RTM_GETLINK
if (type == RTM_GETLINK - RTM_BASE)
{.msgtype = RTM_GETLINK, .doit = rtnl_getlink,
{.protocol = PF_BRIDGE, .msgtype = RTM_GETLINK,
{.protocol = RTNL_FAMILY_IPMR, .msgtype = RTM_GETLINK,
{.owner = THIS_MODULE, .protocol = PF_INET6, .msgtype = RTM_GETLINK,
{ RTM_GETLINK, NETLINK_ROUTE_SOCKET__NLMSG_READ },
.nlh.nlmsg_type = RTM_GETLINK,
.nh.nlmsg_type = RTM_GETLINK,