Some more verbose debug logging for haproxy interaction.

pkg/haproxy/haproxy.go

@@ -353,7 +353,7 @@ func (hc *Controller) updateInstance(inst *haproxyInst, spec *Spec) error {
 
 	hc.log.Infof("Update haproxy instance %s to TLS config: %s",
 		inst.name, spec)
-	hc.log.Debugf("haproxy instance: %+v", inst)
+	hc.log.Debugf("haproxy instance: %+v, spec: %+v", inst, spec)
 	if reflect.DeepEqual(spec, inst.spec) {
 		hc.log.Infof("haproxy instance %s: TLS config %s was "+
 			"accepted for load", inst.name, spec)