[    1.582475] ip (263) used greatest stack depth: 12288 bytes left
[    1.907920] ip (294) used greatest stack depth: 12272 bytes left
[   11.953585] mpls_gso: MPLS GSO support
[  623.531030] ip (6399) used greatest stack depth: 12240 bytes left
[ 1089.215267] blackhole_netdev_xmit(): Dropping skb.
[ 1089.215339] blackhole_netdev_xmit(): Dropping skb.
[ 1089.215386] blackhole_netdev_xmit(): Dropping skb.
[ 1089.215425] blackhole_netdev_xmit(): Dropping skb.