EXT4-fs (loop2): mounting ext2 file system using the ext4 subsystem
EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 29360128)!
EXT4-fs (loop2): group descriptors corrupted!
INFO: rcu_preempt self-detected stall on CPU
	0-...: (10498 ticks this GP) idle=6c6/140000000000001/0 softirq=12288/12288 fqs=699 
	 (t=10500 jiffies g=1962 c=1961 q=1021)
rcu_preempt kthread starved for 9091 jiffies! g1962 c1961 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x402 ->cpu=1
rcu_preempt     I29776     8      2 0x80000000
Call Trace:
 context_switch kernel/sched/core.c:2807 [inline]
 __schedule+0x7b8/0x1cd0 kernel/sched/core.c:3383
 schedule+0x92/0x1c0 kernel/sched/core.c:3427
 schedule_timeout+0x43e/0xe10 kernel/time/timer.c:1744
 rcu_gp_kthread+0xbf4/0x1ec0 kernel/rcu/tree.c:2255
 kthread+0x319/0x430 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
NMI backtrace for cpu 0
CPU: 0 PID: 7 Comm: ksoftirqd/0 Not tainted 4.14.143 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x197 lib/dump_stack.c:53
 nmi_cpu_backtrace.cold+0x57/0x94 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x141/0x189 lib/nmi_backtrace.c:62
 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
 trigger_single_cpu_backtrace include/linux/nmi.h:158 [inline]
 rcu_dump_cpu_stacks+0x186/0x1d2 kernel/rcu/tree.c:1396
 print_cpu_stall kernel/rcu/tree.c:1542 [inline]
 check_cpu_stall kernel/rcu/tree.c:1610 [inline]
 __rcu_pending kernel/rcu/tree.c:3390 [inline]
 rcu_pending kernel/rcu/tree.c:3452 [inline]
 rcu_check_callbacks.cold+0x43d/0xd0a kernel/rcu/tree.c:2792
 update_process_times+0x31/0x70 kernel/time/timer.c:1588
 tick_sched_handle+0x85/0x160 kernel/time/tick-sched.c:161
 tick_sched_timer+0x43/0x130 kernel/time/tick-sched.c:1219
 __run_hrtimer kernel/time/hrtimer.c:1220 [inline]
 __hrtimer_run_queues+0x270/0xbc0 kernel/time/hrtimer.c:1284
 hrtimer_interrupt+0x1d8/0x5d0 kernel/time/hrtimer.c:1318
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1075 [inline]
 smp_apic_timer_interrupt+0x11c/0x5e0 arch/x86/kernel/apic/apic.c:1100
 apic_timer_interrupt+0x96/0xa0 arch/x86/entry/entry_64.S:792
 </IRQ>
RIP: 0010:__read_once_size include/linux/compiler.h:183 [inline]
RIP: 0010:list_empty include/linux/list.h:203 [inline]
RIP: 0010:hhf_dequeue+0x57/0xa60 net/sched/sch_hhf.c:426
RSP: 0018:ffff8880a9ceec10 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10
RAX: ffffed10152c10e8 RBX: ffff8880a96086b8 RCX: 0000000000000000
RDX: 0000000000000100 RSI: ffff8880a9608750 RDI: ffff8880a96086c0
RBP: ffff8880a9ceec60 R08: 0000000000000000 R09: ffff8880a9ce2b50
R10: ffff8880a9ce2b30 R11: ffff8880a9ce21c0 R12: dffffc0000000000
R13: ffff8880a96084c0 R14: ffff8880a9608750 R15: ffff8880a9608740
 dequeue_skb net/sched/sch_generic.c:148 [inline]
 qdisc_restart net/sched/sch_generic.c:241 [inline]
 __qdisc_run+0x2b8/0xe00 net/sched/sch_generic.c:257
 __dev_xmit_skb net/core/dev.c:3235 [inline]
 __dev_queue_xmit+0x1571/0x25e0 net/core/dev.c:3493
 dev_queue_xmit+0x18/0x20 net/core/dev.c:3558
