[    1.797205] ip (254) used greatest stack depth: 12304 bytes left
[    2.292017] ip (282) used greatest stack depth: 12272 bytes left
[    5.473203] ip (451) used greatest stack depth: 12248 bytes left
[   12.148856] ip (1123) used greatest stack depth: 12016 bytes left
[   14.446450] mpls_gso: MPLS GSO support
[ 1076.274015] blackhole_netdev_xmit(): Dropping skb.
[ 1076.274092] blackhole_netdev_xmit(): Dropping skb.
[ 1076.274125] blackhole_netdev_xmit(): Dropping skb.
[ 1076.274159] blackhole_netdev_xmit(): Dropping skb.
[ 1158.362671] blackhole_netdev_xmit(): Dropping skb.
[ 1158.362740] blackhole_netdev_xmit(): Dropping skb.
[ 1158.362781] blackhole_netdev_xmit(): Dropping skb.
[ 1158.362825] blackhole_netdev_xmit(): Dropping skb.
[ 1248.444281] blackhole_netdev_xmit(): Dropping skb.
[ 1248.444344] blackhole_netdev_xmit(): Dropping skb.
[ 1248.444384] blackhole_netdev_xmit(): Dropping skb.
[ 1248.444422] blackhole_netdev_xmit(): Dropping skb.