======================================
| [   21.583540][  T328] veth1: entered promiscuous mode
| [   21.585335][  T328] ------------[ cut here ]------------
| [ 21.585661][ T328] WARNING: CPU: 1 PID: 328 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) 
| [   21.586274][  T328] Modules linked in: bridge stp llc 8021q vrf veth
[   21.588798][  T328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.589185][ T328] 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) 
[ 21.589512][ T328] 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
[   21.590609][  T328] RSP: 0018:ffffc90000686ef0 EFLAGS: 00010246
[   21.591000][  T328] RAX: 0000000000000000 RBX: ffff88800c43a000 RCX: 0000000000000001
[   21.591458][  T328] RDX: 0000000000000000 RSI: ffffffffb7e9b939 RDI: ffffffffb76555e0
[   21.591973][  T328] RBP: ffffc90000686fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.592435][  T328] R10: ffffc90000687010 R11: ffffffffb8ca8918 R12: 1ffff920000d0de2
[   21.592904][  T328] R13: 00000000000005dc R14: ffffc90000687010 R15: ffff88800c43af08
[   21.593372][  T328] FS:  00007fb2cdf7c800(0000) GS:ffff88807c337000(0000) knlGS:0000000000000000
[   21.593937][  T328] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.594326][  T328] CR2: 00000000004e6890 CR3: 000000000b85d004 CR4: 0000000000772ef0
[   21.594796][  T328] PKRU: 55555554
[   21.595029][  T328] Call Trace:
[   21.595261][  T328]  <TASK>
[ 21.595422][ T328] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.595774][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.596097][ T328] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.596403][ T328] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.596798][ T328] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.597108][ T328] netif_set_mtu (net/core/dev.c:9652) 
[ 21.597418][ T328] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.597745][ T328] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.598179][ T328] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.598412][ T328] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.598854][ T328] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.599208][ T328] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 21.599528][ T328] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.599883][ T328] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.600272][ T328] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.600599][ T328] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.600903][ T328] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.601211][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.601528][ T328] ? __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) 
[ 21.601846][ T328] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.602237][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.602554][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.602870][ T328] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.603174][ T328] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.603493][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.603832][ T328] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.604139][ T328] ? __create_object (mm/kmemleak.c:771) 
[ 21.604462][ T328] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.604785][ T328] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.605092][ T328] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.605488][ T328] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.605801][ T328] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.606112][ T328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.606415][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.606735][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.607043][ T328] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.607344][ T328] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.607688][ T328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.608012][ T328] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.608320][ T328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.608661][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.608974][ T328] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.609282][ T328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.609600][ T328] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.609933][ T328] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.610243][ T328] ? 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) 
[ 21.610567][ T328] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 21.610878][ T328] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.611182][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.611507][ T328] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.611862][ T328] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.612178][ T328] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.612515][ T328] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.612827][ T328] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.613133][ T328] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.613537][ T328] ___sys_sendmsg (net/socket.c:2670) 
[ 21.613843][ T328] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.614151][ T328] ? __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) 
[ 21.614554][ T328] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.614870][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.615180][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.615504][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.615852][ T328] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.616159][ T328] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.616486][ T328] __sys_sendmsg (net/socket.c:2700) 
[ 21.616792][ T328] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.617179][ T328] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.617516][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.617823][ T328] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.618134][ T328] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.618537][  T328] RIP: 0033:0x7fb2ce1491e7
[ 21.618871][ T328] 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)
[   21.620026][  T328] RSP: 002b:00007fffcd674768 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.620502][  T328] RAX: ffffffffffffffda RBX: 00007fffcd674e90 RCX: 00007fb2ce1491e7
[   21.620964][  T328] RDX: 0000000000000000 RSI: 00007fffcd6747d0 RDI: 0000000000000005
[   21.621425][  T328] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.621899][  T328] R10: 0000000038349910 R11: 0000000000000246 R12: 0000000000000004
[   21.622364][  T328] R13: 00000000686e694b R14: 0000000000499600 R15: 0000000000000000
| [   22.751269][  T341] ------------[ cut here ]------------
| [ 22.752002][ T341] WARNING: CPU: 2 PID: 341 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) 
| [   22.752688][  T341] Modules linked in: bridge stp llc 8021q vrf veth
| [   22.753753][  T341] Tainted: [W]=WARN
