[    2.103865] ip (251) used greatest stack depth: 12288 bytes left
[    2.789871] ip (282) used greatest stack depth: 12272 bytes left
[   18.148114] mpls_gso: MPLS GSO support
[  651.378063] ip (22545) used greatest stack depth: 12248 bytes left
[  819.540032] blackhole_netdev_xmit(): Dropping skb.
[  819.540102] blackhole_netdev_xmit(): Dropping skb.
[  819.540134] blackhole_netdev_xmit(): Dropping skb.
[  819.540168] blackhole_netdev_xmit(): Dropping skb.