[    2.476253] ip (293) used greatest stack depth: 12272 bytes left
[   15.226571] mpls_gso: MPLS GSO support
[  818.963868] blackhole_netdev_xmit(): Dropping skb.
[  818.963961] blackhole_netdev_xmit(): Dropping skb.
[  818.964010] blackhole_netdev_xmit(): Dropping skb.
[  818.964054] blackhole_netdev_xmit(): Dropping skb.
[  845.844855] blackhole_netdev_xmit(): Dropping skb.
[  845.844939] blackhole_netdev_xmit(): Dropping skb.
[  845.845002] blackhole_netdev_xmit(): Dropping skb.
[  845.845053] blackhole_netdev_xmit(): Dropping skb.
[  997.442256] blackhole_netdev_xmit(): Dropping skb.
[  997.442345] blackhole_netdev_xmit(): Dropping skb.
[  997.442398] blackhole_netdev_xmit(): Dropping skb.
[  997.442447] blackhole_netdev_xmit(): Dropping skb.