Only this:
[ERROR] [MY-000059] [Server] SSL error: Unable to get certificate from '/etc/letsencrypt/live/mydomain/fullchain.pem
[Warning] [MY-013595] [Server] Failed to initialize TLS for channel: mysql_main. See below for the description of exact issue.
[Warning] [MY-010069] [Server] Failed to set up SSL because of the following SSL library error: Unable to get certificate
[Warning] [MY-011302] [Server] Plugin mysqlx reported: 'Failed at SSL configuration: "SSL context is not usable without certificate and private key"'