diff --git a/src/user.c b/src/user.c
index 3cba8ba..8dec2cb 100644
--- a/src/user.c
+++ b/src/user.c
@@ -51,7 +51,8 @@ struct user* user_create(struct hub_info* hub, int sd)
 	user->net.send_queue = hub_sendq_create();
 	user->net.recv_queue = hub_recvq_create();
 
-	event_set(&user->net.event, sd, EV_READ | EV_PERSIST, net_event, user);
+	user->net.events = EV_READ;
+	event_set(&user->net.event, sd, user->net.events | EV_PERSIST, net_event, user);
 	event_base_set(hub->evbase, &user->net.event);
 	event_add(&user->net.event, 0);
 
@@ -71,6 +72,7 @@ void user_destroy(struct user* user)
 	hub_log(log_trace, "user_destroy(), user=%p", user);
 
 	event_del(&user->net.event);
+	evtimer_del(&user->net.timeout);
 	
 	hub_recvq_destroy(user->net.recv_queue);
 	hub_sendq_destroy(user->net.send_queue);
@@ -331,8 +333,11 @@ void user_net_io_want_write(struct user* user)
 #ifdef DEBUG_SENDQ
 	hub_log(log_trace, "user_net_io_want_write: %s", user_log_str(user));
 #endif
+	if (user->net.events == (EV_READ | EV_WRITE))
+		return;
+	user->net.events = (EV_READ | EV_WRITE);
 	event_del(&user->net.event);
-	event_set(&user->net.event,  user->net.sd, EV_READ | EV_WRITE | EV_PERSIST, net_event, user);
+	event_set(&user->net.event,  user->net.sd, user->net.events | EV_PERSIST, net_event, user);
 	event_add(&user->net.event, 0);
 }
 
@@ -341,8 +346,11 @@ void user_net_io_want_read(struct user* user)
 #ifdef DEBUG_SENDQ
 	hub_log(log_trace, "user_net_io_want_read: %s", user_log_str(user));
 #endif
+	if (user->net.events == EV_READ)
+		return;
+	user->net.events = EV_READ;
 	event_del(&user->net.event);
-	event_set(&user->net.event,  user->net.sd, EV_READ | EV_PERSIST, net_event, user);
+	event_set(&user->net.event,  user->net.sd, user->net.events | EV_PERSIST, net_event, user);
 	event_add(&user->net.event, 0);
 }
 
diff --git a/src/user.h b/src/user.h
index 0c5f2dc..b5baf1a 100644
--- a/src/user.h
+++ b/src/user.h
@@ -97,6 +97,7 @@ struct user_net_io
 	int                  sd;                      /** socket descriptor */
 	struct event         event;                   /** libevent struct for read/write events */
 	struct event         timeout;                 /** timeout handling */
+	int events;                                   /** currently set events, used to reduce event_{add,del,set} calls */
 
 	struct hub_recvq*    recv_queue;
 	struct hub_sendq*    send_queue;