[    1.890520] ip (261) used greatest stack depth: 12416 bytes left
[    2.432915] ip (293) used greatest stack depth: 12384 bytes left
[   13.908355] mpls_gso: MPLS GSO support
[  649.861842] ip (7572) used greatest stack depth: 12360 bytes left
[  793.788888] blackhole_netdev_xmit(): Dropping skb.
[  793.788953] blackhole_netdev_xmit(): Dropping skb.
[  793.788983] blackhole_netdev_xmit(): Dropping skb.
[  793.789015] blackhole_netdev_xmit(): Dropping skb.
[  897.870759] blackhole_netdev_xmit(): Dropping skb.
[  897.870816] blackhole_netdev_xmit(): Dropping skb.
[  897.870847] blackhole_netdev_xmit(): Dropping skb.
[  897.870884] blackhole_netdev_xmit(): Dropping skb.
[  924.974251] blackhole_netdev_xmit(): Dropping skb.
[  924.974317] blackhole_netdev_xmit(): Dropping skb.
[  924.974366] blackhole_netdev_xmit(): Dropping skb.
[  924.974414] blackhole_netdev_xmit(): Dropping skb.