[    2.558744] ip (281) used greatest stack depth: 12344 bytes left
[   16.312068] mpls_gso: MPLS GSO support
[   23.864866] ip (2274) used greatest stack depth: 12064 bytes left
[ 1084.402341] blackhole_netdev_xmit(): Dropping skb.
[ 1084.402427] blackhole_netdev_xmit(): Dropping skb.
[ 1084.402472] blackhole_netdev_xmit(): Dropping skb.
[ 1084.402516] blackhole_netdev_xmit(): Dropping skb.