foo.txt

# This file is generated from information provided by the datasource.  Changes
# to it will not persist across an instance reboot.  To disable cloud-init's
# network configuration capabilities, write a file
# /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg with the following:
# network: {config: disabled}
network:
    ethernets:
        eth0:
            addresses: ["10.0.2.12/16"]
            gateway4: "10.0.0.1"
            dhcp4: false
            nameservers:
                addresses: ["8.8.8.8", "8.8.4.8"]
            optional: true
    version: 2