======================================
| [ 3971.667454][ T9808] Mirror/redirect action on
| [ 3971.773350][    C0] ------------[ cut here ]------------
| [ 3971.773928][    C0] WARNING: CPU: 0 PID: 0 at ./include/net/sch_generic.h:843 netem_dequeue (./include/net/sch_generic.h:843 ./include/net/sch_generic.h:889 ./include/net/sch_generic.h:901 net/sched/sch_netem.c:712)
| [ 3971.774539][    C0] Modules linked in: act_mirred cls_u32 ifb act_gact cls_matchall chacha libchacha chacha20poly1305 libpoly1305 tls cls_bpf sch_ingress netdevsim psample xt_HL nft_compat nf_tables amt
[ 3971.776509][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3971.776918][    C0] RIP: 0010:netem_dequeue (./include/net/sch_generic.h:843 ./include/net/sch_generic.h:889 ./include/net/sch_generic.h:901 net/sched/sch_netem.c:712)
[ 3971.777284][    C0] Code: 7d 06 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 89 09 00 00 66 83 7d 06 00 74 04 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 4c 89 d2 48 c1 ea 03 0f b6
All code
========
   0:	7d 06                	jge    0x8
   2:	48 89 fa             	mov    %rdi,%rdx
   5:	48 c1 ea 03          	shr    $0x3,%rdx
   9:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   d:	48 89 f8             	mov    %rdi,%rax
  10:	83 e0 07             	and    $0x7,%eax
  13:	83 c0 01             	add    $0x1,%eax
  16:	38 d0                	cmp    %dl,%al
  18:	7c 08                	jl     0x22
  1a:	84 d2                	test   %dl,%dl
  1c:	0f 85 89 09 00 00    	jne    0x9ab
  22:	66 83 7d 06 00       	cmpw   $0x0,0x6(%rbp)
  27:	74 04                	je     0x2d
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	4c 89 d2             	mov    %r10,%rdx
  3a:	48 c1 ea 03          	shr    $0x3,%rdx
  3e:	0f                   	.byte 0xf
  3f:	b6                   	.byte 0xb6

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	4c 89 d2             	mov    %r10,%rdx
  10:	48 c1 ea 03          	shr    $0x3,%rdx
  14:	0f                   	.byte 0xf
  15:	b6                   	.byte 0xb6
[ 3971.778435][    C0] RSP: 0018:ffffc90000007d08 EFLAGS: 00010202
[ 3971.778853][    C0] RAX: 0000000000000007 RBX: ffff88800eec8400 RCX: 0000000000000017
[ 3971.779351][    C0] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8880127fc186
[ 3971.779835][    C0] RBP: ffff8880127fc180 R08: 0000039ceb83483c R09: 0000000000000001
[ 3971.780334][    C0] R10: ffff88800dd09f90 R11: ffffffff8a41e008 R12: 0000000000000001
[ 3971.780820][    C0] R13: dffffc0000000000 R14: ffff88800dd09f68 R15: ffff88800dd09f68
[ 3971.781315][    C0] FS:  0000000000000000(0000) GS:ffff8880e3708000(0000) knlGS:0000000000000000
[ 3971.781878][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3971.782293][    C0] CR2: 0000564bc5c60990 CR3: 00000000115e2001 CR4: 0000000000772ef0
[ 3971.782775][    C0] PKRU: 55555554
[ 3971.783019][    C0] Call Trace:
[ 3971.783267][    C0]  <IRQ>
[ 3971.783439][    C0]  ? get_slot_next (net/sched/sch_netem.c:703)
[ 3971.783768][    C0]  ? add_chain_cache (kernel/locking/lockdep.c:3767)
[ 3971.784116][    C0]  dequeue_skb (net/sched/sch_generic.c:297)
[ 3971.784449][    C0]  __qdisc_run (net/sched/sch_generic.c:403 net/sched/sch_generic.c:420)
[ 3971.784774][    C0]  ? sch_direct_xmit (net/sched/sch_generic.c:416)
[ 3971.785101][    C0]  ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[ 3971.785428][    C0]  ? spin_bug (kernel/locking/spinlock_debug.c:114)
[ 3971.785668][    C0]  ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831)
