[    2.779744] ip (280) used greatest stack depth: 12272 bytes left
[   18.723045] mpls_gso: MPLS GSO support
[  662.306035] blackhole_netdev_xmit(): Dropping skb.
[  662.306115] blackhole_netdev_xmit(): Dropping skb.
[  662.306171] blackhole_netdev_xmit(): Dropping skb.
[  662.306216] blackhole_netdev_xmit(): Dropping skb.
[  691.330564] blackhole_netdev_xmit(): Dropping skb.
[  691.330651] blackhole_netdev_xmit(): Dropping skb.
[  691.330711] blackhole_netdev_xmit(): Dropping skb.
[  691.330759] blackhole_netdev_xmit(): Dropping skb.
[  950.329616] blackhole_netdev_xmit(): Dropping skb.
[  950.329674] blackhole_netdev_xmit(): Dropping skb.
[  950.329721] blackhole_netdev_xmit(): Dropping skb.
[  950.329767] blackhole_netdev_xmit(): Dropping skb.