[    2.694145] ip (292) used greatest stack depth: 12272 bytes left
[   16.143339] mpls_gso: MPLS GSO support
[  790.717361] blackhole_netdev_xmit(): Dropping skb.
[  790.717436] blackhole_netdev_xmit(): Dropping skb.
[  790.717471] blackhole_netdev_xmit(): Dropping skb.
[  790.717505] blackhole_netdev_xmit(): Dropping skb.
[  958.137331] ip (27237) used greatest stack depth: 12128 bytes left
[ 1174.556743] blackhole_netdev_xmit(): Dropping skb.
[ 1174.556817] blackhole_netdev_xmit(): Dropping skb.
[ 1174.556855] blackhole_netdev_xmit(): Dropping skb.
[ 1174.556894] blackhole_netdev_xmit(): Dropping skb.