[    2.804600] ip (294) used greatest stack depth: 12104 bytes left
[   16.421771] mpls_gso: MPLS GSO support
[  662.898661] blackhole_netdev_xmit(): Dropping skb.
[  662.898738] blackhole_netdev_xmit(): Dropping skb.
[  662.898778] blackhole_netdev_xmit(): Dropping skb.
[  662.898819] blackhole_netdev_xmit(): Dropping skb.
[  717.125913] blackhole_netdev_xmit(): Dropping skb.
[  717.125977] blackhole_netdev_xmit(): Dropping skb.
[  717.126017] blackhole_netdev_xmit(): Dropping skb.
[  717.126061] blackhole_netdev_xmit(): Dropping skb.
[  888.484585] blackhole_netdev_xmit(): Dropping skb.
[  888.484653] blackhole_netdev_xmit(): Dropping skb.
[  888.484686] blackhole_netdev_xmit(): Dropping skb.
[  888.484718] blackhole_netdev_xmit(): Dropping skb.
[ 1234.011266] blackhole_netdev_xmit(): Dropping skb.
[ 1234.011343] blackhole_netdev_xmit(): Dropping skb.
[ 1234.011391] blackhole_netdev_xmit(): Dropping skb.
[ 1234.011436] blackhole_netdev_xmit(): Dropping skb.