[    2.036536] ip (258) used greatest stack depth: 12944 bytes left
[    2.661335] ip (292) used greatest stack depth: 12360 bytes left
[   15.496023] mpls_gso: MPLS GSO support
[  972.653618] blackhole_netdev_xmit(): Dropping skb.
[  972.653688] blackhole_netdev_xmit(): Dropping skb.
[  972.653724] blackhole_netdev_xmit(): Dropping skb.
[  972.653766] blackhole_netdev_xmit(): Dropping skb.
[ 1041.238690] blackhole_netdev_xmit(): Dropping skb.
[ 1041.238761] blackhole_netdev_xmit(): Dropping skb.
[ 1041.238795] blackhole_netdev_xmit(): Dropping skb.
[ 1041.238832] blackhole_netdev_xmit(): Dropping skb.
[ 1064.221887] blackhole_netdev_xmit(): Dropping skb.
[ 1064.221949] blackhole_netdev_xmit(): Dropping skb.
[ 1064.221981] blackhole_netdev_xmit(): Dropping skb.
[ 1064.222015] blackhole_netdev_xmit(): Dropping skb.
[ 1145.974018] blackhole_netdev_xmit(): Dropping skb.
[ 1145.974083] blackhole_netdev_xmit(): Dropping skb.
[ 1145.974117] blackhole_netdev_xmit(): Dropping skb.
[ 1145.974161] blackhole_netdev_xmit(): Dropping skb.