ICMPv6: NA: aa:aa:aa:aa:aa:1c advertised our address fe80::1c on veth1_to_bridge!
ICMPv6: NA: aa:aa:aa:aa:aa:1c advertised our address fe80::1c on veth1_to_bridge!
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P2/1:b..l
rcu: 	(detected by 0, t=10503 jiffies, g=132669, q=1574 ncpus=2)
task:kthreadd        state:R  running task     stack:24736 pid:2     tgid:2     ppid:0      task_flags:0x208040 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5325 [inline]
 __schedule+0x1798/0x4cc0 kernel/sched/core.c:6929
 preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7256
 irqentry_exit+0x6f/0x90 kernel/entry/common.c:211
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:lock_acquire+0x175/0x360 kernel/locking/lockdep.c:5872
Code: 00 00 00 00 9c 8f 44 24 30 f7 44 24 30 00 02 00 00 0f 85 cd 00 00 00 f7 44 24 08 00 02 00 00 74 01 fb 65 48 8b 05 5b cd d1 10 <48> 3b 44 24 58 0f 85 f2 00 00 00 48 83 c4 60 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc900000771d8 EFLAGS: 00000206
RAX: 6389353889cf1c00 RBX: 0000000000000000 RCX: 6389353889cf1c00
RDX: 0000000000000000 RSI: ffffffff8d8fc68c RDI: ffffffff8bbf08e0
RBP: ffffffff81738c45 R08: 0000000000000000 R09: ffffffff81738c45
R10: ffffc90000077398 R11: ffffffff81ac2e10 R12: 0000000000000002
R13: ffffffff8df3d6e0 R14: 0000000000000000 R15: 0000000000000246
 rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
 rcu_read_lock include/linux/rcupdate.h:867 [inline]
 class_rcu_constructor include/linux/rcupdate.h:1195 [inline]
 unwind_next_frame+0xc2/0x2390 arch/x86/kernel/unwind_orc.c:479
 arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
 save_stack+0xf5/0x1f0 mm/page_owner.c:156
 __reset_page_owner+0x71/0x1f0 mm/page_owner.c:311
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1394 [inline]
 __free_frozen_pages+0xbc4/0xd30 mm/page_alloc.c:2901
 discard_slab mm/slub.c:3330 [inline]
 __put_partials+0x146/0x170 mm/slub.c:3876
 put_cpu_partial+0x1f2/0x2e0 mm/slub.c:3951
 __slab_free+0x2b9/0x390 mm/slub.c:5929
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x97/0x140 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:352
 kasan_slab_alloc include/linux/kasan.h:252 [inline]
 slab_post_alloc_hook mm/slub.c:4978 [inline]
 slab_alloc_node mm/slub.c:5288 [inline]
 kmem_cache_alloc_noprof+0x367/0x6e0 mm/slub.c:5295
 copy_sighand+0x50/0x230 kernel/fork.c:1611
 copy_process+0x165f/0x3c00 kernel/fork.c:2175
 kernel_clone+0x21e/0x840 kernel/fork.c:2609
 kernel_thread+0x10d/0x160 kernel/fork.c:2670
 create_kthread kernel/kthread.c:486 [inline]
 kthreadd+0x575/0x770 kernel/kthread.c:846
 ret_from_fork+0x4bc/0x870 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
ICMPv6: NA: aa:aa:aa:aa:aa:1c advertised our address fe80::1c on veth1_to_bridge!
ICMPv6: NA: aa:aa:aa:aa:aa:1c advertised our address fe80::1c on veth1_to_bridge!
ICMPv6: NA: aa:aa:aa:aa:aa:1c advertised our address fe80::1c on veth1_to_bridge!
ICMPv6: NA: aa:aa:aa:aa:aa:1c advertised our address fe80::1c on veth1_to_bridge!
ICMPv6: NA: aa:aa:aa:aa:aa:1c advertised our address fe80::1c on veth1_to_bridge!
ICMPv6: NA: aa:aa:aa:aa:aa:1c advertised our address fe80::1c on veth1_to_bridge!
ICMPv6: NA: aa:aa:aa:aa:aa:1c advertised our address fe80::1c on veth1_to_bridge!
ICMPv6: NA: aa:aa:aa:aa:aa:1c advertised our address fe80::1c on veth1_to_bridge!
ICMPv6: NA: aa:aa:aa:aa:aa:1c advertised our address fe80::1c on veth1_to_bridge!
ICMPv6: NA: aa:aa:aa:aa:aa:1c advertised our address fe80::1c on veth1_to_bridge!