[   22.754009][  T341] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.754404][ T341] 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) 
[ 22.754750][ T341] 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
[   22.755861][  T341] RSP: 0018:ffffc900005e6ef0 EFLAGS: 00010246
[   22.756272][  T341] RAX: 0000000000000000 RBX: ffff88800aafa000 RCX: 0000000000000001
[   22.756759][  T341] RDX: 0000000000000000 RSI: ffffffffb7e9b939 RDI: ffffffffb76555e0
[   22.757236][  T341] RBP: ffffc900005e6fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.757719][  T341] R10: ffffc900005e7010 R11: ffffffffb8ca8918 R12: 1ffff920000bcde2
[   22.758199][  T341] R13: 00000000000005dc R14: ffffc900005e7010 R15: ffff88800aafaf08
[   22.758694][  T341] FS:  00007f6ae330e800(0000) GS:ffff88807c3b7000(0000) knlGS:0000000000000000
[   22.759248][  T341] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.759674][  T341] CR2: 00000000004e6898 CR3: 000000000b388006 CR4: 0000000000772ef0
[   22.760150][  T341] PKRU: 55555554
[   22.760396][  T341] Call Trace:
[   22.760656][  T341]  <TASK>
[ 22.760829][ T341] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.761151][ T341] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.761486][ T341] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.761811][ T341] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.762204][ T341] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.762537][ T341] netif_set_mtu (net/core/dev.c:9652) 
[ 22.762862][ T341] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.763189][ T341] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.763651][ T341] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.763904][ T341] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.764335][ T341] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.764712][ T341] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 22.765036][ T341] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.765364][ T341] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.765777][ T341] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.766096][ T341] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.766411][ T341] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.766746][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.767067][ T341] ? __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) 
[ 22.767392][ T341] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.767827][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.768153][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.768489][ T341] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.768825][ T341] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.769144][ T341] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.769464][ T341] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.769793][ T341] ? __create_object (mm/kmemleak.c:771) 
[ 22.770123][ T341] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.770440][ T341] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.770770][ T341] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.771159][ T341] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.771507][ T341] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.771835][ T341] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.772151][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.772483][ T341] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.772812][ T341] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.773127][ T341] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.773447][ T341] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.773777][ T341] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.774101][ T341] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.774423][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.774753][ T341] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.775078][ T341] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.775395][ T341] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.775745][ T341] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.776066][ T341] ? 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) 
[ 22.776388][ T341] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 22.776719][ T341] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.777040][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.777370][ T341] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.777706][ T341] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.778023][ T341] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.778348][ T341] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.778694][ T341] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.779012][ T341] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.779414][ T341] ___sys_sendmsg (net/socket.c:2670) 
[ 22.779761][ T341] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.780087][ T341] ? __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) 
[ 22.780496][ T341] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.780816][ T341] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.781136][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.781459][ T341] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.781788][ T341] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.782108][ T341] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.782433][ T341] __sys_sendmsg (net/socket.c:2700) 
[ 22.782758][ T341] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.783156][ T341] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.783507][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.783832][ T341] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.784150][ T341] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.784549][  T341] RIP: 0033:0x7f6ae34db1e7
[ 22.784883][ T341] 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)
[   22.785991][  T341] RSP: 002b:00007ffea41db988 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.786461][  T341] RAX: ffffffffffffffda RBX: 00007ffea41dc0b0 RCX: 00007f6ae34db1e7
[   22.786949][  T341] RDX: 0000000000000000 RSI: 00007ffea41db9f0 RDI: 0000000000000005
[   22.787414][  T341] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.787904][  T341] R10: 000000003e374910 R11: 0000000000000246 R12: 0000000000000004
[   22.788376][  T341] R13: 00000000686e694c R14: 0000000000499600 R15: 0000000000000000
| [   35.491994][  T405] ------------[ cut here ]------------
| [ 35.492318][ T405] WARNING: CPU: 1 PID: 405 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) 
| [   35.492934][  T405] Modules linked in: bridge stp llc 8021q vrf veth
| [   35.494003][  T405] Tainted: [W]=WARN
[   35.494246][  T405] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.494645][ T405] 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) 
[ 35.494973][ T405] 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
[   35.496079][  T405] RSP: 0018:ffffc90000866f70 EFLAGS: 00010246
