Log Warnings

Hi all I have this warning come up and I can not seem to find out what the problem is, anybody no what it is?

Logger: homeassistant.components.http.ban
Source: components/http/ban.py:82
Integration: HTTP (documentation, issues)
First occurred: 18:23:46 (31 occurrences)
Last logged: 18:26:20

Login attempt or request with invalid authentication from fe80::8761:3bb8:91b:e3da (fe80::8761:3bb8:91b:e3da). Requested URL: ‘/api/config’. (None)

Did you ever find out what this was?