======================================
| [   21.713579][  T330] veth1: entered promiscuous mode
| [   21.715689][  T330] ------------[ cut here ]------------
| [ 21.716290][ T330] WARNING: CPU: 0 PID: 330 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) 
| [   21.717028][  T330] Modules linked in: bridge stp llc 8021q vrf veth
[   21.718150][  T330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.718630][ T330] 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) 
[ 21.719017][ T330] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  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
[   21.720207][  T330] RSP: 0018:ffffc90000bc6ef0 EFLAGS: 00010246
[   21.720612][  T330] RAX: 0000000000000000 RBX: ffff88800514a000 RCX: 0000000000000001
[   21.721160][  T330] RDX: 0000000000000000 RSI: ffffffffb269b939 RDI: ffffffffb1e555e0
[   21.721641][  T330] RBP: ffffc90000bc6fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.722173][  T330] R10: ffffc90000bc7010 R11: ffffffffb34a8918 R12: 1ffff92000178de2
[   21.722682][  T330] R13: 00000000000005dc R14: ffffc90000bc7010 R15: ffff88800514af08
[   21.723258][  T330] FS:  00007f4a05014800(0000) GS:ffff88807acb7000(0000) knlGS:0000000000000000
[   21.723898][  T330] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.724334][  T330] CR2: 00000000004e6890 CR3: 000000000e893005 CR4: 0000000000772ef0
[   21.724853][  T330] PKRU: 55555554
[   21.725120][  T330] Call Trace:
[   21.725398][  T330]  <TASK>
[ 21.725619][ T330] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.725939][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.726282][ T330] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.726671][ T330] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.727072][ T330] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.727414][ T330] netif_set_mtu (net/core/dev.c:9652) 
[ 21.727792][ T330] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.728117][ T330] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.728594][ T330] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.728851][ T330] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.729316][ T330] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.729683][ T330] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 21.730004][ T330] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.730349][ T330] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.730753][ T330] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.731124][ T330] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.731458][ T330] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.731823][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.732157][ T330] ? __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) 
[ 21.732553][ T330] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.732993][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.733327][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.733633][ T330] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.733997][ T330] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.734354][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.734742][ T330] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.735082][ T330] ? __create_object (mm/kmemleak.c:771) 
[ 21.735469][ T330] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.735836][ T330] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.736225][ T330] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.736692][ T330] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.737021][ T330] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.737358][ T330] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.737681][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.738023][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.738379][ T330] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.738721][ T330] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.739065][ T330] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.739411][ T330] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.739722][ T330] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.740040][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.740395][ T330] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.740756][ T330] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.741099][ T330] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.741444][ T330] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.741813][ T330] ? 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) 
[ 21.742176][ T330] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 21.742498][ T330] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.742820][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.743181][ T330] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.743588][ T330] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.743916][ T330] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.744287][ T330] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.744620][ T330] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.744963][ T330] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.745432][ T330] ___sys_sendmsg (net/socket.c:2670) 
[ 21.745746][ T330] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.746095][ T330] ? __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) 
[ 21.746561][ T330] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.746891][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.747213][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.747584][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.747890][ T330] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.748227][ T330] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.748567][ T330] __sys_sendmsg (net/socket.c:2700) 
[ 21.748896][ T330] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.749335][ T330] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.749738][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.750080][ T330] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.750400][ T330] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.750798][  T330] RIP: 0033:0x7f4a051e11e7
[ 21.751162][ T330] 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)
[   21.752442][  T330] RSP: 002b:00007ffc2163e5c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.753021][  T330] RAX: ffffffffffffffda RBX: 00007ffc2163ecf0 RCX: 00007f4a051e11e7
[   21.753539][  T330] RDX: 0000000000000000 RSI: 00007ffc2163e630 RDI: 0000000000000005
[   21.754076][  T330] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.754578][  T330] R10: 000000001367d910 R11: 0000000000000246 R12: 0000000000000004
[   21.755051][  T330] R13: 00000000686e74e1 R14: 0000000000499600 R15: 0000000000000000
| [   22.924698][  T343] ------------[ cut here ]------------
| [ 22.925008][ T343] WARNING: CPU: 0 PID: 343 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) 
| [   22.925632][  T343] Modules linked in: bridge stp llc 8021q vrf veth
| [   22.926901][  T343] Tainted: [W]=WARN
