tempest/releasenotes/notes/measure-downtime-during-liv...

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features:
- |
Added new module net_downtime including the fixture NetDowntimeMeter that
can be used to measure how long the connectivity with an IP is lost
during certain operations like a server live migration.
The configuration option allowed_network_downtime has been added with a
default value of 5.0 seconds, which would be the maximum time that
the connectivity downtime is expected to last.