diff --git a/kafka/net/selector.py b/kafka/net/selector.py
index 0198367cf..464e1db28 100644
--- a/kafka/net/selector.py
+++ b/kafka/net/selector.py
@@ -12,6 +12,9 @@
 
 log = logging.getLogger(__name__)
 
+def log_trace(msg, *args, **kwargs):
+    log.log(5, msg, *args, **kwargs)
+
 
 MAX_TIMEOUT = 2147483
 
@@ -229,7 +232,7 @@ def _next_scheduled_timeout(self, now):
 
     # Note: Windows select works w/ sockets only
     def register_event(self, fileobj, event, task):
-        log.log(0, 'net.register_event: %s, %s, %s', fileobj, event, task)
+        log_trace('net.register_event: %s, %s, %s', fileobj, event, task)
         if not isinstance(task, Task):
             task = Task(task)
         try:
@@ -244,7 +247,7 @@ def register_event(self, fileobj, event, task):
             self._selector.register(fileobj, event, (task, None) if event == selectors.EVENT_READ else (None, task))
 
     def unregister_event(self, fileobj, event):
-        log.log(0, 'net.unregister_event: %s, %s', fileobj, event)
+        log_trace('net.unregister_event: %s, %s', fileobj, event)
         try:
             key = self._selector.get_key(fileobj)
             reader, writer = key.data
@@ -273,6 +276,7 @@ def poll(self, timeout_ms=None, future=None):
             raise RuntimError('Recursive access to net.poll!')
         elif self._running:
             raise RuntimeError('Concurrent access to net.poll!')
+        log_trace('poll: enter')
         self._running = True
         start_at = time.monotonic()
         inner_timeout = timeout_ms / 1000 if timeout_ms is not None else None
@@ -287,8 +291,10 @@ def poll(self, timeout_ms=None, future=None):
                 if inner_timeout <= 0:
                     break
         self._running = False
+        log_trace('poll: exit')
 
     def _poll_once(self, timeout=None):
+        log_trace('_poll_once: enter')
         if self._ready:
             timeout = 0
         else:
@@ -304,6 +310,7 @@ def _poll_once(self, timeout=None):
             timeout = 0
 
         ready_events = self._selector.select(timeout)
+        log_trace('_poll_once: %d ready_events', len(ready_events))
         self._process_events(ready_events)
         self._schedule_tasks()
 
@@ -311,6 +318,7 @@ def _poll_once(self, timeout=None):
         for i in range(n):
             self._current = self._ready.popleft()
             try:
+                log_trace('Calling task %s', self._current)
                 event = self._current()
 
             except StopIteration:
@@ -321,7 +329,7 @@ def _poll_once(self, timeout=None):
 
             else:
                 if isinstance(event, KernelEvent):
-                    log.log(0, 'kernel event %s', event.method)
+                    log_trace('kernel event %s', event.method)
                     getattr(self, event.method)(*event.args)
                 elif isinstance(event, Future):
                     event.add_both(lambda _, task=self._current: self.call_soon(task))
@@ -329,6 +337,7 @@ def _poll_once(self, timeout=None):
                     raise RuntimeError('Unhandled event type: %s' % event)
 
         self._current = None
+        log_trace('_poll_once: exit')
 
     def wakeup(self):
         try: