Increase LOCKDEP_CIRCULAR_QUEUE_BITS to avoid this warning:
------------[ cut here ]------------
lockdep bfs error:-1
WARNING: kernel/locking/lockdep.c:2059 at print_bfs_bug+0x20/0x40 kernel/locking/lockdep.c:2059, CPU#0: kworker/u8:10/1383
Modules linked in:
CPU: 0 UID: 0 PID: 1383 Comm: kworker/u8:10 Tainted: G             L      syzkaller #0 PREEMPT_{RT,(full)} 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
Workqueue: netns cleanup_net
RIP: 0010:print_bfs_bug+0x22/0x40 kernel/locking/lockdep.c:2059
Code: 90 90 90 90 90 90 90 90 55 53 89 fb e8 47 a3 fa 02 89 c5 e8 30 8a ff ff 85 ed 74 13 83 fb ff 74 16 48 8d 3d 90 0d cd 0d 89 de <67> 48 0f b9 3a 5b 5d e9 12 63 87 09 cc 48 c7 c7 9f de 6d 8d e8 15
RSP: 0018:ffffc90005dbebb0 EFLAGS: 00010046
RAX: 000000000000003b RBX: 00000000ffffffff RCX: ca608c19bd76c800
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffffffff8f6d9d10
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffff52000bb7d25 R12: ffffffff960fb348
R13: ffffffff930a45a8 R14: ffff888029599e80 R15: 000000000000001b
FS:  0000000000000000(0000) GS:ffff888126332000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffffffff000 CR3: 0000000034f9e000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 check_irq_usage kernel/locking/lockdep.c:-1 [inline]
 check_prev_add kernel/locking/lockdep.c:3169 [inline]
 check_prevs_add kernel/locking/lockdep.c:3284 [inline]
 validate_chain kernel/locking/lockdep.c:3908 [inline]
 __lock_acquire+0x2550/0x2cf0 kernel/locking/lockdep.c:5237
 lock_acquire+0xf0/0x2e0 kernel/locking/lockdep.c:5868
 _raw_spin_lock_nested+0x32/0x50 kernel/locking/spinlock.c:378
 raw_spin_rq_lock_nested+0x31/0x150 kernel/sched/core.c:647
 raw_spin_rq_lock kernel/sched/sched.h:1618 [inline]
 _task_rq_lock+0xbc/0x470 kernel/sched/core.c:747
 class_task_rq_lock_constructor kernel/sched/sched.h:1920 [inline]
 migrate_disable_switch kernel/sched/core.c:2366 [inline]
 __schedule+0x16d3/0x5240 kernel/sched/core.c:6795
 preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7238
 irqentry_exit+0x599/0x620 kernel/entry/common.c:239
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:lock_acquire+0x20b/0x2e0 kernel/locking/lockdep.c:5872
Code: e9 30 ff ff ff e8 75 fd 83 09 f7 c3 00 02 00 00 0f 84 38 ff ff ff 65 48 8b 05 e1 aa ae 10 48 3b 44 24 30 75 33 fb 48 83 c4 38 <5b> 41 5c 41 5d 41 5e 41 5f 5d e9 46 bd 87 09 cc 48 8d 3d be 61 cd
RSP: 0018:ffffc90005dbf160 EFLAGS: 00000296
RAX: ca608c19bd76c800 RBX: 0000000000000246 RCX: 0000000000000046
RDX: 0000000000000009 RSI: ffffffff8d7c2056 RDI: ffffffff8ba67a00
RBP: 0000000000000000 R08: 0000000000000002 R09: ffffffff95991c58
R10: 00000000d4defbb3 R11: 00000000b47dbea9 R12: 0000000000000000
R13: ffff888070a9e230 R14: 0000000000000000 R15: 0000000000000001
 rt_spin_lock+0x83/0x400 kernel/locking/spinlock_rt.c:56
 spin_lock_bh include/linux/spinlock_rt.h:90 [inline]
 dev_reset_queue+0x160/0x1f0 include/net/sch_generic.h:735
 netdev_for_each_tx_queue include/linux/netdevice.h:2684 [inline]
 dev_deactivate_many+0x71f/0xd40 net/sched/sch_generic.c:1345
 __dev_close_many+0x17b/0x6d0 net/core/dev.c:1759
 netif_close_many+0x225/0x420 net/core/dev.c:1800
 unregister_netdevice_many_notify+0xb47/0x2360 net/core/dev.c:12401
 macvlan_device_event+0x7ec/0x890 drivers/net/macvlan.c:1846
 notifier_call_chain+0x1be/0x400 kernel/notifier.c:85
 call_netdevice_notifiers_extack net/core/dev.c:2287 [inline]
 call_netdevice_notifiers net/core/dev.c:2301 [inline]
 unregister_netdevice_many_notify+0x186a/0x2360 net/core/dev.c:12431
 ops_exit_rtnl_list net/core/net_namespace.c:187 [inline]
 ops_undo_list+0x3d3/0x940 net/core/net_namespace.c:248
 cleanup_net+0x56e/0x800 net/core/net_namespace.c:704
 process_one_work kernel/workqueue.c:3276 [inline]
 process_scheduled_works+0xb6e/0x18c0 kernel/workqueue.c:3359
 worker_thread+0xa53/0xfc0 kernel/workqueue.c:3440
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
----------------
Code disassembly (best guess):
   0:	90                   	nop
   1:	90                   	nop
   2:	90                   	nop
   3:	90                   	nop
   4:	90                   	nop
   5:	90                   	nop
   6:	90                   	nop
   7:	90                   	nop
   8:	55                   	push   %rbp
   9:	53                   	push   %rbx
   a:	89 fb                	mov    %edi,%ebx
   c:	e8 47 a3 fa 02       	call   0x2faa358
  11:	89 c5                	mov    %eax,%ebp
  13:	e8 30 8a ff ff       	call   0xffff8a48
  18:	85 ed                	test   %ebp,%ebp
  1a:	74 13                	je     0x2f
  1c:	83 fb ff             	cmp    $0xffffffff,%ebx
  1f:	74 16                	je     0x37
  21:	48 8d 3d 90 0d cd 0d 	lea    0xdcd0d90(%rip),%rdi        # 0xdcd0db8
  28:	89 de                	mov    %ebx,%esi
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	5b                   	pop    %rbx
  30:	5d                   	pop    %rbp
  31:	e9 12 63 87 09       	jmp    0x9876348
  36:	cc                   	int3
  37:	48 c7 c7 9f de 6d 8d 	mov    $0xffffffff8d6dde9f,%rdi
  3e:	e8                   	.byte 0xe8
  3f:	15                   	.byte 0x15