Thanks. I switched from GRE tunneling to VxLAN tunneling, which does not
create these devices.
On 26/11/2019 19:26, Ben Pfaff wrote:
On Tue, Nov 26, 2019 at 09:23:58AM +0100, Maksym Planeta wrote:
I want to configure OVS to communicate between containers. I configure OVS
and see it creating some additional interfaces, like gre, or system. But
when I create a container with an isolated network namespace these devices
are still visible.
How do I make OVS devices invisible inside the container unless I explicitly
say so?
...
I would not expect gre0, gretap0, and erspan0 to be present.
These aren't OVS devices. As I understand it, they're global system
devices that are always present in every namespace if their drivers are
loaded. A Google search for gretap0 turns this up as the first hit, for
example: https://github.com/lxc/lxd/issues/3338
--
Regards,
Maksym Planeta
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