[ 3971.785986][    C0]  ? net_tx_action (./include/linux/spinlock.h:352 net/core/dev.c:5767)
[ 3971.786334][    C0]  net_tx_action (./include/net/sch_generic.h:223 ./include/net/pkt_sched.h:121 ./include/net/pkt_sched.h:117 net/core/dev.c:5783)
[ 3971.786658][    C0]  handle_softirqs (kernel/softirq.c:623)
[ 3971.786992][    C0]  irq_exit_rcu (kernel/softirq.c:657 kernel/softirq.c:496 kernel/softirq.c:723 kernel/softirq.c:739)
[ 3971.787322][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1052 arch/x86/kernel/apic/apic.c:1052)
[ 3971.787656][    C0]  </IRQ>
[ 3971.787819][    C0]  <TASK>
[ 3971.787980][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697)
[ 3971.788392][    C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82)
[ 3971.788728][    C0] Code: 48 8b 3d d4 ba 91 02 e8 1f 00 00 00 48 2b 05 08 85 a8 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 33 3c 29 00 fb f4 <c3> 0f 1f 40 d6 41 54 55 53 48 89 fb 48 83 ec 10 8b 17 83 e2 fe 41
All code
========
   0:	48 8b 3d d4 ba 91 02 	mov    0x291bad4(%rip),%rdi        # 0x291badb
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 08 85 a8 00 	sub    0xa88508(%rip),%rax        # 0xa8851b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 33 3c 29 00 	verw   0x293c33(%rip)        # 0x293c5b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	41 54                	push   %r12
  31:	55                   	push   %rbp
  32:	53                   	push   %rbx
  33:	48 89 fb             	mov    %rdi,%rbx
  36:	48 83 ec 10          	sub    $0x10,%rsp
  3a:	8b 17                	mov    (%rdi),%edx
  3c:	83 e2 fe             	and    $0xfffffffe,%edx
  3f:	41                   	rex.B

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	41 54                	push   %r12
   7:	55                   	push   %rbp
   8:	53                   	push   %rbx
   9:	48 89 fb             	mov    %rdi,%rbx
   c:	48 83 ec 10          	sub    $0x10,%rsp
  10:	8b 17                	mov    (%rdi),%edx
  12:	83 e2 fe             	and    $0xfffffffe,%edx
  15:	41                   	rex.B
[ 3971.789879][    C0] RSP: 0018:ffffffff88207de8 EFLAGS: 00000206
[ 3971.790297][    C0] RAX: 00000000035d2e27 RBX: 1ffffffff1040fc1 RCX: ffffffff87001225
[ 3971.790807][    C0] RDX: 0000000000000000 RSI: ffffffff879e9312 RDI: ffffffff87460340
[ 3971.791301][    C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed100da06252
[ 3971.791784][    C0] R10: ffff88806d031293 R11: ffff88806d036c58 R12: 0000000000000000
[ 3971.792274][    C0] R13: ffffffff88232500 R14: dffffc0000000000 R15: 0000000000014770
[ 3971.792773][    C0]  ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146)
[ 3971.793185][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:767)
[ 3971.793430][    C0]  default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:123)
[ 3971.793751][    C0]  cpuidle_idle_call (kernel/sched/idle.c:191)
[ 3971.794084][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[ 3971.794410][    C0]  ? trace_cpu_idle (./arch/x86/include/asm/bitops.h:222 ./arch/x86/include/asm/bitops.h:233 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/cpumask.h:646 ./include/linux/cpumask.h:1205 ./include/trace/events/power.h:36)
[ 3971.794737][    C0]  ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60)
[ 3971.795068][    C0]  do_idle (kernel/sched/idle.c:330)
[ 3971.795324][    C0]  cpu_startup_entry (kernel/sched/idle.c:427 (discriminator 1))
[ 3971.795644][    C0]  rest_init (./include/linux/rcupdate.h:868 init/main.c:728)
[ 3971.795887][    C0]  start_kernel (init/main.c:1063 (discriminator 1))