 br_dev_queue_push_xmit+0x367/0x530 net/bridge/br_forward.c:55
 br_nf_dev_queue_xmit+0x307/0x1440 net/bridge/br_netfilter_hooks.c:776
 NF_HOOK include/linux/netfilter.h:250 [inline]
 NF_HOOK include/linux/netfilter.h:244 [inline]
 br_nf_post_routing+0xb80/0xf00 net/bridge/br_netfilter_hooks.c:822
 nf_hook_entry_hookfn include/linux/netfilter.h:108 [inline]
 nf_hook_slow+0xaf/0x1b0 net/netfilter/core.c:467
 nf_hook include/linux/netfilter.h:205 [inline]
 NF_HOOK include/linux/netfilter.h:248 [inline]
 br_forward_finish+0x1b7/0x320 net/bridge/br_forward.c:67
 br_nf_hook_thresh+0x25b/0x2e0 net/bridge/br_netfilter_hooks.c:1005
 br_nf_forward_finish+0x264/0x640 net/bridge/br_netfilter_hooks.c:550
 NF_HOOK include/linux/netfilter.h:250 [inline]
 NF_HOOK include/linux/netfilter.h:244 [inline]
 br_nf_forward_ip net/bridge/br_netfilter_hooks.c:617 [inline]
 br_nf_forward_ip+0x5fc/0x11d0 net/bridge/br_netfilter_hooks.c:561
 nf_hook_entry_hookfn include/linux/netfilter.h:108 [inline]
 nf_hook_slow+0xaf/0x1b0 net/netfilter/core.c:467
 nf_hook include/linux/netfilter.h:205 [inline]
 NF_HOOK include/linux/netfilter.h:248 [inline]
 __br_forward+0x312/0x9c0 net/bridge/br_forward.c:111
 deliver_clone+0x61/0xc0 net/bridge/br_forward.c:127
 br_flood+0x43c/0x530 net/bridge/br_forward.c:222
 br_handle_frame_finish+0xaf0/0x1830 net/bridge/br_input.c:210
 br_nf_hook_thresh+0x25b/0x2e0 net/bridge/br_netfilter_hooks.c:1005
 br_nf_pre_routing_finish_ipv6+0x621/0xc50 net/bridge/br_netfilter_ipv6.c:210
 NF_HOOK include/linux/netfilter.h:250 [inline]
 br_nf_pre_routing_ipv6+0x417/0x790 net/bridge/br_netfilter_ipv6.c:240
 br_nf_pre_routing+0xdce/0x12c7 net/bridge/br_netfilter_hooks.c:491
 nf_hook_entry_hookfn include/linux/netfilter.h:108 [inline]
 nf_hook_slow+0xaf/0x1b0 net/netfilter/core.c:467
 nf_hook include/linux/netfilter.h:205 [inline]
 NF_HOOK include/linux/netfilter.h:248 [inline]
 br_handle_frame+0x80c/0x1110 net/bridge/br_input.c:348
 __netif_receive_skb_core+0x789/0x2ca0 net/core/dev.c:4431
 __netif_receive_skb+0x2c/0x1b0 net/core/dev.c:4515
 process_backlog+0x21f/0x730 net/core/dev.c:5197
 napi_poll net/core/dev.c:5598 [inline]
 net_rx_action+0x490/0xf80 net/core/dev.c:5664
 __do_softirq+0x244/0x9a0 kernel/softirq.c:288
 run_ksoftirqd kernel/softirq.c:670 [inline]
 run_ksoftirqd+0x8c/0x1b0 kernel/softirq.c:662
 smpboot_thread_fn+0x5f4/0x960 kernel/smpboot.c:164
 kthread+0x319/0x430 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
INFO: rcu_sched self-detected stall on CPU
INFO: rcu_sched detected stalls on CPUs/tasks:
	0-...: (1 GPs behind) idle=6c6/140000000000001/0 softirq=12287/12288 fqs=695 
	
	0-...: (1 GPs behind) idle=6c6/140000000000001/0 softirq=12287/12288 fqs=695 
 (t=10559 jiffies g=1263 c=1262 q=45)
rcu_sched kthread starved for 9158 jiffies! g1263 c1262 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x402 ->cpu=1
	
