[    2.528468] ip (293) used greatest stack depth: 12272 bytes left
[   15.977245] mpls_gso: MPLS GSO support
[  761.795360] blackhole_netdev_xmit(): Dropping skb.
[  761.795434] blackhole_netdev_xmit(): Dropping skb.
[  761.795468] blackhole_netdev_xmit(): Dropping skb.
[  761.795500] blackhole_netdev_xmit(): Dropping skb.
[  967.062918] blackhole_netdev_xmit(): Dropping skb.
[  967.062998] blackhole_netdev_xmit(): Dropping skb.
[  967.063046] blackhole_netdev_xmit(): Dropping skb.
[  967.063090] blackhole_netdev_xmit(): Dropping skb.
[  983.338202] blackhole_netdev_xmit(): Dropping skb.
[  983.338259] blackhole_netdev_xmit(): Dropping skb.
[  983.338290] blackhole_netdev_xmit(): Dropping skb.
[  983.338317] blackhole_netdev_xmit(): Dropping skb.
[ 1207.498876] blackhole_netdev_xmit(): Dropping skb.
[ 1207.498964] blackhole_netdev_xmit(): Dropping skb.
[ 1207.499004] blackhole_netdev_xmit(): Dropping skb.
[ 1207.499040] blackhole_netdev_xmit(): Dropping skb.