[ 3971.796228][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:298)
[ 3971.796549][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:234 (discriminator 17))
[ 3971.796868][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:419)
| [ 3971.800425][    C0] ------------[ cut here ]------------
| [ 3971.800754][    C0] WARNING: CPU: 0 PID: 14 at ./include/net/sch_generic.h:843 tc_run (./include/net/sch_generic.h:843 ./include/net/sch_generic.h:889 ./include/net/sch_generic.h:1366 net/core/dev.c:4370)
| [ 3971.801364][    C0] Modules linked in: act_mirred cls_u32 ifb act_gact cls_matchall chacha libchacha chacha20poly1305 libpoly1305 tls cls_bpf sch_ingress netdevsim psample xt_HL nft_compat nf_tables amt
| [ 3971.802863][    C0] Tainted: [W]=WARN
[ 3971.803069][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3971.803392][    C0] RIP: 0010:tc_run (./include/net/sch_generic.h:843 ./include/net/sch_generic.h:889 ./include/net/sch_generic.h:1366 net/core/dev.c:4370)
[ 3971.803653][    C0] Code: 89 f8 49 c1 e8 03 45 0f b6 04 30 48 89 fe 83 e6 07 83 c6 01 44 38 c6 7c 09 45 84 c0 0f 85 83 02 00 00 66 83 7a 06 00 74 04 90 <0f> 0b 90 48 ba 00 00 00 00 00 fc ff df 48 8d 7b 28 48 89 fe 48 c1
All code
========
   0:	89 f8                	mov    %edi,%eax
   2:	49 c1 e8 03          	shr    $0x3,%r8
   6:	45 0f b6 04 30       	movzbl (%r8,%rsi,1),%r8d
   b:	48 89 fe             	mov    %rdi,%rsi
   e:	83 e6 07             	and    $0x7,%esi
  11:	83 c6 01             	add    $0x1,%esi
  14:	44 38 c6             	cmp    %r8b,%sil
  17:	7c 09                	jl     0x22
  19:	45 84 c0             	test   %r8b,%r8b
  1c:	0f 85 83 02 00 00    	jne    0x2a5
  22:	66 83 7a 06 00       	cmpw   $0x0,0x6(%rdx)
  27:	74 04                	je     0x2d
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 ba 00 00 00 00 00 	movabs $0xdffffc0000000000,%rdx
  34:	fc ff df 
  37:	48 8d 7b 28          	lea    0x28(%rbx),%rdi
  3b:	48 89 fe             	mov    %rdi,%rsi
  3e:	48                   	rex.W
  3f:	c1                   	.byte 0xc1

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 ba 00 00 00 00 00 	movabs $0xdffffc0000000000,%rdx
   a:	fc ff df 
   d:	48 8d 7b 28          	lea    0x28(%rbx),%rdi
  11:	48 89 fe             	mov    %rdi,%rsi
  14:	48                   	rex.W
  15:	c1                   	.byte 0xc1
[ 3971.804583][    C0] RSP: 0018:ffffc900000e77b0 EFLAGS: 00010202
[ 3971.804901][    C0] RAX: ffffe8ffffc074a0 RBX: ffff88800dd09f68 RCX: 0000000000000001
[ 3971.805289][    C0] RDX: ffff8880127fc180 RSI: 0000000000000007 RDI: ffff8880127fc186
[ 3971.805675][    C0] RBP: ffffc900000e7858 R08: 0000000000000000 R09: ffffed1002495a39
[ 3971.806050][    C0] R10: ffff8880124ad1cf R11: ffffffff88588540 R12: ffffc900000e7960
[ 3971.806435][    C0] R13: 1ffff9200001cefa R14: ffff88800dd09fb0 R15: ffff88801baa12a8
[ 3971.806810][    C0] FS:  0000000000000000(0000) GS:ffff8880e3708000(0000) knlGS:0000000000000000
[ 3971.807262][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3971.807581][    C0] CR2: 0000564bc5c60990 CR3: 00000000115e2001 CR4: 0000000000772ef0
[ 3971.807960][    C0] PKRU: 55555554
[ 3971.808161][    C0] Call Trace:
[ 3971.808349][    C0]  <TASK>
[ 3971.808479][    C0]  ? unwind_next_frame (./include/linux/rcupdate.h:900 ./include/linux/rcupdate.h:1195 arch/x86/kernel/unwind_orc.c:479)
[ 3971.808737][    C0]  ? napi_disable (net/core/dev.c:4349)
[ 3971.809001][    C0]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:255)
[ 3971.809279][    C0]  __netif_receive_skb_core.constprop.0 (net/core/dev.c:4448 net/core/dev.c:5989)
