======================================
| [   16.079817][  T270] tc (270) used greatest stack depth: 24424 bytes left
| [   16.162874][    C3] ------------[ cut here ]------------
| [   16.163329][    C3] WARNING: CPU: 3 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)
| [   16.163859][    C3] Modules linked in: act_mirred cls_u32 sch_ingress ifb
[   16.164830][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.165195][    C3] 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)
[   16.165520][    C3] 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
[   16.166572][    C3] RSP: 0018:ffffc90000270d08 EFLAGS: 00010202
[   16.166949][    C3] RAX: 0000000000000007 RBX: ffff888005c51c00 RCX: 0000000000000017
[   16.167391][    C3] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff888009390f86
[   16.167837][    C3] RBP: ffff888009390f80 R08: 00000003ea740bf2 R09: 0000000000000001
[   16.168272][    C3] R10: ffff888004f94150 R11: ffffffffa181e008 R12: 0000000000000001
[   16.168731][    C3] R13: dffffc0000000000 R14: ffff888004f94128 R15: ffff888004f94128
[   16.169181][    C3] FS:  0000000000000000(0000) GS:ffff8880cc488000(0000) knlGS:0000000000000000
[   16.169711][    C3] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.170077][    C3] CR2: 00007f80ed2d01c0 CR3: 000000005c149003 CR4: 0000000000772ef0
[   16.170540][    C3] PKRU: 55555554
[   16.170762][    C3] Call Trace:
[   16.170980][    C3]  <IRQ>
[   16.171136][    C3]  ? get_slot_next (net/sched/sch_netem.c:703)
[   16.171590][    C3]  ? add_chain_cache (kernel/locking/lockdep.c:3767)
[   16.171891][    C3]  dequeue_skb (net/sched/sch_generic.c:297)
[   16.172193][    C3]  __qdisc_run (net/sched/sch_generic.c:403 net/sched/sch_generic.c:420)
[   16.172520][    C3]  ? sch_direct_xmit (net/sched/sch_generic.c:416)
[   16.172825][    C3]  ? 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)
[   16.173132][    C3]  ? spin_bug (kernel/locking/spinlock_debug.c:114)
[   16.173371][    C3]  ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831)
[   16.173680][    C3]  ? net_tx_action (./include/linux/spinlock.h:352 net/core/dev.c:5767)
[   16.173992][    C3]  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)
[   16.174305][    C3]  handle_softirqs (kernel/softirq.c:623)
[   16.174628][    C3]  irq_exit_rcu (kernel/softirq.c:657 kernel/softirq.c:496 kernel/softirq.c:723 kernel/softirq.c:739)
[   16.174934][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1052 arch/x86/kernel/apic/apic.c:1052)
[   16.175244][    C3]  </IRQ>
[   16.175405][    C3]  <TASK>
[   16.175575][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697)
[   16.175945][    C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82)
[   16.176261][    C3] 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
[   16.177382][    C3] RSP: 0018:ffffc90000157dd8 EFLAGS: 00000202
[   16.177781][    C3] RAX: 000000000003f445 RBX: 1ffff9200002afbf RCX: ffffffff9e401225
[   16.178236][    C3] RDX: 0000000000000000 RSI: ffffffff9ede9312 RDI: ffffffff9e860340
[   16.178702][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed100da36252
[   16.179164][    C3] R10: ffff88806d1b1293 R11: ffff88806d1b6c58 R12: 0000000000000000
[   16.179639][    C3] R13: ffff888001ae45c0 R14: dffffc0000000000 R15: 0000000000000000
[   16.180098][    C3]  ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146)
[   16.180489][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:767)
[   16.180714][    C3]  default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:123)
[   16.181014][    C3]  cpuidle_idle_call (kernel/sched/idle.c:191)
[   16.181322][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   16.181633][    C3]  ? trace_irq_enable.constprop.0 (./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/preemptirq.h:40)
[   16.182013][    C3]  ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60)
[   16.182325][    C3]  do_idle (kernel/sched/idle.c:330)
[   16.182565][    C3]  cpu_startup_entry (kernel/sched/idle.c:427 (discriminator 1))
[   16.182867][    C3]  start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283)
[   16.183167][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:233)
[   16.183485][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:419)
| [   16.186865][    C3] ------------[ cut here ]------------
| [   16.187204][    C3] WARNING: CPU: 3 PID: 32 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)
| [   16.187722][    C3] Modules linked in: act_mirred cls_u32 sch_ingress ifb
| [   16.188907][    C3] Tainted: [W]=WARN
[   16.189195][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.189574][    C3] 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)
