[    2.805660] ip (278) used greatest stack depth: 12360 bytes left
[    3.037051] ip (292) used greatest stack depth: 12344 bytes left
[   16.570117] mpls_gso: MPLS GSO support
[   23.800287] ip (2223) used greatest stack depth: 12304 bytes left
[ 1145.779803] blackhole_netdev_xmit(): Dropping skb.
[ 1145.779882] blackhole_netdev_xmit(): Dropping skb.
[ 1145.779921] blackhole_netdev_xmit(): Dropping skb.
[ 1145.779964] blackhole_netdev_xmit(): Dropping skb.