[ 1.967312] ip (294) used greatest stack depth: 12248 bytes left [ 12.263772] mpls_gso: MPLS GSO support [ 12.511373] ip (1430) used greatest stack depth: 12232 bytes left [ 965.540972] blackhole_netdev_xmit(): Dropping skb. [ 965.541033] blackhole_netdev_xmit(): Dropping skb. [ 965.541072] blackhole_netdev_xmit(): Dropping skb. [ 965.541110] blackhole_netdev_xmit(): Dropping skb. [ 1110.550686] blackhole_netdev_xmit(): Dropping skb. [ 1110.550772] blackhole_netdev_xmit(): Dropping skb. [ 1110.550818] blackhole_netdev_xmit(): Dropping skb. [ 1110.550870] blackhole_netdev_xmit(): Dropping skb. [ 1151.377418] blackhole_netdev_xmit(): Dropping skb. [ 1151.377490] blackhole_netdev_xmit(): Dropping skb. [ 1151.377543] blackhole_netdev_xmit(): Dropping skb. [ 1151.377599] blackhole_netdev_xmit(): Dropping skb. [ 1222.765306] blackhole_netdev_xmit(): Dropping skb. [ 1222.765391] blackhole_netdev_xmit(): Dropping skb. [ 1222.765440] blackhole_netdev_xmit(): Dropping skb. [ 1222.765485] blackhole_netdev_xmit(): Dropping skb.