[    2.708044] ip (282) used greatest stack depth: 12064 bytes left
[   16.552397] mpls_gso: MPLS GSO support
[  888.253048] blackhole_netdev_xmit(): Dropping skb.
[  888.253110] blackhole_netdev_xmit(): Dropping skb.
[  888.253142] blackhole_netdev_xmit(): Dropping skb.
[  888.253180] blackhole_netdev_xmit(): Dropping skb.
[ 1028.793249] blackhole_netdev_xmit(): Dropping skb.
[ 1028.793325] blackhole_netdev_xmit(): Dropping skb.
[ 1028.793367] blackhole_netdev_xmit(): Dropping skb.
[ 1028.793408] blackhole_netdev_xmit(): Dropping skb.