[    1.631625] ip (260) used greatest stack depth: 12832 bytes left
[    1.657338] ip (263) used greatest stack depth: 12280 bytes left
[    2.073638] ip (294) used greatest stack depth: 12248 bytes left
[   11.789139] mpls_gso: MPLS GSO support
[  256.943232] hrtimer: interrupt took 3671306 ns
[  969.073380] blackhole_netdev_xmit(): Dropping skb.
[  969.073441] blackhole_netdev_xmit(): Dropping skb.
[  969.073485] blackhole_netdev_xmit(): Dropping skb.
[  969.073524] blackhole_netdev_xmit(): Dropping skb.
[ 1119.223352] blackhole_netdev_xmit(): Dropping skb.
[ 1119.223420] blackhole_netdev_xmit(): Dropping skb.
[ 1119.223463] blackhole_netdev_xmit(): Dropping skb.
[ 1119.223506] blackhole_netdev_xmit(): Dropping skb.