vi /etc/netplan/50-cloud-init.yaml
network:
    version: 2
    ethernets:
        enp0s3:
            dhcp4: true
            dhcp6: false
              addresses:
                  - xxx/128 #iPv6地址/128
            match:
                macaddress: 08:01:24:15:8e:e1 #一般默认就有，没有的话用ip a命令查看
            set-name: ens3
netplan apply