======================================
| # 98.79 [+0.00] [ 1568.256572] lag1: Port device veth6 removed
| # 98.79 [+0.00] [ 1568.353775] lag1: Port device veth0 removed
| # 98.79 [+0.00] [ 1595.145388] Mirror/redirect action on
| # 98.79 [+0.00] [ 1674.017275] irq 51: nobody cared (try booting with the "irqpoll" option)
# 98.80 [+0.00] [ 1674.017795] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 98.80 [+0.00] [ 1674.017797] Call Trace:
# 98.80 [+0.00] [ 1674.017799]  <IRQ>
# 98.80 [+0.00] [ 1674.017802] dump_stack_lvl (lib/dump_stack.c:123) 
# 98.80 [+0.00] [ 1674.017816] __report_bad_irq (kernel/irq/spurious.c:170) 
# 98.80 [+0.00] [ 1674.017826] note_interrupt (kernel/irq/spurious.c:372) 
# 98.80 [+0.00] [ 1674.017834] handle_irq_event (kernel/irq/handle.c:245 kernel/irq/handle.c:257) 
# 98.80 [+0.00] [ 1674.017840] handle_edge_irq (kernel/irq/chip.c:857) 
# 98.80 [+0.00] [ 1674.017850] __common_interrupt (./include/asm-generic/irq_regs.h:28 arch/x86/kernel/irq.c:328) 
# 98.81 [+0.00] [ 1674.017859] common_interrupt (arch/x86/kernel/irq.c:318 (discriminator 14)) 
# 98.81 [+0.00] [ 1674.017864]  </IRQ>
# 98.81 [+0.00] [ 1674.017865]  <TASK>
# 98.81 [+0.00] [ 1674.017869] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
# 98.81 [+0.00] [ 1674.017874] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# 98.81 [+0.00] [ 1674.017881] Code: 74 24 10 e8 d1 cc 00 fe 48 89 ef e8 f9 1b 01 fe 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 <e8> 0a 53 f5 fd 65 8b 05 53 99 09 02 85 c0 74 0a 5b 5d c3 e8 a7 d8
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	d1 cc                	ror    $1,%esp
   6:	00 fe                	add    %bh,%dh
   8:	48 89 ef             	mov    %rbp,%rdi
   b:	e8 f9 1b 01 fe       	call   0xfffffffffe011c09
  10:	81 e3 00 02 00 00    	and    $0x200,%ebx
  16:	75 25                	jne    0x3d
  18:	9c                   	pushf
  19:	58                   	pop    %rax
  1a:	f6 c4 02             	test   $0x2,%ah
  1d:	75 2d                	jne    0x4c
  1f:	48 85 db             	test   %rbx,%rbx
  22:	74 01                	je     0x25
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
  2a:*	e8 0a 53 f5 fd       	call   0xfffffffffdf55339		<-- trapping instruction
  2f:	65 8b 05 53 99 09 02 	mov    %gs:0x2099953(%rip),%eax        # 0x2099989
  36:	85 c0                	test   %eax,%eax
  38:	74 0a                	je     0x44
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	c3                   	ret
  3d:	e8                   	.byte 0xe8
  3e:	a7                   	cmpsl  %es:(%rdi),%ds:(%rsi)
  3f:	d8                   	.byte 0xd8

Code starting with the faulting instruction
===========================================
   0:	e8 0a 53 f5 fd       	call   0xfffffffffdf5530f
   5:	65 8b 05 53 99 09 02 	mov    %gs:0x2099953(%rip),%eax        # 0x209995f
   c:	85 c0                	test   %eax,%eax
   e:	74 0a                	je     0x1a
  10:	5b                   	pop    %rbx
  11:	5d                   	pop    %rbp
  12:	c3                   	ret
  13:	e8                   	.byte 0xe8
  14:	a7                   	cmpsl  %es:(%rdi),%ds:(%rsi)
  15:	d8                   	.byte 0xd8
# 98.81 [+0.00] [ 1674.017885] RSP: 0018:ffffc90002e17a98 EFLAGS: 00000206
# 98.82 [+0.00] [ 1674.017890] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 0000000000000040
# 98.82 [+0.00] [ 1674.017892] RDX: 0000000000000000 RSI: ffffffffafbcfae3 RDI: 0000000000000001
# 98.82 [+0.00] [ 1674.017894] RBP: ffffffffb245e440 R08: 0000000000000001 R09: 0000000000000001
# 98.82 [+0.00] [ 1674.017896] R10: ffffffffb0a1c617 R11: ffff888005e88970 R12: 00000000ffffffff
# 98.82 [+0.00] [ 1674.017898] R13: 0000000000000001 R14: ffffffffb245e548 R15: 00000000ffffffff
# 98.82 [+0.00] [ 1674.017915] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:92 drivers/tty/serial/serial_core.c:88 drivers/tty/serial/serial_core.c:637) 
# 98.83 [+0.00] [ 1674.017926] process_output_block (drivers/tty/n_tty.c:561) 
# 98.83 [+0.00] [ 1674.017937] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
# 98.83 [+0.00] [ 1674.017948] n_tty_write (drivers/tty/n_tty.c:2378) 
# 98.83 [+0.00] [ 1674.017953] ? _copy_from_iter (./arch/x86/include/asm/uaccess_64.h:126 ./arch/x86/include/asm/uaccess_64.h:141 lib/iov_iter.c:55 