[ 2.540867] ip (280) used greatest stack depth: 12272 bytes left [ 15.851989] mpls_gso: MPLS GSO support [ 329.006122] ip (10410) used greatest stack depth: 12248 bytes left [ 782.751338] blackhole_netdev_xmit(): Dropping skb. [ 782.751394] blackhole_netdev_xmit(): Dropping skb. [ 782.751425] blackhole_netdev_xmit(): Dropping skb. [ 782.751451] blackhole_netdev_xmit(): Dropping skb. [ 922.058267] blackhole_netdev_xmit(): Dropping skb. [ 922.058331] blackhole_netdev_xmit(): Dropping skb. [ 922.058364] blackhole_netdev_xmit(): Dropping skb. [ 922.058396] blackhole_netdev_xmit(): Dropping skb. [ 930.612451] blackhole_netdev_xmit(): Dropping skb. [ 930.612535] blackhole_netdev_xmit(): Dropping skb. [ 930.612587] blackhole_netdev_xmit(): Dropping skb. [ 930.612641] blackhole_netdev_xmit(): Dropping skb.