[    1.757755] ip (247) used greatest stack depth: 12304 bytes left
[    2.323437] ip (281) used greatest stack depth: 12272 bytes left
[   14.482898] mpls_gso: MPLS GSO support
[   15.349230] ip (1444) used greatest stack depth: 12144 bytes left
[  672.903711] blackhole_netdev_xmit(): Dropping skb.
[  672.903783] blackhole_netdev_xmit(): Dropping skb.
[  672.903818] blackhole_netdev_xmit(): Dropping skb.
[  672.903855] blackhole_netdev_xmit(): Dropping skb.
[ 1152.769023] blackhole_netdev_xmit(): Dropping skb.
[ 1152.769106] blackhole_netdev_xmit(): Dropping skb.
[ 1152.769144] blackhole_netdev_xmit(): Dropping skb.
[ 1152.769178] blackhole_netdev_xmit(): Dropping skb.