[    2.014137] ip (250) used greatest stack depth: 12376 bytes left
[    2.560192] ip (281) used greatest stack depth: 12344 bytes left
[   15.927712] mpls_gso: MPLS GSO support
[  709.578359] blackhole_netdev_xmit(): Dropping skb.
[  709.578414] blackhole_netdev_xmit(): Dropping skb.
[  709.578445] blackhole_netdev_xmit(): Dropping skb.
[  709.578471] blackhole_netdev_xmit(): Dropping skb.
[  828.283878] blackhole_netdev_xmit(): Dropping skb.
[  828.283938] blackhole_netdev_xmit(): Dropping skb.
[  828.283968] blackhole_netdev_xmit(): Dropping skb.
[  828.284001] blackhole_netdev_xmit(): Dropping skb.
[  881.537145] blackhole_netdev_xmit(): Dropping skb.
[  881.537193] blackhole_netdev_xmit(): Dropping skb.
[  881.537224] blackhole_netdev_xmit(): Dropping skb.
[  881.537251] blackhole_netdev_xmit(): Dropping skb.
[ 1210.038714] blackhole_netdev_xmit(): Dropping skb.
[ 1210.038779] blackhole_netdev_xmit(): Dropping skb.
[ 1210.038810] blackhole_netdev_xmit(): Dropping skb.
[ 1210.038840] blackhole_netdev_xmit(): Dropping skb.