[   22.927143][  T343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.927537][ T343] 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) 
[ 22.927860][ T343] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  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
[   22.928989][  T343] RSP: 0018:ffffc900006d6ef0 EFLAGS: 00010246
[   22.929385][  T343] RAX: 0000000000000000 RBX: ffff88800a52a000 RCX: 0000000000000001
[   22.929873][  T343] RDX: 0000000000000000 RSI: ffffffffb269b939 RDI: ffffffffb1e555e0
[   22.930341][  T343] RBP: ffffc900006d6fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.930800][  T343] R10: ffffc900006d7010 R11: ffffffffb34a8918 R12: 1ffff920000dade2
[   22.931276][  T343] R13: 00000000000005dc R14: ffffc900006d7010 R15: ffff88800a52af08
[   22.931733][  T343] FS:  00007fce8f09b800(0000) GS:ffff88807acb7000(0000) knlGS:0000000000000000
[   22.932278][  T343] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.932668][  T343] CR2: 00000000004e6898 CR3: 000000000e893001 CR4: 0000000000772ef0
[   22.933145][  T343] PKRU: 55555554
[   22.933384][  T343] Call Trace:
[   22.933614][  T343]  <TASK>
[ 22.933773][ T343] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.934085][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.934405][ T343] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.934716][ T343] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.935097][ T343] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.935424][ T343] netif_set_mtu (net/core/dev.c:9652) 
[ 22.935731][ T343] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.936047][ T343] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.936489][ T343] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.936724][ T343] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.937141][ T343] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.937507][ T343] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 22.937819][ T343] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.938136][ T343] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.938532][ T343] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.938837][ T343] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.939139][ T343] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.939456][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.939769][ T343] ? __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) 
[ 22.940074][ T343] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.940460][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.940769][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.941076][ T343] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.941392][ T343] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.941699][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.942006][ T343] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.942322][ T343] ? __create_object (mm/kmemleak.c:771) 
[ 22.942632][ T343] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.942938][ T343] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.943275][ T343] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.943654][ T343] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.943965][ T343] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.944283][ T343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.944593][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.944909][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.945217][ T343] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.945534][ T343] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.945848][ T343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.946151][ T343] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.946472][ T343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.946782][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.947098][ T343] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.947412][ T343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.947719][ T343] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.948042][ T343] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.948370][ T343] ? 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) 
[ 22.948678][ T343] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 22.948988][ T343] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.949306][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.949616][ T343] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.949926][ T343] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.950230][ T343] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.950549][ T343] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.950862][ T343] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.951166][ T343] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.951569][ T343] ___sys_sendmsg (net/socket.c:2670) 
[ 22.951873][ T343] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.952179][ T343] ? __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) 
[ 22.952572][ T343] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.952879][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.953189][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.953515][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.953828][ T343] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.954132][ T343] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.954458][ T343] __sys_sendmsg (net/socket.c:2700) 
[ 22.954767][ T343] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.955152][ T343] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.955480][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.955790][ T343] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.956095][ T343] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.956504][  T343] RIP: 0033:0x7fce8f2681e7
[ 22.956830][ T343] 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)
[   22.957963][  T343] RSP: 002b:00007ffc991142b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.958454][  T343] RAX: ffffffffffffffda RBX: 00007ffc991149e0 RCX: 00007fce8f2681e7
[   22.958911][  T343] RDX: 0000000000000000 RSI: 00007ffc99114320 RDI: 0000000000000005
[   22.959373][  T343] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.959830][  T343] R10: 000000002dcd1910 R11: 0000000000000246 R12: 0000000000000004
[   22.960300][  T343] R13: 00000000686e74e2 R14: 0000000000499600 R15: 0000000000000000
| [   35.611489][  T408] ------------[ cut here ]------------
| [ 35.611847][ T408] WARNING: CPU: 2 PID: 408 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) 
| [   35.612496][  T408] Modules linked in: bridge stp llc 8021q vrf veth
| [   35.613561][  T408] Tainted: [W]=WARN
[   35.613810][  T408] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.614211][ T408] 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) 
[ 35.614555][ T408] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  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
[   35.615672][  T408] RSP: 0018:ffffc900004e6f70 EFLAGS: 00010246
[   35.616075][  T408] RAX: 0000000000000000 RBX: ffff88800514a000 RCX: 0000000000000001
