[    2.112989] ip (250) used greatest stack depth: 12304 bytes left
[    2.778435] ip (281) used greatest stack depth: 12272 bytes left
[   16.136320] mpls_gso: MPLS GSO support
[  961.461285] blackhole_netdev_xmit(): Dropping skb.
[  961.461347] blackhole_netdev_xmit(): Dropping skb.
[  961.461379] blackhole_netdev_xmit(): Dropping skb.
[  961.461411] blackhole_netdev_xmit(): Dropping skb.
[  995.312927] blackhole_netdev_xmit(): Dropping skb.
[  995.312990] blackhole_netdev_xmit(): Dropping skb.
[  995.313021] blackhole_netdev_xmit(): Dropping skb.
[  995.313056] blackhole_netdev_xmit(): Dropping skb.
[ 1050.968676] blackhole_netdev_xmit(): Dropping skb.
[ 1050.968763] blackhole_netdev_xmit(): Dropping skb.
[ 1050.968811] blackhole_netdev_xmit(): Dropping skb.
[ 1050.968853] blackhole_netdev_xmit(): Dropping skb.
[ 1072.265594] blackhole_netdev_xmit(): Dropping skb.
[ 1072.265655] blackhole_netdev_xmit(): Dropping skb.
[ 1072.265691] blackhole_netdev_xmit(): Dropping skb.
[ 1072.265727] blackhole_netdev_xmit(): Dropping skb.