[   16.189868][    C3] 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
[   16.190908][    C3] RSP: 0018:ffffc900002477b0 EFLAGS: 00010202
[   16.191268][    C3] RAX: ffffe8ffffd87030 RBX: ffff888004f94128 RCX: 0000000000000001
[   16.191718][    C3] RDX: ffff888009390f80 RSI: 0000000000000007 RDI: ffff888009390f86
[   16.192144][    C3] RBP: ffffc90000247858 R08: 0000000000000000 R09: ffffed10014c5439
[   16.192590][    C3] R10: ffff88800a62a1cf R11: ffffffff9f988540 R12: ffffc90000247960
[   16.193013][    C3] R13: 1ffff92000048efa R14: ffff888004f94170 R15: ffff88800948f2a8
[   16.193453][    C3] FS:  0000000000000000(0000) GS:ffff8880cc488000(0000) knlGS:0000000000000000
[   16.193950][    C3] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.194317][    C3] CR2: 00007f80ed2d01c0 CR3: 000000005c149003 CR4: 0000000000772ef0
[   16.194754][    C3] PKRU: 55555554
[   16.194968][    C3] Call Trace:
[   16.195179][    C3]  <TASK>
[   16.195328][    C3]  ? napi_disable (net/core/dev.c:4349)
[   16.195623][    C3]  ? write_profile (kernel/stacktrace.c:83)
[   16.195915][    C3]  __netif_receive_skb_core.constprop.0 (net/core/dev.c:4448 net/core/dev.c:5989)
[   16.196283][    C3]  ? stack_trace_save (kernel/stacktrace.c:123)
[   16.196584][    C3]  ? stack_trace_snprint (kernel/stacktrace.c:114)
[   16.196867][    C3]  ? check_noncircular (kernel/locking/lockdep.c:2160)
[   16.197148][    C3]  ? do_xdp_generic (net/core/dev.c:5908)
[   16.197450][    C3]  ? check_prev_add (kernel/locking/lockdep.c:3245)
[   16.197733][    C3]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.198013][    C3]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   16.198307][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.198601][    C3]  ? process_backlog (./include/linux/local_lock_internal.h:57 net/core/dev.c:6601)
[   16.198890][    C3]  __netif_receive_skb_one_core (net/core/dev.c:6137)
[   16.199239][    C3]  ? __netif_receive_skb_list_core (net/core/dev.c:6131)
[   16.199603][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   16.199885][    C3]  ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831)
[   16.200164][    C3]  ? process_backlog (./include/linux/local_lock_internal.h:57 net/core/dev.c:6601)
[   16.200462][    C3]  process_backlog (./include/linux/rcupdate.h:895 net/core/dev.c:6604)
[   16.200750][    C3]  __napi_poll.constprop.0 (net/core/dev.c:7668)
[   16.201039][    C3]  net_rx_action (net/core/dev.c:7730 net/core/dev.c:7882)
[   16.201326][    C3]  ? 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)
[   16.201693][    C3]  ? run_backlog_napi (net/core/dev.c:7844)
[   16.201974][    C3]  ? trace_sched_exit_tp (./include/trace/events/sched.h:886 (discriminator 21))
[   16.202254][    C3]  ? __schedule (kernel/sched/core.c:6785)
[   16.202563][    C3]  ? io_schedule_timeout (kernel/sched/core.c:6785)
[   16.202856][    C3]  handle_softirqs (kernel/softirq.c:623)
[   16.203143][    C3]  ? run_ktimerd (kernel/softirq.c:1056)
[   16.203445][    C3]  run_ksoftirqd (kernel/softirq.c:479 kernel/softirq.c:1064 kernel/softirq.c:1055)
[   16.203726][    C3]  smpboot_thread_fn (kernel/smpboot.c:160 (discriminator 3))
[   16.204010][    C3]  ? sort_range (kernel/smpboot.c:103)
[   16.204224][    C3]  kthread (kernel/kthread.c:463)
[   16.204455][    C3]  ? kthread_is_per_cpu (kernel/kthread.c:412)
[   16.204736][    C3]  ? ret_from_fork (arch/x86/kernel/process.c:157)
[   16.205019][    C3]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   16.205313][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   16.205607][    C3]  ? kthread_is_per_cpu (kernel/kthread.c:412)
[   16.205892][    C3]  ret_from_fork (arch/x86/kernel/process.c:164)
[   16.206170][    C3]  ? kthread_is_per_cpu (kernel/kthread.c:412)
[   16.206466][    C3]  ret_from_fork_asm (arch/x86/entry/entry_64.S:255)
| [   16.209556][    C3] ------------[ cut here ]------------
| [   16.209869][    C3] WARNING: CPU: 3 PID: 32 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
| [   16.210506][    C3] Modules linked in: act_mirred cls_u32 sch_ingress ifb
| [   16.211642][    C3] Tainted: [W]=WARN
[   16.211881][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.212273][    C3] 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
[   16.212688][    C3] 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
[   16.214047][    C3] RSP: 0018:ffffc90000247450 EFLAGS: 00010202
[   16.214667][    C3] RAX: ffff888009390f80 RBX: ffffe8ffffd87500 RCX: 0000000000000007
[   16.215139][    C3] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff888009390f86
[   16.215622][    C3] RBP: ffff888009642600 R08: 0000000000000003 R09: ffffc90000247760
