[    2.075223] ip (246) used greatest stack depth: 12288 bytes left
[    2.674159] ip (280) used greatest stack depth: 12272 bytes left
[   16.150672] mpls_gso: MPLS GSO support
[  967.733219] blackhole_netdev_xmit(): Dropping skb.
[  967.733282] blackhole_netdev_xmit(): Dropping skb.
[  967.733322] blackhole_netdev_xmit(): Dropping skb.
[  967.733364] blackhole_netdev_xmit(): Dropping skb.
[ 1200.904559] blackhole_netdev_xmit(): Dropping skb.
[ 1200.904632] blackhole_netdev_xmit(): Dropping skb.
[ 1200.904672] blackhole_netdev_xmit(): Dropping skb.
[ 1200.904710] blackhole_netdev_xmit(): Dropping skb.