❦ 13 juin 2019 09:03 +02, michael-dev <michael-dev@fami-braun.de>:

>> Is there anything special on your setup? Lots of interface running or
>> interfaces cycling (VM)?
>
> This has happened both in virtual and non-virtual machines, some of
> them only have one interface, others have two or three.
> I also do not see spurious link up/down messages in dmesg, so
> interfaces should not have cycled.

Are there all 32bits x86 hosts?

If it happens in a few hours/days, could you run it through valgrind?
You will need to install lldpd-dbgsym (see
https://wiki.debian.org/AutomaticDebugPackages) and run the following
command:

  valgrind --leak-check=full lldpd -dd

It will use more memory than usual but when you see the memory growing a
lot, you can Ctrl-C and you'll get a report that would help to find
where the leak is.
-- 
Don't go around saying the world owes you a living.  The world owes you
nothing.  It was here first.
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