[    2.393838] ip (295) used greatest stack depth: 12232 bytes left
[   14.380490] mpls_gso: MPLS GSO support
[  959.767343] blackhole_netdev_xmit(): Dropping skb.
[  959.767404] blackhole_netdev_xmit(): Dropping skb.
[  959.767442] blackhole_netdev_xmit(): Dropping skb.
[  959.767478] blackhole_netdev_xmit(): Dropping skb.