NETLINK_CONNECTOR
MODULE_ALIAS_NET_PF_PROTO(PF_NETLINK, NETLINK_CONNECTOR);
dev->nls = netlink_kernel_create(&init_net, NETLINK_CONNECTOR, &cfg);
s = socket(PF_NETLINK, SOCK_DGRAM, NETLINK_CONNECTOR);
case NETLINK_CONNECTOR:
nl_sock = socket(PF_NETLINK, SOCK_DGRAM, NETLINK_CONNECTOR);