Error if unable to resolve endpoints.

lib/units/reaper/index.js

@@ -27,6 +27,10 @@ module.exports = function(options) {
       })
     })
   })
+  .catch(function(err) {
+    log.fatal('Unable to connect to push endpoint', err)
+    lifecycle.fatal()
+  })
 
   function reap() {
     dbapi.getDeadDevices(options.heartbeatTimeout)