[    1.640860] ip (259) used greatest stack depth: 12280 bytes left
[    2.074506] ip (293) used greatest stack depth: 12248 bytes left
[   13.390595] mpls_gso: MPLS GSO support
[ 1046.639424] blackhole_netdev_xmit(): Dropping skb.
[ 1046.639481] blackhole_netdev_xmit(): Dropping skb.
[ 1046.639519] blackhole_netdev_xmit(): Dropping skb.
[ 1046.639556] blackhole_netdev_xmit(): Dropping skb.