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:249 lib/iov_iter.c:260) 
# 98.83 [+0.00] [ 1674.017973] ? n_tty_receive_signal_char (drivers/tty/n_tty.c:2348) 
# 98.83 [+0.00] [ 1674.017984] ? __init_waitqueue_head (kernel/sched/wait.c:458) 
# 98.83 [+0.00] [ 1674.017991] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831) 
# 98.83 [+0.00] [ 1674.017998] ? iterate_tty_write (drivers/tty/tty_io.c:939 drivers/tty/tty_io.c:958) 
# 98.83 [+0.00] [ 1674.018019] iterate_tty_write (drivers/tty/tty_io.c:1007) 
# 98.84 [+0.00] [ 1674.018030] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
# 98.84 [+0.00] [ 1674.018043] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1081) 
# 98.84 [+0.00] [ 1674.018055] vfs_write (fs/read_write.c:594 fs/read_write.c:686) 
# 98.84 [+0.00] [ 1674.018068] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
# 98.84 [+0.00] [ 1674.018076] ? kernel_write (fs/read_write.c:667) 
# 98.84 [+0.00] [ 1674.018081] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# 98.84 [+0.00] [ 1674.018094] ? spin_bug (kernel/locking/spinlock_debug.c:114) 
# 98.84 [+0.00] [ 1674.018109] ? rcu_core (kernel/rcu/rcu.h:138 kernel/rcu/tree.c:221 kernel/rcu/tree.c:2848) 
# 98.84 [+0.00] [ 1674.018116] ? __lock_release (kernel/locking/lockdep.c:5536) 
# 98.84 [+0.00] [ 1674.018133] ksys_write (fs/read_write.c:738) 
# 98.85 [+0.00] [ 1674.018140] ? __ia32_sys_read (fs/read_write.c:728) 
# 98.86 [+0.02] [ 1674.018146] ? handle_softirqs (./arch/x86/include/asm/preempt.h:27 kernel/softirq.c:469 kernel/softirq.c:650) 
# 98.87 [+0.01] [ 1674.018158] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
# 98.87 [+0.00] [ 1674.018164] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# 98.87 [+0.00] [ 1674.018167] RIP: 0033:0x7f4d08d81257
# 98.87 [+0.00] [ 1674.018172] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0f 00                	(bad)
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
# 98.88 [+0.00] [ 1674.018175] RSP: 002b:00007fffff1287e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
# 98.88 [+0.00] [ 1674.018178] RAX: ffffffffffffffda RBX: 00005557e49712e0 RCX: 00007f4d08d81257
# 98.88 [+0.00] [ 1674.018180] RDX: 0000000000000001 RSI: 00005557e49712e0 RDI: 0000000000000001
# 98.88 [+0.00] [ 1674.018182] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
# 98.88 [+0.00] [ 1674.018184] R10: 0000000000000001 R11: 0000000000000246 R12: 00005557e495c600
# 98.88 [+0.00] [ 1674.018185] R13: 00005557e493d2a0 R14: 0000000000000001 R15: 00005557e495c600
| xx__-> echo $?
| 0
| xx__-> [ 1595.145388][T14707] Mirror/redirect action on
| [ 1674.017275][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[ 1674.017795][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1674.017797][    C0] Call Trace:
[ 1674.017799][    C0]  <IRQ>
[ 1674.017802][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1674.017816][ C0] __report_bad_irq (kernel/irq/spurious.c:170) 
[ 1674.017826][ C0] note_interrupt (kernel/irq/spurious.c:372) 
[ 1674.017834][ C0] handle_irq_event (kernel/irq/handle.c:245 kernel/irq/handle.c:257) 
[ 1674.017840][ C0] handle_edge_irq (kernel/irq/chip.c:857) 
[ 1674.017850][ C0] __common_interrupt (./include/asm-generic/irq_regs.h:28 arch/x86/kernel/irq.c:328) 
[ 1674.017859][ C0] common_interrupt (arch/x86/kernel/irq.c:318 (discriminator 14)) 
[ 1674.017864][    C0]  </IRQ>
[ 1674.017865][    C0]  <TASK>
[ 1674.017869][ C0] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
[ 1674.017874][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1674.017881][ C0] Code: 74 24 10 e8 d1 cc 00 fe 48 89 ef e8 f9 1b 01 fe 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 <e8> 0a 53 f5 fd 65 8b 05 53 99 09 02 85 c0 74 0a 5b 5d c3 e8 a7 d8
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	d1 cc                	ror    $1,%esp
   6:	00 fe                	add    %bh,%dh
   8:	48 89 ef             	mov    %rbp,%rdi
   b:	e8 f9 1b 01 fe       	call   0xfffffffffe011c09
  10:	81 e3 00 02 00 00    	and    $0x200,%ebx
  16:	75 25                	jne    0x3d
  18:	9c                   	pushf
  19:	58                   	pop    %rax
  1a:	f6 c4 02             	test   $0x2,%ah
  1d:	75 2d                	jne    0x4c
  1f:	48 85 db             	test   %rbx,%rbx
  22:	74 01                	je     0x25
