Crash 0MQ after 604 reconnection attempts

mailbugz.c

//
//  Crash mailbox...
//

#include <zmq.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>

//  Specify any two legally combineable socket types
#define SERVER ZMQ_PAIR
#define CLIENT ZMQ_PAIR

int main (int argc, char *argv[])
{
    void *context = zmq_init (1);

    void *server = zmq_socket (context, SERVER);
    zmq_bind (server, "tcp://*:5055");

    void *client1 = zmq_socket (context, CLIENT);
    zmq_setsockopt (client1, ZMQ_IDENTITY, "DIE", 3);
    zmq_connect (client1, "tcp://localhost:5055");

    int ivl = 1;
    void *client2 = zmq_socket (context, CLIENT);
    zmq_setsockopt (client2, ZMQ_IDENTITY, "DIE", 3);
    zmq_setsockopt (client2, ZMQ_RECONNECT_IVL, &ivl, sizeof (ivl));
    zmq_setsockopt (client2, ZMQ_RECONNECT_IVL_MAX, &ivl, sizeof (ivl));
    zmq_connect (client2, "tcp://localhost:5055");

    //  0MQ crashes here
    sleep (10);

    return 0;
}