======================================
| [   16.992160][  T279] fbond: entered promiscuous mode
| [   16.993333][  T279] ------------[ cut here ]------------
| [ 16.993641][ T279] WARNING: CPU: 3 PID: 279 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   16.994278][  T279] Modules linked in:
[   16.995180][  T279] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 16.995549][ T279] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 16.995879][ T279] Code: 00 00 8b 05 97 63 35 02 85 c0 0f 84 52 fe ff ff 48 8d bb 80 0c 00 00 be ff ff ff ff e8 da 7c 82 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 63 35 02    	mov    0x2356397(%rip),%eax        # 0x235639f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb 80 0c 00 00 	lea    0xc80(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da 7c 82 00       	call   0x827cfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   16.996955][  T279] RSP: 0000:ffffc90000c76ef0 EFLAGS: 00010246
[   16.997332][  T279] RAX: 0000000000000000 RBX: ffff88800aa5a000 RCX: 0000000000000001
[   16.997792][  T279] RDX: 0000000000000000 RSI: ffffffffa94e6e91 RDI: ffffffffa8c555a0
[   16.998269][  T279] RBP: ffffc90000c76fe0 R08: 0000000000000000 R09: 0000000000000000
[   16.998737][  T279] R10: ffffc90000c77010 R11: ffffffffaa2cd718 R12: 1ffff9200018ede2
[   16.999214][  T279] R13: 00000000000005dc R14: ffffc90000c77010 R15: ffff88800aa5aef8
[   16.999683][  T279] FS:  00007faa21b26800(0000) GS:ffff88808adc8000(0000) knlGS:0000000000000000
[   17.000220][  T279] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.000601][  T279] CR2: 00007f2ec62f3840 CR3: 00000000091d7002 CR4: 0000000000772ef0
[   17.001074][  T279] PKRU: 55555554
[   17.001314][  T279] Call Trace:
[   17.001542][  T279]  <TASK>
[ 17.001701][ T279] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 17.002016][ T279] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.002325][ T279] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 17.002632][ T279] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 17.003026][ T279] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 17.003338][ T279] netif_set_mtu (net/core/dev.c:9652) 
[ 17.003643][ T279] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 17.003971][ T279] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 17.004202][ T279] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 17.004504][ T279] br_add_if (net/bridge/br_if.c:697) 
[ 17.004739][ T279] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 17.005053][ T279] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 17.005361][ T279] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 17.005667][ T279] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 17.006059][ T279] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 17.006361][ T279] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 17.006661][ T279] ? __kernel_text_address (kernel/extable.c:79) 
[ 17.006982][ T279] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.007281][ T279] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 17.007586][ T279] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 17.007971][ T279] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.008272][ T279] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.008586][ T279] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 17.008908][ T279] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 17.009207][ T279] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.009505][ T279] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 17.009817][ T279] ? __create_object (mm/kmemleak.c:771) 
[ 17.010119][ T279] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 17.010418][ T279] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 17.010723][ T279] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 17.011113][ T279] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 17.011428][ T279] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 17.011742][ T279] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 17.012054][ T279] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.012364][ T279] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.012667][ T279] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 17.012982][ T279] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.013287][ T279] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 17.013590][ T279] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 17.013903][ T279] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 17.014215][ T279] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.014524][ T279] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 17.014841][ T279] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 17.015156][ T279] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 17.015465][ T279] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 17.015774][ T279] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 17.016086][ T279] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 17.016393][ T279] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 17.016696][ T279] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.017006][ T279] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 17.017307][ T279] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 17.017619][ T279] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 17.017937][ T279] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 17.018251][ T279] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 17.018555][ T279] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 17.018955][ T279] ___sys_sendmsg (net/socket.c:2670) 
[ 17.019262][ T279] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 17.019567][ T279] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 17.019951][ T279] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 17.020263][ T279] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.020569][ T279] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.020884][ T279] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.021190][ T279] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 17.021494][ T279] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.021822][ T279] __sys_sendmsg (net/socket.c:2700) 
