Enthusiastic logging when interface goes away

Mike the.lists at mgm51.com
Thu Oct 4 14:24:05 UTC 2018


I use unbound as a resolver on my home network.  I've been very happy
with how well it works.  Except in one area.

Unbound seems to flood the log file when the network interface goes
away, e.g., my ISP does some maintenance in the wee hours of the morning.

The log records occur at a rate of about one THOUSAND per second.  When
there's a 15 minute outage, ... well, that's a log of log records.

Two questions:

1) Is there a configuration parameter that cools down unbound's
enthusiasm for extreme logging rates?

2) More of a curiosity - what was the use case that cause this extreme
logging rate to be coded into unbound?



What I'd prefer to see would be something along the lines of:

- a log record when the problem initially occurs
- a log record every minute or so as the problem persists
- a log record showing that the problem went away and normal operation
has returned.

For me, that'd be a lot more helpful.

Below is a very short excerpt of the log records I see in a log file:
(first column is hhmmss.milliseconds)

165518.521 error: can't bind socket: Can't assign requested address for
165518.521 error: can't bind socket: Can't assign requested address for
165518.521 error: can't bind socket: Can't assign requested address for
165518.522 error: can't bind socket: Can't assign requested address for
165518.522 error: can't bind socket: Can't assign requested address for
165518.522 error: can't bind socket: Can't assign requested address for
165518.522 error: can't bind socket: Can't assign requested address for
165518.522 error: can't bind socket: Can't assign requested address for
165518.522 error: can't bind socket: Can't assign requested address for
165518.522 error: can't bind socket: Can't assign requested address for
165518.522 error: can't bind socket: Can't assign requested address for
165518.522 error: can't bind socket: Can't assign requested address for
165518.522 error: can't bind socket: Can't assign requested address for
165518.522 error: can't bind socket: Can't assign requested address for
165518.522 error: can't bind socket: Can't assign requested address for
165518.523 error: can't bind socket: Can't assign requested address for
165518.523 error: can't bind socket: Can't assign requested address for
165518.523 error: can't bind socket: Can't assign requested address for
165518.523 error: can't bind socket: Can't assign requested address for
165518.523 error: can't bind socket: Can't assign requested address for
165518.523 error: can't bind socket: Can't assign requested address for
165518.523 error: can't bind socket: Can't assign requested address for
165518.524 error: can't bind socket: Can't assign requested address for
165518.524 error: can't bind socket: Can't assign requested address for
165518.524 error: can't bind socket: Can't assign requested address for
165518.524 error: can't bind socket: Can't assign requested address for
165518.524 error: can't bind socket: Can't assign requested address for
165518.524 error: can't bind socket: Can't assign requested address for
165518.524 error: can't bind socket: Can't assign requested address for
165518.524 error: can't bind socket: Can't assign requested address for
165518.524 error: can't bind socket: Can't assign requested address for
165518.525 error: can't bind socket: Can't assign requested address for
165518.525 error: can't bind socket: Can't assign requested address for
165518.525 error: can't bind socket: Can't assign requested address for
165518.525 error: can't bind socket: Can't assign requested address for
165518.525 error: can't bind socket: Can't assign requested address for
165518.525 error: can't bind socket: Can't assign requested address for
165518.526 error: can't bind socket: Can't assign requested address for
165518.526 error: can't bind socket: Can't assign requested address for
165518.526 error: can't bind socket: Can't assign requested address for
165518.526 error: can't bind socket: Can't assign requested address for
165518.526 error: can't bind socket: Can't assign requested address for
165518.526 error: can't bind socket: Can't assign requested address for
165518.526 error: can't bind socket: Can't assign requested address for
165518.526 error: can't bind socket: Can't assign requested address for
165518.526 error: can't bind socket: Can't assign requested address for
165518.527 error: can't bind socket: Can't assign requested address for
165518.527 error: can't bind socket: Can't assign requested address for
165518.527 error: can't bind socket: Can't assign requested address for
165518.527 error: can't bind socket: Can't assign requested address for
165518.527 error: can't bind socket: Can't assign requested address for
165518.527 error: can't bind socket: Can't assign requested address for
165518.527 error: can't bind socket: Can't assign requested address for
165518.527 error: can't bind socket: Can't assign requested address for
165518.527 error: can't bind socket: Can't assign requested address for
165518.527 error: can't bind socket: Can't assign requested address for
165518.527 error: can't bind socket: Can't assign requested address for
165518.528 error: can't bind socket: Can't assign requested address for
165518.528 error: can't bind socket: Can't assign requested address for
165518.528 error: can't bind socket: Can't assign requested address for
165518.528 error: can't bind socket: Can't assign requested address for
165518.528 error: can't bind socket: Can't assign requested address for
165518.528 error: can't bind socket: Can't assign requested address for
