[    1.961223] ip (293) used greatest stack depth: 12248 bytes left
[   11.028391] mpls_gso: MPLS GSO support
[  898.179691] blackhole_netdev_xmit(): Dropping skb.
[  898.179824] blackhole_netdev_xmit(): Dropping skb.
[  898.179904] blackhole_netdev_xmit(): Dropping skb.
[  898.179977] blackhole_netdev_xmit(): Dropping skb.