[ 17.022124][ T279] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 17.022501][ T279] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 17.022825][ T279] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.023128][ T279] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 17.023434][ T279] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   17.023815][  T279] RIP: 0033:0x7faa21cf31e7
[ 17.024132][ T279] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  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 2e 00 00 00       	mov    $0x2e,%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:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

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:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   17.025721][  T279] RSP: 002b:00007fffca6cc2f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   17.026196][  T279] RAX: ffffffffffffffda RBX: 00007fffca6cca20 RCX: 00007faa21cf31e7
[   17.026884][  T279] RDX: 0000000000000000 RSI: 00007fffca6cc360 RDI: 0000000000000005
[   17.027349][  T279] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   17.027809][  T279] R10: 0000000007f7b910 R11: 0000000000000246 R12: 0000000000000003
[   17.028262][  T279] R13: 00000000686e662e R14: 0000000000499600 R15: 0000000000000000
| [   17.194119][  T281] ------------[ cut here ]------------
| [ 17.194530][ T281] WARNING: CPU: 2 PID: 281 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   17.195332][  T281] Modules linked in:
| [   17.196440][  T281] Tainted: [W]=WARN
[   17.196713][  T281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.197153][ T281] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 17.197502][ T281] Code: 00 00 8b 05 97 63 35 02 85 c0 0f 84 52 fe ff ff 48 8d bb 80 0c 00 00 be ff ff ff ff e8 da 7c 82 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 63 35 02    	mov    0x2356397(%rip),%eax        # 0x235639f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb 80 0c 00 00 	lea    0xc80(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da 7c 82 00       	call   0x827cfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   17.198666][  T281] RSP: 0018:ffffc90000be6d70 EFLAGS: 00010246
[   17.199110][  T281] RAX: 0000000000000000 RBX: ffff8880096fc000 RCX: 0000000000000001
[   17.199606][  T281] RDX: 0000000000000000 RSI: ffffffffa94e6e91 RDI: ffffffffa8c555a0
[   17.200099][  T281] RBP: ffffc90000be6e60 R08: 0000000000000001 R09: 0000000000000000
[   17.200585][  T281] R10: ffffc90000be6e90 R11: ffffffffa5800130 R12: 1ffff9200017cdb2
[   17.201078][  T281] R13: 00000000000005dc R14: ffffc90000be6e90 R15: 0000000000000000
[   17.201564][  T281] FS:  00007f5e23055800(0000) GS:ffff88808ad48000(0000) knlGS:0000000000000000
[   17.202135][  T281] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.202544][  T281] CR2: 00000000004e6eb0 CR3: 000000000bc65006 CR4: 0000000000772ef0
[   17.203032][  T281] PKRU: 55555554
[   17.203280][  T281] Call Trace:
[   17.203527][  T281]  <TASK>
[ 17.203697][ T281] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 17.204041][ T281] ? rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 17.204348][ T281] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 17.204660][ T281] ? netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 17.204982][ T281] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 17.205292][ T281] ? ___sys_sendmsg (net/socket.c:2670) 
[ 17.205598][ T281] ? __sys_sendmsg (net/socket.c:2700) 
[ 17.205922][ T281] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 17.206237][ T281] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 17.206631][ T281] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.206963][ T281] netif_set_mtu (net/core/dev.c:9652) 
[ 17.207275][ T281] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 17.207594][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.207927][ T281] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 21)) 
[ 17.208238][ T281] ? __kmalloc_cache_noprof (mm/slub.c:4361) 
[ 17.208552][ T281] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 17.208813][ T281] bond_enslave (drivers/net/bonding/bond_main.c:2114) 
[ 17.209140][ T281] ? __pfx_bond_enslave (drivers/net/bonding/bond_main.c:1964) 
[ 17.209459][ T281] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.209783][ T281] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.210092][ T281] ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 kernel/bpf/core.c:774) 
[ 17.210397][ T281] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.210707][ T281] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 17.211037][ T281] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 17.211362][ T281] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 17.211693][ T281] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 17.212107][ T281] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 17.212411][ T281] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 17.212716][ T281] ? __kernel_text_address (kernel/extable.c:79) 
[ 17.213041][ T281] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.213349][ T281] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 17.213652][ T281] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 17.214050][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.214357][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.214663][ T281] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 17.214981][ T281] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 17.215287][ T281] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.215591][ T281] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 17.215908][ T281] ? __create_object (mm/kmemleak.c:771) 
