diff --git a/coolamqp/uplink/listener/epoll_listener.py b/coolamqp/uplink/listener/epoll_listener.py
index bbb68af8327ea8d5b60a3b6d3b530f242fb0c3df..61d086add9e0b1adf7d0053f14700a53cd557e10 100644
--- a/coolamqp/uplink/listener/epoll_listener.py
+++ b/coolamqp/uplink/listener/epoll_listener.py
@@ -91,6 +91,7 @@ class EpollListener(object):
             # Errors
             try:
                 if event & (select.EPOLLERR | select.EPOLLHUP):
+                    logger.debug('Socket %s has failed', fd)
                     raise SocketFailed()
 
                 if event & select.EPOLLIN:
@@ -105,6 +106,7 @@ class EpollListener(object):
                         self.epoll.modify(sock.fileno(), RO)
 
             except SocketFailed:
+                logger.debug('Socket %s has raised SocketFailed', fd)
                 self.epoll.unregister(fd)
                 del self.fd_to_sock[fd]
                 sock.on_fail()