ubuntu20下橋接模式配置

修改網絡配置文件：

vi /etc/netplan/00-installer-config.yaml

按照下面的格式進行修改

network:
  ethernets:
    enp2s0f0:
      addresses: []
      dhcp4: true
  version: 2
  bridges:
    br0:
        interfaces: [enp2s0f0]
        dhcp4: no
        addresses: [192.168.123.100/24]
        gateway4: 192.168.123.1