Thanks. Somehow the problem fixed itself.
Log used to stop with this line:
2022-01-12 11:49:43 Initialization Sequence Completed
Now it continues....
2022-01-12 11:50:00,044 DEBG 'start-script' stdout output:
[info] Attempting to get external IP using 'http://checkip.amazonaws.com'...
2022-01-12 11:50:05,438 DEBG 'start-script' stdout output:
[info] Successfully retrieved external IP address xxx.xxx.xxx.xxx
and QBittorrent is only started later in the log.