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### Description

<!-- Explain what you did, what you expected to happen, and what actually happened. --> Kamailio does not properly release connected WebSocket TCP connections, leading to a situation where the maximum number of allowable connections is reached and new connection requests are rejected.

### Troubleshooting When examining the logs, we identified an issue where Kamailio is failing to release connected WebSocket TCP connections, causing a backlog of TIME_WAIT connections. The logs show a warning message indicating that the maximum number of allowable sockets per IP has been reached, leading to the rejection of further WebSocket requests. #### Reproduction Establish WebSocket connections with Kamailio. Monitor the number of TIME_WAIT connections using netstat. Observe the warning message in Kamailio logs when the maximum allowable sockets per IP are reached. <!-- If the issue can be reproduced, describe how it can be done. -->

#### Debugging Data

<!-- If you got a core dump, use gdb to extract troubleshooting data - full backtrace, local variables and the list of the code at the issue location.

gdb /path/to/kamailio /path/to/corefile bt full info locals list

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``` (paste your debugging data here) ```

#### Log Messages

<!-- Check the syslog file and if there are relevant log messages printed by Kamailio, add them next, or attach to issue, or provide a link to download them (e.g., to a pastebin site). -->

``` 2023-10-03T13:19:33.699043+00:00 apps001 kamailio[23781]: WARNING: |<null>|websockets-role.cfg:224 (websocket_request) 223.233.86.93 is at the maximum 50 allowable sockets per IP, rejecting request for another websocket

netstat -punta | grep 223.233.86.93 | grep 5065 tcp 0 0 45.79.166.214:5065 223.233.86.93:52158 TIME_WAIT - tcp 0 0 45.79.166.214:5065 223.233.86.93:52195 TIME_WAIT - tcp 0 0 45.79.166.214:5065 223.233.86.93:52292 TIME_WAIT - tcp 0 0 45.79.166.214:5065 223.233.86.93:52248 TIME_WAIT - tcp 0 0 45.79.166.214:5065 223.233.86.93:52108 TIME_WAIT - tcp 0 0 45.79.166.214:5065 223.233.86.93:52071 TIME_WAIT -

```

#### SIP Traffic

<!-- If the issue is exposed by processing specific SIP messages, grab them with ngrep or save in a pcap file, then add them next, or attach to issue, or provide a link to download them (e.g., to a pastebin site). -->

``` (paste your sip traffic here) ```

### Possible Solutions

<!-- If you found a solution or workaround for the issue, describe it. Ideally, provide a pull request with a fix. --> restarting kamailio solves the problem.

### Additional Information

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

``` version: kamailio 5.7.2 (x86_64/linux) flags: USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MMAP, PKG_MALLOC, MEM_JOIN_FREE, Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLOCKLIST, HAVE_RESOLV_RES, TLS_PTHREAD_MUTEX_SHARED ADAPTIVE_WAIT_LOOPS 1024, MAX_RECV_BUFFER_SIZE 262144, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB poll method support: poll, epoll_lt, epoll_et, sigio_rt, select. id: unknown compiled on 14:39:54 Sep 27 2023 with gcc 7.3.1 ```

* **Operating System**:

<!-- Details about the operating system, the type: Linux (e.g.,: Debian 8.4, Ubuntu 16.04, CentOS 7.1, ...), MacOS, xBSD, Solaris, ...; Kernel details (output of `lsb_release -a` and `uname -a`) -->

``` CentOS Linux release 7.9.2009 (Core) ```