[    2.111519] ip (246) used greatest stack depth: 12376 bytes left
[    2.869811] ip (280) used greatest stack depth: 12344 bytes left
[   17.800025] mpls_gso: MPLS GSO support
[  639.850446] ip (21157) used greatest stack depth: 12240 bytes left
[ 1175.899328] blackhole_netdev_xmit(): Dropping skb.
[ 1175.899467] blackhole_netdev_xmit(): Dropping skb.
[ 1175.899500] blackhole_netdev_xmit(): Dropping skb.
[ 1175.899531] blackhole_netdev_xmit(): Dropping skb.
[ 1200.891553] blackhole_netdev_xmit(): Dropping skb.
[ 1200.891601] blackhole_netdev_xmit(): Dropping skb.
[ 1200.891631] blackhole_netdev_xmit(): Dropping skb.
[ 1200.891662] blackhole_netdev_xmit(): Dropping skb.
[ 1225.519741] blackhole_netdev_xmit(): Dropping skb.
[ 1225.519798] blackhole_netdev_xmit(): Dropping skb.
[ 1225.519831] blackhole_netdev_xmit(): Dropping skb.
[ 1225.519875] blackhole_netdev_xmit(): Dropping skb.