服务器上配置 KVM 桥。桥接器可以工作，但 networkctl 在 status 中显示主界面configuring。除此之外，这会导致systemd-networkd-wait-online.我可以通过显式请求桥接接口来解决超时问题systemd-networkd-wait-online，但我的网络设置似乎仍然不“理想”。我尝试了无数的方法，但无法让主界面进入configured状态。
这是我的系统设置：
#> apt-show-versions|grep '^systemd:\|^networkd-dispatcher:\|^netplan\.io'
netplan.io:amd64/jammy-updates 0.105-0ubuntu2~22.04.3 uptodate
networkd-dispatcher:all/jammy-security 2.1-2ubuntu0.22.04.2 uptodate
systemd:amd64/jammy-updates 249.11-0ubuntu3.10 uptodate
#> networkctl list
IDX LINK TYPE OPERATIONAL SETUP
1 lo loopback carrier unmanaged
2 eno1 ether enslaved configuring
3 kvmbr0 bridge routable configured
#> networkctl status -a
● 1: lo
Link File: n/a
Network File: n/a
Type: loopback
State: carrier (unmanaged)
Online state: unknown
HW Address: 00:00:00:00:00:00
MTU: 65536
QDisc: noqueue
IPv6 Address Generation Mode: eui64
Queue Length (Tx/Rx): 1/1
Address: 127.0.0.1
::1
Activation Policy: up
Required For Online: yes
Oct 03 11:56:41 hyades systemd-networkd[1201]: lo: Link UP
Oct 03 11:56:41 hyades systemd-networkd[1201]: lo: Gained carrier
● 2: eno1
Link File: /usr/lib/systemd/network/99-default.link
Network File: /run/systemd/network/10-netplan-eno1.network
Type: ether
State: enslaved (configuring)
Online state: unknown
Alternative Names: enp0s31f6
Path: pci-0000:00:1f.6
Driver: e1000e
Vendor: Intel Corporation
Model: Ethernet Connection (7) I219-LM
HW Address: b4:2e:99:ca:58:58 (GIGA-BYTE TECHNOLOGY CO.,LTD.)
MTU: 1500 (min: 68, max: 9000)
QDisc: pfifo_fast
Master: kvmbr0
IPv6 Address Generation Mode: none
Queue Length (Tx/Rx): 1/1
Auto negotiation: yes
Speed: 1Gbps
Duplex: full
Port: tp
DNS: 185.12.64.1
185.12.64.2
Search Domains: your-server.de
Activation Policy: up
Required For Online: no
Oct 03 11:56:42 hyades systemd-networkd[1201]: eno1: Link UP
Oct 03 11:56:45 hyades systemd-networkd[1201]: eno1: Gained carrier
Oct 03 11:56:46 hyades systemd-networkd[1201]: eno1: Lost carrier
Oct 03 11:56:46 hyades systemd-networkd[1201]: eno1: DHCPv4 connection considered critical, ignoring request to reconfigure it.
Oct 03 11:56:49 hyades systemd-networkd[1201]: eno1: Gained carrier
● 3: kvmbr0
Link File: /usr/lib/systemd/network/99-default.link
Network File: /run/systemd/network/10-netplan-kvmbr0.network
Type: bridge
State: routable (configured)
Online state: online
Driver: bridge
HW Address: b4:2e:99:ca:58:58 (GIGA-BYTE TECHNOLOGY CO.,LTD.)
MTU: 1500 (min: 68, max: 65535)
QDisc: noqueue
IPv6 Address Generation Mode: eui64
Forward Delay: 1s
Hello Time: 2s
Max Age: 12s
Ageing Time: 5min
Priority: 32768
STP: no
Multicast IGMP Version: 2
Cost: 1200
Port State: disabled
Queue Length (Tx/Rx): 1/1
Auto negotiation: no
Speed: 10Gbps
Address: 188.40.40.198
2a01:4f8:173:803::2
fe80::b62e:99ff:feca:5858
Gateway: 188.40.40.193
fe80::1
DNS: 185.12.64.1
8.8.8.8
2001:4860:4860::8888
Activation Policy: up
Required For Online: yes
DHCP6 Client DUID: DUID-EN/Vendor:0000ab1173d2e97f7594b7b60000
Oct 03 11:56:41 hyades systemd-networkd[1201]: kvmbr0: netdev ready
Oct 03 11:56:41 hyades systemd-networkd[1201]: kvmbr0: Link UP
Oct 03 11:56:45 hyades systemd-networkd[1201]: kvmbr0: Gained carrier
Oct 03 11:56:46 hyades systemd-networkd[1201]: kvmbr0: Gained IPv6LL
Oct 03 11:56:47 hyades systemd-networkd[1201]: kvmbr0: Lost carrier
Oct 03 11:56:49 hyades systemd-networkd[1201]: kvmbr0: Gained carrier
这是我的设置：
#> cat /etc/netplan/01-netcfg.yaml
network:
version: 2
renderer: networkd
ethernets:
eno1:
dhcp4: no
dhcp6: no
critical: false
optional: true
nameservers:
search: []
bridges:
kvmbr0:
macaddress: b4:2e:99:ca:58:58
interfaces: [eno1]
dhcp4: no
dhcp6: no
# The network settings can be found in robot.your-server.de by hovering
# the IP entry with the mouse. Main IP address of the server, and netmask
# in CIDR notation, where netmask 255.255.255.192 becomes /26.
addresses:
- 188.40.40.198/26
- 2a01:4f8:173:803:0000::2/64
routes:
# Default IPv4 route:
- to: default
via: 188.40.40.193
on-link: true
# Default IPv6 route:
- to: default
via: "fe80::1"
on-link: true
nameservers:
search: []
addresses:
- 185.12.64.1
- 8.8.8.8
- 2001:4860:4860::8888
parameters:
# Spanning Tree Protocol removes loops in network trees. Turn off if
# there are guaranteed no loops:
stp: false
forward-delay: 1
hello-time: 2
max-age: 12
#> cat /run/systemd/network/*
[Match]
Name=eno1
[Link]
RequiredForOnline=no
[Network]
DHCP=ipv4
LinkLocalAddressing=no
DNS=185.12.64.1
DNS=185.12.64.2
Domains=your-server.de
Bridge=kvmbr0
[DHCP]
CriticalConnection=true
ClientIdentifier=mac
RouteMetric=100
UseMTU=true
[NetDev]
Name=kvmbr0
MACAddress=b4:2e:99:ca:58:58
Kind=bridge
[Bridge]
ForwardDelaySec=1
HelloTimeSec=2
MaxAgeSec=12
STP=false
[Match]
Name=kvmbr0
[Link]
MACAddress=b4:2e:99:ca:58:58
[Network]
LinkLocalAddressing=ipv6
Address=188.40.40.198/26
Address=2a01:4f8:173:803:0000::2/64
DNS=185.12.64.1
DNS=8.8.8.8
DNS=2001:4860:4860::8888
ConfigureWithoutCarrier=yes
[Route]
Destination=0.0.0.0/0
Gateway=188.40.40.193
GatewayOnLink=true
[Route]
Destination=::/0
Gateway=fe80::1
GatewayOnLink=true
我在 中有一个后置脚本/etc/networkd-dispatcher/routable.d/50-ifup-hooks-ethtool，但删除它并没有改变任何内容：
cat /etc/networkd-dispatcher/routable.d/50-ifup-hooks-ethtool
#!/bin/sh
# Fix a problem with the e1000e ethernet card:
ethtool -K eno1 gso off gro off tso off tx off rx off || true