rcu_sched       I
(detected by 1, t=10559 jiffies, g=1263, c=1262, q=45)
29776     9      2 0x80000000
Sending NMI from CPU 1 to CPUs 0:
Call Trace:
NMI backtrace for cpu 0
CPU: 0 PID: 7 Comm: ksoftirqd/0 Not tainted 4.14.143 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8880a9ce21c0 task.stack: ffff8880a9ce8000
RIP: 0010:io_serial_in+0x6b/0x90 drivers/tty/serial/8250/8250_port.c:451
RSP: 0018:ffff8880aee07878 EFLAGS: 00000006
RAX: dffffc0000000005 RBX: 00000000000003f9 RCX: 0000000000000000
RDX: 00000000000003f9 RSI: 0000000000000001 RDI: ffffffff89b77478
RBP: ffff8880aee07888 R08: 00000000000076b7 R09: ffffffff88cbaa38
R10: ffff8880a9ce2ba8 R11: ffff8880a9ce21c0 R12: ffffffff89b77440
R13: ffffffff89b77658 R14: ffffffff89b77488 R15: ffff8880aee07950
FS:  0000000000000000(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000b0b938 CR3: 000000000766a000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 serial_port_in include/linux/serial_core.h:260 [inline]
 serial8250_console_write+0x26f/0x930 drivers/tty/serial/8250/8250_port.c:3237
 univ8250_console_write+0x5f/0x70 drivers/tty/serial/8250/8250_core.c:597
 call_console_drivers kernel/printk/printk.c:1719 [inline]
 console_unlock+0x9ba/0xed0 kernel/printk/printk.c:2391
 vprintk_emit kernel/printk/printk.c:1917 [inline]
 vprintk_emit+0x1f9/0x600 kernel/printk/printk.c:1882
 vprintk_default+0x28/0x30 kernel/printk/printk.c:1957
 vprintk_func+0x5d/0x159 kernel/printk/printk_safe.c:401
 printk+0x9e/0xbc kernel/printk/printk.c:1990
 show_trace_log_lvl+0x4a/0x26b arch/x86/kernel/dumpstack.c:115
 show_stack+0x39/0x3b arch/x86/kernel/dumpstack.c:237
 sched_show_task kernel/sched/core.c:5167 [inline]
 sched_show_task.cold+0x2f0/0x351 kernel/sched/core.c:5142
 rcu_check_gp_kthread_starvation+0x28e/0x2c7 kernel/rcu/tree.c:1374
 print_cpu_stall kernel/rcu/tree.c:1540 [inline]
 check_cpu_stall kernel/rcu/tree.c:1610 [inline]
 __rcu_pending kernel/rcu/tree.c:3390 [inline]
 rcu_pending kernel/rcu/tree.c:3452 [inline]
 rcu_check_callbacks.cold+0x435/0xd0a kernel/rcu/tree.c:2792
 update_process_times+0x31/0x70 kernel/time/timer.c:1588
 tick_sched_handle+0x85/0x160 kernel/time/tick-sched.c:161
 tick_sched_timer+0x43/0x130 kernel/time/tick-sched.c:1219
 __run_hrtimer kernel/time/hrtimer.c:1220 [inline]
 __hrtimer_run_queues+0x270/0xbc0 kernel/time/hrtimer.c:1284
 hrtimer_interrupt+0x1d8/0x5d0 kernel/time/hrtimer.c:1318
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1075 [inline]
 smp_apic_timer_interrupt+0x11c/0x5e0 arch/x86/kernel/apic/apic.c:1100
 apic_timer_interrupt+0x96/0xa0 arch/x86/entry/entry_64.S:792
 </IRQ>
RIP: 0010:__read_once_size include/linux/compiler.h:183 [inline]
RIP: 0010:list_empty include/linux/list.h:203 [inline]
RIP: 0010:hhf_dequeue+0x57/0xa60 net/sched/sch_hhf.c:426
RSP: 0018:ffff8880a9ceec10 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10
