// Initialize Arp::Arp(net::Inet<Ethernet,IP4>& inet) noexcept: requests_rx_ {Statman::get().create(Stat::UINT32, inet.ifname() + ".arp.requests_rx").get_uint32()}, requests_tx_ {Statman::get().create(Stat::UINT32, inet.ifname() + ".arp.requests_tx").get_uint32()}, replies_rx_ {Statman::get().create(Stat::UINT32, inet.ifname() + ".arp.replies_rx").get_uint32()}, replies_tx_ {Statman::get().create(Stat::UINT32, inet.ifname() + ".arp.replies_tx").get_uint32()}, inet_ {inet}, mac_ (inet.link_addr()), linklayer_out_ {ignore} {}
// Initialize Arp::Arp(net::Inet<Ethernet,IP4>& inet): inet_(inet), mac_(inet.link_addr()), ip_(inet.ip_addr()), linklayer_out_(downstream(ignore)) {}