Github user neykov commented on the issue:
https://github.com/apache/brooklyn-server/pull/563
Using non-`SO_REUSEADDR` sockets seems to work fine on the apache build
slaves. On the other hand it prevents us from re-binding to the same port after
restarting Brooklyn, so not ideal.
If the problems persist I suggest we add troubleshooting info in the tests.
Things like the output of `netstat`, `ip addr show` & similar, which could
guide us to the root cause of the failures. See
https://github.com/apache/incubator-brooklyn/pull/657 for other ideas.
https://github.com/apache/incubator-brooklyn/pull/662 addresses a similar
problem, worth having in mind if someone tries to dig in deeper.
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