[    1.673207] ip (259) used greatest stack depth: 12832 bytes left
[    1.679063] mktemp (260) used greatest stack depth: 12824 bytes left
[    2.085951] ip (293) used greatest stack depth: 12248 bytes left
[   10.834607] mpls_gso: MPLS GSO support
[ 1224.285805] blackhole_netdev_xmit(): Dropping skb.
[ 1224.285892] blackhole_netdev_xmit(): Dropping skb.
[ 1224.285972] blackhole_netdev_xmit(): Dropping skb.
[ 1224.286039] blackhole_netdev_xmit(): Dropping skb.