Stop reconnecting when discovery service down

[huan]

Puppet Service Client hang...

2021-06-01T20:48:15.333299+00:00 app[web.1]: 20:48:15 VERB PuppetService start()
2021-06-01T20:48:15.333393+00:00 app[web.1]: 20:48:15 VERB StateSwitch <PuppetService> on(pending) <- (false)
2021-06-01T20:48:15.333591+00:00 app[web.1]: 20:48:15 VERB PuppetService startGrpcClient()
2021-06-01T20:48:15.333676+00:00 app[web.1]: 20:48:15 VERB PuppetService discoverServiceIp(puppet_donut_8264ef8beeb072d8)
2021-06-01T20:48:15.926909+00:00 app[web.1]: 20:48:15 ERR PuppetService start() rejection: PuppetService discoverServiceIp() endpoint<https://api.chatie.io/v0/hosties/puppet_donut_xxx> rejection: Error: socket hang up
2021-06-01T20:48:15.926980+00:00 app[web.1]: 20:48:15 VERB StateSwitch <PuppetService> off(true) <- (false)