[FS#1234] LuCI interface configuration does not accept valid values for the IPv6 suffix

[LEDE Bugs]

The following task is now closed:

FS#1234 - LuCI interface configuration does not accept valid values for the IPv6 suffix
User who did this - Hans Dedecker (dedeckeh)

Reason for closing: Different project
More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=1234