[    2.510317] ip (279) used greatest stack depth: 12360 bytes left
[    2.710324] ip (293) used greatest stack depth: 12344 bytes left
[   15.434226] mpls_gso: MPLS GSO support
[   15.715454] ip (1407) used greatest stack depth: 12328 bytes left
[ 1121.261648] blackhole_netdev_xmit(): Dropping skb.
[ 1121.261735] blackhole_netdev_xmit(): Dropping skb.
[ 1121.261775] blackhole_netdev_xmit(): Dropping skb.
[ 1121.261829] blackhole_netdev_xmit(): Dropping skb.
[ 1200.907169] blackhole_netdev_xmit(): Dropping skb.
[ 1200.907235] blackhole_netdev_xmit(): Dropping skb.
[ 1200.907272] blackhole_netdev_xmit(): Dropping skb.
[ 1200.907309] blackhole_netdev_xmit(): Dropping skb.