[   35.617446][  T408] RDX: 0000000000000000 RSI: ffffffffb269b939 RDI: ffffffffb1e555e0
[   35.617919][  T408] RBP: ffffc900004e7058 R08: 0000000000000000 R09: 0000000000000000
[   35.618413][  T408] R10: ffffc900004e7088 R11: ffffffffaea00130 R12: 1ffff9200009cdf2
[   35.618897][  T408] R13: 00000000000005dc R14: ffffc900004e7088 R15: ffff88800514af08
[   35.619379][  T408] FS:  00007f560f9fe800(0000) GS:ffff88807adb7000(0000) knlGS:0000000000000000
[   35.619928][  T408] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.620337][  T408] CR2: 00000000004e7398 CR3: 000000000e856003 CR4: 0000000000772ef0
[   35.620820][  T408] PKRU: 55555554
[   35.621066][  T408] Call Trace:
[   35.621320][  T408]  <TASK>
[ 35.621491][ T408] ? __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) 
[ 35.621902][ T408] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 35.622278][ T408] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 35.622596][ T408] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.622911][ T408] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.623234][ T408] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 35.623565][ T408] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.623883][ T408] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.624207][ T408] ? ___sys_sendmsg (net/socket.c:2670) 
[ 35.624532][ T408] ? __sys_sendmsg (net/socket.c:2700) 
[ 35.624849][ T408] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.625174][ T408] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 35.625595][ T408] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.625937][ T408] netif_set_mtu (net/core/dev.c:9652) 
[ 35.626273][ T408] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 35.626606][ T408] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 35.626853][ T408] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 35.627295][ T408] br_del_if (net/bridge/br_if.c:743) bridge 
[ 35.627648][ T408] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 35.627967][ T408] do_set_master (net/core/rtnetlink.c:2932) 
[ 35.628323][ T408] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.628653][ T408] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.629053][ T408] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.629379][ T408] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.629697][ T408] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.630027][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.630356][ T408] ? __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) 
[ 35.630684][ T408] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.631076][ T408] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.631404][ T408] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.631723][ T408] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.632039][ T408] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.632370][ T408] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.632689][ T408] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.633003][ T408] ? __create_object (mm/kmemleak.c:771) 
[ 35.633345][ T408] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.633664][ T408] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.633985][ T408] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.634384][ T408] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.634716][ T408] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.635039][ T408] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.635364][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.635687][ T408] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.636012][ T408] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.636337][ T408] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.636657][ T408] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.636973][ T408] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.637302][ T408] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.637622][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.637942][ T408] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.638307][ T408] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.638630][ T408] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.638956][ T408] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.639283][ T408] ? 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) 
[ 35.639603][ T408] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 35.639930][ T408] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.640255][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.640585][ T408] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.640911][ T408] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.641230][ T408] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.641576][ T408] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.641900][ T408] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.642219][ T408] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.642630][ T408] ___sys_sendmsg (net/socket.c:2670) 
[ 35.642953][ T408] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.643279][ T408] ? __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) 
[ 35.643675][ T408] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.643993][ T408] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.644334][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.644659][ T408] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.644984][ T408] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.645322][ T408] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.645650][ T408] __sys_sendmsg (net/socket.c:2700) 
[ 35.645970][ T408] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.646367][ T408] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.646700][ T408] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.647021][ T408] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.647351][ T408] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.647750][  T408] RIP: 0033:0x7f560fbcb1e7
[ 35.648107][ T408] 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)
[   35.649207][  T408] RSP: 002b:00007ffc22923928 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.649693][  T408] RAX: ffffffffffffffda RBX: 00007ffc22924050 RCX: 00007f560fbcb1e7
[   35.650172][  T408] RDX: 0000000000000000 RSI: 00007ffc22923990 RDI: 0000000000000005
[   35.650651][  T408] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   35.651120][  T408] R10: 00007f560fac8ee8 R11: 0000000000000246 R12: 0000000000000003
[   35.651601][  T408] R13: 00000000686e74ef R14: 0000000000499600 R15: 0000000000000000
| [   35.779860][  T409] ------------[ cut here ]------------
| [ 35.780180][ T409] WARNING: CPU: 1 PID: 409 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) 
| [   35.780811][  T409] Modules linked in: bridge stp llc 8021q vrf veth
| [   35.781874][  T409] Tainted: [W]=WARN
[   35.782105][  T409] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.782494][ T409] 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) 
