[ 28.508150] ip (295) used greatest stack depth: 12248 bytes left [ 38.740761] mpls_gso: MPLS GSO support [ 734.547116] blackhole_netdev_xmit(): Dropping skb. [ 734.547183] blackhole_netdev_xmit(): Dropping skb. [ 734.547231] blackhole_netdev_xmit(): Dropping skb. [ 734.547270] blackhole_netdev_xmit(): Dropping skb. [ 932.477957] blackhole_netdev_xmit(): Dropping skb. [ 932.478081] blackhole_netdev_xmit(): Dropping skb. [ 932.478157] blackhole_netdev_xmit(): Dropping skb. [ 932.478237] blackhole_netdev_xmit(): Dropping skb. [ 1135.557711] blackhole_netdev_xmit(): Dropping skb. [ 1135.557787] blackhole_netdev_xmit(): Dropping skb. [ 1135.557830] blackhole_netdev_xmit(): Dropping skb. [ 1135.557864] blackhole_netdev_xmit(): Dropping skb. [ 1170.680690] blackhole_netdev_xmit(): Dropping skb. [ 1170.680766] blackhole_netdev_xmit(): Dropping skb. [ 1170.680817] blackhole_netdev_xmit(): Dropping skb. [ 1170.680871] blackhole_netdev_xmit(): Dropping skb. [ 1198.005730] blackhole_netdev_xmit(): Dropping skb. [ 1198.005811] blackhole_netdev_xmit(): Dropping skb. [ 1198.005860] blackhole_netdev_xmit(): Dropping skb. [ 1198.005909] blackhole_netdev_xmit(): Dropping skb.