[    2.091080] ip (246) used greatest stack depth: 12304 bytes left
[    2.791298] ip (280) used greatest stack depth: 12272 bytes left
[   14.794029] ip (1121) used greatest stack depth: 12248 bytes left
[   17.648395] mpls_gso: MPLS GSO support
[ 1032.684104] blackhole_netdev_xmit(): Dropping skb.
[ 1032.684175] blackhole_netdev_xmit(): Dropping skb.
[ 1032.684215] blackhole_netdev_xmit(): Dropping skb.
[ 1032.684251] blackhole_netdev_xmit(): Dropping skb.
[ 1204.252299] blackhole_netdev_xmit(): Dropping skb.
[ 1204.252369] blackhole_netdev_xmit(): Dropping skb.
[ 1204.252407] blackhole_netdev_xmit(): Dropping skb.
[ 1204.252444] blackhole_netdev_xmit(): Dropping skb.