新版本在ubuntu系统已经使用yml 文件方式配置了，配置位置： /etc/netplan/00-installer-config.yaml

# This is the network config written by 'subiquity'

network:

  ethernets:

    eno1np0:

      dhcp4:  no

      addresses: 

              - 192.168.1.234/24

              - 192.168.0.234/24

    eno2np1:

      dhcp4: no

      addresses: [192.168.8.234/24]

      routes:

        - to: default

          via: 192.168.8.1

      nameservers:

        addresses: [223.5.5.5,114.144.114.144]

  version: 2