Following the update, I have the same problem.
This is displayed after deactivating and reactivating:
Details d’erreur: The Jetpack server was unable to communicate with your site https://jecuisinedoncjesuis.com [IXR -32300: transport error: http_request_failed cURL error 28: Connection timed out after 10001 milliseconds]
Also
SELF:
Array
(
[headers] => Requests_Utility_CaseInsensitiveDictionary Object
(
[data:protected] => Array
(
[server] => nginx
[date] => Fri, 15 Jun 2018 10:05:02 GMT
[content-type] => text/plain;charset=utf-8
[expires] => Wed, 11 Jan 1984 05:00:00 GMT
[cache-control] => no-cache, must-revalidate, max-age=60
[x-hacker] => Jetpack Test
[x-ac] => 3.cdg _dca
[strict-transport-security] => max-age=15552000
)
)
[body] => {“error”:”Could not validate security token”,”error_description”:”We were unable to validate a security token for Jetpack communication. Please try disconnecting Jetpack from your WordPress.com account, and connecting it again.”}
[response] => Array
(
[code] => 400
[message] => Bad Request
)
[cookies] => Array
(
)
[filename] =>
[http_response] => WP_HTTP_Requests_Response Object
(
[response:protected] => Requests_Response Object
(
[body] => {"error":"Could not validate security token","error_description":"We were unable to validate a security token for Jetpack communication. Please try disconnecting Jetpack from your WordPress.com account, and connecting it again."}
[raw] => HTTP/1.1 400 Bad Request
Server: nginx
Date: Fri, 15 Jun 2018 10:05:02 GMT
Content-Type: text/plain;charset=utf-8
Transfer-Encoding: chunked
Connection: close
Expires: Wed, 11 Jan 1984 05:00:00 GMT
Cache-Control: no-cache, must-revalidate, max-age=60
X-hacker: Jetpack Test
X-ac: 3.cdg _dca
Strict-Transport-Security: max-age=15552000
{"error":"Could not validate security token","error_description":"We were unable to validate a security token for Jetpack communication. Please try disconnecting Jetpack from your WordPress.com account, and connecting it again."}
[headers] => Requests_Response_Headers Object
(
[data:protected] => Array
(
[server] => Array
(
[0] => nginx
)
[date] => Array
(
[0] => Fri, 15 Jun 2018 10:05:02 GMT
)
[content-type] => Array
(
[0] => text/plain;charset=utf-8
)
[expires] => Array
(
[0] => Wed, 11 Jan 1984 05:00:00 GMT
)
[cache-control] => Array
(
[0] => no-cache, must-revalidate, max-age=60
)
[x-hacker] => Array
(
[0] => Jetpack Test
)
[x-ac] => Array
(
[0] => 3.cdg _dca
)
[strict-transport-security] => Array
(
[0] => max-age=15552000
)
)
)
[status_code] => 400
[protocol_version] => 1.1
[success] =>
[redirects] => 0
[url] => https://jetpack.wordpress.com/jetpack.testsite/1/?url=https://jecuisinedoncjesuis.com/xmlrpc.php
[history] => Array
(
)
[cookies] => Requests_Cookie_Jar Object
(
[cookies:protected] => Array
(
)
)
)
[filename:protected] =>
[data] =>
[headers] =>
[status] =>
)
