def _start_link_cb(self, status, uri, peer_node_id):
        if status < "NACK":
            return
        # Got link set up tunnel
        master_id = peer_node_id
        self.tunnel = self.calvincontrol.node.proto.tunnel_new(master_id, 'control', {})
        self.tunnel.register_tunnel_down(CalvinCB(self.tunnel_down))
        self.tunnel.register_tunnel_up(CalvinCB(self.tunnel_up))
        self.tunnel.register_recv(self.tunnel_recv_handler)
dataset/ETHPy150Open EricssonResearch/calvin-base/calvin/runtime/north/calvincontrol.py/CalvinControlTunnelClient._start_link_cb/operator `==` -> `<`