[   35.496473][  T405] RAX: 0000000000000000 RBX: ffff88800c43a000 RCX: 0000000000000001
[   35.496935][  T405] RDX: 0000000000000000 RSI: ffffffffb7e9b939 RDI: ffffffffb76555e0
[   35.497398][  T405] RBP: ffffc90000867058 R08: 0000000000000000 R09: 0000000000000000
[   35.497902][  T405] R10: ffffc90000867088 R11: ffffffffb4200130 R12: 1ffff9200010cdf2
[   35.498361][  T405] R13: 00000000000005dc R14: ffffc90000867088 R15: ffff88800c43af08
[   35.498863][  T405] FS:  00007fc0a2401800(0000) GS:ffff88807c337000(0000) knlGS:0000000000000000
[   35.499426][  T405] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.499971][  T405] CR2: 00007fc10cd90258 CR3: 000000000a5c3004 CR4: 0000000000772ef0
[   35.500446][  T405] PKRU: 55555554
[   35.500687][  T405] Call Trace:
[   35.500918][  T405]  <TASK>
[ 35.501072][ T405] ? __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) 
[ 35.501456][ T405] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 35.501838][ T405] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 35.502145][ T405] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.502485][ T405] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.502796][ T405] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 35.503106][ T405] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.503415][ T405] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.503735][ T405] ? ___sys_sendmsg (net/socket.c:2670) 
[ 35.504042][ T405] ? __sys_sendmsg (net/socket.c:2700) 
[ 35.504347][ T405] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.504665][ T405] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 35.505050][ T405] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.505366][ T405] netif_set_mtu (net/core/dev.c:9652) 
[ 35.505686][ T405] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 35.506009][ T405] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 35.506241][ T405] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 35.506717][ T405] br_del_if (net/bridge/br_if.c:743) bridge 
[ 35.507061][ T405] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 35.507369][ T405] do_set_master (net/core/rtnetlink.c:2932) 
[ 35.507692][ T405] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.508003][ T405] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.508426][ T405] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.508761][ T405] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.509070][ T405] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.509379][ T405] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.509707][ T405] ? __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) 
[ 35.510014][ T405] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.510394][ T405] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.510726][ T405] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.511069][ T405] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.511377][ T405] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.511696][ T405] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.512006][ T405] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.512318][ T405] ? __create_object (mm/kmemleak.c:771) 
[ 35.512640][ T405] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.512951][ T405] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.513256][ T405] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.513649][ T405] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.513964][ T405] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.514276][ T405] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.514609][ T405] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.514921][ T405] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.515227][ T405] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.515545][ T405] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.515855][ T405] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.516161][ T405] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.516489][ T405] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.516799][ T405] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.517115][ T405] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.517420][ T405] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.517740][ T405] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.518058][ T405] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.518361][ T405] ? 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) 
[ 35.518884][ T405] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 35.519212][ T405] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.519549][ T405] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.519864][ T405] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.520174][ T405] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.520494][ T405] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.520809][ T405] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.521118][ T405] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.521421][ T405] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.521838][ T405] ___sys_sendmsg (net/socket.c:2670) 
[ 35.522145][ T405] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.522450][ T405] ? __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) 
[ 35.522857][ T405] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.523175][ T405] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.523500][ T405] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.523815][ T405] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.524130][ T405] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.524437][ T405] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.524764][ T405] __sys_sendmsg (net/socket.c:2700) 
[ 35.525068][ T405] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.525449][ T405] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.525784][ T405] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.526094][ T405] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.526399][ T405] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.526807][  T405] RIP: 0033:0x7fc0a25ce1e7
[ 35.527129][ T405] 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)
[   35.528234][  T405] RSP: 002b:00007ffeb25a7ab8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.528732][  T405] RAX: ffffffffffffffda RBX: 00007ffeb25a81e0 RCX: 00007fc0a25ce1e7
[   35.529195][  T405] RDX: 0000000000000000 RSI: 00007ffeb25a7b20 RDI: 0000000000000005
[   35.529665][  T405] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   35.530129][  T405] R10: 00007fc0a24cbee8 R11: 0000000000000246 R12: 0000000000000003
[   35.530618][  T405] R13: 00000000686e6959 R14: 0000000000499600 R15: 0000000000000000
| [   35.669889][  T406] ------------[ cut here ]------------
| [ 35.670206][ T406] WARNING: CPU: 1 PID: 406 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) 
| [   35.670822][  T406] Modules linked in: bridge stp llc 8021q vrf veth
| [   35.672513][  T406] Tainted: [W]=WARN