[ 35.782807][ T409] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  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
[   35.783942][  T409] RSP: 0018:ffffc900004e6f70 EFLAGS: 00010246
[   35.784349][  T409] RAX: 0000000000000000 RBX: ffff88800a52a000 RCX: 0000000000000001
[   35.784808][  T409] RDX: 0000000000000000 RSI: ffffffffb269b939 RDI: ffffffffb1e555e0
[   35.785370][  T409] RBP: ffffc900004e7058 R08: 0000000000000000 R09: 0000000000000000
[   35.785838][  T409] R10: ffffc900004e7088 R11: ffffffffb2b79160 R12: 1ffff9200009cdf2
[   35.786319][  T409] R13: 00000000000005dc R14: ffffc900004e7088 R15: ffff88800a52af08
[   35.786789][  T409] FS:  00007f0e513da800(0000) GS:ffff88807ad37000(0000) knlGS:0000000000000000
[   35.787339][  T409] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.787721][  T409] CR2: 00000000004e73a8 CR3: 000000000a7d5006 CR4: 0000000000772ef0
[   35.788194][  T409] PKRU: 55555554
[   35.788442][  T409] Call Trace:
[   35.788672][  T409]  <TASK>
[ 35.788826][ T409] ? __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) 
[ 35.789206][ T409] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 35.789572][ T409] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 35.789875][ T409] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.790178][ T409] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.790494][ T409] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 35.790800][ T409] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.791102][ T409] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.791434][ T409] ? ___sys_sendmsg (net/socket.c:2670) 
[ 35.791746][ T409] ? __sys_sendmsg (net/socket.c:2700) 
[ 35.792047][ T409] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.792368][ T409] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 35.792762][ T409] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.793076][ T409] netif_set_mtu (net/core/dev.c:9652) 
[ 35.793393][ T409] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 35.793714][ T409] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 35.793945][ T409] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 35.794379][ T409] br_del_if (net/bridge/br_if.c:743) bridge 
[ 35.794733][ T409] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 35.795043][ T409] do_set_master (net/core/rtnetlink.c:2932) 
[ 35.795359][ T409] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.795685][ T409] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.796078][ T409] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.796402][ T409] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.796713][ T409] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.797036][ T409] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.797381][ T409] ? __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) 
[ 35.797689][ T409] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.798075][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.798403][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.798722][ T409] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.799031][ T409] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.799359][ T409] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.799677][ T409] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.799995][ T409] ? __create_object (mm/kmemleak.c:771) 
[ 35.800348][ T409] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.800670][ T409] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.800985][ T409] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.801397][ T409] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.801727][ T409] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.802055][ T409] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.802388][ T409] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.802703][ T409] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.803024][ T409] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.803353][ T409] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.803683][ T409] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.804002][ T409] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.804356][ T409] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.804680][ T409] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.805001][ T409] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.805329][ T409] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.805647][ T409] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.805975][ T409] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.806305][ T409] ? 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) 
[ 35.806644][ T409] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 35.806970][ T409] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.807294][ T409] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.807624][ T409] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.807952][ T409] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.808308][ T409] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.808647][ T409] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.808973][ T409] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.809301][ T409] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.809720][ T409] ___sys_sendmsg (net/socket.c:2670) 
[ 35.810023][ T409] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.810336][ T409] ? __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) 
[ 35.810715][ T409] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.811021][ T409] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.811347][ T409] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.811662][ T409] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.811968][ T409] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.812300][ T409] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.812615][ T409] __sys_sendmsg (net/socket.c:2700) 
[ 35.812918][ T409] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.813306][ T409] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.813631][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.813942][ T409] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.814261][ T409] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.814645][  T409] RIP: 0033:0x7f0e515a71e7
[ 35.814962][ T409] 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)
[   35.816060][  T409] RSP: 002b:00007ffc76c0e7d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.816542][  T409] RAX: ffffffffffffffda RBX: 00007ffc76c0ef00 RCX: 00007f0e515a71e7
[   35.816999][  T409] RDX: 0000000000000000 RSI: 00007ffc76c0e840 RDI: 0000000000000005
[   35.817465][  T409] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   35.817929][  T409] R10: 00007f0e514a4ee8 R11: 0000000000000246 R12: 0000000000000003
[   35.818411][  T409] R13: 00000000686e74ef R14: 0000000000499600 R15: 0000000000000000
| [   38.014274][  T411] ------------[ cut here ]------------
| [ 38.014589][ T411] WARNING: CPU: 0 PID: 411 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) 
| [   38.015191][  T411] Modules linked in: bridge stp llc 8021q vrf veth
