======================================
| # 78.28 [+0.00] [  812.563117] veth1: left promiscuous mode
| # 78.28 [+0.00] [  812.563631] br1: port 1(veth1) entered disabled state
| # 78.28 [+0.00] [ 1039.058471] tc (7949) used greatest stack depth: 23688 bytes left
| # 78.29 [+0.00] [ 1045.419558] irq 51: nobody cared (try booting with the "irqpoll" option)
# 78.29 [+0.00] [ 1045.420300] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 78.29 [+0.00] [ 1045.420303] Call Trace:
# 78.29 [+0.00] [ 1045.420305]  <IRQ>
# 78.29 [+0.00] [ 1045.420308] dump_stack_lvl (lib/dump_stack.c:123) 
# 78.29 [+0.00] [ 1045.420318] __report_bad_irq (kernel/irq/spurious.c:214) 
# 78.29 [+0.00] [ 1045.420329] note_interrupt (kernel/irq/spurious.c:423) 
# 78.29 [+0.00] [ 1045.420337] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
# 78.29 [+0.00] [ 1045.420343] handle_edge_irq (kernel/irq/chip.c:833) 
# 78.30 [+0.00] [ 1045.420353] __common_interrupt (./include/linux/irqdesc.h:173 arch/x86/kernel/irq.c:254 arch/x86/kernel/irq.c:266 arch/x86/kernel/irq.c:292) 
# 78.30 [+0.00] [ 1045.420360] common_interrupt (arch/x86/kernel/irq.c:285 (discriminator 14)) 
# 78.30 [+0.00] [ 1045.420366]  </IRQ>
# 78.30 [+0.00] [ 1045.420368]  <TASK>
# 78.30 [+0.00] [ 1045.420371] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
# 78.30 [+0.00] [ 1045.420376] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# 78.30 [+0.00] [ 1045.420381] Code: 74 24 10 e8 11 24 7f fd 48 89 ef e8 89 76 7f fd 81 e3 00 02 00 00 75 29 9c 58 f6 c4 02 75 35 48 85 db 74 01 fb bf 01 00 00 00 <e8> aa 7e 73 fd 65 8b 05 63 98 95 02 85 c0 74 0e 5b 5d e9 c8 34 00
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	11 24 7f             	adc    %esp,(%rdi,%rdi,2)
   7:	fd                   	std
   8:	48 89 ef             	mov    %rbp,%rdi
   b:	e8 89 76 7f fd       	call   0xfffffffffd7f7699
  10:	81 e3 00 02 00 00    	and    $0x200,%ebx
  16:	75 29                	jne    0x41
  18:	9c                   	pushf
  19:	58                   	pop    %rax
  1a:	f6 c4 02             	test   $0x2,%ah
  1d:	75 35                	jne    0x54
  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 aa 7e 73 fd       	call   0xfffffffffd737ed9		<-- trapping instruction
  2f:	65 8b 05 63 98 95 02 	mov    %gs:0x2959863(%rip),%eax        # 0x2959899
  36:	85 c0                	test   %eax,%eax
  38:	74 0e                	je     0x48
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	e9                   	.byte 0xe9
  3d:	c8                   	.byte 0xc8
  3e:	34 00                	xor    $0x0,%al

Code starting with the faulting instruction
===========================================
   0:	e8 aa 7e 73 fd       	call   0xfffffffffd737eaf
   5:	65 8b 05 63 98 95 02 	mov    %gs:0x2959863(%rip),%eax        # 0x295986f
   c:	85 c0                	test   %eax,%eax
   e:	74 0e                	je     0x1e
  10:	5b                   	pop    %rbx
  11:	5d                   	pop    %rbp
  12:	e9                   	.byte 0xe9
