- `dns_server_list` ([]string) - Network interface-specific DNS server settings for Windows operating systems. Ignored on Linux and possibly other operating systems - for those systems, please see the [global DNS settings](#global-dns-settings) section. - `dns_domain` (string) - Network interface-specific DNS search domain for Windows operating systems. Ignored on Linux and possibly other operating systems - for those systems, please see the [global DNS settings](#global-dns-settings) section. - `ipv4_address` (string) - The IPv4 address assigned to this network adapter. If left blank or not included, DHCP is used. - `ipv4_netmask` (int) - The IPv4 subnet mask, in bits (example: 24 for 255.255.255.0). - `ipv6_address` (string) - The IPv6 address assigned to this network adapter. If left blank or not included, auto-configuration is used. - `ipv6_netmask` (int) - The IPv6 subnet mask, in bits (example: 32).