[ 17.216219][ T281] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 17.216531][ T281] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 17.216850][ T281] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 17.217230][ T281] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 17.217542][ T281] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 17.217866][ T281] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 17.218169][ T281] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.218482][ T281] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.218815][ T281] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 17.219125][ T281] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.219429][ T281] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 17.219735][ T281] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 17.220054][ T281] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 17.220363][ T281] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.220672][ T281] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 17.220988][ T281] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 17.221300][ T281] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 17.221614][ T281] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 17.221930][ T281] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 17.222240][ T281] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 17.222552][ T281] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 17.222866][ T281] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.223177][ T281] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 17.223490][ T281] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 17.223807][ T281] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 17.224124][ T281] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 17.224434][ T281] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 17.224739][ T281] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 17.225141][ T281] ___sys_sendmsg (net/socket.c:2670) 
[ 17.225444][ T281] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 17.225765][ T281] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 17.226145][ T281] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 17.226453][ T281] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.226771][ T281] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.227101][ T281] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.227421][ T281] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 17.227728][ T281] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.228062][ T281] __sys_sendmsg (net/socket.c:2700) 
[ 17.228365][ T281] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 17.228748][ T281] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 17.229081][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.229387][ T281] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 17.229694][ T281] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   17.230084][  T281] RIP: 0033:0x7f5e232221e7
[ 17.230412][ T281] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  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 2e 00 00 00       	mov    $0x2e,%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:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

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:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   17.231493][  T281] RSP: 002b:00007fff7d74b438 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   17.231964][  T281] RAX: ffffffffffffffda RBX: 00007fff7d74bb60 RCX: 00007f5e232221e7
[   17.232419][  T281] RDX: 0000000000000000 RSI: 00007fff7d74b4a0 RDI: 0000000000000005
[   17.232889][  T281] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   17.233338][  T281] R10: 0000000006bc3910 R11: 0000000000000246 R12: 0000000000000003
[   17.233807][  T281] R13: 00000000686e662e R14: 0000000000499600 R15: 0000000000000000
| [   17.377690][  T282] ------------[ cut here ]------------
| [ 17.378338][ T282] WARNING: CPU: 0 PID: 282 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   17.379050][  T282] Modules linked in:
| [   17.380063][  T282] Tainted: [W]=WARN
[   17.380315][  T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.380740][ T282] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 17.381063][ T282] Code: 00 00 8b 05 97 63 35 02 85 c0 0f 84 52 fe ff ff 48 8d bb 80 0c 00 00 be ff ff ff ff e8 da 7c 82 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 63 35 02    	mov    0x2356397(%rip),%eax        # 0x235639f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb 80 0c 00 00 	lea    0xc80(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da 7c 82 00       	call   0x827cfb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   17.382149][  T282] RSP: 0018:ffffc90000c86d70 EFLAGS: 00010246
[   17.382524][  T282] RAX: 0000000000000000 RBX: ffff88800880c000 RCX: 0000000000000001
[   17.383009][  T282] RDX: 0000000000000000 RSI: ffffffffa94e6e91 RDI: ffffffffa8c555a0
[   17.383536][  T282] RBP: ffffc90000c86e60 R08: 0000000000000010 R09: 0000000000000000
[   17.384022][  T282] R10: ffffc90000c86e90 R11: ffffffffa9979160 R12: 1ffff92000190db2
[   17.384520][  T282] R13: 00000000000005dc R14: ffffc90000c86e90 R15: 0000000000000000
[   17.384995][  T282] FS:  00007fc8817c4800(0000) GS:ffff88808ac48000(0000) knlGS:0000000000000000
[   17.385615][  T282] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.386014][  T282] CR2: 00000000004e5530 CR3: 00000000146f0006 CR4: 0000000000772ef0
[   17.386458][  T282] PKRU: 55555554
[   17.386712][  T282] Call Trace:
[   17.386953][  T282]  <TASK>
[ 17.387108][ T282] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 17.387408][ T282] ? rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 17.387800][ T282] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 17.388107][ T282] ? netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 17.388406][ T282] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 17.388723][ T282] ? ___sys_sendmsg (net/socket.c:2670) 
[ 17.389032][ T282] ? __sys_sendmsg (net/socket.c:2700) 
[ 17.389323][ T282] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 17.389629][ T282] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 17.390010][ T282] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.390317][ T282] netif_set_mtu (net/core/dev.c:9652) 
