Stop logging tracebacks when we're about to reraise
Stop logging tracebacks when we're about to reraise

At that point, it's up to the caller to decide whether a stack trace is
appropriate; if the caller decides the connection error is recoverable,
us logging a traceback will only confuse things.

Also, prevent a TypeError during log interpolation by actually using the
argument we were providing.

OpenKMIP/PyKMIP,OpenKMIP/PyKMIP