[ 15.998541] mpls_gso: MPLS GSO support [ 28.763472] ip (2612) used greatest stack depth: 12192 bytes left [ 773.695121] blackhole_netdev_xmit(): Dropping skb. [ 773.695187] blackhole_netdev_xmit(): Dropping skb. [ 773.695223] blackhole_netdev_xmit(): Dropping skb. [ 773.695259] blackhole_netdev_xmit(): Dropping skb. [ 1189.374401] blackhole_netdev_xmit(): Dropping skb. [ 1189.374488] blackhole_netdev_xmit(): Dropping skb. [ 1189.374535] blackhole_netdev_xmit(): Dropping skb. [ 1189.374584] blackhole_netdev_xmit(): Dropping skb.