[ 3971.809602][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24)
[ 3971.809865][    C0]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:255)
[ 3971.810123][    C0]  ? do_xdp_generic (net/core/dev.c:5908)
[ 3971.810387][    C0]  ? rcu_read_lock_any_held (kernel/rcu/update.c:387 kernel/rcu/update.c:380)
[ 3971.810640][    C0]  ? stack_depot_save_flags (lib/stackdepot.c:601 lib/stackdepot.c:668)
[ 3971.810914][    C0]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[ 3971.811175][    C0]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[ 3971.811430][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 3971.811685][    C0]  ? process_backlog (./include/linux/local_lock_internal.h:57 net/core/dev.c:6601)
[ 3971.811936][    C0]  __netif_receive_skb_one_core (net/core/dev.c:6137)
[ 3971.812261][    C0]  ? __netif_receive_skb_list_core (net/core/dev.c:6131)
[ 3971.812577][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[ 3971.812838][    C0]  ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831)
[ 3971.813098][    C0]  ? process_backlog (./include/linux/local_lock_internal.h:57 net/core/dev.c:6601)
[ 3971.813354][    C0]  process_backlog (./include/linux/rcupdate.h:895 net/core/dev.c:6604)
[ 3971.813611][    C0]  __napi_poll.constprop.0 (net/core/dev.c:7668)
[ 3971.813865][    C0]  net_rx_action (net/core/dev.c:7730 net/core/dev.c:7882)
[ 3971.814127][    C0]  ? finish_task_switch.isra.0 (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/sched/sched.h:1559 kernel/sched/core.c:5073 kernel/sched/core.c:5191)
[ 3971.814446][    C0]  ? run_backlog_napi (net/core/dev.c:7844)
[ 3971.814698][    C0]  ? trace_sched_exit_tp (./include/trace/events/sched.h:886 (discriminator 21))
[ 3971.814956][    C0]  ? __schedule (kernel/sched/core.c:6785)
[ 3971.815224][    C0]  ? io_schedule_timeout (kernel/sched/core.c:6785)
[ 3971.815485][    C0]  handle_softirqs (kernel/softirq.c:623)
[ 3971.815740][    C0]  ? run_ktimerd (kernel/softirq.c:1056)
[ 3971.815993][    C0]  run_ksoftirqd (kernel/softirq.c:479 kernel/softirq.c:1064 kernel/softirq.c:1055)
[ 3971.816250][    C0]  smpboot_thread_fn (kernel/smpboot.c:160 (discriminator 3))
[ 3971.816508][    C0]  ? sort_range (kernel/smpboot.c:103)
[ 3971.816704][    C0]  kthread (kernel/kthread.c:463)
[ 3971.816900][    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
[ 3971.817157][    C0]  ? ret_from_fork (arch/x86/kernel/process.c:157)
[ 3971.817408][    C0]  ? __lock_release (kernel/locking/lockdep.c:5536)
[ 3971.817657][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[ 3971.817908][    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
[ 3971.818166][    C0]  ret_from_fork (arch/x86/kernel/process.c:164)
[ 3971.818414][    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
[ 3971.818664][    C0]  ret_from_fork_asm (arch/x86/entry/entry_64.S:255)
| [ 3971.821446][    C0] ------------[ cut here ]------------
| [ 3971.821727][    C0] WARNING: CPU: 0 PID: 14 at ./include/net/sch_generic.h:843 tcf_mirred_act (./include/net/sch_generic.h:843 ./include/net/sch_generic.h:889 ./include/net/act_api.h:232 net/sched/act_mirred.c:435) act_mirred
| [ 3971.822297][    C0] Modules linked in: act_mirred cls_u32 ifb act_gact cls_matchall chacha libchacha chacha20poly1305 libpoly1305 tls cls_bpf sch_ingress netdevsim psample xt_HL nft_compat nf_tables amt
| [ 3971.824066][    C0] Tainted: [W]=WARN
[ 3971.824297][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3971.824647][    C0] RIP: 0010:tcf_mirred_act (./include/net/sch_generic.h:843 ./include/net/sch_generic.h:889 ./include/net/act_api.h:232 net/sched/act_mirred.c:435) act_mirred
