[sr-dev] [kamailio/kamailio] NATS Module not working (Issue #3253)

[iliesh]

### Description

Trying to get NATS module working but Kamailio is refusing to start. 

```
Sep 27 23:08:27 server kernel: kamailio[338880]: segfault at 70 ip 00007fe97b06f1cc sp 00007fff72d158f0 error 4 in libuv.so.1.0.0[7fe97b066000+1f000]
Sep 27 23:08:27 server kernel: Code: 5a 85 ff ff b8 ea ff ff ff c3 0f 1f 40 00 f3 0f 1e fa 8b 4e 30 83 f9 ff 0f 84 80 00 00 00 48 83 ec 08 85 c9 0f 88 90 00 00 00 <3b> 4f 70 73 45 f7 d2 21 56 28 48 8d 4e 18 48 89 f0 48 8b 76 18 75
Sep 27 23:08:27 server systemd[1]: Started Process Core Dump (PID 338886/UID 0).
```

#### Log Messages

In the log message I'm getting the following error:

```
INFO: nats [nats_mod.c:437]: nats_init_connection(): adding server [nats://192.168.1.1:4222] [1]
ERROR: nats [nats_mod.c:456]: nats_init_connection(): could not create nats options [System Error]
```
### Additional Information

  * **Kamailio Version** - output of `kamailio -v`

```
(version: kamailio 5.6.1 (x86_64/linux) 34e6dd)
```
NATS Server version:
```
nats-server: v2.9.0
```

libnats version:

```
libnats.so.3.4.0
```

* **Operating System**:

```
CentOS Stream 9 
5.14.0-163.el9.x86_64 #1 SMP PREEMPT_DYNAMIC Thu Sep 8 13:52:29 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
```
* **Module Configuration**:
```
loadmodule  "nats.so"
modparam("nats", "nats_url", "nats://192.168.1.1:4222")
```

There is no issue at the network/firewall level as by using telnet I'm able to connect to the NATS server successfully.
What is weird is that with tcpdump I can't see even attempts to connect to the NATS server.

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