1 NETLINK_ROUTE 2 NETLINK_UNUSED 3 NETLINK_USERSOCK 4 NETLINK_FIREWALL 5 NETLINK_SOCK_DIAG 6 NETLINK_NFLOG 7 NETLINK_XFRM 8 NETLINK_SELINUX 9 NETLINK_ISCSI 10 NETLINK_AUDIT 11 NETLINK_FIB_LOOKUP 12 NETLINK_CONNECTOR 13 NETLINK_NETFILTER 14 NETLINK_IP6_FW 15 NETLINK_DNRTMSG 16 NETLINK_KOBJECT_UEVENT 17 NETLINK_GENERIC 18 NETLINK_SCSITRANSPORT 19 NETLINK_ECRYPTFS 20 NETLINK_RDMA 21 NETLINK_CRYPTO 22