[    2.804109] ip (279) used greatest stack depth: 12344 bytes left
[   10.379553] ip (804) used greatest stack depth: 12064 bytes left
[   16.996661] mpls_gso: MPLS GSO support
[ 1252.525663] blackhole_netdev_xmit(): Dropping skb.
[ 1252.525754] blackhole_netdev_xmit(): Dropping skb.
[ 1252.525799] blackhole_netdev_xmit(): Dropping skb.
[ 1252.525854] blackhole_netdev_xmit(): Dropping skb.