RAX: ffffed10152c10e8 RBX: ffff8880a96086b8 RCX: 0000000000000000
RDX: 0000000000000100 RSI: ffff8880a9608750 RDI: ffff8880a96086c0
RBP: ffff8880a9ceec60 R08: 0000000000000000 R09: ffff8880a9ce2b50
R10: ffff8880a9ce2b30 R11: ffff8880a9ce21c0 R12: dffffc0000000000
R13: ffff8880a96084c0 R14: ffff8880a9608750 R15: ffff8880a9608740
 dequeue_skb net/sched/sch_generic.c:148 [inline]
 qdisc_restart net/sched/sch_generic.c:241 [inline]
 __qdisc_run+0x2b8/0xe00 net/sched/sch_generic.c:257
 __dev_xmit_skb net/core/dev.c:3235 [inline]
 __dev_queue_xmit+0x1571/0x25e0 net/core/dev.c:3493
 dev_queue_xmit+0x18/0x20 net/core/dev.c:3558
 br_dev_queue_push_xmit+0x367/0x530 net/bridge/br_forward.c:55
 br_nf_dev_queue_xmit+0x307/0x1440 net/bridge/br_netfilter_hooks.c:776
 NF_HOOK include/linux/netfilter.h:250 [inline]
 NF_HOOK include/linux/netfilter.h:244 [inline]
 br_nf_post_routing+0xb80/0xf00 net/bridge/br_netfilter_hooks.c:822
 nf_hook_entry_hookfn include/linux/netfilter.h:108 [inline]
 nf_hook_slow+0xaf/0x1b0 net/netfilter/core.c:467
 nf_hook include/linux/netfilter.h:205 [inline]
 NF_HOOK include/linux/netfilter.h:248 [inline]
 br_forward_finish+0x1b7/0x320 net/bridge/br_forward.c:67
 br_nf_hook_thresh+0x25b/0x2e0 net/bridge/br_netfilter_hooks.c:1005
 br_nf_forward_finish+0x264/0x640 net/bridge/br_netfilter_hooks.c:550
 NF_HOOK include/linux/netfilter.h:250 [inline]
 NF_HOOK include/linux/netfilter.h:244 [inline]
 br_nf_forward_ip net/bridge/br_netfilter_hooks.c:617 [inline]
 br_nf_forward_ip+0x5fc/0x11d0 net/bridge/br_netfilter_hooks.c:561
 nf_hook_entry_hookfn include/linux/netfilter.h:108 [inline]
 nf_hook_slow+0xaf/0x1b0 net/netfilter/core.c:467
 nf_hook include/linux/netfilter.h:205 [inline]
 NF_HOOK include/linux/netfilter.h:248 [inline]
 __br_forward+0x312/0x9c0 net/bridge/br_forward.c:111
 deliver_clone+0x61/0xc0 net/bridge/br_forward.c:127
 br_flood+0x43c/0x530 net/bridge/br_forward.c:222
 br_handle_frame_finish+0xaf0/0x1830 net/bridge/br_input.c:210
 br_nf_hook_thresh+0x25b/0x2e0 net/bridge/br_netfilter_hooks.c:1005
 br_nf_pre_routing_finish_ipv6+0x621/0xc50 net/bridge/br_netfilter_ipv6.c:210
 NF_HOOK include/linux/netfilter.h:250 [inline]
 br_nf_pre_routing_ipv6+0x417/0x790 net/bridge/br_netfilter_ipv6.c:240
 br_nf_pre_routing+0xdce/0x12c7 net/bridge/br_netfilter_hooks.c:491
 nf_hook_entry_hookfn include/linux/netfilter.h:108 [inline]
 nf_hook_slow+0xaf/0x1b0 net/netfilter/core.c:467
 nf_hook include/linux/netfilter.h:205 [inline]
 NF_HOOK include/linux/netfilter.h:248 [inline]
 br_handle_frame+0x80c/0x1110 net/bridge/br_input.c:348
 __netif_receive_skb_core+0x789/0x2ca0 net/core/dev.c:4431
 __netif_receive_skb+0x2c/0x1b0 net/core/dev.c:4515
 process_backlog+0x21f/0x730 net/core/dev.c:5197
 napi_poll net/core/dev.c:5598 [inline]
 net_rx_action+0x490/0xf80 net/core/dev.c:5664
 __do_softirq+0x244/0x9a0 kernel/softirq.c:288
 run_ksoftirqd kernel/softirq.c:670 [inline]
