[    1.947495] ip (252) used greatest stack depth: 12416 bytes left
[    2.569391] ip (283) used greatest stack depth: 12384 bytes left
[    8.370241] ip (681) used greatest stack depth: 12256 bytes left
[   15.619773] mpls_gso: MPLS GSO support
[  891.089235] blackhole_netdev_xmit(): Dropping skb.
[  891.089304] blackhole_netdev_xmit(): Dropping skb.
[  891.089337] blackhole_netdev_xmit(): Dropping skb.
[  891.089369] blackhole_netdev_xmit(): Dropping skb.
[  972.738663] blackhole_netdev_xmit(): Dropping skb.
[  972.738736] blackhole_netdev_xmit(): Dropping skb.
[  972.738779] blackhole_netdev_xmit(): Dropping skb.
[  972.738815] blackhole_netdev_xmit(): Dropping skb.
[ 1006.221981] blackhole_netdev_xmit(): Dropping skb.
[ 1006.222051] blackhole_netdev_xmit(): Dropping skb.
[ 1006.222096] blackhole_netdev_xmit(): Dropping skb.
[ 1006.222140] blackhole_netdev_xmit(): Dropping skb.
[ 1155.390069] blackhole_netdev_xmit(): Dropping skb.
[ 1155.390141] blackhole_netdev_xmit(): Dropping skb.
[ 1155.390177] blackhole_netdev_xmit(): Dropping skb.
[ 1155.390220] blackhole_netdev_xmit(): Dropping skb.
[ 1178.010951] blackhole_netdev_xmit(): Dropping skb.
[ 1178.011015] blackhole_netdev_xmit(): Dropping skb.
[ 1178.011052] blackhole_netdev_xmit(): Dropping skb.
[ 1178.011086] blackhole_netdev_xmit(): Dropping skb.