`iw phy "$PHY" set netns "$pid"` Fails with "Operation not supported" about docker-ap HOT 5 OPEN

It is driver specific. I am running into the same issue with several wireless USB adapters.
Run 'iw phy phy# info'
if ' * set_wiphy_netns' is not in the list of supported commands, the driver does not support the namespace map.

If you happen to find any 5.0GHz adapters that support this, I would love to know. The Chipset Ralink 5370 and associated driver support netns, but it is 802.11bgn only.

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Same thing happens with wlan1 fwiw

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Just saw #3. Looks like that's the same thing. But also seems like there wasn't a real resolution other than using a different tool or replacing -net=bridge with -net=host (and thus lowering security). I'd be surprised if this is Pi-3-specific since it seems to fail in the same way with my good ol' edimax adapter as well.

uname -av
Linux raspberrypi 4.4.34-v7+ #930 SMP Wed Nov 23 15:20:41 GMT 2016 armv7l GNU/Linux

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Hi @johnboiles,
Thanks for your feedback.
I wouldn't say it's Pi-3-specific but rather an issue related with iw and certain drivers of some wireless chipsets. I tested docker-ap with Intel, Qualcomm and Realtek chipsets successfully however there's something that prevents it from working with other vendors, not sure if there's something missing in iw or it's a driver-specific issue...more research will be needed on this.

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In case it provides a clue: I went to create_ap after trying this project and it would fail in a similar way when I tried to use it in bridged mode. Without bridging (just using nat) it works fine. Seems similar to -net=bridge doesn't work here but -net=host does

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