Error/Warning Notification

[Maximir 0]

HI Air people!
Ihave a question. Since ca. 1 Month i get this Notification in nearly every Server. There are only a couple of servers what dont have this messege.
Logline: W 2021.09.28 09:20:23 - Routes, add 2001:ac8:28:8:9e82:3fe:5fcc:6712 for gateway fde6:7a:7d20:72::1 failed: Exception: exit:1; out:Das Objekt ist bereits vorhanden.
W 2021.09.28 09:20:23 -     ; err:
What does does it means? And how can i fix this?
Thanks in advance.

[OpenSourcerer 1442]

Should be obvious, the route is already there. But to know more the whole log is needed. When this message pops up, in Eddie's Logs tab click the lifebelt icon and paste/upload the output here.

[Maximir 0]

Here is my log file.

Eddie_20210930_092355.txt

[Maximir 0]

Log 1.txt

[OpenSourcerer 1442]

Yeah, your routing table is absolutely cluttered with old entries. You're not the first with this, but I can't remember if there was a true fix in the past, only workarounds. The most obvious one is rebooting, and I mean reboot, not shutdown and start again (both are different). I believe the reason was either hibernation/standby or shutdowns while Eddie is running.
I think I remember someone working around it by resetting the TCP/IP stack. Found the relevant commands in an old post, try them: