[    2.007648] ip (294) used greatest stack depth: 12248 bytes left
[   10.252653] mpls_gso: MPLS GSO support
[   17.615222] ip (2554) used greatest stack depth: 12232 bytes left
[  630.080802] ip (12453) used greatest stack depth: 12104 bytes left
[  645.215224] blackhole_netdev_xmit(): Dropping skb.
[  645.215316] blackhole_netdev_xmit(): Dropping skb.
[  645.215368] blackhole_netdev_xmit(): Dropping skb.
[  645.215424] blackhole_netdev_xmit(): Dropping skb.
[  707.619205] blackhole_netdev_xmit(): Dropping skb.
[  707.619273] blackhole_netdev_xmit(): Dropping skb.
[  707.619324] blackhole_netdev_xmit(): Dropping skb.
[  707.619372] blackhole_netdev_xmit(): Dropping skb.
[ 1031.982600] blackhole_netdev_xmit(): Dropping skb.
[ 1031.982672] blackhole_netdev_xmit(): Dropping skb.
[ 1031.982731] blackhole_netdev_xmit(): Dropping skb.
[ 1031.982783] blackhole_netdev_xmit(): Dropping skb.
[ 1072.142259] blackhole_netdev_xmit(): Dropping skb.
[ 1072.142317] blackhole_netdev_xmit(): Dropping skb.
[ 1072.142358] blackhole_netdev_xmit(): Dropping skb.
[ 1072.142397] blackhole_netdev_xmit(): Dropping skb.