return ip6_route_del(&rtmsg, nlh, arg);
return ip6_route_del(&rtmsg, nlh, arg, &NETLINK_CB(skb));
int inet6_rtm_delroute(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg){	struct rtmsg *r = NLMSG_DATA(nlh);	struct in6_rtmsg rtmsg;	if (inet6_rtm_to_rtmsg(r, arg, &rtmsg))		return -EINVAL;	return ip6_route_del(&rtmsg, nlh, arg);}