Xhr poll error several times a minute

I get an error in my log file several times a minute.

2018-09-23 19:37:46.510 [ERROR] [io.openhabcloud.internal.CloudClient] - Socket.IO error: {}
io.socket.engineio.client.EngineIOException: xhr poll error
at io.socket.engineio.client.Transport.onError(Transport.java:71) [216:org.openhab.io.openhabcloud:2.2.0]
at io.socket.engineio.client.transports.PollingXHR.access$100(PollingXHR.java:19) [216:org.openhab.io.openhabcloud:2.2.0]
at io.socket.engineio.client.transports.PollingXHR$6$1.run(PollingXHR.java:124) [216:org.openhab.io.openhabcloud:2.2.0]
at io.socket.thread.EventThread$2.run(EventThread.java:80) [216:org.openhab.io.openhabcloud:2.2.0]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:?]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:?]
at java.lang.Thread.run(Thread.java:745) [?:?]
Caused by: java.io.IOException: 502
at io.socket.engineio.client.transports.PollingXHR$Request$1.run(PollingXHR.java:218) ~[?:?]
… 1 more
2018-09-23 19:37:46.512 [INFO ] [io.openhabcloud.internal.CloudClient] - Disconnected from the openHAB Cloud service (UUID = XXXXXXXXXXXX, base URL = http://localhost:8080)
2018-09-23 19:38:03.723 [INFO ] [io.openhabcloud.internal.CloudClient] - Connected to the openHAB Cloud service (UUID = XXXXXXXXXXXXXXX, base URL = http://localhost:8080)

myopenhab.org shows me as online, I see some items show up new that I just added to openhab cloud configuration. Running Java verion 8 build 1.8.0 on Windows.
Any thoughts on why I am getting this error so much?

Openhab cloud maintenance maybe? See here:https://community.openhab.org/t/openhab-cloud-maintenance-sunday-at-6-pm-pdt-2am-cet/52056?u=h102