[    2.525903] ip (280) used greatest stack depth: 12272 bytes left
[   14.589990] ip (1227) used greatest stack depth: 12112 bytes left
[   15.733195] mpls_gso: MPLS GSO support
[  664.278187] blackhole_netdev_xmit(): Dropping skb.
[  664.278252] blackhole_netdev_xmit(): Dropping skb.
[  664.278283] blackhole_netdev_xmit(): Dropping skb.
[  664.278310] blackhole_netdev_xmit(): Dropping skb.
[ 1235.896082] blackhole_netdev_xmit(): Dropping skb.
[ 1235.896168] blackhole_netdev_xmit(): Dropping skb.
[ 1235.896219] blackhole_netdev_xmit(): Dropping skb.
[ 1235.896259] blackhole_netdev_xmit(): Dropping skb.