[    1.780476] ip (259) used greatest stack depth: 12280 bytes left
[    2.252241] ip (293) used greatest stack depth: 12248 bytes left
[   12.168248] mpls_gso: MPLS GSO support
[  704.915455] blackhole_netdev_xmit(): Dropping skb.
[  704.915590] blackhole_netdev_xmit(): Dropping skb.
[  704.915640] blackhole_netdev_xmit(): Dropping skb.
[  704.915685] blackhole_netdev_xmit(): Dropping skb.
[  756.046581] blackhole_netdev_xmit(): Dropping skb.
[  756.046676] blackhole_netdev_xmit(): Dropping skb.
[  756.046727] blackhole_netdev_xmit(): Dropping skb.
[  756.046808] blackhole_netdev_xmit(): Dropping skb.
[  892.870946] blackhole_netdev_xmit(): Dropping skb.
[  892.871056] blackhole_netdev_xmit(): Dropping skb.
[  892.871110] blackhole_netdev_xmit(): Dropping skb.
[  892.871172] blackhole_netdev_xmit(): Dropping skb.