[    1.967156] ip (247) used greatest stack depth: 12376 bytes left
[    2.606457] ip (281) used greatest stack depth: 12360 bytes left
[    2.815949] ip (295) used greatest stack depth: 12344 bytes left
[   14.262689] ip (1147) used greatest stack depth: 12328 bytes left
[   16.295820] mpls_gso: MPLS GSO support
[  906.172787] blackhole_netdev_xmit(): Dropping skb.
[  906.172888] blackhole_netdev_xmit(): Dropping skb.
[  906.172963] blackhole_netdev_xmit(): Dropping skb.
[  906.173018] blackhole_netdev_xmit(): Dropping skb.
[ 1061.364656] blackhole_netdev_xmit(): Dropping skb.
[ 1061.364709] blackhole_netdev_xmit(): Dropping skb.
[ 1061.364741] blackhole_netdev_xmit(): Dropping skb.
[ 1061.364769] blackhole_netdev_xmit(): Dropping skb.
[ 1101.002395] blackhole_netdev_xmit(): Dropping skb.
[ 1101.002454] blackhole_netdev_xmit(): Dropping skb.
[ 1101.002495] blackhole_netdev_xmit(): Dropping skb.
[ 1101.002534] blackhole_netdev_xmit(): Dropping skb.