======================================
| # 90.80 [+0.00] [  812.199595] veth1: left promiscuous mode
| # 90.80 [+0.00] [  812.200949] br1: port 1(veth1) entered disabled state
| # 90.80 [+0.00] [  837.579646] tc (6578) used greatest stack depth: 23024 bytes left
| # 90.80 [+0.00] [  874.064902] irq 51: nobody cared (try booting with the "irqpoll" option)
# 90.81 [+0.00] [  874.065696] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 90.81 [+0.00] [  874.065935] Call Trace:
# 90.81 [+0.00] [  874.066197]  <IRQ>
# 90.81 [+0.00] [  874.066296] dump_stack_lvl (lib/dump_stack.c:123) 
# 90.81 [+0.00] [  874.066491] __report_bad_irq (kernel/irq/spurious.c:214) 
# 90.81 [+0.00] [  874.066683] note_interrupt (kernel/irq/spurious.c:423) 
# 90.81 [+0.00] [  874.066874] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
# 90.81 [+0.00] [  874.067060] handle_edge_irq (kernel/irq/chip.c:833) 
# 90.81 [+0.00] [  874.067250] __common_interrupt (./include/linux/irqdesc.h:173 arch/x86/kernel/irq.c:247 arch/x86/kernel/irq.c:259 arch/x86/kernel/irq.c:285) 
# 90.82 [+0.00] [  874.067431] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14)) 
# 90.82 [+0.00] [  874.067614]  </IRQ>
# 90.82 [+0.00] [  874.067712]  <TASK>
# 90.82 [+0.00] [  874.067806] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
# 90.82 [+0.00] [  874.067997] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# 90.82 [+0.00] [ 874.068233] Code: 10 e8 f1 89 83 fd 48 89 ef e8 a9 fe 83 fd 81 e3 00 02 00 00 75 1d 9c 58 f6 c4 02 75 29 48 85 db 74 01 fb 65 ff 0d c5 83 36 6e <74> 0e 5b 5d c3 cc cc cc cc e8 df e6 a8 fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	f1                   	int1
   3:	89 83 fd 48 89 ef    	mov    %eax,-0x1076b703(%rbx)
   9:	e8 a9 fe 83 fd       	call   0xfffffffffd83feb7
   e:	81 e3 00 02 00 00    	and    $0x200,%ebx
  14:	75 1d                	jne    0x33
  16:	9c                   	pushf
  17:	58                   	pop    %rax
  18:	f6 c4 02             	test   $0x2,%ah
  1b:	75 29                	jne    0x46
  1d:	48 85 db             	test   %rbx,%rbx
  20:	74 01                	je     0x23
  22:	fb                   	sti
  23:	65 ff 0d c5 83 36 6e 	decl   %gs:0x6e3683c5(%rip)        # 0x6e3683ef
  2a:*	74 0e                	je     0x3a		<-- trapping instruction
  2c:	5b                   	pop    %rbx
  2d:	5d                   	pop    %rbp
  2e:	c3                   	ret
  2f:	cc                   	int3
  30:	cc                   	int3
  31:	cc                   	int3
  32:	cc                   	int3
  33:	e8 df e6 a8 fd       	call   0xfffffffffda8e717
  38:	eb dc                	jmp    0x16
  3a:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	74 0e                	je     0x10
   2:	5b                   	pop    %rbx
   3:	5d                   	pop    %rbp
   4:	c3                   	ret
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	cc                   	int3
   9:	e8 df e6 a8 fd       	call   0xfffffffffda8e6ed
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
