[    1.821072] ip (247) used greatest stack depth: 12376 bytes left
[    2.398152] ip (281) used greatest stack depth: 12344 bytes left
[   15.041536] mpls_gso: MPLS GSO support
[ 1161.495832] blackhole_netdev_xmit(): Dropping skb.
[ 1161.495921] blackhole_netdev_xmit(): Dropping skb.
[ 1161.495964] blackhole_netdev_xmit(): Dropping skb.
[ 1161.496000] blackhole_netdev_xmit(): Dropping skb.
[ 1225.945095] blackhole_netdev_xmit(): Dropping skb.
[ 1225.945151] blackhole_netdev_xmit(): Dropping skb.
[ 1225.945188] blackhole_netdev_xmit(): Dropping skb.
[ 1225.945220] blackhole_netdev_xmit(): Dropping skb.