[   35.672753][  T406] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.673134][ T406] 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) 
[ 35.673454][ T406] 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
[   35.674544][  T406] RSP: 0018:ffffc90000866f70 EFLAGS: 00010246
[   35.674929][  T406] RAX: 0000000000000000 RBX: ffff88800aafa000 RCX: 0000000000000001
[   35.675386][  T406] RDX: 0000000000000000 RSI: ffffffffb7e9b939 RDI: ffffffffb76555e0
[   35.675863][  T406] RBP: ffffc90000867058 R08: 0000000000000000 R09: 0000000000000000
[   35.676319][  T406] R10: ffffc90000867088 R11: ffffffffb8379160 R12: 1ffff9200010cdf2
[   35.676788][  T406] R13: 00000000000005dc R14: ffffc90000867088 R15: ffff88800aafaf08
[   35.677245][  T406] FS:  00007febda45f800(0000) GS:ffff88807c337000(0000) knlGS:0000000000000000
[   35.677797][  T406] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.678186][  T406] CR2: 00000000004e73a8 CR3: 000000000a9a4005 CR4: 0000000000772ef0
[   35.678742][  T406] PKRU: 55555554
[   35.678978][  T406] Call Trace:
[   35.679210][  T406]  <TASK>
[ 35.679365][ T406] ? __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) 
[ 35.679767][ T406] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 35.680117][ T406] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 35.680423][ T406] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.680738][ T406] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.681044][ T406] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 35.681349][ T406] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.681667][ T406] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.681979][ T406] ? ___sys_sendmsg (net/socket.c:2670) 
[ 35.682290][ T406] ? __sys_sendmsg (net/socket.c:2700) 
[ 35.682604][ T406] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.682914][ T406] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 35.683296][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.683621][ T406] netif_set_mtu (net/core/dev.c:9652) 
[ 35.683929][ T406] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 35.684359][ T406] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 35.684608][ T406] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 35.685028][ T406] br_del_if (net/bridge/br_if.c:743) bridge 
[ 35.685372][ T406] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 35.685692][ T406] do_set_master (net/core/rtnetlink.c:2932) 
[ 35.685999][ T406] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.686311][ T406] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.686712][ T406] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.687024][ T406] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.687329][ T406] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.687651][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.687959][ T406] ? __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) 
[ 35.688266][ T406] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.688680][ T406] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.688991][ T406] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.689297][ T406] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.689624][ T406] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.689936][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.690246][ T406] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.690569][ T406] ? __create_object (mm/kmemleak.c:771) 
[ 35.690888][ T406] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.691194][ T406] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.691529][ T406] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.691920][ T406] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.692234][ T406] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.692555][ T406] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.692863][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.693175][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.693497][ T406] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.693801][ T406] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.694111][ T406] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.694450][ T406] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.694769][ T406] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.695079][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.695390][ T406] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.695708][ T406] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.696021][ T406] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.696336][ T406] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.696657][ T406] ? 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) 
[ 35.696990][ T406] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 35.697302][ T406] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.697619][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.697934][ T406] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.698265][ T406] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.698594][ T406] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.698920][ T406] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.699234][ T406] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.699552][ T406] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.699946][ T406] ___sys_sendmsg (net/socket.c:2670) 
[ 35.700254][ T406] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.700572][ T406] ? __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) 
[ 35.700959][ T406] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.701273][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.701604][ T406] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.701918][ T406] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.702225][ T406] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.702538][ T406] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.702854][ T406] __sys_sendmsg (net/socket.c:2700) 
[ 35.703159][ T406] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.703548][ T406] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.703873][ T406] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.704181][ T406] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.704503][ T406] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.704884][  T406] RIP: 0033:0x7febda62c1e7
[ 35.705204][ T406] 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)
[   35.706311][  T406] RSP: 002b:00007ffd25098948 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.706781][  T406] RAX: ffffffffffffffda RBX: 00007ffd25099070 RCX: 00007febda62c1e7
[   35.707241][  T406] RDX: 0000000000000000 RSI: 00007ffd250989b0 RDI: 0000000000000005
[   35.707706][  T406] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   35.708170][  T406] R10: 00007febda529ee8 R11: 0000000000000246 R12: 0000000000000003
[   35.708651][  T406] R13: 00000000686e6959 R14: 0000000000499600 R15: 0000000000000000
| [   37.914289][  T408] ------------[ cut here ]------------
