bridge0: port 1(bridge_slave_0) entered blocking state
bridge0: port 1(bridge_slave_0) entered disabled state
device bridge_slave_0 entered promiscuous mode
list_del corruption. next->prev should be ffff888199babdb0, but was ffff8881d1fea6f0
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:56!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 7 Comm: kworker/u4:0 Not tainted 4.20.0-rc6-next-20181210+ #164
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: netns cleanup_net
RIP: 0010:__list_del_entry_valid.cold.1+0x37/0x4a lib/list_debug.c:54
Code: e8 36 1f d2 fd 0f 0b 4c 89 ea 48 89 de 48 c7 c7 60 e4 80 88 e8 22 1f d2 fd 0f 0b 48 89 de 48 c7 c7 c0 e5 80 88 e8 11 1f d2 fd <0f> 0b 48 89 de 48 c7 c7 60 e5 80 88 e8 00 1f d2 fd 0f 0b 48 89 d9
RSP: 0018:ffff8881d9ae63f0 EFLAGS: 00010282
RAX: 0000000000000054 RBX: ffff888199babdb0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff816621c5 RDI: 0000000000000005
RBP: ffff8881d9ae6408 R08: ffff8881d9ada1c0 R09: ffffed103b585020
R10: ffffed103b585020 R11: ffff8881dac28107 R12: ffff8881d3387930
R13: ffffffff8a1dca60 R14: ffff8881d9ae6510 R15: 1ffff1103b35cc8a
FS:  0000000000000000(0000) GS:ffff8881dac00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f565ed6ba8c CR3: 00000001c2159000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 __list_del_entry include/linux/list.h:117 [inline]
 list_del_init include/linux/list.h:159 [inline]
 neigh_mark_dead+0x13b/0x410 net/core/neighbour.c:125
 neigh_flush_dev+0x3a1/0x960 net/core/neighbour.c:290
 __neigh_ifdown+0x44/0x2c0 net/core/neighbour.c:328
 neigh_ifdown+0x1f/0x30 net/core/neighbour.c:345
 rt6_disable_ip+0x5b8/0x720 net/ipv6/route.c:4046
 addrconf_ifdown+0x168/0x1650 net/ipv6/addrconf.c:3669
 addrconf_notify+0x6de/0x2770 net/ipv6/addrconf.c:3594
 notifier_call_chain+0x17e/0x380 kernel/notifier.c:93
 __raw_notifier_call_chain kernel/notifier.c:394 [inline]
 raw_notifier_call_chain+0x2d/0x40 kernel/notifier.c:401
 call_netdevice_notifiers_info+0x3f/0x90 net/core/dev.c:1737
 call_netdevice_notifiers_extack net/core/dev.c:1749 [inline]
 call_netdevice_notifiers net/core/dev.c:1763 [inline]
 dev_close_many+0x443/0x8b0 net/core/dev.c:1507
 rollback_registered_many+0x543/0x1260 net/core/dev.c:8041
 unregister_netdevice_many+0xfa/0x4c0 net/core/dev.c:9169
 vti6_exit_batch_net+0x4f3/0x730 net/ipv6/ip6_vti.c:1151
 ops_exit_list.isra.5+0x105/0x160 net/core/net_namespace.c:156
 cleanup_net+0x555/0xb10 net/core/net_namespace.c:551
 process_one_work+0xc90/0x1c40 kernel/workqueue.c:2153
 worker_thread+0x17f/0x1390 kernel/workqueue.c:2296
 kthread+0x35a/0x440 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Modules linked in:
---[ end trace 0bce217f863ca2f3 ]---
RIP: 0010:__list_del_entry_valid.cold.1+0x37/0x4a lib/list_debug.c:54
Code: e8 36 1f d2 fd 0f 0b 4c 89 ea 48 89 de 48 c7 c7 60 e4 80 88 e8 22 1f d2 fd 0f 0b 48 89 de 48 c7 c7 c0 e5 80 88 e8 11 1f d2 fd <0f> 0b 48 89 de 48 c7 c7 60 e5 80 88 e8 00 1f d2 fd 0f 0b 48 89 d9
RSP: 0018:ffff8881d9ae63f0 EFLAGS: 00010282
RAX: 0000000000000054 RBX: ffff888199babdb0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff816621c5 RDI: 0000000000000005
RBP: ffff8881d9ae6408 R08: ffff8881d9ada1c0 R09: ffffed103b585020
R10: ffffed103b585020 R11: ffff8881dac28107 R12: ffff8881d3387930
R13: ffffffff8a1dca60 R14: ffff8881d9ae6510 R15: 1ffff1103b35cc8a
FS:  0000000000000000(0000) GS:ffff8881dac00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f565ed6ba8c CR3: 00000001c2159000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600