[    1.572474] ip (258) used greatest stack depth: 12264 bytes left
[    1.997611] ip (292) used greatest stack depth: 12232 bytes left
[   12.261477] mpls_gso: MPLS GSO support
[ 1090.814706] blackhole_netdev_xmit(): Dropping skb.
[ 1090.814764] blackhole_netdev_xmit(): Dropping skb.
[ 1090.814808] blackhole_netdev_xmit(): Dropping skb.
[ 1090.814852] blackhole_netdev_xmit(): Dropping skb.