[    2.849297] ip (281) used greatest stack depth: 12272 bytes left
[   17.441838] mpls_gso: MPLS GSO support
[  633.882482] ip (25318) used greatest stack depth: 12192 bytes left
[  651.616227] ip (27021) used greatest stack depth: 12144 bytes left
[  893.461618] blackhole_netdev_xmit(): Dropping skb.
[  893.461687] blackhole_netdev_xmit(): Dropping skb.
[  893.461729] blackhole_netdev_xmit(): Dropping skb.
[  893.461767] blackhole_netdev_xmit(): Dropping skb.
[ 1042.437372] blackhole_netdev_xmit(): Dropping skb.
[ 1042.437440] blackhole_netdev_xmit(): Dropping skb.
[ 1042.437473] blackhole_netdev_xmit(): Dropping skb.
[ 1042.437503] blackhole_netdev_xmit(): Dropping skb.
[ 1195.313185] blackhole_netdev_xmit(): Dropping skb.
[ 1195.313257] blackhole_netdev_xmit(): Dropping skb.
[ 1195.313298] blackhole_netdev_xmit(): Dropping skb.
[ 1195.313332] blackhole_netdev_xmit(): Dropping skb.