[FS#1501] DS-Lite is broken on snapshot with some models

[LEDE Bugs]

The following task has a new comment added:

FS#1501 - DS-Lite is broken on snapshot with some models
User who did this - Hans Dedecker (dedeckeh)

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I'm unable to reproduce the issue on a TPLink TL-WDR4300
I've attached a dslite.sh file with extra trace info for further trouble shooting.
Can you copy this file to /lib/netifd/proto followed by a /etc/init.d/network restart ?
Can you check the output of logread when dslite failes to come up ?

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https://bugs.openwrt.org/index.php?do=details&task_id=1501#comment4644