On Tue, 6 Mar 2018 17:03:54 -0800
Stephen Hemminger <step...@networkplumber.org> wrote:
> From: Stephen Hemminger <sthem...@microsoft.com>
>
> Every non-multicast route prints an error message.
> Kernel doesn't filter out unicast routes, it is up to filter function
> to do this.
>
> Signed-off-by: Stephen Hemminger <step...@networkplumber.org>
> ---
> ip/ipmroute.c | 7 +++----
> 1 file changed, 3 insertions(+), 4 deletions(-)
>
> diff --git a/ip/ipmroute.c b/ip/ipmroute.c
> index aa5029b44f41..03ca0575e571 100644
> --- a/ip/ipmroute.c
> +++ b/ip/ipmroute.c
> @@ -75,15 +75,14 @@ int print_mroute(const struct sockaddr_nl *who, struct
> nlmsghdr *n, void *arg)
> fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
> return -1;
> }
> - if (r->rtm_type != RTN_MULTICAST) {
> - fprintf(stderr, "Not a multicast route (type: %s)\n",
> - rtnl_rtntype_n2a(r->rtm_type, b1, sizeof(b1)));
> +
> + if (r->rtm_type != RTN_MULTICAST)
> return 0;
> - }
>
> parse_rtattr(tb, RTA_MAX, RTM_RTA(r), len);
> table = rtm_get_table(r, tb);
>
> +
> if (filter.tb > 0 && filter.tb != table)
> return 0;
>
Actually, this is a recent kernel regression. Should be fixed there