| [ 37.914622][ T408] WARNING: CPU: 0 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) 
| [   37.915223][  T408] Modules linked in: bridge stp llc 8021q vrf veth
| [   37.916870][  T408] Tainted: [W]=WARN
[   37.917108][  T408] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.917500][ 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) 
[ 37.917814][ 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
[   37.918962][  T408] RSP: 0018:ffffc90000886ef0 EFLAGS: 00010246
[   37.919352][  T408] RAX: 0000000000000000 RBX: ffff88800aafa000 RCX: 0000000000000001
[   37.919822][  T408] RDX: 0000000000000000 RSI: ffffffffb7e9b939 RDI: ffffffffb76555e0
[   37.920279][  T408] RBP: ffffc90000886fe0 R08: 0000000000000000 R09: 0000000000000000
[   37.920744][  T408] R10: ffffc90000887010 R11: ffffffffb8ca8918 R12: 1ffff92000110de2
[   37.921208][  T408] R13: 00000000000005dc R14: ffffc90000887010 R15: ffff88800aafaf08
[   37.921677][  T408] FS:  00007f755d04e800(0000) GS:ffff88807c2b7000(0000) knlGS:0000000000000000
[   37.922210][  T408] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.922606][  T408] CR2: 00000000004e6898 CR3: 000000000b32e001 CR4: 0000000000772ef0
[   37.923073][  T408] PKRU: 55555554
[   37.923302][  T408] Call Trace:
[   37.923560][  T408]  <TASK>
[ 37.923722][ T408] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.924028][ T408] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.924338][ T408] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 37.924653][ T408] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 37.925038][ T408] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 37.925354][ T408] netif_set_mtu (net/core/dev.c:9652) 
[ 37.925672][ T408] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 37.926035][ T408] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 37.926465][ T408] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 37.926721][ T408] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 37.927149][ T408] br_add_if (net/bridge/br_if.c:697) bridge 
[ 37.927513][ T408] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 37.927852][ T408] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 37.928163][ T408] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.928574][ T408] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.928885][ T408] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.929192][ T408] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.929512][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.929827][ 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) 
[ 37.930143][ T408] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.930536][ T408] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.930845][ T408] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.931149][ T408] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.931454][ T408] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.931775][ T408] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.932092][ T408] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.932409][ T408] ? __create_object (mm/kmemleak.c:771) 
[ 37.932726][ T408] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.933034][ T408] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.933341][ T408] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.933733][ T408] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.934047][ T408] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.934359][ T408] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.934673][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.934988][ T408] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.935296][ T408] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.935610][ T408] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.935918][ T408] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.936221][ T408] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.936539][ T408] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.936851][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.937161][ T408] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.937495][ T408] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.937808][ T408] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.938127][ T408] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.938430][ 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) 
[ 37.938762][ T408] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 37.939074][ T408] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.939382][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.939706][ T408] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.940022][ T408] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.940327][ T408] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.940649][ T408] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.940957][ T408] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.941260][ T408] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.941658][ T408] ___sys_sendmsg (net/socket.c:2670) 
[ 37.941966][ T408] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.942269][ 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) 
[ 37.942660][ T408] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.942973][ T408] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.943281][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.943601][ T408] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.943908][ 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) 
[ 37.944219][ T408] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.944544][ T408] __sys_sendmsg (net/socket.c:2700) 
[ 37.944856][ T408] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.945245][ T408] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.945576][ T408] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.945890][ T408] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.946197][ T408] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.946593][  T408] RIP: 0033:0x7f755d21b1e7
[ 37.946910][ 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)
[   37.948011][  T408] RSP: 002b:00007ffe7341a718 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.948486][  T408] RAX: ffffffffffffffda RBX: 00007ffe7341ae40 RCX: 00007f755d21b1e7
[   37.948966][  T408] RDX: 0000000000000000 RSI: 00007ffe7341a780 RDI: 0000000000000005
[   37.949428][  T408] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   37.949897][  T408] R10: 0000000027ce1910 R11: 0000000000000246 R12: 0000000000000004
[   37.950353][  T408] R13: 00000000686e695b R14: 0000000000499600 R15: 0000000000000000
| [   38.080009][  T409] ------------[ cut here ]------------
| [ 38.080330][ T409] WARNING: CPU: 2 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) 
| [   38.081249][  T409] Modules linked in: bridge stp llc 8021q vrf veth
| [   38.082891][  T409] Tainted: [W]=WARN
[   38.083267][  T409] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.083902][ 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) 
