[systemd-devel] timesyncd log messages galore

[Kevin P. Fleming]

Agreed, I run timesyncd on 20+ machines on a bunch of VLANs that are
all IPv6-enabled with RAs being used, and have not seen this symptom.

On Thu, Feb 11, 2021 at 11:23 AM Mantas Mikulėnas <grawity at gmail.com> wrote:
>
> On Thu, Feb 11, 2021 at 6:07 PM Ede Wolf <listac at nebelschwaden.de> wrote:
>>
>> Thanks. Indeed, stopping radvd made these messages stop appearing.
>> Now I am no IPv6 guru, but having routeradvertisments is not too
>> uncommon, to the best of my knowledge.
>
>
> RAs shouldn't be extremely frequent. An hour is a common interval for periodic RAs -- certainly not minutes or seconds.
>
> OTOH, I am not seeing any such messages on any of my IPv6 hosts using timesyncd. There is a burst of "network changed" messages on boot, presumably in response to bridges and tunnels being set up, but the daemon stays quiet afterwards. Currently it has recorded 1.988s total CPU usage after 12 days of uptime.
>
>>
>> So the punchline is, that timesynd is not really usable with ipv6
>> networks? Am I getting that correct?
>
>
> No, sounds more like it's just not really usable with *your* IPv6 network.
>
> --
> Mantas Mikulėnas
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