[ 2.192192] ip (254) used greatest stack depth: 12568 bytes left [ 2.750052] ip (282) used greatest stack depth: 12360 bytes left [ 2.950189] ip (296) used greatest stack depth: 12344 bytes left [ 6.145196] clocksource: Long readout interval, skipping watchdog check: cs_nsec: 1040431499 wd_nsec: 1040431166 [ 17.136327] ip (1212) used greatest stack depth: 12192 bytes left [ 18.709447] mpls_gso: MPLS GSO support [ 677.643269] blackhole_netdev_xmit(): Dropping skb. [ 677.643428] blackhole_netdev_xmit(): Dropping skb. [ 677.643502] blackhole_netdev_xmit(): Dropping skb. [ 677.643540] blackhole_netdev_xmit(): Dropping skb. [ 772.838648] blackhole_netdev_xmit(): Dropping skb. [ 772.838721] blackhole_netdev_xmit(): Dropping skb. [ 772.838758] blackhole_netdev_xmit(): Dropping skb. [ 772.838791] blackhole_netdev_xmit(): Dropping skb. [ 778.925231] blackhole_netdev_xmit(): Dropping skb. [ 778.925294] blackhole_netdev_xmit(): Dropping skb. [ 778.925327] blackhole_netdev_xmit(): Dropping skb. [ 778.925361] blackhole_netdev_xmit(): Dropping skb. [ 939.253246] blackhole_netdev_xmit(): Dropping skb. [ 939.253302] blackhole_netdev_xmit(): Dropping skb. [ 939.253341] blackhole_netdev_xmit(): Dropping skb. [ 939.253373] blackhole_netdev_xmit(): Dropping skb.