[ 1530.744808][ T9977] blackhole_netdev_xmit(): Dropping skb.
[ 1530.745248][ T9977] blackhole_netdev_xmit(): Dropping skb.
[ 1530.745730][ T9977] blackhole_netdev_xmit(): Dropping skb.
[ 1530.745956][ T9977] blackhole_netdev_xmit(): Dropping skb.