| [   38.016232][  T411] Tainted: [W]=WARN
[   38.016623][  T411] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.017003][ T411] 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) 
[ 38.017539][ T411] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  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
[   38.018846][  T411] RSP: 0018:ffffc900004c6ef0 EFLAGS: 00010246
[   38.019234][  T411] RAX: 0000000000000000 RBX: ffff88800a52a000 RCX: 0000000000000001
[   38.019858][  T411] RDX: 0000000000000000 RSI: ffffffffb269b939 RDI: ffffffffb1e555e0
[   38.020463][  T411] RBP: ffffc900004c6fe0 R08: 0000000000000000 R09: 0000000000000000
[   38.020919][  T411] R10: ffffc900004c7010 R11: ffffffffb34a8918 R12: 1ffff92000098de2
[   38.021530][  T411] R13: 00000000000005dc R14: ffffc900004c7010 R15: ffff88800a52af08
[   38.021984][  T411] FS:  00007f8051e13800(0000) GS:ffff88807acb7000(0000) knlGS:0000000000000000
[   38.022542][  T411] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.022925][  T411] CR2: 00000000004e6898 CR3: 000000000ba46005 CR4: 0000000000772ef0
[   38.023414][  T411] PKRU: 55555554
[   38.023644][  T411] Call Trace:
[   38.023875][  T411]  <TASK>
[ 38.024036][ T411] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.024481][ T411] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.024799][ T411] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 38.025104][ T411] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 38.025497][ T411] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 38.025836][ T411] netif_set_mtu (net/core/dev.c:9652) 
[ 38.026144][ T411] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 38.026472][ T411] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 38.026903][ T411] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 38.027137][ T411] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 38.027579][ T411] br_add_if (net/bridge/br_if.c:697) bridge 
[ 38.027938][ T411] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 38.028281][ T411] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 38.028595][ T411] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.028990][ T411] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.029304][ T411] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.029611][ T411] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.029920][ T411] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.030236][ T411] ? __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) 
[ 38.030558][ T411] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.030940][ T411] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.031272][ T411] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.031610][ T411] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.031914][ T411] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.032261][ T411] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.032569][ T411] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.032878][ T411] ? __create_object (mm/kmemleak.c:771) 
[ 38.033213][ T411] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.033531][ T411] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.033861][ T411] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.034238][ T411] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.034596][ T411] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.034913][ T411] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.035221][ T411] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.035557][ T411] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.035864][ T411] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.036165][ T411] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.036490][ T411] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.036791][ T411] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.037097][ T411] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.037412][ T411] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.037729][ T411] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.038032][ T411] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.038361][ T411] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.038684][ T411] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.038986][ T411] ? 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) 
[ 38.039313][ T411] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 38.039628][ T411] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.039945][ T411] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.040272][ T411] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.040584][ T411] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.040891][ T411] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.041205][ T411] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.041556][ T411] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.041865][ T411] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.042371][ T411] ___sys_sendmsg (net/socket.c:2670) 
[ 38.042688][ T411] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.042994][ T411] ? __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) 
[ 38.043395][ T411] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.043706][ T411] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.044016][ T411] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.044335][ T411] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.044648][ T411] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.044955][ T411] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.045283][ T411] __sys_sendmsg (net/socket.c:2700) 
[ 38.045588][ T411] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.045967][ T411] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.046297][ T411] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.046606][ T411] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.046920][ T411] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.047327][  T411] RIP: 0033:0x7f8051fe01e7
[ 38.047643][ T411] 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)
[   38.048758][  T411] RSP: 002b:00007ffe8fe93ff8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.049230][  T411] RAX: ffffffffffffffda RBX: 00007ffe8fe94720 RCX: 00007f8051fe01e7
[   38.049699][  T411] RDX: 0000000000000000 RSI: 00007ffe8fe94060 RDI: 0000000000000005
[   38.050191][  T411] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   38.050661][  T411] R10: 000000000b9bc910 R11: 0000000000000246 R12: 0000000000000004
[   38.051129][  T411] R13: 00000000686e74f1 R14: 0000000000499600 R15: 0000000000000000
| [   38.188341][  T412] ------------[ cut here ]------------
| [ 38.188652][ T412] WARNING: CPU: 0 PID: 412 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) 
| [   38.189276][  T412] Modules linked in: bridge stp llc 8021q vrf veth
| [   38.190322][  T412] Tainted: [W]=WARN
[   38.190553][  T412] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.190950][ T412] 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) 
[ 38.191290][ T412] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  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
