1 NETLINK_ROUTE 0 2 NETLINK_UNUSED 1 3 NETLINK_USERSOCK 2 4 NETLINK_FIREWALL 3 5 NETLINK_SOCK_DIAG 4 6 NETLINK_NFLOG 5 7 NETLINK_XFRM 6 8 NETLINK_SELINUX 7 9 NETLINK_ISCSI 8 10 NETLINK_AUDIT 9 11 NETLINK_FIB_LOOKUP 10 12 NETLINK_CONNECTOR 11 13 NETLINK_NETFILTER 12 14 NETLINK_IP6_FW 13 15 NETLINK_DNRTMSG 14 16 NETLINK_KOBJECT_UEVENT 15 17 NETLINK_GENERIC 16 18 NETLINK_SCSITRANSPORT 18 19 NETLINK_ECRYPTFS 19 20 NETLINK_RDMA 20 21 NETLINK_CRYPTO 21 22