Josh Bleecher Snyder e055d10f5b net/tstun: rate limit "self disco out packet" logging
When this happens, it is incredibly noisy in the logs.
It accounts for about a third of all remaining
"unexpected" log lines from a recent investigation.

It's not clear that we know how to fix this,
we have a functioning workaround,
and we now have a (cheap and efficient) metric for this
that we can use for measurements.

So reduce the logging to approximately once per minute.

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
(cherry picked from commit 73beaaf36018df56e4f16144311e1a0749d35450)
2021-12-14 10:35:45 -08:00
..
2021-08-05 15:54:00 -07:00
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