[    2.574656] ip (294) used greatest stack depth: 12384 bytes left
[   15.800486] mpls_gso: MPLS GSO support
[  662.069822] blackhole_netdev_xmit(): Dropping skb.
[  662.069902] blackhole_netdev_xmit(): Dropping skb.
[  662.069952] blackhole_netdev_xmit(): Dropping skb.
[  662.070005] blackhole_netdev_xmit(): Dropping skb.
[  739.466615] blackhole_netdev_xmit(): Dropping skb.
[  739.466674] blackhole_netdev_xmit(): Dropping skb.
[  739.466710] blackhole_netdev_xmit(): Dropping skb.
[  739.466744] blackhole_netdev_xmit(): Dropping skb.