[    1.764778] ip (258) used greatest stack depth: 12280 bytes left
[    2.187775] ip (292) used greatest stack depth: 12248 bytes left
[   11.256879] ip (1133) used greatest stack depth: 12104 bytes left
[   13.178942] mpls_gso: MPLS GSO support
[  712.098729] blackhole_netdev_xmit(): Dropping skb.
[  712.098821] blackhole_netdev_xmit(): Dropping skb.
[  712.098880] blackhole_netdev_xmit(): Dropping skb.
[  712.098928] blackhole_netdev_xmit(): Dropping skb.