Re: XDP program unloads by itself

Tugce Ozturk <[email protected]> writes:

> Hello,
>
> I am trying to run the XDP router program from xdp-tutorials. I
> successfully load the program with xdp_loader provided, and I can
> verify that the program is loaded with ip command. However, after a
> few seconds (this duration is random) the xdp program unloads by
> itself without any error. It just disappears.
>
> I tried with different XDP programs, different XDP modes and different
> interfaces as well. But the same issue persists. So, could you suggest
> me a way to troubleshoot this issue? for e.g. where can I find some
> related logs or how can I monitor the behaviour of an XDP program?
> Have you ever come across such a problem?
>
> My kernel is 5.4.0-47-generic. NIC driver i40e (tried with ixgbe too).

Sounds like you have a daemon reconfiguring the interface in the
background? Do you have NetworkManager, systemd-networkd or similar
running?

-Toke