[    2.155094] ip (248) used greatest stack depth: 12304 bytes left
[    2.888686] ip (282) used greatest stack depth: 12272 bytes left
[   18.957162] mpls_gso: MPLS GSO support
[   20.346857] ip (1458) used greatest stack depth: 12144 bytes left
[ 1096.124195] blackhole_netdev_xmit(): Dropping skb.
[ 1096.124266] blackhole_netdev_xmit(): Dropping skb.
[ 1096.124297] blackhole_netdev_xmit(): Dropping skb.
[ 1096.124328] blackhole_netdev_xmit(): Dropping skb.