[ 3971.825005][    C0] Code: 48 89 fe 48 c1 ee 03 0f b6 34 0e 48 89 f9 83 e1 07 83 c1 01 40 38 f1 7c 09 40 84 f6 0f 85 5b 07 00 00 66 83 78 06 00 74 04 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 49 8d 7c 24 28 48 89 f9 48
All code
========
   0:	48 89 fe             	mov    %rdi,%rsi
   3:	48 c1 ee 03          	shr    $0x3,%rsi
   7:	0f b6 34 0e          	movzbl (%rsi,%rcx,1),%esi
   b:	48 89 f9             	mov    %rdi,%rcx
   e:	83 e1 07             	and    $0x7,%ecx
  11:	83 c1 01             	add    $0x1,%ecx
  14:	40 38 f1             	cmp    %sil,%cl
  17:	7c 09                	jl     0x22
  19:	40 84 f6             	test   %sil,%sil
  1c:	0f 85 5b 07 00 00    	jne    0x77d
  22:	66 83 78 06 00       	cmpw   $0x0,0x6(%rax)
  27:	74 04                	je     0x2d
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  34:	fc ff df 
  37:	49 8d 7c 24 28       	lea    0x28(%r12),%rdi
  3c:	48 89 f9             	mov    %rdi,%rcx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   a:	fc ff df 
   d:	49 8d 7c 24 28       	lea    0x28(%r12),%rdi
  12:	48 89 f9             	mov    %rdi,%rcx
  15:	48                   	rex.W
[ 3971.826019][    C0] RSP: 0018:ffffc900000e7450 EFLAGS: 00010202
[ 3971.826389][    C0] RAX: ffff8880127fc180 RBX: ffffe8ffffc07810 RCX: 0000000000000007
[ 3971.826809][    C0] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8880127fc186
[ 3971.827240][    C0] RBP: ffff8880119e6e00 R08: 0000000000000000 R09: ffffc900000e7760
[ 3971.827659][    C0] R10: 0000000000000000 R11: ffff8880144cdc00 R12: ffff88800dd09f68
[ 3971.828095][    C0] R13: ffff88806d037fac R14: 0000000000000004 R15: ffff88806d037fa8
[ 3971.828514][    C0] FS:  0000000000000000(0000) GS:ffff8880e3708000(0000) knlGS:0000000000000000
[ 3971.829003][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3971.829372][    C0] CR2: 0000564bc5c60990 CR3: 00000000115e2001 CR4: 0000000000772ef0
[ 3971.829800][    C0] PKRU: 55555554
[ 3971.830012][    C0] Call Trace:
[ 3971.830233][    C0]  <TASK>
[ 3971.830395][    C0]  tcf_action_exec.part.0 (./include/net/tc_wrapper.h:217 net/sched/act_api.c:1150)
[ 3971.830687][    C0] u32_classify (net/sched/cls_u32.c:194) cls_u32
[ 3971.830980][    C0]  ? u32_walk (net/sched/cls_u32.c:117) cls_u32
[ 3971.831277][    C0]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:255)
[ 3971.831561][    C0]  ? tc_run (./include/net/sch_generic.h:843 ./include/net/sch_generic.h:889 ./include/net/sch_generic.h:1366 net/core/dev.c:4370)
[ 3971.831775][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[ 3971.832061][    C0]  ? tc_run (./include/net/sch_generic.h:843 ./include/net/sch_generic.h:889 ./include/net/sch_generic.h:1366 net/core/dev.c:4370)
[ 3971.832282][    C0]  ? add_taint (./arch/x86/include/asm/bitops.h:60 ./include/asm-generic/bitops/instrumented-atomic.h:29 kernel/panic.c:754)
[ 3971.832499][    C0]  ? __warn (kernel/panic.c:911)
[ 3971.832713][    C0]  ? tc_run (./include/net/sch_generic.h:843 ./include/net/sch_generic.h:889 ./include/net/sch_generic.h:1366 net/core/dev.c:4370)
[ 3971.832925][    C0]  ? nbcon_cpu_emergency_exit (./arch/x86/include/asm/preempt.h:104 kernel/printk/nbcon.c:1676)
[ 3971.833216][    C0]  ? report_bug (lib/bug.c:197 lib/bug.c:215)
[ 3971.833512][    C0]  __tcf_classify.constprop.0 (net/sched/cls_api.c:1767)
[ 3971.833808][    C0]  tcf_classify (net/sched/cls_api.c:1809)
[ 3971.834021][    C0]  ? __tcf_classify.constprop.0 (net/sched/cls_api.c:1809)
