device bond_slave_1 entered promiscuous mode
8021q: adding VLAN 0 to HW filter on device bond0
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (1 GPs behind) idle=f52/1/0x4000000000000002 softirq=358866/358868 fqs=5248 
rcu: 	 (t=10502 jiffies g=460285 q=2371)
NMI backtrace for cpu 1
CPU: 1 PID: 20695 Comm: kworker/1:4 Not tainted 4.20.0+ #393
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events xfrm_hash_rebuild
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1d3/0x2c6 lib/dump_stack.c:113
 nmi_cpu_backtrace.cold.4+0x63/0xa2 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x1c2/0x22c 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:164 [inline]
 rcu_dump_cpu_stacks+0x16f/0x1bc kernel/rcu/tree.c:1211
 print_cpu_stall.cold.68+0x218/0x40a kernel/rcu/tree.c:1348
 check_cpu_stall kernel/rcu/tree.c:1422 [inline]
 rcu_pending kernel/rcu/tree.c:3018 [inline]
 rcu_check_callbacks+0xac1/0x1410 kernel/rcu/tree.c:2521
 update_process_times+0x2d/0x70 kernel/time/timer.c:1635
 tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:161
 tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1271
 __run_hrtimer kernel/time/hrtimer.c:1389 [inline]
 __hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1451
 hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1509
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1035 [inline]
 smp_apic_timer_interrupt+0x1a1/0x760 arch/x86/kernel/apic/apic.c:1060
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807
 </IRQ>
RIP: 0010:__sanitizer_cov_trace_cmp4+0xd/0x20 kernel/kcov.c:162
Code: d6 0f b7 f7 bf 02 00 00 00 48 89 e5 48 8b 4d 08 e8 08 ff ff ff 5d c3 66 0f 1f 44 00 00 55 89 f2 89 fe bf 04 00 00 00 48 89 e5 <48> 8b 4d 08 e8 ea fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 48 89
RSP: 0018:ffff8880a78df330 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a5043240 RBX: ffff88809b9a4040 RCX: ffffffff86c248e8
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: ffff8880a78df330 R08: ffff8880592a46c0 R09: 0000000000000008
R10: 0000000000000005 R11: ffff8880592a46c0 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 xfrm_policy_insert_list+0x47a/0x1020 net/xfrm/xfrm_policy.c:1532
 xfrm_policy_inexact_insert+0x166/0xee0 net/xfrm/xfrm_policy.c:1195
 xfrm_hash_rebuild+0xfc1/0x1380 net/xfrm/xfrm_policy.c:1317
 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
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-... } 10878 jiffies s: 5285 root: 0x2/.
rcu: blocking rcu_node structures:
Task dump for CPU 1:
kworker/1:4     R  running task    20376 20695      2 0x80000008
Workqueue: events xfrm_hash_rebuild
Call Trace:
 context_switch kernel/sched/core.c:2834 [inline]
 __schedule+0x874/0x1ed0 kernel/sched/core.c:3472
 spin_lock_irq include/linux/spinlock.h:354 [inline]
 worker_thread+0x3e0/0x1390 kernel/workqueue.c:2246