[FS#105] lantiq: high latency on adsl lines using pppo[ae]

[LEDE Bugs]

The following task has a new comment added:

FS#105 - lantiq: high latency on adsl lines using pppo[ae]
User who did this - Felix Fietkau (nbd)

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Please test if the issue still exists in the latest version
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=105#comment1309