[    1.510420] ip (261) used greatest stack depth: 12288 bytes left
[    1.831387] ip (292) used greatest stack depth: 12272 bytes left
[   10.380163] mpls_gso: MPLS GSO support
[   13.991011] ip (2217) used greatest stack depth: 12112 bytes left
[ 1110.707482] blackhole_netdev_xmit(): Dropping skb.
[ 1110.707572] blackhole_netdev_xmit(): Dropping skb.
[ 1110.707620] blackhole_netdev_xmit(): Dropping skb.
[ 1110.707665] blackhole_netdev_xmit(): Dropping skb.