在 /etc/netplan/50-cloud-init.yaml 下配置静态网络：
network:
ethernets:
eth0:
dhcp4: false
addresses: [192.168.1.11/24]
optional: true
gateway4: 192.168.1.1
nameservers:
addresses: [192.168.1.1]
version: 2
配置完成后应用网络配置的时候出现以下报错：
root@k8s-master-01:~# netplan apply
** (generate:234574): WARNING **: 14:21:04.809: `gateway4` has been deprecated, use default routes instead.
See the 'Default routes' section of the documentation for more details.
** (process:234572): WARNING **: 14:21:06.172: `gateway4` has been deprecated, use default routes instead.
See the 'Default routes' section of the documentation for more details.
root@k8s-master-01:~#
报错的意思是说，gateway4 已被弃用，请改用默认路由。默认路由就是通过 routes 配置 IP。
修改网络配置如下：文章来源：https://www.toymoban.com/news/detail-676786.html
network:
ethernets:
eth0:
dhcp4: false
addresses: [192.168.1.11/24]
optional: true
routes:
- to: default
via: 192.168.1.1
nameservers:
addresses: [192.168.1.1]
version: 2
应用网络配置：文章来源地址https://www.toymoban.com/news/detail-676786.html
netplan apply
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