[FS#138] openvpn broken due to dependency

[LEDE Bugs]

The following task has a new comment added:

FS#138 - openvpn broken due to dependency
User who did this - Karol Babioch (kbabioch)

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After some more fiddling it is probably kmod-tun that is failing to install.
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=138#comment349