[    1.678224] ip (258) used greatest stack depth: 12832 bytes left
[    1.702207] ip (261) used greatest stack depth: 12280 bytes left
[    2.155468] ip (292) used greatest stack depth: 12248 bytes left
[   11.792253] mpls_gso: MPLS GSO support
[  625.812230] ip (8308) used greatest stack depth: 12232 bytes left
[  643.436452] blackhole_netdev_xmit(): Dropping skb.
[  643.436509] blackhole_netdev_xmit(): Dropping skb.
[  643.436546] blackhole_netdev_xmit(): Dropping skb.
[  643.436579] blackhole_netdev_xmit(): Dropping skb.
[  779.615641] blackhole_netdev_xmit(): Dropping skb.
[  779.615715] blackhole_netdev_xmit(): Dropping skb.
[  779.615766] blackhole_netdev_xmit(): Dropping skb.
[  779.615807] blackhole_netdev_xmit(): Dropping skb.
[ 1051.495017] blackhole_netdev_xmit(): Dropping skb.
[ 1051.495100] blackhole_netdev_xmit(): Dropping skb.
[ 1051.495151] blackhole_netdev_xmit(): Dropping skb.
[ 1051.495198] blackhole_netdev_xmit(): Dropping skb.
[ 1155.576284] blackhole_netdev_xmit(): Dropping skb.
[ 1155.576378] blackhole_netdev_xmit(): Dropping skb.
[ 1155.576446] blackhole_netdev_xmit(): Dropping skb.
[ 1155.576500] blackhole_netdev_xmit(): Dropping skb.