[ovs-dev] [PATCHv8] netdev-afxdp: add new netdev type for AF_XDP.

[Ben Pfaff]

On Fri, May 17, 2019 at 12:23:35PM +0200, Eelco Chaudron wrote:
> - When I restart or stop OVS (using the systemctl interface as found in
> RHEL) it does not clean up the BFP program causing the restart to fail:
> 
>   2019-05-10T09:12:11.384Z|00042|netdev_afxdp|ERR|AF_XDP device eno1
> reconfig fails
>   2019-05-10T09:12:11.384Z|00043|dpif_netdev|ERR|Failed to set interface
> eno1 new configuration
> 
>   I need to manually run "ip link set dev eno1 xdp off" to make it recover.

William, in case you don't know about it, fatal_signal_add_hook() is
likely the right way to fix this.