ip6_tunnel: ip6tnl1 xmit: Local address not yet configured!
ip6_tunnel: € xmit: Local address not yet configured!
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10499 ticks this GP) idle=b1a/1/0x4000000000000002 softirq=252760/252760 fqs=5248 
rcu: 	 (t=10501 jiffies g=354041 q=605)
NMI backtrace for cpu 0
CPU: 0 PID: 22980 Comm: kworker/0:4 Not tainted 4.20.0-rc7+ #357
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+0x244/0x39d lib/dump_stack.c:113
 nmi_cpu_backtrace.cold.2+0x5c/0xa1 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x1e8/0x22a 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:1195
 print_cpu_stall.cold.67+0x1f3/0x3c7 kernel/rcu/tree.c:1334
 check_cpu_stall kernel/rcu/tree.c:1408 [inline]
 rcu_pending kernel/rcu/tree.c:2961 [inline]
 rcu_check_callbacks+0xf3b/0x13f0 kernel/rcu/tree.c:2506
 update_process_times+0x2d/0x70 kernel/time/timer.c:1636
 tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164
 tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274
 __run_hrtimer kernel/time/hrtimer.c:1398 [inline]
 __hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460
 hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1034 [inline]
 smp_apic_timer_interrupt+0x1a1/0x760 arch/x86/kernel/apic/apic.c:1059
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807
 </IRQ>
RIP: 0010:xfrm_sec_ctx_match include/net/xfrm.h:970 [inline]
RIP: 0010:xfrm_policy_insert_list+0x99c/0x1020 net/xfrm/xfrm_policy.c:1536
Code: e9 88 f8 ff ff 44 0f b6 bd e8 fe ff ff 48 8b 9d e0 fe ff ff e8 95 fc b0 fa 48 8b 85 20 ff ff ff 0f b6 10 48 8b 85 28 ff ff ff <83> e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 aa 05 00 00 48 8b 85 30
RSP: 0018:ffff888192a37340 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8881cd471bf4 RBX: ffff8881b2a6f200 RCX: ffffffff86ce8550
RDX: 0000000000000000 RSI: ffffffff86ce88db RDI: 0000000000000004
RBP: ffff888192a37468 R08: ffff888196506280 R09: 0000000000000008
R10: 0000000000000005 R11: ffff888196506280 R12: dffffc0000000000
R13: ffff8881cd471c30 R14: ffff8881b2a6f2f0 R15: 0000000000000000
 xfrm_policy_inexact_insert+0x166/0xee0 net/xfrm/xfrm_policy.c:1195
 xfrm_hash_rebuild+0xfba/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