[FS#1002] Dns ipv6 problem when interface restart

[LEDE Bugs]

The following task is now closed:

FS#1002 - Dns ipv6 problem when interface restart
User who did this - Hans Dedecker (dedeckeh)

Reason for closing: No response
Additional comments about closing: Please re-open if the issue is still observed by providing the odhcp6c traces both in the working and non working case 

More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=1002