team0 (unregistering): Port device team_slave_0 removed
bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
------------[ cut here ]------------
WARNING: CPU: 0 PID: 26 at kernel/rcu/tree.c:1058 rcu_irq_enter+0x15/0x20 kernel/rcu/tree.c:1058
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 26 Comm: kworker/u4:2 Not tainted 5.9.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: netns cleanup_net
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x18f/0x20d lib/dump_stack.c:118
 panic+0x31e/0x797 kernel/panic.c:231
 __warn.cold+0x20/0x4f kernel/panic.c:600
 report_bug+0x1bd/0x210 lib/bug.c:198
 handle_bug+0x38/0x90 arch/x86/kernel/traps.c:234
 exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:254
 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536
RIP: 0010:rcu_irq_enter+0x15/0x20 kernel/rcu/tree.c:1058
Code: e0 06 8a e8 bd 8c b2 fb e9 6a ff ff ff 0f 1f 84 00 00 00 00 00 8b 05 26 f5 34 03 85 c0 74 0d 65 8b 05 5b 97 dd 77 85 c0 74 02 <0f> 0b e9 04 ff ff ff 0f 1f 40 00 55 53 48 c7 c3 40 6c 03 00 e8 52
RSP: 0018:ffffc90000e37800 EFLAGS: 00010002
RAX: 0000000000000001 RBX: 0000000000000082 RCX: ffffffff817c45c7
RDX: ffff8880a9066140 RSI: ffffffff8163f5f1 RDI: 0000000000000005
RBP: ffffffff8d64a610 R08: 0000000000000000 R09: ffffffff8b59380f
R10: 0000000000000000 R11: 000000000000e019 R12: 0000000000000082
R13: ffffffff88270ff6 R14: 0000000000000000 R15: ffffffff8a068000
 rcu_irq_enter_irqson+0x76/0x140 kernel/rcu/tree.c:1073
 trace_irq_disable_rcuidle include/trace/events/preemptirq.h:36 [inline]
 trace_irq_disable_rcuidle include/trace/events/preemptirq.h:36 [inline]
 trace_hardirqs_off kernel/trace/trace_preemptirq.c:82 [inline]
 trace_hardirqs_off+0x114/0x210 kernel/trace/trace_preemptirq.c:74
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline]
 _raw_spin_lock_irqsave+0x66/0xc0 kernel/locking/spinlock.c:159
 debug_object_activate+0x12e/0x3e0 lib/debugobjects.c:636
 debug_rcu_head_queue kernel/rcu/rcu.h:176 [inline]
 __call_rcu kernel/rcu/tree.c:2880 [inline]
 call_rcu+0x2c/0x800 kernel/rcu/tree.c:2968
 lockdep_unregister_key+0x21d/0x570 kernel/locking/lockdep.c:5686
 rollback_registered_many+0xa8c/0x1250 net/core/dev.c:9305
 unregister_netdevice_many.part.0+0x1a/0x2f0 net/core/dev.c:10433
 unregister_netdevice_many net/core/dev.c:10432 [inline]
 default_device_exit_batch+0x30c/0x3d0 net/core/dev.c:10916
 ops_exit_list+0x10d/0x160 net/core/net_namespace.c:189
 cleanup_net+0x4ea/0xa00 net/core/net_namespace.c:603
 process_one_work+0x94c/0x1670 kernel/workqueue.c:2269
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2415
 kthread+0x3b5/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
Kernel Offset: disabled
Rebooting in 86400 seconds..