### Description
On server used WebRTC clients. Some time Kamailio start flooding messages like
this
```
INFO: websocket [ws_frame.c:814]: ws_keepalive(): tcp connection has been lost
```
I have enabled debug logs and can see more detailed output.
```
INFO: websocket [ws_frame.c:814]: ws_keepalive(): tcp connection has been lost
DEBUG: websocket [ws_conn.c:485]: wsconn_put_id(): wsconn put id [49]
DEBUG: websocket [ws_conn.c:490]: wsconn_put_id(): wsc [0xffff7b4af448] refcnt
[2]
DEBUG: websocket [ws_conn.c:425]: wsconn_put_mode(): wsconn_put start for
[0xffff7b4af448] refcnt [2]
DEBUG: websocket [ws_conn.c:439]: wsconn_put_mode(): wsconn_put end for
[0xffff7b4af448] refcnt [1]
DEBUG: websocket [ws_conn.c:461]: wsconn_get(): wsconn_get for id [0]
DEBUG: websocket [ws_conn.c:461]: wsconn_get(): wsconn_get for id [0]
DEBUG: websocket [ws_conn.c:461]: wsconn_get(): wsconn_get for id [52]
DEBUG: websocket [ws_conn.c:467]: wsconn_get(): wsconn_get returns wsc
[0xffff7b4df8f8] refcnt [2]
INFO: websocket [ws_frame.c:814]: ws_keepalive(): tcp connection has been lost
DEBUG: websocket [ws_conn.c:485]: wsconn_put_id(): wsconn put id [52]
DEBUG: websocket [ws_conn.c:490]: wsconn_put_id(): wsc [0xffff7b4df8f8] refcnt
[2]
DEBUG: websocket [ws_conn.c:425]: wsconn_put_mode(): wsconn_put start for
[0xffff7b4df8f8] refcnt [2]
DEBUG: websocket [ws_conn.c:439]: wsconn_put_mode(): wsconn_put end for
[0xffff7b4df8f8] refcnt [1]
DEBUG: websocket [ws_conn.c:461]: wsconn_get(): wsconn_get for id [0]
DEBUG: websocket [ws_conn.c:461]: wsconn_get(): wsconn_get for id [0]
DEBUG: websocket [ws_conn.c:461]: wsconn_get(): wsconn_get for id [0]
DEBUG: websocket [ws_conn.c:461]: wsconn_get(): wsconn_get for id [0]
DEBUG: websocket [ws_conn.c:461]: wsconn_get(): wsconn_get for id [61]
DEBUG: websocket [ws_conn.c:467]: wsconn_get(): wsconn_get returns wsc
[0xffff7b57bfa0] refcnt [2]
INFO: websocket [ws_frame.c:814]: ws_keepalive(): tcp connection has been lost
DEBUG: websocket [ws_conn.c:485]: wsconn_put_id(): wsconn put id [61]
DEBUG: websocket [ws_conn.c:490]: wsconn_put_id(): wsc [0xffff7b57bfa0] refcnt
[2]
DEBUG: websocket [ws_conn.c:425]: wsconn_put_mode(): wsconn_put start for
[0xffff7b57bfa0] refcnt [2]
DEBUG: websocket [ws_conn.c:439]: wsconn_put_mode(): wsconn_put end for
[0xffff7b57bfa0] refcnt [1]
DEBUG: websocket [ws_conn.c:461]: wsconn_get(): wsconn_get for id [0]
DEBUG: websocket [ws_conn.c:461]: wsconn_get(): wsconn_get for id [0]
DEBUG: websocket [ws_conn.c:461]: wsconn_get(): wsconn_get for id [0]
DEBUG: websocket [ws_conn.c:461]: wsconn_get(): wsconn_get for id [70]
DEBUG: websocket [ws_conn.c:467]: wsconn_get(): wsconn_get returns wsc
[0xffff7b5cc770] refcnt [2]
INFO: websocket [ws_frame.c:814]: ws_keepalive(): tcp connection has been lost
DEBUG: websocket [ws_conn.c:485]: wsconn_put_id(): wsconn put id [70]
DEBUG: websocket [ws_conn.c:490]: wsconn_put_id(): wsc [0xffff7b5cc770] refcnt
[2]
DEBUG: websocket [ws_conn.c:425]: wsconn_put_mode(): wsconn_put start for
[0xffff7b5cc770] refcnt [2]
DEBUG: websocket [ws_conn.c:439]: wsconn_put_mode(): wsconn_put end for
[0xffff7b5cc770] refcnt [1]
DEBUG: websocket [ws_conn.c:461]: wsconn_get(): wsconn_get for id [0]
DEBUG: websocket [ws_conn.c:461]: wsconn_get(): wsconn_get for id [0]
DEBUG: websocket [ws_conn.c:461]: wsconn_get(): wsconn_get for id [76]
DEBUG: websocket [ws_conn.c:467]: wsconn_get(): wsconn_get returns wsc
[0xffff7b62d0d0] refcnt [2]
INFO: websocket [ws_frame.c:814]: ws_keepalive(): tcp connection has been lost
```
On the server installed commit 1d03d9e8312e6e9b494f6d243fe9b2b4ea890eaf
### Troubleshooting
I do not know.
For me it looks random.
#### Reproduction
I do not know.
For me it looks random.
#### Debugging Data
not applicable
#### Log Messages
provided above
#### SIP Traffic
not applicable
### Possible Solutions
not known
### Additional Information
* **Kamailio Version**
Used commit 1d03d9e8312e6e9b494f6d243fe9b2b4ea890eaf
* **Operating System**:
```
[root@sbc-stage-a0 kamailio]# cat /etc/os-release
NAME="CentOS Stream"
VERSION="8"
ID="centos"
ID_LIKE="rhel fedora"
VERSION_ID="8"
PLATFORM_ID="platform:el8"
PRETTY_NAME="CentOS Stream 8"
ANSI_COLOR="0;31"
CPE_NAME="cpe:/o:centos:centos:8"
HOME_URL="https://centos.org/";
BUG_REPORT_URL="https://bugzilla.redhat.com/";
REDHAT_SUPPORT_PRODUCT="Red Hat Enterprise Linux 8"
REDHAT_SUPPORT_PRODUCT_VERSION="CentOS Stream"
```
kernel
```
Linux sbc-stage-a0.nga911.com 4.18.0-365.el8.aarch64 #1 SMP Thu Feb 10 16:12:32
UTC 2022 aarch64 aarch64 aarch64 GNU/Linux
```
--
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https://github.com/kamailio/kamailio/issues/3278
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