[ 3971.834398][    C0]  ? tc_run (./include/net/sch_generic.h:843 ./include/net/sch_generic.h:889 ./include/net/sch_generic.h:1366 net/core/dev.c:4370)
[ 3971.834613][    C0]  tc_run (net/core/dev.c:4373)
[ 3971.834837][    C0]  ? unwind_next_frame (./include/linux/rcupdate.h:900 ./include/linux/rcupdate.h:1195 arch/x86/kernel/unwind_orc.c:479)
[ 3971.835140][    C0]  ? napi_disable (net/core/dev.c:4349)
[ 3971.835440][    C0]  __netif_receive_skb_core.constprop.0 (net/core/dev.c:4448 net/core/dev.c:5989)
[ 3971.835802][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24)
[ 3971.836099][    C0]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:255)
[ 3971.836393][    C0]  ? do_xdp_generic (net/core/dev.c:5908)
[ 3971.836677][    C0]  ? rcu_read_lock_any_held (kernel/rcu/update.c:387 kernel/rcu/update.c:380)
[ 3971.836956][    C0]  ? stack_depot_save_flags (lib/stackdepot.c:601 lib/stackdepot.c:668)
[ 3971.837264][    C0]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[ 3971.837551][    C0]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[ 3971.837839][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 3971.838147][    C0]  ? process_backlog (./include/linux/local_lock_internal.h:57 net/core/dev.c:6601)
[ 3971.838429][    C0]  __netif_receive_skb_one_core (net/core/dev.c:6137)
[ 3971.838779][    C0]  ? __netif_receive_skb_list_core (net/core/dev.c:6131)
[ 3971.839136][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[ 3971.839417][    C0]  ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831)
[ 3971.839695][    C0]  ? process_backlog (./include/linux/local_lock_internal.h:57 net/core/dev.c:6601)
[ 3971.839976][    C0]  process_backlog (./include/linux/rcupdate.h:895 net/core/dev.c:6604)
[ 3971.840279][    C0]  __napi_poll.constprop.0 (net/core/dev.c:7668)
[ 3971.840579][    C0]  net_rx_action (net/core/dev.c:7730 net/core/dev.c:7882)
[ 3971.840864][    C0]  ? finish_task_switch.isra.0 (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/sched/sched.h:1559 kernel/sched/core.c:5073 kernel/sched/core.c:5191)
[ 3971.841228][    C0]  ? run_backlog_napi (net/core/dev.c:7844)
[ 3971.841510][    C0]  ? trace_sched_exit_tp (./include/trace/events/sched.h:886 (discriminator 21))
[ 3971.841790][    C0]  ? __schedule (kernel/sched/core.c:6785)
[ 3971.842087][    C0]  ? io_schedule_timeout (kernel/sched/core.c:6785)
[ 3971.842387][    C0]  handle_softirqs (kernel/softirq.c:623)
[ 3971.842670][    C0]  ? run_ktimerd (kernel/softirq.c:1056)
[ 3971.842951][    C0]  run_ksoftirqd (kernel/softirq.c:479 kernel/softirq.c:1064 kernel/softirq.c:1055)
[ 3971.843241][    C0]  smpboot_thread_fn (kernel/smpboot.c:160 (discriminator 3))
[ 3971.843524][    C0]  ? sort_range (kernel/smpboot.c:103)
[ 3971.843741][    C0]  kthread (kernel/kthread.c:463)
[ 3971.843954][    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
[ 3971.844242][    C0]  ? ret_from_fork (arch/x86/kernel/process.c:157)
[ 3971.844537][    C0]  ? __lock_release (kernel/locking/lockdep.c:5536)
[ 3971.844836][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[ 3971.845140][    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)
[ 3971.845438][    C0]  ret_from_fork (arch/x86/kernel/process.c:164)
[ 3971.845728][    C0]  ? kthread_is_per_cpu (kernel/kthread.c:412)


Finger prints:
tcf_mirred_act:u32_classify:tcf_classify:tc_run:__netif_receive_skb_one_core
netem_dequeue:dequeue_skb:__qdisc_run:net_tx_action:handle_softirqs
tc_run:__netif_receive_skb_one_core:process_backlog:net_rx_action:handle_softirqs