[    2.109989] ip (294) used greatest stack depth: 12248 bytes left
[   11.315761] mpls_gso: MPLS GSO support
[  816.788936] blackhole_netdev_xmit(): Dropping skb.
[  816.788997] blackhole_netdev_xmit(): Dropping skb.
[  816.789040] blackhole_netdev_xmit(): Dropping skb.
[  816.789075] blackhole_netdev_xmit(): Dropping skb.
[  855.885028] blackhole_netdev_xmit(): Dropping skb.
[  855.885088] blackhole_netdev_xmit(): Dropping skb.
[  855.885134] blackhole_netdev_xmit(): Dropping skb.
[  855.885169] blackhole_netdev_xmit(): Dropping skb.