[   12.212928] mpls_gso: MPLS GSO support
[  626.901502] ip (6730) used greatest stack depth: 12136 bytes left
[ 1058.808999] blackhole_netdev_xmit(): Dropping skb.
[ 1058.809073] blackhole_netdev_xmit(): Dropping skb.
[ 1058.809134] blackhole_netdev_xmit(): Dropping skb.
[ 1058.809189] blackhole_netdev_xmit(): Dropping skb.
[ 1213.565900] blackhole_netdev_xmit(): Dropping skb.
[ 1213.566000] blackhole_netdev_xmit(): Dropping skb.
[ 1213.566051] blackhole_netdev_xmit(): Dropping skb.
[ 1213.566099] blackhole_netdev_xmit(): Dropping skb.