[FS#1083] ar71xx Kernel 4.9 PPTP Passthrough not working

[LEDE Bugs]

The following task has a new comment added:

FS#1083 - ar71xx Kernel 4.9  PPTP Passthrough not working
User who did this - chandlerding (chandlerding)

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Install kmod-nf-nathelper-extra and try again?
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=1083#comment3659