[    2.136124] ip (294) used greatest stack depth: 12248 bytes left
[   11.782656] mpls_gso: MPLS GSO support
[  636.663545] ip (6393) used greatest stack depth: 12232 bytes left
[ 1022.314158] blackhole_netdev_xmit(): Dropping skb.
[ 1022.314254] blackhole_netdev_xmit(): Dropping skb.
[ 1022.314302] blackhole_netdev_xmit(): Dropping skb.
[ 1022.314362] blackhole_netdev_xmit(): Dropping skb.
[ 1187.665968] blackhole_netdev_xmit(): Dropping skb.
[ 1187.666040] blackhole_netdev_xmit(): Dropping skb.
[ 1187.666082] blackhole_netdev_xmit(): Dropping skb.
[ 1187.666119] blackhole_netdev_xmit(): Dropping skb.
[ 1227.625997] blackhole_netdev_xmit(): Dropping skb.
[ 1227.626059] blackhole_netdev_xmit(): Dropping skb.
[ 1227.626098] blackhole_netdev_xmit(): Dropping skb.
[ 1227.626133] blackhole_netdev_xmit(): Dropping skb.