[  199.412197] mpls_gso: MPLS GSO support
[  206.427175] ip (9962) used greatest stack depth: 12192 bytes left
[  840.594863] blackhole_netdev_xmit(): Dropping skb.
[  840.594930] blackhole_netdev_xmit(): Dropping skb.
[  840.594964] blackhole_netdev_xmit(): Dropping skb.
[  840.595008] blackhole_netdev_xmit(): Dropping skb.