[ 38.084410][ 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
[   38.085584][  T409] RSP: 0018:ffffc90000886ef0 EFLAGS: 00010246
[   38.085983][  T409] RAX: 0000000000000000 RBX: ffff88800c43a000 RCX: 0000000000000001
[   38.086460][  T409] RDX: 0000000000000000 RSI: ffffffffb7e9b939 RDI: ffffffffb76555e0
[   38.086954][  T409] RBP: ffffc90000886fe0 R08: 0000000000000000 R09: 0000000000000000
[   38.087424][  T409] R10: ffffc90000887010 R11: ffffffffb8ca8918 R12: 1ffff92000110de2
[   38.087912][  T409] R13: 00000000000005dc R14: ffffc90000887010 R15: ffff88800c43af08
[   38.088393][  T409] FS:  00007f9e65c93800(0000) GS:ffff88807c3b7000(0000) knlGS:0000000000000000
[   38.089007][  T409] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.089409][  T409] CR2: 00000000004e6890 CR3: 000000000613b004 CR4: 0000000000772ef0
[   38.089906][  T409] PKRU: 55555554
[   38.090153][  T409] Call Trace:
[   38.090397][  T409]  <TASK>
[ 38.090604][ T409] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.090930][ T409] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.091256][ T409] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 38.091601][ T409] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 38.091994][ T409] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 38.092315][ T409] netif_set_mtu (net/core/dev.c:9652) 
[ 38.092680][ T409] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 38.093020][ T409] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 38.093458][ T409] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 38.093740][ T409] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 38.094176][ T409] br_add_if (net/bridge/br_if.c:697) bridge 
[ 38.094586][ T409] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 38.094912][ T409] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 38.095235][ T409] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.095663][ T409] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.095984][ T409] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.096300][ T409] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.096663][ T409] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.096987][ 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) 
[ 38.097306][ T409] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.097733][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.098056][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.098374][ T409] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.098735][ T409] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.099054][ T409] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.099375][ T409] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.099718][ T409] ? __create_object (mm/kmemleak.c:771) 
[ 38.100041][ T409] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.100366][ T409] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.100727][ T409] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.101120][ T409] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.101444][ T409] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.101797][ T409] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.102118][ T409] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.102440][ T409] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.102784][ T409] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.103106][ T409] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.103424][ T409] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.103761][ T409] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.104084][ T409] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.104406][ T409] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.104772][ T409] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.105090][ T409] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.105413][ T409] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.105765][ T409] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.106078][ 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) 
[ 38.106396][ T409] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 38.106740][ T409] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.107061][ T409] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.107382][ T409] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.107735][ T409] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.108050][ T409] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.108377][ T409] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.108756][ T409] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.109077][ T409] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.109504][ T409] ___sys_sendmsg (net/socket.c:2670) 
[ 38.109827][ T409] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.110151][ 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) 
[ 38.110568][ T409] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.110890][ T409] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.111212][ T409] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.111559][ T409] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.111879][ 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) 
[ 38.112197][ T409] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.112560][ T409] __sys_sendmsg (net/socket.c:2700) 
[ 38.112885][ T409] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.113278][ T409] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.113629][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.113954][ T409] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.114272][ T409] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.114685][  T409] RIP: 0033:0x7f9e65e601e7
[ 38.115014][ 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)
[   38.116150][  T409] RSP: 002b:00007ffda9a6fa38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.116671][  T409] RAX: ffffffffffffffda RBX: 00007ffda9a70160 RCX: 00007f9e65e601e7
[   38.117144][  T409] RDX: 0000000000000000 RSI: 00007ffda9a6faa0 RDI: 0000000000000005
[   38.117651][  T409] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   38.118125][  T409] R10: 0000000027f42910 R11: 0000000000000246 R12: 0000000000000004
[   38.118631][  T409] R13: 00000000686e695b R14: 0000000000499600 R15: 0000000000000000
| [   44.818760][  T461] ------------[ cut here ]------------
| [ 44.819132][ T461] WARNING: CPU: 3 PID: 461 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) 
| [   44.819750][  T461] Modules linked in: bridge stp llc 8021q vrf veth
| [   44.820777][  T461] Tainted: [W]=WARN
[   44.821009][  T461] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.821388][ T461] 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) 
[ 44.821717][ T461] 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
[   44.822845][  T461] RSP: 0018:ffffc90000a96f70 EFLAGS: 00010246
[   44.823252][  T461] RAX: 0000000000000000 RBX: ffff88800aafa000 RCX: 0000000000000001
[   44.824486][  T461] RDX: 0000000000000000 RSI: ffffffffb7e9b939 RDI: ffffffffb76555e0
