[    7.734250] ip (689) used greatest stack depth: 12016 bytes left
[   14.894516] mpls_gso: MPLS GSO support
[ 1224.963555] blackhole_netdev_xmit(): Dropping skb.
[ 1224.963653] blackhole_netdev_xmit(): Dropping skb.
[ 1224.963715] blackhole_netdev_xmit(): Dropping skb.
[ 1224.963768] blackhole_netdev_xmit(): Dropping skb.