[    2.223470] ip (292) used greatest stack depth: 12248 bytes left
[   12.996096] mpls_gso: MPLS GSO support
[ 1031.307957] blackhole_netdev_xmit(): Dropping skb.
[ 1031.308018] blackhole_netdev_xmit(): Dropping skb.
[ 1031.308061] blackhole_netdev_xmit(): Dropping skb.
[ 1031.308097] blackhole_netdev_xmit(): Dropping skb.