[ 2.457359] ip (281) used greatest stack depth: 12360 bytes left [ 2.503535] ip (285) used greatest stack depth: 12344 bytes left [ 14.629135] mpls_gso: MPLS GSO support [ 954.416006] ip (23475) used greatest stack depth: 12192 bytes left [ 1110.919262] blackhole_netdev_xmit(): Dropping skb. [ 1110.919333] blackhole_netdev_xmit(): Dropping skb. [ 1110.919372] blackhole_netdev_xmit(): Dropping skb. [ 1110.919426] blackhole_netdev_xmit(): Dropping skb.