tun: fix bonding active backup with arp monitoring
As stated in the bonding doc, trans_start must be set manually for drivers using NETIF_F_LLTX: Drivers that use NETIF_F_LLTX flag must also update netdev_queue->trans_start. If they do not, then the ARP monitor will immediately fail any slaves using that driver, and those slaves will stay down. Link: https://www.kernel.org/doc/html/v5.15/networking/bonding.html#arp-monitor-operationSigned-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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