165518.528 error: can't bind socket: Can't assign requested address for
165518.529 error: can't bind socket: Can't assign requested address for
165518.529 error: can't bind socket: Can't assign requested address for
165518.529 error: can't bind socket: Can't assign requested address for
165518.529 error: can't bind socket: Can't assign requested address for
165518.529 error: can't bind socket: Can't assign requested address for
165518.529 error: can't bind socket: Can't assign requested address for
165518.529 error: can't bind socket: Can't assign requested address for
165518.529 error: can't bind socket: Can't assign requested address for
165518.529 error: can't bind socket: Can't assign requested address for
165518.529 error: can't bind socket: Can't assign requested address for
165518.529 error: can't bind socket: Can't assign requested address for
165518.529 error: can't bind socket: Can't assign requested address for
165518.529 error: can't bind socket: Can't assign requested address for
165518.529 error: can't bind socket: Can't assign requested address for
165518.530 error: can't bind socket: Can't assign requested address for
165518.530 error: can't bind socket: Can't assign requested address for
165518.530 error: can't bind socket: Can't assign requested address for
165518.530 error: can't bind socket: Can't assign requested address for
165518.530 error: can't bind socket: Can't assign requested address for
165518.530 error: can't bind socket: Can't assign requested address for
165518.530 error: can't bind socket: Can't assign requested address for
165518.530 error: can't bind socket: Can't assign requested address for
165518.530 error: can't bind socket: Can't assign requested address for
165518.530 error: can't bind socket: Can't assign requested address for
165518.531 error: can't bind socket: Can't assign requested address for
165518.531 error: can't bind socket: Can't assign requested address for
165518.531 error: can't bind socket: Can't assign requested address for
165518.531 error: can't bind socket: Can't assign requested address for
165518.531 error: can't bind socket: Can't assign requested address for
165518.531 error: can't bind socket: Can't assign requested address for
165518.531 error: can't bind socket: Can't assign requested address for
165518.532 error: can't bind socket: Can't assign requested address for
165518.532 error: can't bind socket: Can't assign requested address for
165518.532 error: can't bind socket: Can't assign requested address for
165518.532 error: can't bind socket: Can't assign requested address for
165518.532 error: can't bind socket: Can't assign requested address for
165518.532 error: can't bind socket: Can't assign requested address for
165518.532 error: can't bind socket: Can't assign requested address for
165518.532 error: can't bind socket: Can't assign requested address for
165518.532 error: can't bind socket: Can't assign requested address for
165518.532 error: can't bind socket: Can't assign requested address for
165518.533 error: can't bind socket: Can't assign requested address for
165518.533 error: can't bind socket: Can't assign requested address for
165518.533 error: can't bind socket: Can't assign requested address for
165518.533 error: can't bind socket: Can't assign requested address for
165518.533 error: can't bind socket: Can't assign requested address for
165518.533 error: can't bind socket: Can't assign requested address for
165518.533 error: can't bind socket: Can't assign requested address for
165518.533 error: can't bind socket: Can't assign requested address for
165518.533 error: can't bind socket: Can't assign requested address for
165518.534 error: can't bind socket: Can't assign requested address for
165518.534 error: can't bind socket: Can't assign requested address for
165518.534 error: can't bind socket: Can't assign requested address for
165518.534 error: can't bind socket: Can't assign requested address for
165518.534 error: can't bind socket: Can't assign requested address for
165518.534 error: can't bind socket: Can't assign requested address for
165518.534 error: can't bind socket: Can't assign requested address for
165518.534 error: can't bind socket: Can't assign requested address for
165518.535 error: can't bind socket: Can't assign requested address for
165518.535 error: can't bind socket: Can't assign requested address for
165518.535 error: can't bind socket: Can't assign requested address for
165518.535 error: can't bind socket: Can't assign requested address for
165518.535 error: can't bind socket: Can't assign requested address for
165518.535 error: can't bind socket: Can't assign requested address for
165518.535 error: can't bind socket: Can't assign requested address for
165518.535 error: can't bind socket: Can't assign requested address for
165518.535 error: can't bind socket: Can't assign requested address for
165518.535 error: can't bind socket: Can't assign requested address for
165518.536 error: can't bind socket: Can't assign requested address for
165518.536 error: can't bind socket: Can't assign requested address for
165518.536 error: can't bind socket: Can't assign requested address for
165518.536 error: can't bind socket: Can't assign requested address for
165518.536 error: can't bind socket: Can't assign requested address for
165518.536 error: can't bind socket: Can't assign requested address for
165518.536 error: can't bind socket: Can't assign requested address for
165518.536 error: can't bind socket: Can't assign requested address for
165518.536 error: can't bind socket: Can't assign requested address for




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