RTM_GETNEIGH 2553 net/core/neighbour.c __neigh_notify(n, RTM_GETNEIGH, NLM_F_REQUEST); RTM_GETNEIGH 2822 net/core/neighbour.c rtnl_register(PF_UNSPEC, RTM_GETNEIGH, NULL, neigh_dump_info); RTM_GETNEIGH 45 security/selinux/nlmsgtab.c { RTM_GETNEIGH, NETLINK_ROUTE_SOCKET__NLMSG_READ },