[   38.192400][  T412] RSP: 0018:ffffc90000896ef0 EFLAGS: 00010246
[   38.192786][  T412] RAX: 0000000000000000 RBX: ffff88800514a000 RCX: 0000000000000001
[   38.193353][  T412] RDX: 0000000000000000 RSI: ffffffffb269b939 RDI: ffffffffb1e555e0
[   38.193835][  T412] RBP: ffffc90000896fe0 R08: 0000000000000000 R09: 0000000000000000
[   38.194339][  T412] R10: ffffc90000897010 R11: ffffffffb34a8918 R12: 1ffff92000112de2
[   38.194825][  T412] R13: 00000000000005dc R14: ffffc90000897010 R15: ffff88800514af08
[   38.195320][  T412] FS:  00007fec7efed800(0000) GS:ffff88807acb7000(0000) knlGS:0000000000000000
[   38.195886][  T412] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.196301][  T412] CR2: 00000000004e6890 CR3: 000000000a296001 CR4: 0000000000772ef0
[   38.196792][  T412] PKRU: 55555554
[   38.197154][  T412] Call Trace:
[   38.197537][  T412]  <TASK>
[ 38.197793][ T412] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.198378][ T412] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.198869][ T412] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 38.199417][ T412] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 38.200066][ T412] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 38.200608][ T412] netif_set_mtu (net/core/dev.c:9652) 
[ 38.201152][ T412] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 38.201718][ T412] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 38.202507][ T412] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 38.202926][ T412] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 38.203697][ T412] br_add_if (net/bridge/br_if.c:697) bridge 
[ 38.204320][ T412] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 38.204878][ T412] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 38.205453][ T412] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.206164][ T412] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.206750][ T412] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.207273][ T412] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.207834][ T412] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.208420][ T412] ? __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) 
[ 38.208968][ T412] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.209672][ T412] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.210239][ T412] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.210821][ T412] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.211384][ T412] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.211847][ T412] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.212355][ T412] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.212892][ T412] ? __create_object (mm/kmemleak.c:771) 
[ 38.213443][ T412] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.213994][ T412] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.214594][ T412] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.215308][ T412] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.215854][ T412] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.216335][ T412] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.216869][ T412] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.217477][ T412] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.218028][ T412] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.218676][ T412] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.219261][ T412] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.219814][ T412] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.220394][ T412] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.220962][ T412] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.221541][ T412] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.222092][ T412] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.222657][ T412] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.223139][ T412] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.223457][ T412] ? 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) 
[ 38.223779][ T412] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 38.224093][ T412] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.224410][ T412] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.224737][ T412] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.225049][ T412] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.225376][ T412] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.225777][ T412] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.226233][ T412] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.226570][ T412] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.226985][ T412] ___sys_sendmsg (net/socket.c:2670) 
[ 38.227304][ T412] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.227618][ T412] ? __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) 
[ 38.228008][ T412] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.228343][ T412] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.228668][ T412] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.228979][ T412] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.229299][ T412] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.229614][ T412] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.229931][ T412] __sys_sendmsg (net/socket.c:2700) 
[ 38.230269][ T412] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.230665][ T412] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.230982][ T412] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.231303][ T412] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.231626][ T412] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.232006][  T412] RIP: 0033:0x7fec7f1ba1e7
[ 38.232332][ T412] 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)
[   38.233476][  T412] RSP: 002b:00007ffff051ef78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.233956][  T412] RAX: ffffffffffffffda RBX: 00007ffff051f6a0 RCX: 00007fec7f1ba1e7
[   38.234436][  T412] RDX: 0000000000000000 RSI: 00007ffff051efe0 RDI: 0000000000000005
[   38.234910][  T412] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   38.235375][  T412] R10: 000000003a2e1910 R11: 0000000000000246 R12: 0000000000000004
[   38.235846][  T412] R13: 00000000686e74f2 R14: 0000000000499600 R15: 0000000000000000
| [   45.023266][  T464] ------------[ cut here ]------------
| [ 45.023597][ T464] WARNING: CPU: 3 PID: 464 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) 
| [   45.024205][  T464] Modules linked in: bridge stp llc 8021q vrf veth
| [   45.025278][  T464] Tainted: [W]=WARN
[   45.025511][  T464] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.025909][ T464] 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) 
[ 45.026223][ T464] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  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
[   45.028054][  T464] RSP: 0018:ffffc90000b56f70 EFLAGS: 00010246
[   45.028468][  T464] RAX: 0000000000000000 RBX: ffff88800a52a000 RCX: 0000000000000001
[   45.028925][  T464] RDX: 0000000000000000 RSI: ffffffffb269b939 RDI: ffffffffb1e555e0
