[    3.753953] ip (246) used greatest stack depth: 12328 bytes left
[    4.724766] ip (284) used greatest stack depth: 12064 bytes left
[   18.866589] mpls_gso: MPLS GSO support
[  979.388192] blackhole_netdev_xmit(): Dropping skb.
[  979.388255] blackhole_netdev_xmit(): Dropping skb.
[  979.388297] blackhole_netdev_xmit(): Dropping skb.
[  979.388342] blackhole_netdev_xmit(): Dropping skb.
[ 1005.383251] blackhole_netdev_xmit(): Dropping skb.
[ 1005.383309] blackhole_netdev_xmit(): Dropping skb.
[ 1005.383349] blackhole_netdev_xmit(): Dropping skb.
[ 1005.383380] blackhole_netdev_xmit(): Dropping skb.
[ 1029.413826] blackhole_netdev_xmit(): Dropping skb.
[ 1029.413895] blackhole_netdev_xmit(): Dropping skb.
[ 1029.413945] blackhole_netdev_xmit(): Dropping skb.
[ 1029.413990] blackhole_netdev_xmit(): Dropping skb.