On 3/7/18 9:03 AM, Stephen Hemminger wrote:
> 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
> 

from Yuval's recent multicast convergence changes?

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