[    1.896616] ip (260) used greatest stack depth: 12784 bytes left
[    2.348831] ip (294) used greatest stack depth: 12200 bytes left
[   12.397215] mpls_gso: MPLS GSO support
[  912.409857] blackhole_netdev_xmit(): Dropping skb.
[  912.409919] blackhole_netdev_xmit(): Dropping skb.
[  912.409962] blackhole_netdev_xmit(): Dropping skb.
[  912.409999] blackhole_netdev_xmit(): Dropping skb.
[ 1222.247318] blackhole_netdev_xmit(): Dropping skb.
[ 1222.247370] blackhole_netdev_xmit(): Dropping skb.
[ 1222.247419] blackhole_netdev_xmit(): Dropping skb.
[ 1222.247457] blackhole_netdev_xmit(): Dropping skb.