[   44.824950][  T461] RBP: ffffc90000a97058 R08: 0000000000000000 R09: 0000000000000000
[   44.825413][  T461] R10: ffffc90000a97088 R11: ffffffffb8379160 R12: 1ffff92000152df2
[   44.825879][  T461] R13: 00000000000005dc R14: ffffc90000a97088 R15: ffff88800aafaf08
[   44.826368][  T461] FS:  00007fe08d118800(0000) GS:ffff88807c437000(0000) knlGS:0000000000000000
[   44.826908][  T461] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.827293][  T461] CR2: 00000000004e73a8 CR3: 000000000f62c006 CR4: 0000000000772ef0
[   44.827762][  T461] PKRU: 55555554
[   44.827994][  T461] Call Trace:
[   44.828225][  T461]  <TASK>
[ 44.828384][ T461] ? __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) 
[ 44.828795][ T461] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 44.829152][ T461] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 44.829479][ T461] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 44.829786][ T461] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 44.830114][ T461] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 44.830421][ T461] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 44.830735][ T461] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 44.831046][ T461] ? ___sys_sendmsg (net/socket.c:2670) 
[ 44.831352][ T461] ? __sys_sendmsg (net/socket.c:2700) 
[ 44.831665][ T461] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 44.831972][ T461] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 44.832350][ T461] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.832675][ T461] netif_set_mtu (net/core/dev.c:9652) 
[ 44.832990][ T461] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 44.833313][ T461] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 44.833555][ T461] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 44.833980][ T461] br_del_if (net/bridge/br_if.c:743) bridge 
[ 44.834321][ T461] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 44.834634][ T461] do_set_master (net/core/rtnetlink.c:2932) 
[ 44.834945][ T461] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 44.835254][ T461] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 44.835653][ T461] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 44.835962][ T461] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 44.836266][ T461] ? __kernel_text_address (kernel/extable.c:79) 
[ 44.836587][ T461] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.836899][ T461] ? __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) 
[ 44.837210][ T461] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 44.837606][ T461] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.837918][ T461] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.838222][ T461] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 44.838537][ T461] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 44.838863][ T461] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.839169][ T461] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 44.839486][ T461] ? __create_object (mm/kmemleak.c:771) 
[ 44.839795][ T461] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 44.840103][ T461] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.840410][ T461] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 44.840807][ T461] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 44.841156][ T461] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 44.841501][ T461] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.841807][ T461] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.842119][ T461] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.842427][ T461] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 44.842742][ T461] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.843052][ T461] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.843358][ T461] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 44.843675][ T461] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.843994][ T461] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.844307][ T461] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 44.844623][ T461] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.844931][ T461] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 44.845247][ T461] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 44.845560][ T461] ? 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) 
[ 44.845869][ T461] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 44.846180][ T461] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 44.846495][ T461] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.846808][ T461] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 44.847116][ T461] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 44.847423][ T461] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 44.847748][ T461] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 44.848054][ T461] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 44.848360][ T461] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 44.848776][ T461] ___sys_sendmsg (net/socket.c:2670) 
[ 44.849081][ T461] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 44.849382][ T461] ? __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) 
[ 44.849774][ T461] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 44.850084][ T461] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.850390][ T461] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.850713][ T461] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.851020][ T461] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 44.851324][ T461] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.851644][ T461] __sys_sendmsg (net/socket.c:2700) 
[ 44.851947][ T461] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 44.852322][ T461] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 44.852646][ T461] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.852957][ T461] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 44.853262][ T461] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.853645][  T461] RIP: 0033:0x7fe08d2e51e7
[ 44.853963][ T461] 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)
[   44.855048][  T461] RSP: 002b:00007ffcee3d1ae8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   44.855519][  T461] RAX: ffffffffffffffda RBX: 00007ffcee3d2210 RCX: 00007fe08d2e51e7
[   44.855975][  T461] RDX: 0000000000000000 RSI: 00007ffcee3d1b50 RDI: 0000000000000005
[   44.856433][  T461] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   44.856929][  T461] R10: 00007fe08d1e2ee8 R11: 0000000000000246 R12: 0000000000000003
[   44.857389][  T461] R13: 00000000686e6962 R14: 0000000000499600 R15: 0000000000000000
| [   45.554849][  T468] ------------[ cut here ]------------
| [ 45.555185][ T468] WARNING: CPU: 0 PID: 468 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) 
| [   45.556211][  T468] Modules linked in: bridge stp llc 8021q vrf veth
| [   45.557278][  T468] Tainted: [W]=WARN
