@@ -208,7 +208,7 @@ func (s *DockerSwarmSuite) AddDaemon(c *check.C, joinSwarm, manager bool) *Swarm

 		port:   defaultSwarmPort + s.portIndex,

 	}

 	d.listenAddr = fmt.Sprintf("0.0.0.0:%d", d.port)

-	err := d.StartWithBusybox()

+	err := d.StartWithBusybox("--iptables=false") // avoid networking conflicts

 	c.Assert(err, check.IsNil)

 	if joinSwarm == true {