[    2.606432] ip (282) used greatest stack depth: 12344 bytes left
[   15.332043] mpls_gso: MPLS GSO support
[   15.622608] ip (1410) used greatest stack depth: 12328 bytes left
[ 1170.741682] blackhole_netdev_xmit(): Dropping skb.
[ 1170.741743] blackhole_netdev_xmit(): Dropping skb.
[ 1170.741773] blackhole_netdev_xmit(): Dropping skb.
[ 1170.741805] blackhole_netdev_xmit(): Dropping skb.
[ 1196.229167] blackhole_netdev_xmit(): Dropping skb.
[ 1196.229216] blackhole_netdev_xmit(): Dropping skb.
[ 1196.229245] blackhole_netdev_xmit(): Dropping skb.
[ 1196.229271] blackhole_netdev_xmit(): Dropping skb.