[FS#535] 5GHz radios not working properly on Netgear R8000

[LEDE Bugs]

The following task has a new comment added:

FS#535 - 5GHz radios not working properly on Netgear R8000
User who did this - rfr (rfr)

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Also, if I set the country to US for all three radios, my previous configuration works 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=535#comment1976