[FS#355] PPPoE kernel panic

[LEDE Bugs]

The following task has a new comment added:

FS#355 - PPPoE kernel panic
User who did this - lucize (lucize)

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update to kernel 4.4.40 fixes the crash


  ppp: defer netns reference release for ppp channel
  commit 205e1e255c479f3fd77446415706463b282f94e4 upstream.


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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=355#comment1163