[    2.557583] ip (301) used greatest stack depth: 12288 bytes left
[   16.173214] mpls_gso: MPLS GSO support
[   21.918591] ip (2210) used greatest stack depth: 12264 bytes left
[  863.933023] blackhole_netdev_xmit(): Dropping skb.
[  863.933102] blackhole_netdev_xmit(): Dropping skb.
[  863.933135] blackhole_netdev_xmit(): Dropping skb.
[  863.933167] blackhole_netdev_xmit(): Dropping skb.
[ 1030.425026] blackhole_netdev_xmit(): Dropping skb.
[ 1030.425104] blackhole_netdev_xmit(): Dropping skb.
[ 1030.425149] blackhole_netdev_xmit(): Dropping skb.
[ 1030.425194] blackhole_netdev_xmit(): Dropping skb.
[ 1129.827860] blackhole_netdev_xmit(): Dropping skb.
[ 1129.827918] blackhole_netdev_xmit(): Dropping skb.
[ 1129.827952] blackhole_netdev_xmit(): Dropping skb.
[ 1129.827988] blackhole_netdev_xmit(): Dropping skb.