  13:	c8                   	.byte 0xc8
  14:	34 00                	xor    $0x0,%al
# 78.31 [+0.00] [ 1045.420385] RSP: 0018:ffffc90006727aa0 EFLAGS: 00000206
# 78.31 [+0.00] [ 1045.420389] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 0000000000000040
# 78.31 [+0.00] [ 1045.420391] RDX: 0000000000000000 RSI: ffffffff96c9ac1d RDI: 0000000000000001
# 78.31 [+0.00] [ 1045.420393] RBP: ffffffff99b98d80 R08: 0000000000000001 R09: 0000000000000001
# 78.31 [+0.00] [ 1045.420396] R10: ffffffff97bf2b97 R11: ffff888005c78970 R12: 00000000ffffffff
# 78.31 [+0.00] [ 1045.420398] R13: 0000000000000001 R14: ffffffff99b98e88 R15: 00000000ffffffff
# 78.31 [+0.00] [ 1045.420414] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
# 78.32 [+0.00] [ 1045.420425] process_output_block (drivers/tty/n_tty.c:561) 
# 78.32 [+0.00] [ 1045.420431] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
# 78.32 [+0.00] [ 1045.420438] n_tty_write (drivers/tty/n_tty.c:2378) 
# 78.32 [+0.00] [ 1045.420448] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2348) 
# 78.32 [+0.00] [ 1045.420454] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
# 78.32 [+0.00] [ 1045.420461] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
# 78.32 [+0.00] [ 1045.420465] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
# 78.32 [+0.00] [ 1045.420475] iterate_tty_write (drivers/tty/tty_io.c:1015) 
# 78.32 [+0.00] [ 1045.420483] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
# 78.32 [+0.00] [ 1045.420491] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
# 78.33 [+0.00] [ 1045.420499] vfs_write (fs/read_write.c:591 fs/read_write.c:684) 
# 78.33 [+0.00] [ 1045.420508] ? find_held_lock (kernel/locking/lockdep.c:5348) 
# 78.33 [+0.00] [ 1045.420512] ? __pfx_vfs_write (fs/read_write.c:665) 
# 78.33 [+0.00] [ 1045.420521] ? clockevents_program_event (kernel/time/clockevents.c:326) 
# 78.33 [+0.00] [ 1045.420533] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
# 78.33 [+0.00] [ 1045.420541] ksys_write (fs/read_write.c:736) 
# 78.33 [+0.00] [ 1045.420547] ? __pfx_ksys_write (fs/read_write.c:726) 
# 78.33 [+0.00] [ 1045.420559] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
# 78.33 [+0.00] [ 1045.420565] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# 78.33 [+0.00] [ 1045.420568] RIP: 0033:0x7fd0eed2bb77
# 78.34 [+0.00] [ 1045.420573] 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
# 78.35 [+0.01] [ 1045.420575] RSP: 002b:00007ffff934d1d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
# 78.35 [+0.00] [ 1045.420578] RAX: ffffffffffffffda RBX: 000055fc67be63f0 RCX: 00007fd0eed2bb77
# 78.35 [+0.00] [ 1045.420580] RDX: 0000000000000001 RSI: 000055fc67be63f0 RDI: 0000000000000001
# 78.35 [+0.00] [ 1045.420582] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
# 78.35 [+0.00] [ 1045.420583] R10: 0000000000000001 R11: 0000000000000246 R12: 000055fc67bd15e0
# 78.36 [+0.00] [ 1045.420585] R13: 000055fc67bb22a0 R14: 0000000000000001 R15: 000055fc67bd15e0
| xx__-> echo $?
