It looks like your system is trying to activate swap on a device partition /dev/sdj2, which is not present. Check /etc/fstab to see what swap partitions have been defined, and make any necessary corrections. Once this file is fixed, run systemctl daemon-reload to cause systemd to re-read it.
There isn't a way to restrict what is logged.
The documentation mentions the behavior it sounds like you are describing, as a reason why you shouldn't configure a bucket to write its logs to itself.
When your source bucket and target bucket are the same bucket, additional logs are created for the logs that are written to the bucket. This behavior might ...