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
  2a:*	e8 0a 53 f5 fd       	call   0xfffffffffdf55339		<-- trapping instruction
  2f:	65 8b 05 53 99 09 02 	mov    %gs:0x2099953(%rip),%eax        # 0x2099989
  36:	85 c0                	test   %eax,%eax
  38:	74 0a                	je     0x44
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	c3                   	ret
  3d:	e8                   	.byte 0xe8
  3e:	a7                   	cmpsl  %es:(%rdi),%ds:(%rsi)
  3f:	d8                   	.byte 0xd8

Code starting with the faulting instruction
===========================================
   0:	e8 0a 53 f5 fd       	call   0xfffffffffdf5530f
   5:	65 8b 05 53 99 09 02 	mov    %gs:0x2099953(%rip),%eax        # 0x209995f
   c:	85 c0                	test   %eax,%eax
   e:	74 0a                	je     0x1a
  10:	5b                   	pop    %rbx
  11:	5d                   	pop    %rbp
  12:	c3                   	ret
  13:	e8                   	.byte 0xe8
  14:	a7                   	cmpsl  %es:(%rdi),%ds:(%rsi)
  15:	d8                   	.byte 0xd8
[ 1674.017885][    C0] RSP: 0018:ffffc90002e17a98 EFLAGS: 00000206
[ 1674.017890][    C0] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 0000000000000040
[ 1674.017892][    C0] RDX: 0000000000000000 RSI: ffffffffafbcfae3 RDI: 0000000000000001
[ 1674.017894][    C0] RBP: ffffffffb245e440 R08: 0000000000000001 R09: 0000000000000001
[ 1674.017896][    C0] R10: ffffffffb0a1c617 R11: ffff888005e88970 R12: 00000000ffffffff
[ 1674.017898][    C0] R13: 0000000000000001 R14: ffffffffb245e548 R15: 00000000ffffffff
[ 1674.017915][ C0] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:92 drivers/tty/serial/serial_core.c:88 drivers/tty/serial/serial_core.c:637) 
[ 1674.017926][ C0] process_output_block (drivers/tty/n_tty.c:561) 
[ 1674.017937][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 1674.017948][ C0] n_tty_write (drivers/tty/n_tty.c:2378) 
[ 1674.017953][ C0] ? _copy_from_iter (./arch/x86/include/asm/uaccess_64.h:126 ./arch/x86/include/asm/uaccess_64.h:141 lib/iov_iter.c:55 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:249 lib/iov_iter.c:260) 
[ 1674.017973][ C0] ? n_tty_receive_signal_char (drivers/tty/n_tty.c:2348) 
[ 1674.017984][ C0] ? __init_waitqueue_head (kernel/sched/wait.c:458) 
[ 1674.017991][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831) 
[ 1674.017998][ C0] ? iterate_tty_write (drivers/tty/tty_io.c:939 drivers/tty/tty_io.c:958) 
[ 1674.018019][ C0] iterate_tty_write (drivers/tty/tty_io.c:1007) 
[ 1674.018030][ C0] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
[ 1674.018043][ C0] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1081) 
[ 1674.018055][ C0] vfs_write (fs/read_write.c:594 fs/read_write.c:686) 
[ 1674.018068][ C0] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 1674.018076][ C0] ? kernel_write (fs/read_write.c:667) 
[ 1674.018081][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1674.018094][ C0] ? spin_bug (kernel/locking/spinlock_debug.c:114) 
[ 1674.018109][ C0] ? rcu_core (kernel/rcu/rcu.h:138 kernel/rcu/tree.c:221 kernel/rcu/tree.c:2848) 
[ 1674.018116][ C0] ? __lock_release (kernel/locking/lockdep.c:5536) 
[ 1674.018133][ C0] ksys_write (fs/read_write.c:738) 
[ 1674.018140][ C0] ? __ia32_sys_read (fs/read_write.c:728) 
[ 1674.018146][ C0] ? handle_softirqs (./arch/x86/include/asm/preempt.h:27 kernel/softirq.c:469 kernel/softirq.c:650) 
[ 1674.018158][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 1674.018164][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1674.018167][    C0] RIP: 0033:0x7f4d08d81257
[ 1674.018172][ C0] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0f 00                	(bad)
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[ 1674.018175][    C0] RSP: 002b:00007fffff1287e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1674.018178][    C0] RAX: ffffffffffffffda RBX: 00005557e49712e0 RCX: 00007f4d08d81257
[ 1674.018180][    C0] RDX: 0000000000000001 RSI: 00005557e49712e0 RDI: 0000000000000001
[ 1674.018182][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1674.018184][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 00005557e495c600


Finger prints:
__report_bad_irq:note_interrupt:handle_irq_event:handle_edge_irq:__common_interrupt