[    2.532845] ip (281) used greatest stack depth: 12360 bytes left
[    6.604959] ip (458) used greatest stack depth: 12344 bytes left
[   16.658422] mpls_gso: MPLS GSO support
[   28.393560] ip (2498) used greatest stack depth: 12064 bytes left
[ 1139.576285] blackhole_netdev_xmit(): Dropping skb.
[ 1139.576378] blackhole_netdev_xmit(): Dropping skb.
[ 1139.576433] blackhole_netdev_xmit(): Dropping skb.
[ 1139.576475] blackhole_netdev_xmit(): Dropping skb.