[    1.868881] ip (253) used greatest stack depth: 12376 bytes left
[    2.413258] ip (281) used greatest stack depth: 12344 bytes left
[   11.043230] ip (956) used greatest stack depth: 12064 bytes left
[   15.118422] mpls_gso: MPLS GSO support
[ 1175.500412] blackhole_netdev_xmit(): Dropping skb.
[ 1175.500483] blackhole_netdev_xmit(): Dropping skb.
[ 1175.500517] blackhole_netdev_xmit(): Dropping skb.
[ 1175.500546] blackhole_netdev_xmit(): Dropping skb.