[    2.621674] ip (281) used greatest stack depth: 12344 bytes left
[   10.563970] ip (819) used greatest stack depth: 12288 bytes left
[   16.459701] mpls_gso: MPLS GSO support
[  986.879293] blackhole_netdev_xmit(): Dropping skb.
[  986.879364] blackhole_netdev_xmit(): Dropping skb.
[  986.879394] blackhole_netdev_xmit(): Dropping skb.
[  986.879419] blackhole_netdev_xmit(): Dropping skb.
[  998.493257] blackhole_netdev_xmit(): Dropping skb.
[  998.493312] blackhole_netdev_xmit(): Dropping skb.
[  998.493344] blackhole_netdev_xmit(): Dropping skb.
[  998.493379] blackhole_netdev_xmit(): Dropping skb.
[ 1225.274226] blackhole_netdev_xmit(): Dropping skb.
[ 1225.274288] blackhole_netdev_xmit(): Dropping skb.
[ 1225.274321] blackhole_netdev_xmit(): Dropping skb.
[ 1225.274355] blackhole_netdev_xmit(): Dropping skb.