[    2.660579] ip (282) used greatest stack depth: 12344 bytes left
[   16.643888] mpls_gso: MPLS GSO support
[   17.869038] ip (1416) used greatest stack depth: 12288 bytes left
[  652.209110] ip (19417) used greatest stack depth: 12192 bytes left
[  978.910865] blackhole_netdev_xmit(): Dropping skb.
[  978.910922] blackhole_netdev_xmit(): Dropping skb.
[  978.910960] blackhole_netdev_xmit(): Dropping skb.
[  978.910999] blackhole_netdev_xmit(): Dropping skb.
[ 1105.833286] blackhole_netdev_xmit(): Dropping skb.
[ 1105.833357] blackhole_netdev_xmit(): Dropping skb.
[ 1105.833389] blackhole_netdev_xmit(): Dropping skb.
[ 1105.833423] blackhole_netdev_xmit(): Dropping skb.