[    1.650480] ip (261) used greatest stack depth: 12280 bytes left
[    2.096275] ip (295) used greatest stack depth: 12248 bytes left
[   13.115086] mpls_gso: MPLS GSO support
[  635.324955] ip (9687) used greatest stack depth: 12232 bytes left
[  797.833202] blackhole_netdev_xmit(): Dropping skb.
[  797.833307] blackhole_netdev_xmit(): Dropping skb.
[  797.833354] blackhole_netdev_xmit(): Dropping skb.
[  797.833402] blackhole_netdev_xmit(): Dropping skb.
[  876.209994] blackhole_netdev_xmit(): Dropping skb.
[  876.210073] blackhole_netdev_xmit(): Dropping skb.
[  876.210131] blackhole_netdev_xmit(): Dropping skb.
[  876.210182] blackhole_netdev_xmit(): Dropping skb.
[  961.735969] blackhole_netdev_xmit(): Dropping skb.
[  961.736079] blackhole_netdev_xmit(): Dropping skb.
[  961.736150] blackhole_netdev_xmit(): Dropping skb.
[  961.736202] blackhole_netdev_xmit(): Dropping skb.