| 0
| xx__-> [ 1039.058471][ T7949] tc (7949) used greatest stack depth: 23688 bytes left
| [ 1045.419558][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[ 1045.420300][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1045.420303][    C0] Call Trace:
[ 1045.420305][    C0]  <IRQ>
[ 1045.420308][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1045.420318][ C0] __report_bad_irq (kernel/irq/spurious.c:214) 
[ 1045.420329][ C0] note_interrupt (kernel/irq/spurious.c:423) 
[ 1045.420337][ C0] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
[ 1045.420343][ C0] handle_edge_irq (kernel/irq/chip.c:833) 
[ 1045.420353][ C0] __common_interrupt (./include/linux/irqdesc.h:173 arch/x86/kernel/irq.c:254 arch/x86/kernel/irq.c:266 arch/x86/kernel/irq.c:292) 
[ 1045.420360][ C0] common_interrupt (arch/x86/kernel/irq.c:285 (discriminator 14)) 
[ 1045.420366][    C0]  </IRQ>
[ 1045.420368][    C0]  <TASK>
[ 1045.420371][ C0] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
[ 1045.420376][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1045.420381][ C0] Code: 74 24 10 e8 11 24 7f fd 48 89 ef e8 89 76 7f fd 81 e3 00 02 00 00 75 29 9c 58 f6 c4 02 75 35 48 85 db 74 01 fb bf 01 00 00 00 <e8> aa 7e 73 fd 65 8b 05 63 98 95 02 85 c0 74 0e 5b 5d e9 c8 34 00
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	11 24 7f             	adc    %esp,(%rdi,%rdi,2)
   7:	fd                   	std
   8:	48 89 ef             	mov    %rbp,%rdi
   b:	e8 89 76 7f fd       	call   0xfffffffffd7f7699
  10:	81 e3 00 02 00 00    	and    $0x200,%ebx
  16:	75 29                	jne    0x41
  18:	9c                   	pushf
  19:	58                   	pop    %rax
  1a:	f6 c4 02             	test   $0x2,%ah
  1d:	75 35                	jne    0x54
  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 aa 7e 73 fd       	call   0xfffffffffd737ed9		<-- trapping instruction
  2f:	65 8b 05 63 98 95 02 	mov    %gs:0x2959863(%rip),%eax        # 0x2959899
  36:	85 c0                	test   %eax,%eax
  38:	74 0e                	je     0x48
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	e9                   	.byte 0xe9
  3d:	c8                   	.byte 0xc8
  3e:	34 00                	xor    $0x0,%al

Code starting with the faulting instruction
===========================================
   0:	e8 aa 7e 73 fd       	call   0xfffffffffd737eaf
   5:	65 8b 05 63 98 95 02 	mov    %gs:0x2959863(%rip),%eax        # 0x295986f
   c:	85 c0                	test   %eax,%eax
   e:	74 0e                	je     0x1e
  10:	5b                   	pop    %rbx
  11:	5d                   	pop    %rbp
  12:	e9                   	.byte 0xe9
  13:	c8                   	.byte 0xc8
  14:	34 00                	xor    $0x0,%al
[ 1045.420385][    C0] RSP: 0018:ffffc90006727aa0 EFLAGS: 00000206
[ 1045.420389][    C0] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 0000000000000040
[ 1045.420391][    C0] RDX: 0000000000000000 RSI: ffffffff96c9ac1d RDI: 0000000000000001
[ 1045.420393][    C0] RBP: ffffffff99b98d80 R08: 0000000000000001 R09: 0000000000000001
[ 1045.420396][    C0] R10: ffffffff97bf2b97 R11: ffff888005c78970 R12: 00000000ffffffff
[ 1045.420398][    C0] R13: 0000000000000001 R14: ffffffff99b98e88 R15: 00000000ffffffff
[ 1045.420414][ C0] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
[ 1045.420425][ C0] process_output_block (drivers/tty/n_tty.c:561) 
[ 1045.420431][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 1045.420438][ C0] n_tty_write (drivers/tty/n_tty.c:2378) 
[ 1045.420448][ C0] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2348) 
[ 1045.420454][ C0] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
[ 1045.420461][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 1045.420465][ C0] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
[ 1045.420475][ C0] iterate_tty_write (drivers/tty/tty_io.c:1015) 
[ 1045.420483][ C0] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
[ 1045.420491][ C0] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
[ 1045.420499][ C0] vfs_write (fs/read_write.c:591 fs/read_write.c:684) 
[ 1045.420508][ C0] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 1045.420512][ C0] ? __pfx_vfs_write (fs/read_write.c:665) 
[ 1045.420521][ C0] ? clockevents_program_event (kernel/time/clockevents.c:326) 
[ 1045.420533][ C0] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 1045.420541][ C0] ksys_write (fs/read_write.c:736) 
[ 1045.420547][ C0] ? __pfx_ksys_write (fs/read_write.c:726) 
[ 1045.420559][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 1045.420565][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1045.420568][    C0] RIP: 0033:0x7fd0eed2bb77
[ 1045.420573][ 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
[ 1045.420575][    C0] RSP: 002b:00007ffff934d1d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1045.420578][    C0] RAX: ffffffffffffffda RBX: 000055fc67be63f0 RCX: 00007fd0eed2bb77
[ 1045.420580][    C0] RDX: 0000000000000001 RSI: 000055fc67be63f0 RDI: 0000000000000001
[ 1045.420582][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1045.420583][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 000055fc67bd15e0


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