[   45.557522][  T468] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.557907][ T468] 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) 
[ 45.558226][ T468] 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
[   45.559429][  T468] RSP: 0018:ffffc90000b56f70 EFLAGS: 00010246
[   45.559846][  T468] RAX: 0000000000000000 RBX: ffff88800c43a000 RCX: 0000000000000001
[   45.560306][  T468] RDX: 0000000000000000 RSI: ffffffffb7e9b939 RDI: ffffffffb76555e0
[   45.560781][  T468] RBP: ffffc90000b57058 R08: 0000000000000000 R09: 0000000000000000
[   45.561239][  T468] R10: ffffc90000b57088 R11: ffffffffb8379160 R12: 1ffff9200016adf2
[   45.561727][  T468] R13: 00000000000005dc R14: ffffc90000b57088 R15: ffff88800c43af08
[   45.562185][  T468] FS:  00007f77bd0fb800(0000) GS:ffff88807c2b7000(0000) knlGS:0000000000000000
[   45.562762][  T468] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.563174][  T468] CR2: 00000000004e7398 CR3: 000000000262d003 CR4: 0000000000772ef0
[   45.563645][  T468] PKRU: 55555554
[   45.563877][  T468] Call Trace:
[   45.564108][  T468]  <TASK>
[ 45.564265][ T468] ? __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) 
[ 45.564690][ T468] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 45.565050][ T468] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 45.565357][ T468] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 45.565676][ T468] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 45.565990][ T468] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 45.566296][ T468] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 45.566624][ T468] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 45.566977][ T468] ? ___sys_sendmsg (net/socket.c:2670) 
[ 45.567280][ T468] ? __sys_sendmsg (net/socket.c:2700) 
[ 45.567598][ T468] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 45.567906][ T468] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 45.568286][ T468] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.568624][ T468] netif_set_mtu (net/core/dev.c:9652) 
[ 45.568935][ T468] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 45.569258][ T468] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 45.569503][ T468] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 45.569932][ T468] br_del_if (net/bridge/br_if.c:743) bridge 
[ 45.570275][ T468] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 45.570611][ T468] do_set_master (net/core/rtnetlink.c:2932) 
[ 45.570926][ T468] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 45.571239][ T468] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 45.571666][ T468] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 45.571973][ T468] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 45.572280][ T468] ? __kernel_text_address (kernel/extable.c:79) 
[ 45.572610][ T468] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.572922][ T468] ? __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) 
[ 45.573231][ T468] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 45.573629][ T468] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.573964][ T468] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.574281][ T468] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 45.574633][ T468] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 45.574974][ T468] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.575286][ T468] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 45.575598][ T468] ? __create_object (mm/kmemleak.c:771) 
[ 45.575908][ T468] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 45.576215][ T468] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 45.576533][ T468] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 45.576913][ T468] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 45.577231][ T468] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 45.577557][ T468] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 45.577866][ T468] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.578177][ T468] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.578511][ T468] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 45.578838][ T468] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 45.579148][ T468] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 45.579453][ T468] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 45.579780][ T468] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 45.580092][ T468] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.580406][ T468] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 45.580726][ T468] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 45.581037][ T468] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 45.581356][ T468] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 45.581675][ T468] ? 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) 
[ 45.581998][ T468] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 45.582309][ T468] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 45.582638][ T468] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.582949][ T468] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 45.583259][ T468] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 45.583576][ T468] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 45.583890][ T468] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 45.584228][ T468] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 45.584553][ T468] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 45.584948][ T468] ___sys_sendmsg (net/socket.c:2670) 
[ 45.585258][ T468] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 45.585578][ T468] ? __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) 
[ 45.585960][ T468] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 45.586270][ T468] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.586609][ T468] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.586931][ T468] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.587242][ T468] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 45.587560][ T468] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 45.587874][ T468] __sys_sendmsg (net/socket.c:2700) 
[ 45.588176][ T468] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 45.588584][ T468] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 45.588920][ T468] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.589231][ T468] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 45.589553][ T468] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.589935][  T468] RIP: 0033:0x7f77bd2c81e7
[ 45.590253][ T468] 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)
[   45.591369][  T468] RSP: 002b:00007ffc7ea75c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   45.591844][  T468] RAX: ffffffffffffffda RBX: 00007ffc7ea76360 RCX: 00007f77bd2c81e7
[   45.592300][  T468] RDX: 0000000000000000 RSI: 00007ffc7ea75ca0 RDI: 0000000000000005
[   45.592769][  T468] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   45.593232][  T468] R10: 00007f77bd1c5ee8 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