[    2.476703] ip (285) used greatest stack depth: 12272 bytes left
[   14.256012] mpls_gso: MPLS GSO support
[   24.017443] ip (2570) used greatest stack depth: 12000 bytes left
[ 1201.455271] blackhole_netdev_xmit(): Dropping skb.
[ 1201.455333] blackhole_netdev_xmit(): Dropping skb.
[ 1201.455366] blackhole_netdev_xmit(): Dropping skb.
[ 1201.455400] blackhole_netdev_xmit(): Dropping skb.