 run_ksoftirqd+0x8c/0x1b0 kernel/softirq.c:662
 smpboot_thread_fn+0x5f4/0x960 kernel/smpboot.c:164
 kthread+0x319/0x430 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: 24 d1 00 00 00 49 8d 7c 24 38 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 d3 e3 80 3c 02 00 75 17 41 03 5c 24 38 89 da ec <5b> 0f b6 c0 41 5c 5d c3 e8 28 fc 6e fe eb c2 e8 81 fc 6e fe eb 
rcu_sched kthread starved for 9158 jiffies! g1263 c1262 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x402 ->cpu=1
 context_switch kernel/sched/core.c:2807 [inline]
 __schedule+0x7b8/0x1cd0 kernel/sched/core.c:3383
rcu_sched       I
29776     9      2 0x80000000
Call Trace:
 schedule+0x92/0x1c0 kernel/sched/core.c:3427
 context_switch kernel/sched/core.c:2807 [inline]
 __schedule+0x7b8/0x1cd0 kernel/sched/core.c:3383
 schedule_timeout+0x43e/0xe10 kernel/time/timer.c:1744
 schedule+0x92/0x1c0 kernel/sched/core.c:3427
 schedule_timeout+0x43e/0xe10 kernel/time/timer.c:1744
 rcu_gp_kthread+0xbf4/0x1ec0 kernel/rcu/tree.c:2255
 kthread+0x319/0x430 kernel/kthread.c:232
 rcu_gp_kthread+0xbf4/0x1ec0 kernel/rcu/tree.c:2255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
 kthread+0x319/0x430 kernel/kthread.c:232
NMI backtrace for cpu 0
CPU: 0 PID: 7 Comm: ksoftirqd/0 Not tainted 4.14.143 #0
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x197 lib/dump_stack.c:53
 nmi_cpu_backtrace.cold+0x57/0x94 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x141/0x189 lib/nmi_backtrace.c:62
 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
 trigger_single_cpu_backtrace include/linux/nmi.h:158 [inline]
 rcu_dump_cpu_stacks+0x186/0x1d2 kernel/rcu/tree.c:1396
 print_cpu_stall kernel/rcu/tree.c:1542 [inline]
 check_cpu_stall kernel/rcu/tree.c:1610 [inline]
 __rcu_pending kernel/rcu/tree.c:3390 [inline]
 rcu_pending kernel/rcu/tree.c:3452 [inline]
 rcu_check_callbacks.cold+0x43d/0xd0a kernel/rcu/tree.c:2792
 update_process_times+0x31/0x70 kernel/time/timer.c:1588
 tick_sched_handle+0x85/0x160 kernel/time/tick-sched.c:161
 tick_sched_timer+0x43/0x130 kernel/time/tick-sched.c:1219
 __run_hrtimer kernel/time/hrtimer.c:1220 [inline]
 __hrtimer_run_queues+0x270/0xbc0 kernel/time/hrtimer.c:1284
 hrtimer_interrupt+0x1d8/0x5d0 kernel/time/hrtimer.c:1318
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1075 [inline]
 smp_apic_timer_interrupt+0x11c/0x5e0 arch/x86/kernel/apic/apic.c:1100
 apic_timer_interrupt+0x96/0xa0 arch/x86/entry/entry_64.S:792
 </IRQ>
RIP: 0010:__read_once_size include/linux/compiler.h:183 [inline]
RIP: 0010:list_empty include/linux/list.h:203 [inline]
RIP: 0010:hhf_dequeue+0x57/0xa60 net/sched/sch_hhf.c:426
RSP: 0018:ffff8880a9ceec10 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10
RAX: ffffed10152c10e8 RBX: ffff8880a96086b8 RCX: 0000000000000000
RDX: 0000000000000100 RSI: ffff8880a9608750 RDI: ffff8880a96086c0
RBP: ffff8880a9ceec60 R08: 0000000000000000 R09: ffff8880a9ce2b50
