Add peer address to handshake error logs

[jsulmont]

Add peer address to handshake error logs

What is the problem your feature solves, or the need it fulfills?

When downstream handshake errors occur, the logs currently don't show which client caused the error, making debugging difficult in production environments.

Describe the solution you'd like

Include the peer address (client IP) in handshake error logs to help identify problematic clients and troubleshoot connection issues more efficiently.

Describe alternatives you've considered

Adding more verbose debug logging, but this wouldn't be enabled in production where these errors are most critical to diagnose.