# 90.83 [+0.00] [  874.068885] RSP: 0018:ffffc90003f37aa0 EFLAGS: 00000286
# 90.83 [+0.00] [  874.069130] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff2a040a8
# 90.83 [+0.00] [  874.069419] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff91cd4391
# 90.83 [+0.00] [  874.069696] RBP: ffffffff958e78a0 R08: 0000000000000001 R09: fffffbfff29ff7df
# 90.83 [+0.00] [  874.069970] R10: ffffffff94ffbeff R11: ffff88800dc7a300 R12: 00000000ffffffff
# 90.83 [+0.00] [  874.070244] R13: 0000000000000001 R14: ffffffff958e79a8 R15: 00000000ffffffff
# 90.84 [+0.00] [  874.070523] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
# 90.84 [+0.00] [  874.070767] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
# 90.85 [+0.01] [  874.070918] process_output_block (drivers/tty/n_tty.c:574) 
# 90.85 [+0.00] [  874.071105] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) 
# 90.85 [+0.00] [  874.071337] n_tty_write (drivers/tty/n_tty.c:2390) 
# 90.85 [+0.00] [  874.071527] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) 
# 90.86 [+0.00] [  874.071711] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
# 90.86 [+0.00] [  874.071893] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
# 90.86 [+0.00] [  874.072077] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
# 90.86 [+0.00] [  874.072263] ? lock_acquire (kernel/locking/lockdep.c:5822) 
# 90.86 [+0.00] [  874.072446] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
# 90.86 [+0.00] [  874.072633] iterate_tty_write (drivers/tty/tty_io.c:1015) 
# 90.86 [+0.00] [  874.072820] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
# 90.86 [+0.00] [  874.073002] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
# 90.86 [+0.00] [  874.073190] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
# 90.87 [+0.00] [  874.073328] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) 
# 90.87 [+0.00] [  874.073512] ? __pfx_vfs_write (fs/read_write.c:660) 
# 90.87 [+0.00] [  874.073703] ? clockevents_program_event (kernel/time/clockevents.c:326) 
# 90.87 [+0.00] [  874.073898] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
# 90.87 [+0.00] [  874.074127] ksys_write (fs/read_write.c:731) 
# 90.87 [+0.00] [  874.074266] ? __pfx_ksys_write (fs/read_write.c:721) 
# 90.87 [+0.00] [  874.074455] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
# 90.87 [+0.00] [  874.074641] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# 90.87 [+0.00] [  874.074867] RIP: 0033:0x7fe84261e957
# 90.88 [+0.00] [ 874.075054] Code: 0b 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:	0b 00                	or     (%rax),%eax
   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
# 90.88 [+0.01] [  874.075690] RSP: 002b:00007ffdae81f988 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
# 90.88 [+0.00] [  874.075963] RAX: ffffffffffffffda RBX: 000055a1aaebc3f0 RCX: 00007fe84261e957
# 90.88 [+0.00] [  874.076229] RDX: 0000000000000001 RSI: 000055a1aaebc3f0 RDI: 0000000000000001
# 90.89 [+0.00] [  874.076501] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
# 90.89 [+0.00] [  874.076868] R10: 0000000000000001 R11: 0000000000000246 R12: 000055a1aaea75e0
# 90.89 [+0.00] [  874.077202] R13: 000055a1aae882a0 R14: 0000000000000001 R15: 000055a1aaea75e0
| xx__-> echo $?