[   45.029394][  T464] RBP: ffffc90000b57058 R08: 0000000000000000 R09: 0000000000000000
[   45.029849][  T464] R10: ffffc90000b57088 R11: ffffffffb2b79160 R12: 1ffff9200016adf2
[   45.030311][  T464] R13: 00000000000005dc R14: ffffc90000b57088 R15: ffff88800a52af08
[   45.030771][  T464] FS:  00007f383262f800(0000) GS:ffff88807ae37000(0000) knlGS:0000000000000000
[   45.031331][  T464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.031746][  T464] CR2: 00000000004e73a8 CR3: 000000000a13d004 CR4: 0000000000772ef0
[   45.032220][  T464] PKRU: 55555554
[   45.032457][  T464] Call Trace:
[   45.032691][  T464]  <TASK>
[ 45.032862][ T464] ? __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) 
[ 45.033266][ T464] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 45.033616][ T464] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 45.033939][ T464] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 45.034253][ T464] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 45.034574][ T464] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 45.034882][ T464] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 45.035186][ T464] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 45.035514][ T464] ? ___sys_sendmsg (net/socket.c:2670) 
[ 45.035825][ T464] ? __sys_sendmsg (net/socket.c:2700) 
[ 45.036145][ T464] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 45.036472][ T464] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 45.036851][ T464] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.037174][ T464] netif_set_mtu (net/core/dev.c:9652) 
[ 45.037490][ T464] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 45.037839][ T464] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 45.038080][ T464] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 45.038515][ T464] br_del_if (net/bridge/br_if.c:743) bridge 
[ 45.038855][ T464] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 45.039161][ T464] do_set_master (net/core/rtnetlink.c:2932) 
[ 45.039496][ T464] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 45.039804][ T464] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 45.040214][ T464] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 45.040538][ T464] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 45.040845][ T464] ? __kernel_text_address (kernel/extable.c:79) 
[ 45.041168][ T464] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.041487][ T464] ? __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) 
[ 45.041807][ T464] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 45.042185][ T464] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.042523][ T464] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.042828][ T464] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 45.043130][ T464] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 45.043443][ T464] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.043759][ T464] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 45.044075][ T464] ? __create_object (mm/kmemleak.c:771) 
[ 45.044407][ T464] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 45.044725][ T464] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 45.045051][ T464] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 45.045473][ T464] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 45.045805][ T464] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 45.046129][ T464] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 45.046458][ T464] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.046782][ T464] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.047101][ T464] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 45.047425][ T464] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 45.047752][ T464] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 45.048075][ T464] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 45.048404][ T464] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 45.048728][ T464] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.049051][ T464] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 45.049377][ T464] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 45.049698][ T464] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 45.050043][ T464] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 45.050371][ T464] ? 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) 
[ 45.050692][ T464] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 45.051014][ T464] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 45.051340][ T464] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.051665][ T464] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 45.051988][ T464] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 45.052322][ T464] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 45.052649][ T464] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 45.052968][ T464] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 45.053318][ T464] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 45.053747][ T464] ___sys_sendmsg (net/socket.c:2670) 
[ 45.054077][ T464] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 45.054418][ T464] ? __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) 
[ 45.054825][ T464] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 45.055154][ T464] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.055488][ T464] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.055855][ T464] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.056177][ T464] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 45.056509][ T464] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 45.056840][ T464] __sys_sendmsg (net/socket.c:2700) 
[ 45.057158][ T464] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 45.057573][ T464] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 45.057911][ T464] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.058255][ T464] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 45.058580][ T464] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.058998][  T464] RIP: 0033:0x7f38327fc1e7
[ 45.059341][ T464] 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)
[   45.060502][  T464] RSP: 002b:00007ffd8d435c28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   45.060991][  T464] RAX: ffffffffffffffda RBX: 00007ffd8d436350 RCX: 00007f38327fc1e7
[   45.061497][  T464] RDX: 0000000000000000 RSI: 00007ffd8d435c90 RDI: 0000000000000005
[   45.062010][  T464] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   45.062522][  T464] R10: 00007f38326f9ee8 R11: 0000000000000246 R12: 0000000000000003
[   45.063006][  T464] R13: 00000000686e74f8 R14: 0000000000499600 R15: 0000000000000000
| [   45.793582][  T471] ------------[ cut here ]------------
| [ 45.793928][ T471] WARNING: CPU: 2 PID: 471 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) 
| [   45.794577][  T471] Modules linked in: bridge stp llc 8021q vrf veth
| [   45.795629][  T471] Tainted: [W]=WARN
[   45.795913][  T471] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.796319][ T471] 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) 
