http: Accept error: accept tcp [::]:9808: accept4: too many open files; retrying in 5ms

After running livenessprobe for 2 days the following error appeared in the log and it causes liveness check failure, as a result csi driver gets restarted.

```console
http: Accept error: accept tcp [::]:9808: accept4: too many open files; retrying in 5ms
``` 