network:
    version: 2
    renderer: NetworkManager/ networkd
    ethernets:
       DEVICE_NAME:
          dhcp4: no
          addresses: 192.168.30.50/24
          gateway: 192.168.30.249
          nameservers:
             addresses: [192.168.30.10,192.168.30.249]
       DEVICE_NAME2:
	  ...