The Asterisk version is more useful than the kernel one.
Your first pair is the same. The /n is an option and doesn’t change where the call goes.
The second pair are likely to be the same, given the way that people typically configure Asterisk. Miing /n and non-/n versions is almost certainly a misconfiguration.
However, both of them depend on the specifics of the dial plan. Either you, or a third party, will have provided that.
Without knowing how the analysis software works, I’m not sure it is possible to comment further.
Also, the queue subsystem doesn’t work with extensions, so there is no way we can relate extensions to what gets logged without full details of your dialplan and queue configuration.