[    2.011567] ip (251) used greatest stack depth: 12376 bytes left
[    2.603503] ip (282) used greatest stack depth: 12344 bytes left
[    5.574524] ip (417) used greatest stack depth: 12328 bytes left
[   16.408883] mpls_gso: MPLS GSO support
[  807.414918] blackhole_netdev_xmit(): Dropping skb.
[  807.414993] blackhole_netdev_xmit(): Dropping skb.
[  807.415026] blackhole_netdev_xmit(): Dropping skb.
[  807.415059] blackhole_netdev_xmit(): Dropping skb.
[  840.641306] blackhole_netdev_xmit(): Dropping skb.
[  840.641396] blackhole_netdev_xmit(): Dropping skb.
[  840.641447] blackhole_netdev_xmit(): Dropping skb.
[  840.641495] blackhole_netdev_xmit(): Dropping skb.
[  914.007334] blackhole_netdev_xmit(): Dropping skb.
[  914.007388] blackhole_netdev_xmit(): Dropping skb.
[  914.007419] blackhole_netdev_xmit(): Dropping skb.
[  914.007453] blackhole_netdev_xmit(): Dropping skb.