IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready ------------[ cut here ]------------ cbs: dequeue() called with unknown port rate. WARNING: CPU: 0 PID: 2896 at net/sched/sch_cbs.c:190 cbs_dequeue_soft+0x2e7/0x440 net/sched/sch_cbs.c:190 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 2896 Comm: kworker/0:2 Not tainted 5.1.0-rc4+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: ipv6_addrconf addrconf_dad_work Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x113/0x167 lib/dump_stack.c:113 panic+0x212/0x40b kernel/panic.c:214 __warn.cold.8+0x1b/0x38 kernel/panic.c:571 report_bug+0x1a4/0x200 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:179 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:291 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973 RIP: 0010:cbs_dequeue_soft+0x2e7/0x440 net/sched/sch_cbs.c:190 Code: 4c 89 f0 5b 41 5c 41 5d 41 5e 41 5f 5d c3 80 3d 65 16 8d 03 00 75 15 48 c7 c7 80 2d 79 87 c6 05 55 16 8d 03 01 e8 3c d1 f8 fb <0f> 0b 45 31 f6 eb cb 4d 85 c0 0f 84 9b 00 00 00 48 69 c0 00 36 65 RSP: 0018:ffff88809f6d7428 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff888093b09240 RCX: 1ffff11013e201bf RDX: 1ffffffff10247e6 RSI: ffff88809f100dd8 RDI: 0000000000000282 RBP: ffff88809f6d7468 R08: 0000000000000002 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000a701d8c55 R13: ffff888093b093c0 R14: ffff888093b08dc0 R15: ffff888093b09508 cbs_dequeue+0x2f/0x40 net/sched/sch_cbs.c:242 dequeue_skb net/sched/sch_generic.c:261 [inline] qdisc_restart net/sched/sch_generic.c:364 [inline] __qdisc_run+0x163/0x1620 net/sched/sch_generic.c:382 __dev_xmit_skb net/core/dev.c:3531 [inline] __dev_queue_xmit+0x110e/0x2fb0 net/core/dev.c:3836 dev_queue_xmit+0xb/0x10 net/core/dev.c:3900 neigh_resolve_output+0x472/0x7d0 net/core/neighbour.c:1487 neigh_output include/net/neighbour.h:509 [inline] ip6_finish_output2+0xc68/0x22f0 net/ipv6/ip6_output.c:120 ip6_finish_output+0x43f/0xa50 net/ipv6/ip6_output.c:154 NF_HOOK_COND include/linux/netfilter.h:278 [inline] ip6_output+0x1bf/0x630 net/ipv6/ip6_output.c:171 dst_output include/net/dst.h:433 [inline] NF_HOOK include/linux/netfilter.h:289 [inline] ndisc_send_skb+0xcb6/0x12a0 net/ipv6/ndisc.c:491 ndisc_send_ns+0x2cb/0x7e0 net/ipv6/ndisc.c:633 addrconf_dad_work+0x9b9/0xfc0 net/ipv6/addrconf.c:4119 process_one_work+0x830/0x16a0 kernel/workqueue.c:2269 worker_thread+0x85/0xb60 kernel/workqueue.c:2415 kthread+0x324/0x3e0 kernel/kthread.c:253 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Kernel Offset: disabled Rebooting in 86400 seconds..