[    1.529653] ip (259) used greatest stack depth: 12280 bytes left
[    1.904243] ip (293) used greatest stack depth: 12248 bytes left
[   11.431022] mpls_gso: MPLS GSO support
[   19.367004] ip (2582) used greatest stack depth: 12104 bytes left
[  885.003166] blackhole_netdev_xmit(): Dropping skb.
[  885.003267] blackhole_netdev_xmit(): Dropping skb.
[  885.003320] blackhole_netdev_xmit(): Dropping skb.
[  885.003382] blackhole_netdev_xmit(): Dropping skb.
[ 1171.982998] blackhole_netdev_xmit(): Dropping skb.
[ 1171.983092] blackhole_netdev_xmit(): Dropping skb.
[ 1171.983150] blackhole_netdev_xmit(): Dropping skb.
[ 1171.983194] blackhole_netdev_xmit(): Dropping skb.