ip netns del zaps wg link
Maarten de Vries
maarten at de-vri.es
Fri Jul 14 10:27:01 UTC 2023
On 18/05/2023 01:13, Harry G Coin wrote:
> First, Hi and thanks for all the effort!
>
> At least on Ubuntu latest LTS: As advertised, if a wireguard link
> gets created by systemd/networkd, then set into a different net
> namespace, all works well.
>
> However, if that namespace is deleted, the link appears to be 'gone
> forever'. Other link types reappear in the primary namespace when the
> namespace they are in gets deleted. I'm not sure whether the link
> retains its 'up' or 'down' state when the namespace it's in gets
> deleted and reset to primary. Not a big deal, doesn't happen often.
>
> This is 100% repeatable. Some other answer than 'inaccessible until
> the next reboot' would be nice.
>
>
Hi,
This behavior is exactly what I would expect. I'm using namespaces to
restrict access to a wireguard link. If the namespace gets destroyed, I
absolutely do not want other programs to have access to the wireguard link.
You can simply re-create the wireguard link to use it again. This may
not be the most convenient for you, but your use case seems to be a bit
unconventional: you are moving and deleting a resource created by
systemd and/or networkd manually. You are mixing automatic and manual
management, so there is a risk of breaking the automatic management.
Alternatively, you could move the interface back before deleting the
namespace.
Kind regards,
Maarten de Vries
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