[ 2.734403] ip (279) used greatest stack depth: 12272 bytes left [ 16.181315] mpls_gso: MPLS GSO support [ 828.245034] blackhole_netdev_xmit(): Dropping skb. [ 828.245103] blackhole_netdev_xmit(): Dropping skb. [ 828.245144] blackhole_netdev_xmit(): Dropping skb. [ 828.245177] blackhole_netdev_xmit(): Dropping skb. [ 958.428787] blackhole_netdev_xmit(): Dropping skb. [ 958.428842] blackhole_netdev_xmit(): Dropping skb. [ 958.428873] blackhole_netdev_xmit(): Dropping skb. [ 958.428900] blackhole_netdev_xmit(): Dropping skb. [ 1036.943634] blackhole_netdev_xmit(): Dropping skb. [ 1036.943697] blackhole_netdev_xmit(): Dropping skb. [ 1036.943728] blackhole_netdev_xmit(): Dropping skb. [ 1036.943767] blackhole_netdev_xmit(): Dropping skb.