Symbol: IFLA_CARRIER
sys/netlink/netlink_snl_route_parsers.h
210
{ .type = IFLA_CARRIER, .off = _OUT(ifla_carrier), .cb = snl_attr_get_uint8 },
sys/netlink/route/iface.c
320
nlattr_add_u8(nw, IFLA_CARRIER, ifs.ifla_carrier);