[    2.865365] ip (281) used greatest stack depth: 12272 bytes left
[   12.697200] ip (976) used greatest stack depth: 12248 bytes left
[   17.212975] mpls_gso: MPLS GSO support
[  638.364113] ip (24866) used greatest stack depth: 12144 bytes left
[  686.875211] blackhole_netdev_xmit(): Dropping skb.
[  686.875272] blackhole_netdev_xmit(): Dropping skb.
[  686.875306] blackhole_netdev_xmit(): Dropping skb.
[  686.875343] blackhole_netdev_xmit(): Dropping skb.
[  721.380439] blackhole_netdev_xmit(): Dropping skb.
[  721.380494] blackhole_netdev_xmit(): Dropping skb.
[  721.380526] blackhole_netdev_xmit(): Dropping skb.
[  721.380559] blackhole_netdev_xmit(): Dropping skb.