[    2.655286] ip (281) used greatest stack depth: 12344 bytes left
[   17.382752] mpls_gso: MPLS GSO support
[  649.047945] ip (29986) used greatest stack depth: 12288 bytes left
[ 1046.626626] blackhole_netdev_xmit(): Dropping skb.
[ 1046.626690] blackhole_netdev_xmit(): Dropping skb.
[ 1046.626725] blackhole_netdev_xmit(): Dropping skb.
[ 1046.626766] blackhole_netdev_xmit(): Dropping skb.
[ 1164.039314] blackhole_netdev_xmit(): Dropping skb.
[ 1164.039387] blackhole_netdev_xmit(): Dropping skb.
[ 1164.039419] blackhole_netdev_xmit(): Dropping skb.
[ 1164.039452] blackhole_netdev_xmit(): Dropping skb.
[ 1173.516210] blackhole_netdev_xmit(): Dropping skb.
[ 1173.516270] blackhole_netdev_xmit(): Dropping skb.
[ 1173.516306] blackhole_netdev_xmit(): Dropping skb.
[ 1173.516346] blackhole_netdev_xmit(): Dropping skb.