[    2.762492] ip (280) used greatest stack depth: 12272 bytes left
[   17.929068] mpls_gso: MPLS GSO support
[  675.544949] blackhole_netdev_xmit(): Dropping skb.
[  675.545030] blackhole_netdev_xmit(): Dropping skb.
[  675.545082] blackhole_netdev_xmit(): Dropping skb.
[  675.545128] blackhole_netdev_xmit(): Dropping skb.
[  702.702844] blackhole_netdev_xmit(): Dropping skb.
[  702.702916] blackhole_netdev_xmit(): Dropping skb.
[  702.702950] blackhole_netdev_xmit(): Dropping skb.
[  702.702990] blackhole_netdev_xmit(): Dropping skb.