received failure notification, received ECONNRESET with incomplete TLS handshake

[ipconfiger]

2019-09-28 00:16:53.849269+0800 Runner[462:53755] Connection 24: received failure notification
2019-09-28 00:16:53.849568+0800 Runner[462:53755] Connection 24: received ECONNRESET with incomplete TLS handshake - generating errSSLClosedNoNotify
2019-09-28 00:16:53.849785+0800 Runner[462:53755] Connection 24: failed to connect 3:-9816, reason -1
2019-09-28 00:16:53.849888+0800 Runner[462:53755] Connection 24: encountered error(3:-9816)

It's ok in iOS12 device but not my iPhoneXr with iOS13

[isoos]

What's the code when this happens? Is this a log or also an exception?

[ipconfiger]

What's the code when this happens? Is this a log or also an exception?

This is a log when call httpClient.send(req);

[ipconfiger]

It‘s mostly like resolved when i reset network settings of iOS

[isoos]

I'm not sure if there is anything we can do about it. If you have an idea, let me know.