[ 2.587584] ip (281) used greatest stack depth: 12344 bytes left [ 17.044189] mpls_gso: MPLS GSO support [ 691.950880] blackhole_netdev_xmit(): Dropping skb. [ 691.951061] blackhole_netdev_xmit(): Dropping skb. [ 691.951119] blackhole_netdev_xmit(): Dropping skb. [ 691.951176] blackhole_netdev_xmit(): Dropping skb. [ 805.932798] blackhole_netdev_xmit(): Dropping skb. [ 805.932860] blackhole_netdev_xmit(): Dropping skb. [ 805.932898] blackhole_netdev_xmit(): Dropping skb. [ 805.932947] blackhole_netdev_xmit(): Dropping skb. [ 1012.147275] blackhole_netdev_xmit(): Dropping skb. [ 1012.147353] blackhole_netdev_xmit(): Dropping skb. [ 1012.147391] blackhole_netdev_xmit(): Dropping skb. [ 1012.147430] blackhole_netdev_xmit(): Dropping skb. [ 1155.617133] blackhole_netdev_xmit(): Dropping skb. [ 1155.617212] blackhole_netdev_xmit(): Dropping skb. [ 1155.617260] blackhole_netdev_xmit(): Dropping skb. [ 1155.617308] blackhole_netdev_xmit(): Dropping skb. [ 1174.647982] blackhole_netdev_xmit(): Dropping skb. [ 1174.648041] blackhole_netdev_xmit(): Dropping skb. [ 1174.648075] blackhole_netdev_xmit(): Dropping skb. [ 1174.648109] blackhole_netdev_xmit(): Dropping skb.