# Error message in log regularly

**URL:** <https://forum.openwrt.org/t/error-message-in-log-regularly/4163>\
**Category:** Installing and Using OpenWrt\
**Created:** [June 5, 2017, 3:48pm UTC](https://forum.openwrt.org/t/error-message-in-log-regularly/4163 "2017-06-05T15:48:22Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![takimata](https://forum.openwrt.org/user_avatar/forum.openwrt.org/takimata/32/114647_2.png) [@takimata](https://forum.openwrt.org/u/takimata)\
**Post date:** [August 3, 2017, 10:07am UTC](https://forum.openwrt.org/t/error-message-in-log-regularly/4163/4 "2017-08-03T10:07:31Z")

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But what exactly is DHCPv6 doing there, and failing? ff02::1:2 should be a broadcast to all DHCP servers in the local network. And why does the error go away once WAN is reconnected?

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