[    2.634552] ip (279) used greatest stack depth: 12360 bytes left
[    6.007824] ip (448) used greatest stack depth: 12344 bytes left
[    9.854161] ip (775) used greatest stack depth: 12328 bytes left
[   16.167411] mpls_gso: MPLS GSO support
[ 1102.143842] blackhole_netdev_xmit(): Dropping skb.
[ 1102.143956] blackhole_netdev_xmit(): Dropping skb.
[ 1102.143992] blackhole_netdev_xmit(): Dropping skb.
[ 1102.144026] blackhole_netdev_xmit(): Dropping skb.
[ 1132.526090] blackhole_netdev_xmit(): Dropping skb.
[ 1132.526152] blackhole_netdev_xmit(): Dropping skb.
[ 1132.526188] blackhole_netdev_xmit(): Dropping skb.
[ 1132.526224] blackhole_netdev_xmit(): Dropping skb.