[    2.819409] ip (285) used greatest stack depth: 12384 bytes left
[   17.386291] mpls_gso: MPLS GSO support
[  957.462705] ip (20267) used greatest stack depth: 12256 bytes left
[ 1005.251871] blackhole_netdev_xmit(): Dropping skb.
[ 1005.251948] blackhole_netdev_xmit(): Dropping skb.
[ 1005.251997] blackhole_netdev_xmit(): Dropping skb.
[ 1005.252048] blackhole_netdev_xmit(): Dropping skb.