| 0
| xx__-> [  837.579646][ T6578] tc (6578) used greatest stack depth: 23024 bytes left
| [  874.064902][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[  874.065696][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  874.065935][    C0] Call Trace:
[  874.066197][    C0]  <IRQ>
[ 874.066296][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 874.066491][ C0] __report_bad_irq (kernel/irq/spurious.c:214) 
[ 874.066683][ C0] note_interrupt (kernel/irq/spurious.c:423) 
[ 874.066874][ C0] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
[ 874.067060][ C0] handle_edge_irq (kernel/irq/chip.c:833) 
[ 874.067250][ C0] __common_interrupt (./include/linux/irqdesc.h:173 arch/x86/kernel/irq.c:247 arch/x86/kernel/irq.c:259 arch/x86/kernel/irq.c:285) 
[ 874.067431][ C0] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14)) 
[  874.067614][    C0]  </IRQ>
[  874.067712][    C0]  <TASK>
[ 874.067806][ C0] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
[ 874.067997][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 874.068233][ C0] Code: 10 e8 f1 89 83 fd 48 89 ef e8 a9 fe 83 fd 81 e3 00 02 00 00 75 1d 9c 58 f6 c4 02 75 29 48 85 db 74 01 fb 65 ff 0d c5 83 36 6e <74> 0e 5b 5d c3 cc cc cc cc e8 df e6 a8 fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	f1                   	int1
   3:	89 83 fd 48 89 ef    	mov    %eax,-0x1076b703(%rbx)
   9:	e8 a9 fe 83 fd       	call   0xfffffffffd83feb7
   e:	81 e3 00 02 00 00    	and    $0x200,%ebx
  14:	75 1d                	jne    0x33
  16:	9c                   	pushf
  17:	58                   	pop    %rax
  18:	f6 c4 02             	test   $0x2,%ah
  1b:	75 29                	jne    0x46
  1d:	48 85 db             	test   %rbx,%rbx
  20:	74 01                	je     0x23
  22:	fb                   	sti
  23:	65 ff 0d c5 83 36 6e 	decl   %gs:0x6e3683c5(%rip)        # 0x6e3683ef
  2a:*	74 0e                	je     0x3a		<-- trapping instruction
  2c:	5b                   	pop    %rbx
  2d:	5d                   	pop    %rbp
  2e:	c3                   	ret
  2f:	cc                   	int3
  30:	cc                   	int3
  31:	cc                   	int3
  32:	cc                   	int3
  33:	e8 df e6 a8 fd       	call   0xfffffffffda8e717
  38:	eb dc                	jmp    0x16
  3a:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	74 0e                	je     0x10
   2:	5b                   	pop    %rbx
   3:	5d                   	pop    %rbp
   4:	c3                   	ret
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	cc                   	int3
   9:	e8 df e6 a8 fd       	call   0xfffffffffda8e6ed
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
[  874.068885][    C0] RSP: 0018:ffffc90003f37aa0 EFLAGS: 00000286
[  874.069130][    C0] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff2a040a8
[  874.069419][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff91cd4391
[  874.069696][    C0] RBP: ffffffff958e78a0 R08: 0000000000000001 R09: fffffbfff29ff7df
[  874.069970][    C0] R10: ffffffff94ffbeff R11: ffff88800dc7a300 R12: 00000000ffffffff
[  874.070244][    C0] R13: 0000000000000001 R14: ffffffff958e79a8 R15: 00000000ffffffff
[ 874.070523][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 874.070767][ C0] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
[ 874.070918][ C0] process_output_block (drivers/tty/n_tty.c:574) 
[ 874.071105][ C0] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) 
[ 874.071337][ C0] n_tty_write (drivers/tty/n_tty.c:2390) 
[ 874.071527][ C0] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) 
[ 874.071711][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 874.071893][ C0] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
[ 874.072077][ C0] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
[ 874.072263][ C0] ? lock_acquire (kernel/locking/lockdep.c:5822) 
[ 874.072446][ C0] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
[ 874.072633][ C0] iterate_tty_write (drivers/tty/tty_io.c:1015) 
[ 874.072820][ C0] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
[ 874.073002][ C0] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
[ 874.073190][ C0] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 874.073328][ C0] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) 
[ 874.073512][ C0] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 874.073703][ C0] ? clockevents_program_event (kernel/time/clockevents.c:326) 
[ 874.073898][ C0] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 874.074127][ C0] ksys_write (fs/read_write.c:731) 
[ 874.074266][ C0] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 874.074455][ C0] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 874.074641][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  874.074867][    C0] RIP: 0033:0x7fe84261e957
[ 874.075054][ C0] Code: 0b 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:	0b 00                	or     (%rax),%eax
   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
[  874.075690][    C0] RSP: 002b:00007ffdae81f988 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  874.075963][    C0] RAX: ffffffffffffffda RBX: 000055a1aaebc3f0 RCX: 00007fe84261e957
[  874.076229][    C0] RDX: 0000000000000001 RSI: 000055a1aaebc3f0 RDI: 0000000000000001
[  874.076501][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  874.076868][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 000055a1aaea75e0


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