[ 45.796654][ T471] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  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
[   45.797754][  T471] RSP: 0018:ffffc90000ba6f70 EFLAGS: 00010246
[   45.798158][  T471] RAX: 0000000000000000 RBX: ffff88800514a000 RCX: 0000000000000001
[   45.798647][  T471] RDX: 0000000000000000 RSI: ffffffffb269b939 RDI: ffffffffb1e555e0
[   45.799111][  T471] RBP: ffffc90000ba7058 R08: 0000000000000000 R09: 0000000000000000
[   45.799601][  T471] R10: ffffc90000ba7088 R11: ffffffffb2b79160 R12: 1ffff92000174df2
[   45.800105][  T471] R13: 00000000000005dc R14: ffffc90000ba7088 R15: ffff88800514af08
[   45.800742][  T471] FS:  00007fd4cc6b9800(0000) GS:ffff88807adb7000(0000) knlGS:0000000000000000
[   45.801515][  T471] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.802139][  T471] CR2: 00000000004e7398 CR3: 000000000a13d003 CR4: 0000000000772ef0
[   45.802773][  T471] PKRU: 55555554
[   45.803015][  T471] Call Trace:
[   45.803280][  T471]  <TASK>
[ 45.803487][ T471] ? __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) 
[ 45.803886][ T471] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 45.804260][ T471] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 45.804577][ T471] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 45.804893][ T471] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 45.805206][ T471] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 45.805534][ T471] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 45.805848][ T471] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 45.806171][ T471] ? ___sys_sendmsg (net/socket.c:2670) 
[ 45.806495][ T471] ? __sys_sendmsg (net/socket.c:2700) 
[ 45.806813][ T471] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 45.807127][ T471] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 45.807540][ T471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.807904][ T471] netif_set_mtu (net/core/dev.c:9652) 
[ 45.808236][ T471] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 45.808602][ T471] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 45.808850][ T471] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 45.809298][ T471] br_del_if (net/bridge/br_if.c:743) bridge 
[ 45.809652][ T471] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 45.809969][ T471] do_set_master (net/core/rtnetlink.c:2932) 
[ 45.810298][ T471] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 45.810618][ T471] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 45.811017][ T471] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 45.811365][ T471] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 45.811719][ T471] ? __kernel_text_address (kernel/extable.c:79) 
[ 45.812038][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.812370][ T471] ? __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) 
[ 45.812685][ T471] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 45.813073][ T471] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.813399][ T471] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.813725][ T471] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 45.814039][ T471] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 45.814365][ T471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.814681][ T471] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 45.814994][ T471] ? __create_object (mm/kmemleak.c:771) 
[ 45.815340][ T471] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 45.815693][ T471] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 45.816023][ T471] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 45.816426][ T471] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 45.816750][ T471] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 45.817071][ T471] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 45.817398][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.817723][ T471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.818039][ T471] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 45.818388][ T471] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 45.818712][ T471] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 45.819025][ T471] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 45.819370][ T471] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 45.819721][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.820043][ T471] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 45.820373][ T471] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 45.820690][ T471] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 45.821024][ T471] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 45.821348][ T471] ? 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) 
[ 45.821666][ T471] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 45.821984][ T471] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 45.822309][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.822629][ T471] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 45.822950][ T471] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 45.823302][ T471] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 45.823658][ T471] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 45.823980][ T471] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 45.824308][ T471] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 45.824709][ T471] ___sys_sendmsg (net/socket.c:2670) 
[ 45.825026][ T471] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 45.825352][ T471] ? __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) 
[ 45.825751][ T471] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 45.826071][ T471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.826406][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.826734][ T471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.827070][ T471] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 45.827430][ T471] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 45.827798][ T471] __sys_sendmsg (net/socket.c:2700) 
[ 45.828130][ T471] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 45.828545][ T471] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 45.828875][ T471] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.829194][ T471] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 45.829518][ T471] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.829907][  T471] RIP: 0033:0x7fd4cc8861e7
[ 45.830230][ T471] 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)
[   45.831357][  T471] RSP: 002b:00007ffe3d1bd498 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   45.831868][  T471] RAX: ffffffffffffffda RBX: 00007ffe3d1bdbc0 RCX: 00007fd4cc8861e7
[   45.832349][  T471] RDX: 0000000000000000 RSI: 00007ffe3d1bd500 RDI: 0000000000000005
[   45.832826][  T471] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   45.833303][  T471] R10: 00007fd4cc783ee8 R11: 0000000000000246 R12: 0000000000000003


Finger prints:
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_del_if
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_add_if