Improve logging format of KNI haproxy logs to display tcplogs + frondend IP and frontend port.
The current logging format is not very verbose:
It lacks critical information for troubleshooting, such as load-balancing destination and timestamps.
https://www.haproxy.com/blog/introduction-to-haproxy-logging recommends the following for tcp mode:
When in TCP mode, which is set by adding mode tcp, you should also add [option tcplog](https://www.haproxy.com/documentation/hapee/1-8r1/onepage/#option%20tcplog).