[    2.202624] ip (251) used greatest stack depth: 12376 bytes left
[    2.837700] ip (282) used greatest stack depth: 12344 bytes left
[   18.003626] mpls_gso: MPLS GSO support
[  722.754439] blackhole_netdev_xmit(): Dropping skb.
[  722.754508] blackhole_netdev_xmit(): Dropping skb.
[  722.754550] blackhole_netdev_xmit(): Dropping skb.
[  722.754591] blackhole_netdev_xmit(): Dropping skb.
[  777.049940] blackhole_netdev_xmit(): Dropping skb.
[  777.050008] blackhole_netdev_xmit(): Dropping skb.
[  777.050045] blackhole_netdev_xmit(): Dropping skb.
[  777.050093] blackhole_netdev_xmit(): Dropping skb.
[  839.420920] blackhole_netdev_xmit(): Dropping skb.
[  839.420986] blackhole_netdev_xmit(): Dropping skb.
[  839.421041] blackhole_netdev_xmit(): Dropping skb.
[  839.421108] blackhole_netdev_xmit(): Dropping skb.
[  896.922028] blackhole_netdev_xmit(): Dropping skb.
[  896.922094] blackhole_netdev_xmit(): Dropping skb.
[  896.922144] blackhole_netdev_xmit(): Dropping skb.
[  896.922194] blackhole_netdev_xmit(): Dropping skb.
[  934.571257] blackhole_netdev_xmit(): Dropping skb.
[  934.571322] blackhole_netdev_xmit(): Dropping skb.
[  934.571367] blackhole_netdev_xmit(): Dropping skb.
[  934.571409] blackhole_netdev_xmit(): Dropping skb.