[    1.861117] ip (252) used greatest stack depth: 12416 bytes left
[    2.391156] ip (286) used greatest stack depth: 12384 bytes left
[   14.338278] mpls_gso: MPLS GSO support
[  948.829370] blackhole_netdev_xmit(): Dropping skb.
[  948.829447] blackhole_netdev_xmit(): Dropping skb.
[  948.829495] blackhole_netdev_xmit(): Dropping skb.
[  948.829542] blackhole_netdev_xmit(): Dropping skb.
[  992.444733] blackhole_netdev_xmit(): Dropping skb.
[  992.444804] blackhole_netdev_xmit(): Dropping skb.
[  992.444851] blackhole_netdev_xmit(): Dropping skb.
[  992.444907] blackhole_netdev_xmit(): Dropping skb.
[ 1054.911977] blackhole_netdev_xmit(): Dropping skb.
[ 1054.912065] blackhole_netdev_xmit(): Dropping skb.
[ 1054.912118] blackhole_netdev_xmit(): Dropping skb.
[ 1054.912164] blackhole_netdev_xmit(): Dropping skb.