Почему агент Nomad завершает работу из-за отказа в соединении при запуске?

Бег sudo nomad agent -dev приводит к getsockopt: connection refused:

* Get http://127.0.0.1:8500/v1/agent/checks: dial tcp 127.0.0.1:8500:
getsockopt: connection refused
    2017/02/19 20:31:36.971932 [INFO] client: node registration complete
    2017/02/19 20:31:36.973456 [DEBUG] client: periodically checking for 
node changes at duration 5s
    2017/02/19 20:31:36.974470 [DEBUG] client: state updated to ready
    2017/02/19 20:31:41.971377 [ERR] client.consul: error reaping services in 
consul: Get http://127.0.0.1:8500/v1/agent/services: dial tcp 127.0.0.1:8500:
getsockopt: connection refused
^C==> Caught signal: interrupt
    2017/02/19 20:32:17.507631 [DEBUG] http: Shutting down http server
    2017/02/19 20:32:17.509138 [INFO] agent: requesting shutdown
    2017/02/19 20:32:17.510375 [INFO] client: shutting down
    2017/02/19 20:32:17.511603 [INFO] nomad: shutting down server
    2017/02/19 20:32:17 [WARN] serf: Shutdown without a Leave
    2017/02/19 20:32:17.520042 [ERR] agent: shutting down consul service 
failed: 1 error(s) occurred:

* Get http://127.0.0.1:8500/v1/agent/services: dial tcp 127.0.0.1:8500: 
getsockopt: connection refused
    2017/02/19 20:32:17.520155 [INFO] agent: shutdown complete

Действия по воспроизведению

• wget https://raw.githubusercontent.com/hashicorp/nomad/master/demo/vagrant/Vagrantfile
• бродить
• бродячий ssh
• кочевой агент -dev