[    1.895091] ip (294) used greatest stack depth: 12272 bytes left
[   11.964601] mpls_gso: MPLS GSO support
[ 1229.460522] blackhole_netdev_xmit(): Dropping skb.
[ 1229.460608] blackhole_netdev_xmit(): Dropping skb.
[ 1229.460648] blackhole_netdev_xmit(): Dropping skb.
[ 1229.460699] blackhole_netdev_xmit(): Dropping skb.