Add support to set SO_REUSEADDR for tcp probes
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buc
This patch adds support to set SO_REUSEADDR for tcp probes so that they can be use sockets in TIME_WAIT state.
We need this as part of a netowrk monitoring system where we do agressive traceroutes on specific port numbers to try and diagnose network problems related to hashing.
Diff
Done in 2.0.22
(Option name changed to be just `reuse')