Ok , I will try to clear my goal.
If I append:

Host *
    controlmaster auto
    controlpath /tmp/ssh-%r@%h:%p
[download]

to ssh_config file,
Then I can: ssh host@ip:port to my server multiple times , and from the server side, I will only see only one active connection (the first one).
I would like to achieve samething using OpenSSH perl module.
What I can see is that openssh module creates random sockets , so it will never reuse an existing one (please add your opinion here)
like:

[root@smokeping probes]# ls -altr /tmp/.libnet-openssh-perl/
total 8
drwxrwxrwt. 12 root root 4096 Oct  1 10:02 ..
srw-------.  1 root root    0 Oct  1 10:02 77920c754112ab47c6163bcfc58
+bed18
srw-------.  1 root root    0 Oct  1 10:02 0c600465ef924c5229c418a8871
+b9d36
srw-------.  1 root root    0 Oct  1 10:02 e675b23529a57eb7b59e85a7237
+7df74
srw-------.  1 root root    0 Oct  1 10:02 e4690abec752975a4476dd63232
+19814
srw-------.  1 root root    0 Oct  1 10:02 d3e28b44e996a2c3858850156cc
+3b238
srw-------.  1 root root    0 Oct  1 10:02 24c7eb01f6b8e230db4e7ad7464
+6cc54
srw-------.  1 root root    0 Oct  1 10:02 8146e02629748a287f979c16827
+6b114
srw-------.  1 root root    0 Oct  1 10:02 6a7ebf7458398a282a947479de0
+14edc
srw-------.  1 root root    0 Oct  1 10:02 6c1ebc546764c1bfbd755d1820d
+bf5a5
srw-------.  1 root root    0 Oct  1 10:02 67d4449c8336035d4bc66fccf47
+ceddf
srw-------.  1 root root    0 Oct  1 10:02 af933a70fa19f2e0631dd381587
+d9797
srw-------.  1 root root    0 Oct  1 10:02 09653a62f88e4954a6ba2c85a74
+37400
srw-------.  1 root root    0 Oct  1 10:02 b8b2ecc3c59c9bd14a147b0f4e4
+ebb01
srw-------.  1 root root    0 Oct  1 10:02 c9eb9ff5c25c1ea8bf8ae6fa0a9
+e6550
srw-------.  1 root root    0 Oct  1 10:02 966185842d9ab1ff5ce17afd3c9
+51893
srw-------.  1 root root    0 Oct  1 10:02 cf32ef2944cab6c8aeb5055b1a6
+72ee3
srw-------.  1 root root    0 Oct  1 10:02 a6c87213c639efca7be3d902b97
+f14ca
srw-------.  1 root root    0 Oct  1 10:02 7c903101f2588c0d59ba1951806
+ab423
srw-------.  1 root root    0 Oct  1 10:02 0d8fe313c0fe25601df92bd10f5
+5f48a
srw-------.  1 root root    0 Oct  1 10:02 5073e76ae24b05de392b4b12577
+7138e
srw-------.  1 root root    0 Oct  1 10:02 a3c0acb9d2765801610a1c80c88
+e8086
[download]

So ... I dont know whow to tweak it to work as I want.
Should I force openssh module to create allways same socket and then add the propper rule to ssh_config system file ?
or both , perl module and ssh system client does nothing to do between them ?
Ok , hope to be more clear about my task.
Thanks.

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