type t = Mirage_protocols.ipv4_config Lwt_stream.tval connect : ?requests:Dhcp_wire.option_code list -> Network.t -> t Lwt.tconnect ?requests net attempts to use net to obtain a valid * DHCP lease containing the DHCP option codes listed in request. * If request is not specified, connect uses the default values * provided by the upstream Dhcp_client implementation, which are * a small set useful in establishing ipv4 connectivity. * connect does not time out; it will terminate on send/receive * errors or when a lease is obtained. *