Re: IPv6 default route flapping

[Martin Husemann <martin%duskware.de@localhost>]

On Tue, Apr 20, 2021 at 10:30:23AM -0400, Jan Schaumann wrote:
> RTM_MISS: Lookup failed on this address: len 200, pid 0, seq 0, errno 0, flags: 0x40<DONE>
> locks: 0 inits: 0
> sockaddrs: 0x43<DST,GATEWAY,AUTHOR>
>  fe80::caa:49ff:feaf:1815%xennet0 link#1
> 2600:1f18:400c:b800:bc3c:63cc:7e5d:1f96

This must be triggering the "unreachable"...

> got message of size 168 on Tue Apr 20 14:22:03 2021
> RTM_CHANGE: Change Metrics, Flags or Gateway: len 168, pid 0, seq 0, errno 0, flags: 0x2445<UP,HOST,DONE,LLINFO,CLONED>
> locks: 0 inits: 0
> sockaddrs: 0x3<DST,GATEWAY>
>  fe80::caa:49ff:feaf:1815%xennet0 0e:aa:49:af:18:15

... and this should make it reachable again.

I don't understand the RTM_MISS with GATEWAY flag message at all.

Martin