[ 17.390649][ T282] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 17.390968][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.391266][ T282] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 21)) 
[ 17.391577][ T282] ? __kmalloc_cache_noprof (mm/slub.c:4361) 
[ 17.392044][ T282] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 17.392278][ T282] bond_enslave (drivers/net/bonding/bond_main.c:2114) 
[ 17.392590][ T282] ? __pfx_bond_enslave (drivers/net/bonding/bond_main.c:1964) 
[ 17.392915][ T282] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.393215][ T282] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.393527][ T282] ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 kernel/bpf/core.c:774) 
[ 17.393832][ T282] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.394133][ T282] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 17.394424][ T282] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 17.394771][ T282] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 17.395129][ T282] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 17.395597][ T282] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 17.395995][ T282] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 17.396358][ T282] ? __kernel_text_address (kernel/extable.c:79) 
[ 17.396787][ T282] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.397117][ T282] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 17.397416][ T282] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 17.397818][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.398117][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.398457][ T282] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 17.398854][ T282] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 17.399230][ T282] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.399676][ T282] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 17.400205][ T282] ? __create_object (mm/kmemleak.c:771) 
[ 17.400730][ T282] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 17.401282][ T282] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 17.401664][ T282] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 17.402047][ T282] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 17.402353][ T282] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 17.402666][ T282] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 17.402971][ T282] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.403319][ T282] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.403657][ T282] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 17.404002][ T282] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.404351][ T282] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 17.404745][ T282] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 17.405093][ T282] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 17.405407][ T282] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.405772][ T282] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 17.406115][ T282] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 17.406462][ T282] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 17.406869][ T282] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 17.407174][ T282] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 17.407517][ T282] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 17.407908][ T282] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 17.408250][ T282] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.408622][ T282] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 17.409008][ T282] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 17.409306][ T282] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 17.409625][ T282] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 17.409934][ T282] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 17.410230][ T282] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 17.410613][ T282] ___sys_sendmsg (net/socket.c:2670) 
[ 17.410916][ T282] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 17.411217][ T282] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 17.411603][ T282] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 17.411925][ T282] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.412225][ T282] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.412526][ T282] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.412908][ T282] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 17.413202][ T282] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.413507][ T282] __sys_sendmsg (net/socket.c:2700) 
[ 17.413825][ T282] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 17.414191][ T282] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 17.414497][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.414819][ T282] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 17.415116][ T282] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   17.415479][  T282] RIP: 0033:0x7fc8819911e7
[ 17.415825][ T282] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  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 2e 00 00 00       	mov    $0x2e,%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:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

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:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   17.416911][  T282] RSP: 002b:00007ffc5ad7eea8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   17.417359][  T282] RAX: ffffffffffffffda RBX: 00007ffc5ad7f5d0 RCX: 00007fc8819911e7
[   17.417838][  T282] RDX: 0000000000000000 RSI: 00007ffc5ad7ef10 RDI: 0000000000000005
[   17.418286][  T282] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   17.418838][  T282] R10: 00000000230db910 R11: 0000000000000246 R12: 0000000000000003


Finger prints:
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_add_if
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:bond_enslave:do_set_master