[   16.216309][    C3] R10: 0000000000000000 R11: ffff888008fe9900 R12: ffff888004f94128
[   16.216789][    C3] R13: ffff88806d1b7fac R14: 0000000000000004 R15: ffff88806d1b7fa8
[   16.217254][    C3] FS:  0000000000000000(0000) GS:ffff8880cc488000(0000) knlGS:0000000000000000
[   16.218019][    C3] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.218430][    C3] CR2: 00007f80ed2d01c0 CR3: 000000005c149003 CR4: 0000000000772ef0
[   16.219116][    C3] PKRU: 55555554
[   16.219362][    C3] Call Trace:
[   16.219604][    C3]  <TASK>
[   16.219769][    C3]  tcf_action_exec.part.0 (./include/net/tc_wrapper.h:217 net/sched/act_api.c:1150)
[   16.220092][    C3] u32_classify (net/sched/cls_u32.c:194) cls_u32
[   16.220630][    C3]  ? u32_walk (net/sched/cls_u32.c:117) cls_u32
[   16.220934][    C3]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:255)
[   16.221236][    C3]  ? 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)
[   16.221476][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   16.221972][    C3]  ? 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)
[   16.222198][    C3]  ? add_taint (./arch/x86/include/asm/bitops.h:60 ./include/asm-generic/bitops/instrumented-atomic.h:29 kernel/panic.c:754)
[   16.222445][    C3]  ? __warn (kernel/panic.c:911)
[   16.222671][    C3]  ? 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)
[   16.222892][    C3]  ? nbcon_cpu_emergency_exit (./arch/x86/include/asm/preempt.h:104 kernel/printk/nbcon.c:1676)
[   16.223397][    C3]  ? report_bug (lib/bug.c:197 lib/bug.c:215)
[   16.223720][    C3]  __tcf_classify.constprop.0 (net/sched/cls_api.c:1767)
[   16.224025][    C3]  tcf_classify (net/sched/cls_api.c:1809)
[   16.224249][    C3]  ? __tcf_classify.constprop.0 (net/sched/cls_api.c:1809)
[   16.224837][    C3]  ? 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)
[   16.225077][    C3]  tc_run (net/core/dev.c:4373)
[   16.225319][    C3]  ? napi_disable (net/core/dev.c:4349)
[   16.225650][    C3]  __netif_receive_skb_core.constprop.0 (net/core/dev.c:4448 net/core/dev.c:5989)
[   16.226046][    C3]  ? stack_trace_save (kernel/stacktrace.c:123)
[   16.226575][    C3]  ? stack_trace_snprint (kernel/stacktrace.c:114)
[   16.226888][    C3]  ? check_noncircular (kernel/locking/lockdep.c:2160)
[   16.227199][    C3]  ? do_xdp_generic (net/core/dev.c:5908)
[   16.227733][    C3]  ? check_prev_add (kernel/locking/lockdep.c:3245)
[   16.228053][    C3]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.228373][    C3]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   16.228701][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.229031][    C3]  ? process_backlog (./include/linux/local_lock_internal.h:57 net/core/dev.c:6601)
[   16.229560][    C3]  __netif_receive_skb_one_core (net/core/dev.c:6137)
[   16.229949][    C3]  ? __netif_receive_skb_list_core (net/core/dev.c:6131)
[   16.230341][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   16.230860][    C3]  ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831)
[   16.231170][    C3]  ? process_backlog (./include/linux/local_lock_internal.h:57 net/core/dev.c:6601)
[   16.231495][    C3]  process_backlog (./include/linux/rcupdate.h:895 net/core/dev.c:6604)
[   16.231818][    C3]  __napi_poll.constprop.0 (net/core/dev.c:7668)
[   16.232328][    C3]  net_rx_action (net/core/dev.c:7730 net/core/dev.c:7882)
[   16.232653][    C3]  ? 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)
[   16.233039][    C3]  ? run_backlog_napi (net/core/dev.c:7844)
[   16.233340][    C3]  ? trace_sched_exit_tp (./include/trace/events/sched.h:886 (discriminator 21))
[   16.233644][    C3]  ? __schedule (kernel/sched/core.c:6785)
[   16.233945][    C3]  ? io_schedule_timeout (kernel/sched/core.c:6785)
[   16.234254][    C3]  handle_softirqs (kernel/softirq.c:623)
[   16.234571][    C3]  ? run_ktimerd (kernel/softirq.c:1056)
[   16.235065][    C3]  run_ksoftirqd (kernel/softirq.c:479 kernel/softirq.c:1064 kernel/softirq.c:1055)
[   16.235368][    C3]  smpboot_thread_fn (kernel/smpboot.c:160 (discriminator 3))
[   16.235670][    C3]  ? sort_range (kernel/smpboot.c:103)
[   16.235896][    C3]  kthread (kernel/kthread.c:463)
[   16.236328][    C3]  ? kthread_is_per_cpu (kernel/kthread.c:412)
[   16.236634][    C3]  ? ret_from_fork (arch/x86/kernel/process.c:157)
[   16.236936][    C3]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   16.237231][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   16.237740][    C3]  ? kthread_is_per_cpu (kernel/kthread.c:412)
[   16.238042][    C3]  ret_from_fork (arch/x86/kernel/process.c:164)
[   16.238352][    C3]  ? 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