Fixing newline on "Shutdown complete" log message modified: lnd.go

[MPins]

Fixes #8713

Change Description

Insert a blank line log message after the "Shutdown complete" log message to ensure that a new line is printed.

This is actually a workaround as the '\n' character was not working properly in some situations. See the tests I did at #8713.

You can reproduce the bug starting and stopping the LND using the "systemctl start lnd" and "systemctl stop lnd".

Steps to Test

The bug fix was tested on Ubuntu using systemctl start/stop lnd, as the bug only manifested this way.

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[Abdulkbk]

Hi @MPins thanks for the PR.

I've reviewed your work and it seems a new empty line is not added after the log "Shutdown complete" message. It was though before your PR as can be seen in the shots below:

Before

After

[Abdulkbk]

It seems this doesn't add a new blank line after the final log statement

[Chinwendu20]

I think @C-Otto was right, this "\n" should not be needed at the end of the shutdown complete message anyway because it should be added by the logging library. I was not able to reproduce it but from your test it seems only to occur with systemd? Maybe we should figure out first if this is an lnd an issue and why exactly the new line does not work?

[MPins]

Hello @Abdulkbk and @Chinwendu20 ... thank you for your comments ... you only see the bug on the log file and you have to start and stop LND using "systemctl start lnd" and "systemctl stop lnd commands.

You can see a lot of tests I did before and after the PR at #8713