[    1.944277] ip (249) used greatest stack depth: 12328 bytes left
[   14.727200] mpls_gso: MPLS GSO support
[  328.382900] ip (29721) used greatest stack depth: 12288 bytes left
[  701.772721] blackhole_netdev_xmit(): Dropping skb.
[  701.772804] blackhole_netdev_xmit(): Dropping skb.
[  701.772855] blackhole_netdev_xmit(): Dropping skb.
[  701.772905] blackhole_netdev_xmit(): Dropping skb.
[  786.999714] blackhole_netdev_xmit(): Dropping skb.
[  786.999808] blackhole_netdev_xmit(): Dropping skb.
[  786.999867] blackhole_netdev_xmit(): Dropping skb.
[  786.999924] blackhole_netdev_xmit(): Dropping skb.
[  838.512726] blackhole_netdev_xmit(): Dropping skb.
[  838.512807] blackhole_netdev_xmit(): Dropping skb.
[  838.512866] blackhole_netdev_xmit(): Dropping skb.
[  838.512925] blackhole_netdev_xmit(): Dropping skb.