[    2.067178] ip (294) used greatest stack depth: 12248 bytes left
[   11.715581] mpls_gso: MPLS GSO support
[  804.298224] blackhole_netdev_xmit(): Dropping skb.
[  804.298282] blackhole_netdev_xmit(): Dropping skb.
[  804.298317] blackhole_netdev_xmit(): Dropping skb.
[  804.298350] blackhole_netdev_xmit(): Dropping skb.
[ 1033.114385] blackhole_netdev_xmit(): Dropping skb.
[ 1033.114453] blackhole_netdev_xmit(): Dropping skb.
[ 1033.114494] blackhole_netdev_xmit(): Dropping skb.
[ 1033.114533] blackhole_netdev_xmit(): Dropping skb.