R10: ffff8880a9ce2b30 R11: ffff8880a9ce21c0 R12: dffffc0000000000
R13: ffff8880a96084c0 R14: ffff8880a9608750 R15: ffff8880a9608740
 dequeue_skb net/sched/sch_generic.c:148 [inline]
 qdisc_restart net/sched/sch_generic.c:241 [inline]
 __qdisc_run+0x2b8/0xe00 net/sched/sch_generic.c:257
 __dev_xmit_skb net/core/dev.c:3235 [inline]
 __dev_queue_xmit+0x1571/0x25e0 net/core/dev.c:3493
 dev_queue_xmit+0x18/0x20 net/core/dev.c:3558
 br_dev_queue_push_xmit+0x367/0x530 net/bridge/br_forward.c:55
 br_nf_dev_queue_xmit+0x307/0x1440 net/bridge/br_netfilter_hooks.c:776
 NF_HOOK include/linux/netfilter.h:250 [inline]
 NF_HOOK include/linux/netfilter.h:244 [inline]
 br_nf_post_routing+0xb80/0xf00 net/bridge/br_netfilter_hooks.c:822
 nf_hook_entry_hookfn include/linux/netfilter.h:108 [inline]
 nf_hook_slow+0xaf/0x1b0 net/netfilter/core.c:467
 nf_hook include/linux/netfilter.h:205 [inline]
 NF_HOOK include/linux/netfilter.h:248 [inline]
 br_forward_finish+0x1b7/0x320 net/bridge/br_forward.c:67
 br_nf_hook_thresh+0x25b/0x2e0 net/bridge/br_netfilter_hooks.c:1005
 br_nf_forward_finish+0x264/0x640 net/bridge/br_netfilter_hooks.c:550
 NF_HOOK include/linux/netfilter.h:250 [inline]
 NF_HOOK include/linux/netfilter.h:244 [inline]
 br_nf_forward_ip net/bridge/br_netfilter_hooks.c:617 [inline]
 br_nf_forward_ip+0x5fc/0x11d0 net/bridge/br_netfilter_hooks.c:561
 nf_hook_entry_hookfn include/linux/netfilter.h:108 [inline]
 nf_hook_slow+0xaf/0x1b0 net/netfilter/core.c:467
 nf_hook include/linux/netfilter.h:205 [inline]
 NF_HOOK include/linux/netfilter.h:248 [inline]
 __br_forward+0x312/0x9c0 net/bridge/br_forward.c:111
 deliver_clone+0x61/0xc0 net/bridge/br_forward.c:127
 br_flood+0x43c/0x530 net/bridge/br_forward.c:222
 br_handle_frame_finish+0xaf0/0x1830 net/bridge/br_input.c:210
 br_nf_hook_thresh+0x25b/0x2e0 net/bridge/br_netfilter_hooks.c:1005
 br_nf_pre_routing_finish_ipv6+0x621/0xc50 net/bridge/br_netfilter_ipv6.c:210
 NF_HOOK include/linux/netfilter.h:250 [inline]
 br_nf_pre_routing_ipv6+0x417/0x790 net/bridge/br_netfilter_ipv6.c:240
 br_nf_pre_routing+0xdce/0x12c7 net/bridge/br_netfilter_hooks.c:491
 nf_hook_entry_hookfn include/linux/netfilter.h:108 [inline]
 nf_hook_slow+0xaf/0x1b0 net/netfilter/core.c:467
 nf_hook include/linux/netfilter.h:205 [inline]
 NF_HOOK include/linux/netfilter.h:248 [inline]
 br_handle_frame+0x80c/0x1110 net/bridge/br_input.c:348
 __netif_receive_skb_core+0x789/0x2ca0 net/core/dev.c:4431
 __netif_receive_skb+0x2c/0x1b0 net/core/dev.c:4515
 process_backlog+0x21f/0x730 net/core/dev.c:5197
 napi_poll net/core/dev.c:5598 [inline]
 net_rx_action+0x490/0xf80 net/core/dev.c:5664
 __do_softirq+0x244/0x9a0 kernel/softirq.c:288
 run_ksoftirqd kernel/softirq.c:670 [inline]
 run_ksoftirqd+0x8c/0x1b0 kernel/softirq.c:662
 smpboot_thread_fn+0x5f4/0x960 kernel/smpboot.c:164
 kthread+0x319/0x430 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404