[ 2.578472] ip (282) used greatest stack depth: 12344 bytes left [ 15.415568] mpls_gso: MPLS GSO support [ 16.581144] ip (1416) used greatest stack depth: 12192 bytes left [ 744.664428] blackhole_netdev_xmit(): Dropping skb. [ 744.664505] blackhole_netdev_xmit(): Dropping skb. [ 744.664552] blackhole_netdev_xmit(): Dropping skb. [ 744.664586] blackhole_netdev_xmit(): Dropping skb. [ 874.179328] blackhole_netdev_xmit(): Dropping skb. [ 874.179402] blackhole_netdev_xmit(): Dropping skb. [ 874.179449] blackhole_netdev_xmit(): Dropping skb. [ 874.179495] blackhole_netdev_xmit(): Dropping skb. [ 982.910566] blackhole_netdev_xmit(): Dropping skb. [ 982.910629] blackhole_netdev_xmit(): Dropping skb. [ 982.910664] blackhole_netdev_xmit(): Dropping skb. [ 982.910699] blackhole_netdev_xmit(): Dropping skb.