This article discusses the issue in Kiwi Syslog version 9.5 regarding a known where the Secure TCP certificate cannot be bound to the port.
Error: Unable to bind secure TCP listener to port 6514
Kiwi Syslog Server version 9.5
This is a known issue that the developers are trying to fix.
Install Kiwi Syslog Server Hotfix 3 that can be found here: