======================================
| [   20.676460][  T328] br1: port 1(vx10) entered forwarding state
| [   20.678389][  T328] ------------[ cut here ]------------
| [ 20.679224][ T328] WARNING: CPU: 2 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) 
| [   20.680305][  T328] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
[   20.682377][  T328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.683286][ 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) 
[ 20.683886][ 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
[   20.685905][  T328] RSP: 0018:ffffc90000626ef0 EFLAGS: 00010246
[   20.686645][  T328] RAX: 0000000000000000 RBX: ffff888004daa000 RCX: 0000000000000001
[   20.687533][  T328] RDX: 0000000000000000 RSI: ffffffffa349b939 RDI: ffffffffa2c555e0
[   20.688319][  T328] RBP: ffffc90000626fe0 R08: 0000000000000000 R09: 0000000000000000
[   20.688908][  T328] R10: ffffc90000627010 R11: ffffffffa42a8918 R12: 1ffff920000c4de2
[   20.689495][  T328] R13: 00000000000005dc R14: ffffc90000627010 R15: ffff888004daaf08
[   20.690015][  T328] FS:  00007f47d6681800(0000) GS:ffff888090db7000(0000) knlGS:0000000000000000
[   20.690581][  T328] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.691110][  T328] CR2: 00000000004e5ce0 CR3: 000000000c114004 CR4: 0000000000772ef0
[   20.691589][  T328] PKRU: 55555554
[   20.691955][  T328] Call Trace:
[   20.692271][  T328]  <TASK>
[ 20.692449][ T328] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.692862][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.693209][ T328] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 20.693625][ T328] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 20.694054][ T328] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 20.694378][ T328] netif_set_mtu (net/core/dev.c:9652) 
[ 20.694735][ T328] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.695088][ T328] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 20.695531][ T328] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.695792][ T328] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 20.696235][ T328] br_add_if (net/bridge/br_if.c:697) bridge 
[ 20.696603][ T328] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 20.696941][ T328] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 20.697281][ T328] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.697705][ T328] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.698037][ T328] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.698355][ T328] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.698690][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.699014][ 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) 
[ 20.699414][ T328] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.699829][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.700169][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.700488][ T328] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.700949][ T328] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.701599][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.701941][ T328] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.702272][ T328] ? __create_object (mm/kmemleak.c:771) 
[ 20.702679][ T328] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.703020][ T328] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.703360][ T328] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.703835][ T328] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.704228][ T328] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.704635][ T328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.704988][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.705371][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.705797][ T328] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.706139][ T328] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.706478][ T328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.706879][ T328] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.707586][ T328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.708011][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.708758][ T328] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.709185][ T328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.709657][ T328] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.710084][ T328] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.710406][ 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) 
[ 20.710743][ T328] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 20.711078][ T328] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.711405][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.711753][ T328] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.712195][ T328] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.712918][ T328] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.713508][ T328] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.714097][ T328] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.714655][ T328] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.715259][ T328] ___sys_sendmsg (net/socket.c:2670) 
[ 20.715697][ T328] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.716110][ 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) 
[ 20.716734][ T328] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.717179][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.717506][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.717897][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.718289][ 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) 
[ 20.718959][ T328] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.719395][ T328] __sys_sendmsg (net/socket.c:2700) 
[ 20.719863][ T328] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.720555][ T328] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.721159][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.721677][ T328] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.722038][ T328] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.722522][  T328] RIP: 0033:0x7f47d684e1e7
[ 20.722877][ 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)
[   20.724132][  T328] RSP: 002b:00007ffef410d828 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.724678][  T328] RAX: ffffffffffffffda RBX: 00007ffef410df50 RCX: 00007f47d684e1e7
[   20.725371][  T328] RDX: 0000000000000000 RSI: 00007ffef410d890 RDI: 0000000000000005
[   20.726080][  T328] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   20.726894][  T328] R10: 000000002d543910 R11: 0000000000000246 R12: 0000000000000004
[   20.728969][  T328] R13: 00000000686e7184 R14: 0000000000499600 R15: 0000000000000000
| [   21.290067][  T333] ------------[ cut here ]------------
| [ 21.290390][ T333] WARNING: CPU: 2 PID: 333 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) 
| [   21.291005][  T333] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   21.292317][  T333] Tainted: [W]=WARN
[   21.292572][  T333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.292963][ T333] 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) 
[ 21.293302][ T333] 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
[   21.294520][  T333] RSP: 0018:ffffc900005e6ef0 EFLAGS: 00010246
[   21.294944][  T333] RAX: 0000000000000000 RBX: ffff888004daa000 RCX: 0000000000000001
[   21.295426][  T333] RDX: 0000000000000000 RSI: ffffffffa349b939 RDI: ffffffffa2c555e0
[   21.295897][  T333] RBP: ffffc900005e6fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.296383][  T333] R10: ffffc900005e7010 R11: ffffffffa42a8918 R12: 1ffff920000bcde2
[   21.296871][  T333] R13: 00000000000005dc R14: ffffc900005e7010 R15: ffff888004daaf08
[   21.297354][  T333] FS:  00007fb46ac7f800(0000) GS:ffff888090db7000(0000) knlGS:0000000000000000
[   21.297900][  T333] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.298342][  T333] CR2: 00000000004e5de8 CR3: 00000000075a2002 CR4: 0000000000772ef0
[   21.298816][  T333] PKRU: 55555554
[   21.299067][  T333] Call Trace:
[   21.299312][  T333]  <TASK>
[ 21.299483][ T333] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.299803][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.300141][ T333] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.300460][ T333] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.300862][ T333] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.301197][ T333] netif_set_mtu (net/core/dev.c:9652) 
[ 21.301518][ T333] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.301847][ T333] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.302300][ T333] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.302546][ T333] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.302987][ T333] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.303365][ T333] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 21.303692][ T333] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.304015][ T333] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.304435][ T333] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.304756][ T333] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.305110][ T333] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.305445][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.305776][ T333] ? __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) 
[ 21.306111][ T333] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.306504][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.306824][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.307149][ T333] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.307466][ T333] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.307794][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.308122][ T333] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.308440][ T333] ? __create_object (mm/kmemleak.c:771) 
[ 21.308760][ T333] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.309090][ T333] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.309407][ T333] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.309798][ T333] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.310135][ T333] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.310468][ T333] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.310787][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.311126][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.311445][ T333] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.311761][ T333] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.312106][ T333] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.312428][ T333] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.312747][ T333] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.313091][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.313414][ T333] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.313733][ T333] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.314062][ T333] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.314394][ T333] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.314711][ T333] ? 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) 
[ 21.315057][ T333] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 21.315387][ T333] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.315702][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.316040][ T333] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.316362][ T333] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.316680][ T333] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.317003][ T333] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.317339][ T333] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.317662][ T333] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.318077][ T333] ___sys_sendmsg (net/socket.c:2670) 
[ 21.318390][ T333] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.318708][ T333] ? __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) 
[ 21.319110][ T333] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.319431][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.319749][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.320090][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.320406][ T333] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.320722][ T333] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.321055][ T333] __sys_sendmsg (net/socket.c:2700) 
[ 21.321375][ T333] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.321762][ T333] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.322104][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.322427][ T333] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.322747][ T333] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.323147][  T333] RIP: 0033:0x7fb46ae4c1e7
[ 21.323476][ T333] 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)
[   21.324583][  T333] RSP: 002b:00007fff6dab6dd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.325106][  T333] RAX: ffffffffffffffda RBX: 00007fff6dab7500 RCX: 00007fb46ae4c1e7
[   21.325575][  T333] RDX: 0000000000000000 RSI: 00007fff6dab6e40 RDI: 0000000000000005
[   21.326056][  T333] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.326525][  T333] R10: 00000000288d3910 R11: 0000000000000246 R12: 0000000000000004
[   21.326999][  T333] R13: 00000000686e7185 R14: 0000000000499600 R15: 0000000000000000
| [   21.544123][  T335] ------------[ cut here ]------------
| [ 21.544489][ T335] WARNING: CPU: 2 PID: 335 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) 
| [   21.545159][  T335] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   21.546430][  T335] Tainted: [W]=WARN
[   21.546696][  T335] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.547115][ T335] 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) 
[ 21.547457][ T335] 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
[   21.548588][  T335] RSP: 0018:ffffc90000646ef0 EFLAGS: 00010246
[   21.549008][  T335] RAX: 0000000000000000 RBX: ffff888004daa000 RCX: 0000000000000001
[   21.549506][  T335] RDX: 0000000000000000 RSI: ffffffffa349b939 RDI: ffffffffa2c555e0
[   21.549995][  T335] RBP: ffffc90000646fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.550491][  T335] R10: ffffc90000647010 R11: ffffffffa42a8918 R12: 1ffff920000c8de2
[   21.550995][  T335] R13: 00000000000005dc R14: ffffc90000647010 R15: ffff888004daaf08
[   21.551484][  T335] FS:  00007f566d321800(0000) GS:ffff888090db7000(0000) knlGS:0000000000000000
[   21.552117][  T335] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.552535][  T335] CR2: 00000000004e5aa8 CR3: 000000000a393006 CR4: 0000000000772ef0
[   21.553043][  T335] PKRU: 55555554
[   21.553295][  T335] Call Trace:
[   21.553543][  T335]  <TASK>
[ 21.553727][ T335] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.554074][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.554414][ T335] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.554748][ T335] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.555187][ T335] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.555540][ T335] netif_set_mtu (net/core/dev.c:9652) 
[ 21.555908][ T335] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.556285][ T335] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.556746][ T335] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.557043][ T335] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.557482][ T335] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.557851][ T335] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 21.558222][ T335] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.558560][ T335] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.558978][ T335] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.559326][ T335] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.559702][ T335] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.560054][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.560385][ T335] ? __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) 
[ 21.560728][ T335] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.561144][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.561486][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.561822][ T335] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.562165][ T335] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.562489][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.562825][ T335] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.563161][ T335] ? __create_object (mm/kmemleak.c:771) 
[ 21.563497][ T335] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.563823][ T335] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.564175][ T335] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.564568][ T335] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.564909][ T335] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.565254][ T335] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.565573][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.565913][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.566255][ T335] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.566575][ T335] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.566902][ T335] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.567232][ T335] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.567564][ T335] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.567901][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.568244][ T335] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.568571][ T335] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.568898][ T335] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.569239][ T335] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.569556][ T335] ? 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) 
[ 21.569879][ T335] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 21.570214][ T335] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.570532][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.570864][ T335] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.571199][ T335] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.571518][ T335] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.571859][ T335] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.572203][ T335] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.572522][ T335] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.572925][ T335] ___sys_sendmsg (net/socket.c:2670) 
[ 21.573261][ T335] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.573578][ T335] ? __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) 
[ 21.573976][ T335] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.574310][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.574647][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.574994][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.575330][ T335] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.575660][ T335] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.575989][ T335] __sys_sendmsg (net/socket.c:2700) 
[ 21.576346][ T335] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.576746][ T335] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.577119][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.577449][ T335] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.577771][ T335] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.578174][  T335] RIP: 0033:0x7f566d4ee1e7
[ 21.578515][ T335] 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)
[   21.579656][  T335] RSP: 002b:00007ffe0a2d9da8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.580141][  T335] RAX: ffffffffffffffda RBX: 00007ffe0a2da4d0 RCX: 00007f566d4ee1e7
[   21.580631][  T335] RDX: 0000000000000000 RSI: 00007ffe0a2d9e10 RDI: 0000000000000005
[   21.581136][  T335] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.581618][  T335] R10: 000000000c40a910 R11: 0000000000000246 R12: 0000000000000004
[   21.582134][  T335] R13: 00000000686e7185 R14: 0000000000499600 R15: 0000000000000000
| [   21.913484][  T338] ------------[ cut here ]------------
| [ 21.913824][ T338] WARNING: CPU: 2 PID: 338 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) 
| [   21.914457][  T338] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   21.916270][  T338] Tainted: [W]=WARN
[   21.916526][  T338] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.916949][ T338] 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) 
[ 21.917292][ T338] 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
[   21.918425][  T338] RSP: 0018:ffffc90000676ef0 EFLAGS: 00010246
[   21.918859][  T338] RAX: 0000000000000000 RBX: ffff888004daa000 RCX: 0000000000000001
[   21.919341][  T338] RDX: 0000000000000000 RSI: ffffffffa349b939 RDI: ffffffffa2c555e0
[   21.919904][  T338] RBP: ffffc90000676fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.920390][  T338] R10: ffffc90000677010 R11: ffffffffa42a8918 R12: 1ffff920000cede2
[   21.920862][  T338] R13: 00000000000005dc R14: ffffc90000677010 R15: ffff888004daaf08
[   21.921362][  T338] FS:  00007fcb95ad1800(0000) GS:ffff888090db7000(0000) knlGS:0000000000000000
[   21.921911][  T338] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.922334][  T338] CR2: 00000000004e5ab0 CR3: 00000000099c9004 CR4: 0000000000772ef0
[   21.922837][  T338] PKRU: 55555554
[   21.923095][  T338] Call Trace:
[   21.923341][  T338]  <TASK>
[ 21.923513][ T338] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.923834][ T338] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.924232][ T338] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.924553][ T338] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.924963][ T338] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.925309][ T338] netif_set_mtu (net/core/dev.c:9652) 
[ 21.925631][ T338] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.925960][ T338] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.926410][ T338] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.926657][ T338] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.927097][ T338] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.927464][ T338] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 21.927794][ T338] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.928128][ T338] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.928537][ T338] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.928901][ T338] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.929233][ T338] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.929558][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.929878][ T338] ? __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) 
[ 21.930239][ T338] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.930632][ T338] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.930957][ T338] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.931283][ T338] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.931602][ T338] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.931919][ T338] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.932245][ T338] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.932564][ T338] ? __create_object (mm/kmemleak.c:771) 
[ 21.932884][ T338] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.933236][ T338] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.933555][ T338] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.933948][ T338] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.934283][ T338] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.934606][ T338] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.934938][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.935280][ T338] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.935601][ T338] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.935916][ T338] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.936248][ T338] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.936564][ T338] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.936885][ T338] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.937218][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.937542][ T338] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.937870][ T338] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.938200][ T338] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.938528][ T338] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.938841][ T338] ? 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) 
[ 21.939170][ T338] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 21.939492][ T338] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.939811][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.940154][ T338] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.940476][ T338] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.940793][ T338] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.941129][ T338] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.941457][ T338] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.941774][ T338] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.942185][ T338] ___sys_sendmsg (net/socket.c:2670) 
[ 21.942503][ T338] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.942819][ T338] ? __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) 
[ 21.943224][ T338] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.943546][ T338] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.943867][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.944203][ T338] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.944523][ T338] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.944933][ T338] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.945323][ T338] __sys_sendmsg (net/socket.c:2700) 
[ 21.945644][ T338] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.946053][ T338] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.946387][ T338] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.946731][ T338] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.947064][ T338] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.947471][  T338] RIP: 0033:0x7fcb95c9e1e7
[ 21.947803][ T338] 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)
[   21.948943][  T338] RSP: 002b:00007ffe11ee0b78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.949431][  T338] RAX: ffffffffffffffda RBX: 00007ffe11ee12a0 RCX: 00007fcb95c9e1e7
[   21.949911][  T338] RDX: 0000000000000000 RSI: 00007ffe11ee0be0 RDI: 0000000000000005
[   21.950391][  T338] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.950861][  T338] R10: 000000003a962910 R11: 0000000000000246 R12: 0000000000000004
[   21.951339][  T338] R13: 00000000686e7185 R14: 0000000000499600 R15: 0000000000000000
| [   31.018464][  T430] ------------[ cut here ]------------
| [ 31.018818][ T430] WARNING: CPU: 1 PID: 430 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) 
| [   31.019495][  T430] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   31.020856][  T430] Tainted: [W]=WARN
[   31.021126][  T430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 31.021529][ T430] 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) 
[ 31.021859][ T430] 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
[   31.023018][  T430] RSP: 0018:ffffc90000b66ef0 EFLAGS: 00010246
[   31.023447][  T430] RAX: 0000000000000000 RBX: ffff888004f52000 RCX: 0000000000000001
[   31.023925][  T430] RDX: 0000000000000000 RSI: ffffffffa349b939 RDI: ffffffffa2c555e0
[   31.024425][  T430] RBP: ffffc90000b66fe0 R08: 0000000000000000 R09: 0000000000000000
[   31.024914][  T430] R10: ffffc90000b67010 R11: ffffffffa3979160 R12: 1ffff9200016cde2
[   31.025408][  T430] R13: 00000000000005dc R14: ffffc90000b67010 R15: ffff888004f52f08
[   31.025890][  T430] FS:  00007faa10b6f800(0000) GS:ffff888090d37000(0000) knlGS:0000000000000000
[   31.026475][  T430] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.026882][  T430] CR2: 00000000004e5ce0 CR3: 000000000a9cf006 CR4: 0000000000772ef0
[   31.027392][  T430] PKRU: 55555554
[   31.027635][  T430] Call Trace:
[   31.027883][  T430]  <TASK>
[ 31.028062][ T430] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 31.028386][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.028721][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.029058][ T430] netif_set_mtu (net/core/dev.c:9652) 
[ 31.029380][ T430] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 31.029717][ T430] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 31.029964][ T430] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 31.030420][ T430] br_add_if (net/bridge/br_if.c:697) bridge 
[ 31.030792][ T430] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 31.031149][ T430] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 31.031477][ T430] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 31.031885][ T430] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 31.032214][ T430] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 31.032534][ T430] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.032862][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.033199][ T430] ? __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) 
[ 31.033527][ T430] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 31.033931][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.034268][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.034588][ T430] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 31.034922][ T430] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 31.035266][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.035591][ T430] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 31.035910][ T430] ? __create_object (mm/kmemleak.c:771) 
[ 31.036250][ T430] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 31.036575][ T430] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 31.036895][ T430] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 31.037299][ T430] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 31.037628][ T430] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 31.037954][ T430] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.038283][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.038621][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.038946][ T430] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 31.039282][ T430] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.039607][ T430] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.039927][ T430] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 31.040256][ T430] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.040587][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.040914][ T430] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 31.041252][ T430] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.041573][ T430] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 31.041907][ T430] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 31.042232][ T430] ? 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) 
[ 31.042555][ T430] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 31.042879][ T430] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 31.043219][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.043553][ T430] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.043880][ T430] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 31.044209][ T430] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 31.044538][ T430] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.044868][ T430] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 31.045196][ T430] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 31.045605][ T430] ___sys_sendmsg (net/socket.c:2670) 
[ 31.045929][ T430] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 31.046261][ T430] ? __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) 
[ 31.046735][ T430] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 31.047321][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.047842][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.048395][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.048932][ T430] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 31.049472][ T430] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.050055][ T430] __sys_sendmsg (net/socket.c:2700) 
[ 31.050609][ T430] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 31.051017][ T430] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 31.051398][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.051725][ T430] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.052190][ T430] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.052870][  T430] RIP: 0033:0x7faa10d3c1e7
[ 31.053450][ T430] 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)
[   31.055421][  T430] RSP: 002b:00007ffc70bb2e18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.056257][  T430] RAX: ffffffffffffffda RBX: 00007ffc70bb3540 RCX: 00007faa10d3c1e7
[   31.057089][  T430] RDX: 0000000000000000 RSI: 00007ffc70bb2e80 RDI: 0000000000000005
[   31.057902][  T430] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.058728][  T430] R10: 000000003c9b2910 R11: 0000000000000246 R12: 0000000000000004
[   31.059562][  T430] R13: 00000000686e718e R14: 0000000000499600 R15: 0000000000000000
| [   31.538601][  T434] ------------[ cut here ]------------
| [ 31.538910][ T434] WARNING: CPU: 0 PID: 434 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) 
| [   31.539518][  T434] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   31.540767][  T434] Tainted: [W]=WARN
[   31.541002][  T434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 31.541390][ T434] 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) 
[ 31.541703][ T434] 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
[   31.542801][  T434] RSP: 0018:ffffc90000a16ef0 EFLAGS: 00010246
[   31.543195][  T434] RAX: 0000000000000000 RBX: ffff888004f52000 RCX: 0000000000000001
[   31.543650][  T434] RDX: 0000000000000000 RSI: ffffffffa349b939 RDI: ffffffffa2c555e0
[   31.544112][  T434] RBP: ffffc90000a16fe0 R08: 0000000000000000 R09: 0000000000000000
[   31.544564][  T434] R10: ffffc90000a17010 R11: ffffffffa42a8918 R12: 1ffff92000142de2
[   31.545088][  T434] R13: 00000000000005dc R14: ffffc90000a17010 R15: ffff888004f52f08
[   31.545548][  T434] FS:  00007f62c45d6800(0000) GS:ffff888090cb7000(0000) knlGS:0000000000000000
[   31.546089][  T434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.546474][  T434] CR2: 00000000004e5de8 CR3: 000000000542a006 CR4: 0000000000772ef0
[   31.546944][  T434] PKRU: 55555554
[   31.547196][  T434] Call Trace:
[   31.547427][  T434]  <TASK>
[ 31.547586][ T434] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 31.547893][ T434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.548230][ T434] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 31.548535][ T434] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 31.548918][ T434] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 31.549243][ T434] netif_set_mtu (net/core/dev.c:9652) 
[ 31.549551][ T434] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 31.549874][ T434] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 31.550319][ T434] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 31.550552][ T434] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 31.550970][ T434] br_add_if (net/bridge/br_if.c:697) bridge 
[ 31.551331][ T434] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 31.551647][ T434] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 31.551957][ T434] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 31.552352][ T434] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 31.552657][ T434] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 31.552959][ T434] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.553277][ T434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.553609][ T434] ? __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) 
[ 31.553922][ T434] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 31.554313][ T434] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.554640][ T434] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.554960][ T434] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 31.555277][ T434] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 31.555595][ T434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.555900][ T434] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 31.556223][ T434] ? __create_object (mm/kmemleak.c:771) 
[ 31.556533][ T434] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 31.556852][ T434] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 31.557167][ T434] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 31.557544][ T434] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 31.557871][ T434] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 31.558193][ T434] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.558500][ T434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.558831][ T434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.559148][ T434] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 31.559455][ T434] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.559784][ T434] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.560102][ T434] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 31.560409][ T434] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.560730][ T434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.561067][ T434] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 31.561379][ T434] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.561684][ T434] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 31.562016][ T434] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 31.562337][ T434] ? 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) 
[ 31.562643][ T434] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 31.562970][ T434] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 31.563293][ T434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.563613][ T434] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.563968][ T434] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 31.564288][ T434] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 31.564600][ T434] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.564936][ T434] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 31.565251][ T434] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 31.565643][ T434] ___sys_sendmsg (net/socket.c:2670) 
[ 31.565971][ T434] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 31.566288][ T434] ? __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) 
[ 31.566700][ T434] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 31.567039][ T434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.567346][ T434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.567656][ T434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.567976][ T434] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 31.568299][ T434] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.568636][ T434] __sys_sendmsg (net/socket.c:2700) 
[ 31.568951][ T434] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 31.569340][ T434] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 31.569659][ T434] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.569987][ T434] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.570308][ T434] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.570714][  T434] RIP: 0033:0x7f62c47a31e7
[ 31.571064][ T434] 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)
[   31.572175][  T434] RSP: 002b:00007ffea7d84c08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.572636][  T434] RAX: ffffffffffffffda RBX: 00007ffea7d85330 RCX: 00007f62c47a31e7
[   31.573126][  T434] RDX: 0000000000000000 RSI: 00007ffea7d84c70 RDI: 0000000000000005
[   31.573609][  T434] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.574089][  T434] R10: 0000000010030910 R11: 0000000000000246 R12: 0000000000000004
[   31.574545][  T434] R13: 00000000686e718f R14: 0000000000499600 R15: 0000000000000000
| [   31.834534][  T436] ------------[ cut here ]------------
| [ 31.835100][ T436] WARNING: CPU: 1 PID: 436 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) 
| [   31.836142][  T436] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   31.838334][  T436] Tainted: [W]=WARN
[   31.838735][  T436] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 31.839398][ T436] 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) 
[ 31.839944][ T436] 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
[   31.841783][  T436] RSP: 0018:ffffc90000a36ef0 EFLAGS: 00010246
[   31.842490][  T436] RAX: 0000000000000000 RBX: ffff888004f52000 RCX: 0000000000000001
[   31.843593][  T436] RDX: 0000000000000000 RSI: ffffffffa349b939 RDI: ffffffffa2c555e0
[   31.844406][  T436] RBP: ffffc90000a36fe0 R08: 0000000000000000 R09: 0000000000000000
[   31.845222][  T436] R10: ffffc90000a37010 R11: ffffffffa42a8918 R12: 1ffff92000146de2
[   31.846082][  T436] R13: 00000000000005dc R14: ffffc90000a37010 R15: ffff888004f52f08
[   31.846868][  T436] FS:  00007fcb64b96800(0000) GS:ffff888090d37000(0000) knlGS:0000000000000000
[   31.847796][  T436] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.848379][  T436] CR2: 00000000004e6890 CR3: 000000000c310001 CR4: 0000000000772ef0
[   31.849183][  T436] PKRU: 55555554
[   31.849590][  T436] Call Trace:
[   31.849987][  T436]  <TASK>
[ 31.850296][ T436] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 31.850842][ T436] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.851399][ T436] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 31.851931][ T436] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 31.852615][ T436] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 31.853122][ T436] netif_set_mtu (net/core/dev.c:9652) 
[ 31.853684][ T436] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 31.854232][ T436] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 31.855085][ T436] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 31.855499][ T436] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 31.856256][ T436] br_add_if (net/bridge/br_if.c:697) bridge 
[ 31.856826][ T436] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 31.857343][ T436] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 31.857883][ T436] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 31.858582][ T436] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 31.859143][ T436] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 31.859665][ T436] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.860214][ T436] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.860750][ T436] ? __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) 
[ 31.861302][ T436] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 31.861973][ T436] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.862553][ T436] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.863120][ T436] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 31.863644][ T436] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 31.864191][ T436] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.864689][ T436] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 31.865247][ T436] ? __create_object (mm/kmemleak.c:771) 
[ 31.865781][ T436] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 31.866343][ T436] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 31.866886][ T436] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 31.867565][ T436] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 31.868136][ T436] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 31.868683][ T436] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.869221][ T436] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.869759][ T436] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.870316][ T436] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 31.870841][ T436] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.871404][ T436] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.871946][ T436] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 31.872503][ T436] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.873060][ T436] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.873602][ T436] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 31.874166][ T436] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.874715][ T436] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 31.875315][ T436] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 31.875844][ T436] ? 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) 
[ 31.876385][ T436] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 31.876920][ T436] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 31.877464][ T436] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.877987][ T436] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.878564][ T436] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 31.879044][ T436] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 31.879466][ T436] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.879999][ T436] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 31.880558][ T436] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 31.881270][ T436] ___sys_sendmsg (net/socket.c:2670) 
[ 31.881804][ T436] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 31.882364][ T436] ? __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) 
[ 31.883068][ T436] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 31.883615][ T436] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.884169][ T436] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.884713][ T436] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.885289][ T436] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 31.885829][ T436] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.886416][ T436] __sys_sendmsg (net/socket.c:2700) 
[ 31.886956][ T436] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 31.887754][ T436] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 31.888329][ T436] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.888880][ T436] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.889440][ T436] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.890164][  T436] RIP: 0033:0x7fcb64d631e7
[ 31.890714][ T436] 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)
[   31.892487][  T436] RSP: 002b:00007ffe3533fec8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.893267][  T436] RAX: ffffffffffffffda RBX: 00007ffe353405f0 RCX: 00007fcb64d631e7
[   31.894014][  T436] RDX: 0000000000000000 RSI: 00007ffe3533ff30 RDI: 0000000000000005
[   31.894856][  T436] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.895659][  T436] R10: 0000000015d21910 R11: 0000000000000246 R12: 0000000000000004
[   31.896461][  T436] R13: 00000000686e718f R14: 0000000000499600 R15: 0000000000000000
| [   32.273787][  T439] ------------[ cut here ]------------
| [ 32.274137][ T439] WARNING: CPU: 1 PID: 439 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) 
| [   32.274774][  T439] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   32.276858][  T439] Tainted: [W]=WARN
[   32.277247][  T439] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 32.277645][ T439] 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) 
[ 32.277978][ T439] 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
[   32.279286][  T439] RSP: 0018:ffffc90000a56ef0 EFLAGS: 00010246
[   32.279692][  T439] RAX: 0000000000000000 RBX: ffff888004f52000 RCX: 0000000000000001
[   32.280398][  T439] RDX: 0000000000000000 RSI: ffffffffa349b939 RDI: ffffffffa2c555e0
[   32.280874][  T439] RBP: ffffc90000a56fe0 R08: 0000000000000000 R09: 0000000000000000
[   32.281494][  T439] R10: ffffc90000a57010 R11: ffffffffa42a8918 R12: 1ffff9200014ade2
[   32.281972][  T439] R13: 00000000000005dc R14: ffffc90000a57010 R15: ffff888004f52f08
[   32.282485][  T439] FS:  00007f5c70f87800(0000) GS:ffff888090d37000(0000) knlGS:0000000000000000
[   32.283066][  T439] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.283476][  T439] CR2: 00000000004e6890 CR3: 00000000058cb003 CR4: 0000000000772ef0
[   32.283961][  T439] PKRU: 55555554
[   32.284213][  T439] Call Trace:
[   32.284456][  T439]  <TASK>
[ 32.284622][ T439] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 32.284970][ T439] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.285308][ T439] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 32.285632][ T439] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 32.286050][ T439] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 32.286378][ T439] netif_set_mtu (net/core/dev.c:9652) 
[ 32.286702][ T439] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 32.287055][ T439] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 32.287522][ T439] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 32.287766][ T439] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 32.288212][ T439] br_add_if (net/bridge/br_if.c:697) bridge 
[ 32.288581][ T439] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 32.288908][ T439] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 32.289257][ T439] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 32.289669][ T439] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 32.289993][ T439] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 32.290333][ T439] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.290663][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.290990][ T439] ? __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) 
[ 32.291335][ T439] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 32.291738][ T439] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.292109][ T439] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.292437][ T439] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 32.292757][ T439] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 32.293085][ T439] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.293406][ T439] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 32.293723][ T439] ? __create_object (mm/kmemleak.c:771) 
[ 32.294060][ T439] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 32.294387][ T439] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 32.294712][ T439] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 32.295144][ T439] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 32.295477][ T439] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 32.295803][ T439] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.296136][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.296464][ T439] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.296785][ T439] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 32.297116][ T439] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.297439][ T439] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.297758][ T439] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 32.298173][ T439] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.298486][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.298796][ T439] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 32.299120][ T439] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.299429][ T439] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 32.299752][ T439] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 32.300063][ T439] ? 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) 
[ 32.300370][ T439] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 32.300677][ T439] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 32.300979][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.301295][ T439] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 32.301606][ T439] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 32.301919][ T439] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 32.302241][ T439] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 32.302551][ T439] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 32.302857][ T439] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 32.303265][ T439] ___sys_sendmsg (net/socket.c:2670) 
[ 32.303569][ T439] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 32.303870][ T439] ? __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) 
[ 32.304262][ T439] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 32.304572][ T439] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.304889][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.305209][ T439] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.305532][ T439] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 32.305834][ T439] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.306163][ T439] __sys_sendmsg (net/socket.c:2700) 
[ 32.306475][ T439] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 32.306851][ T439] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 32.307184][ T439] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.307499][ T439] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 32.307806][ T439] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.308190][  T439] RIP: 0033:0x7f5c711541e7
[ 32.308506][ T439] 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)
[   32.309602][  T439] RSP: 002b:00007ffe89a7c3f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.310073][  T439] RAX: ffffffffffffffda RBX: 00007ffe89a7cb20 RCX: 00007f5c711541e7
[   32.310532][  T439] RDX: 0000000000000000 RSI: 00007ffe89a7c460 RDI: 0000000000000005
[   32.310993][  T439] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   32.311464][  T439] R10: 000000002b7c6910 R11: 0000000000000246 R12: 0000000000000004
[   32.311931][  T439] R13: 00000000686e7190 R14: 0000000000499600 R15: 0000000000000000
| [   73.246857][  T812] ------------[ cut here ]------------
| [ 73.247186][ T812] WARNING: CPU: 0 PID: 812 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) 
| [   73.247799][  T812] Modules linked in: act_gact cls_flower sch_ingress macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   73.249210][  T812] Tainted: [W]=WARN
[   73.249440][  T812] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 73.249821][ T812] 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) 
[ 73.250143][ T812] 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
[   73.251235][  T812] RSP: 0018:ffffc90000ce6f70 EFLAGS: 00010246
[   73.251617][  T812] RAX: 0000000000000000 RBX: ffff888004daa000 RCX: 0000000000000001
[   73.252079][  T812] RDX: 0000000000000000 RSI: ffffffffa349b939 RDI: ffffffffa2c555e0
[   73.252539][  T812] RBP: ffffc90000ce7058 R08: 0000000000000000 R09: 0000000000000000
[   73.253002][  T812] R10: ffffc90000ce7088 R11: ffffffff9f800130 R12: 1ffff9200019cdf2
[   73.254041][  T812] R13: 00000000000005dc R14: ffffc90000ce7088 R15: ffff888004daaf08
[   73.254497][  T812] FS:  00007fa0485dd800(0000) GS:ffff888090cb7000(0000) knlGS:0000000000000000
[   73.255052][  T812] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.255434][  T812] CR2: 00000000004e5ab0 CR3: 000000000f21b003 CR4: 0000000000772ef0
[   73.255894][  T812] PKRU: 55555554
[   73.256128][  T812] Call Trace:
[   73.256355][  T812]  <TASK>
[ 73.256509][ T812] ? __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) 
[ 73.256893][ T812] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 73.257250][ T812] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 73.257555][ T812] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 73.257868][ T812] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 73.258189][ T812] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 73.258494][ T812] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 73.258797][ T812] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 73.259107][ T812] ? ___sys_sendmsg (net/socket.c:2670) 
[ 73.259407][ T812] ? __sys_sendmsg (net/socket.c:2700) 
[ 73.259715][ T812] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 73.260015][ T812] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 73.260409][ T812] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.260722][ T812] netif_set_mtu (net/core/dev.c:9652) 
[ 73.261051][ T812] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 73.261371][ T812] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 73.261602][ T812] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 73.262037][ T812] br_del_if (net/bridge/br_if.c:743) bridge 
[ 73.262373][ T812] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 73.262676][ T812] do_set_master (net/core/rtnetlink.c:2932) 
[ 73.262987][ T812] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 73.263303][ T812] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 73.263687][ T812] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 73.263992][ T812] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 73.264317][ T812] ? __kernel_text_address (kernel/extable.c:79) 
[ 73.264625][ T812] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.264941][ T812] ? __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) 
[ 73.265253][ T812] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 73.265630][ T812] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 73.265935][ T812] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 73.266247][ T812] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 73.266555][ T812] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 73.266857][ T812] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.267169][ T812] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 73.267469][ T812] ? __create_object (mm/kmemleak.c:771) 
[ 73.267774][ T812] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 73.268095][ T812] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 73.268406][ T812] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 73.268782][ T812] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 73.269107][ T812] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 73.269417][ T812] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 73.269725][ T812] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.270044][ T812] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.270351][ T812] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 73.270651][ T812] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 73.270961][ T812] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 73.271274][ T812] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 73.271588][ T812] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 73.271895][ T812] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.272224][ T812] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 73.272530][ T812] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 73.272838][ T812] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 73.273165][ T812] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 73.273469][ T812] ? 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) 
[ 73.273779][ T812] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 73.274093][ T812] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 73.274395][ T812] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.274705][ T812] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 73.275021][ T812] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 73.275336][ T812] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 73.275646][ T812] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 73.275960][ T812] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 73.276281][ T812] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 73.276672][ T812] ___sys_sendmsg (net/socket.c:2670) 
[ 73.276972][ T812] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 73.277283][ T812] ? __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) 
[ 73.277666][ T812] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 73.277972][ T812] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.278294][ T812] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.278604][ T812] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.278911][ T812] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 73.279223][ T812] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 73.279532][ T812] __sys_sendmsg (net/socket.c:2700) 
[ 73.279833][ T812] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 73.280217][ T812] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 73.280532][ T812] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 73.280838][ T812] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 73.281152][ T812] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   73.281566][  T812] RIP: 0033:0x7fa0487aa1e7
[ 73.281887][ T812] 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)
[   73.283225][  T812] RSP: 002b:00007fff32673088 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   73.283683][  T812] RAX: ffffffffffffffda RBX: 00007fff326737b0 RCX: 00007fa0487aa1e7
[   73.284388][  T812] RDX: 0000000000000000 RSI: 00007fff326730f0 RDI: 0000000000000005
[   73.284840][  T812] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   73.285316][  T812] R10: 00007fa0486a7ee8 R11: 0000000000000246 R12: 0000000000000003
[   73.285999][  T812] R13: 00000000686e71b9 R14: 0000000000499600 R15: 0000000000000000
| [   73.652742][  T815] ------------[ cut here ]------------
| [ 73.653074][ T815] WARNING: CPU: 0 PID: 815 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) 
| [   73.653677][  T815] Modules linked in: act_gact cls_flower sch_ingress macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   73.655716][  T815] Tainted: [W]=WARN
[   73.655946][  T815] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 73.656338][ T815] 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) 
[ 73.656660][ T815] 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
[   73.657758][  T815] RSP: 0018:ffffc90000d16f70 EFLAGS: 00010246
[   73.658189][  T815] RAX: 0000000000000000 RBX: ffff888004daa000 RCX: 0000000000000001
[   73.658667][  T815] RDX: 0000000000000000 RSI: ffffffffa349b939 RDI: ffffffffa2c555e0
[   73.659153][  T815] RBP: ffffc90000d17058 R08: 0000000000000000 R09: 0000000000000000
[   73.659632][  T815] R10: ffffc90000d17088 R11: ffffffffa3979160 R12: 1ffff920001a2df2
[   73.660126][  T815] R13: 00000000000005dc R14: ffffc90000d17088 R15: ffff888004daaf08
[   73.660607][  T815] FS:  00007fb532f6a800(0000) GS:ffff888090cb7000(0000) knlGS:0000000000000000
[   73.661193][  T815] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.661602][  T815] CR2: 00000000004e5aa8 CR3: 000000000f21b005 CR4: 0000000000772ef0
[   73.662099][  T815] PKRU: 55555554
[   73.662341][  T815] Call Trace:
[   73.662582][  T815]  <TASK>
[ 73.662745][ T815] ? __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) 
[ 73.663159][ T815] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 73.663526][ T815] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 73.663848][ T815] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 73.664183][ T815] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 73.664506][ T815] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 73.664826][ T815] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 73.665177][ T815] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 73.665501][ T815] ? ___sys_sendmsg (net/socket.c:2670) 
[ 73.665824][ T815] ? __sys_sendmsg (net/socket.c:2700) 
[ 73.666150][ T815] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 73.666469][ T815] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 73.666868][ T815] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.667207][ T815] netif_set_mtu (net/core/dev.c:9652) 
[ 73.667531][ T815] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 73.667870][ T815] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 73.668145][ T815] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 73.668586][ T815] br_del_if (net/bridge/br_if.c:743) bridge 
[ 73.668944][ T815] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 73.669283][ T815] do_set_master (net/core/rtnetlink.c:2932) 
[ 73.669617][ T815] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 73.669944][ T815] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 73.670359][ T815] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 73.670679][ T815] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 73.670998][ T815] ? __kernel_text_address (kernel/extable.c:79) 
[ 73.671328][ T815] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.671652][ T815] ? __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) 
[ 73.671978][ T815] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 73.672384][ T815] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 73.672708][ T815] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 73.673040][ T815] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 73.673360][ T815] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 73.673678][ T815] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.673996][ T815] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 73.674329][ T815] ? __create_object (mm/kmemleak.c:771) 
[ 73.674654][ T815] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 73.674987][ T815] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 73.675316][ T815] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 73.675717][ T815] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 73.676056][ T815] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 73.676384][ T815] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 73.676707][ T815] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.677053][ T815] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.677374][ T815] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 73.677694][ T815] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 73.678016][ T815] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 73.678347][ T815] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 73.678673][ T815] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 73.678998][ T815] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.679347][ T815] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 73.679669][ T815] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 73.679990][ T815] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 73.680330][ T815] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 73.680647][ T815] ? 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) 
[ 73.680969][ T815] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 73.681300][ T815] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 73.681627][ T815] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.681952][ T815] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 73.682285][ T815] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 73.682606][ T815] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 73.682932][ T815] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 73.683271][ T815] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 73.683590][ T815] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 73.684006][ T815] ___sys_sendmsg (net/socket.c:2670) 
[ 73.684337][ T815] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 73.684654][ T815] ? __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) 
[ 73.685070][ T815] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 73.685393][ T815] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.685724][ T815] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.686136][ T815] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.686463][ T815] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 73.686789][ T815] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 73.687155][ T815] __sys_sendmsg (net/socket.c:2700) 
[ 73.687479][ T815] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 73.687878][ T815] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 73.688218][ T815] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 73.688542][ T815] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 73.688866][ T815] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   73.689276][  T815] RIP: 0033:0x7fb5331371e7
[ 73.689608][ T815] 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)
[   73.690750][  T815] RSP: 002b:00007fff42ea2118 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   73.691256][  T815] RAX: ffffffffffffffda RBX: 00007fff42ea2840 RCX: 00007fb5331371e7
[   73.691737][  T815] RDX: 0000000000000000 RSI: 00007fff42ea2180 RDI: 0000000000000005
[   73.692224][  T815] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   73.692704][  T815] R10: 00007fb533034ee8 R11: 0000000000000246 R12: 0000000000000003
[   73.693193][  T815] R13: 00000000686e71b9 R14: 0000000000499600 R15: 0000000000000000
| [   73.930821][  T817] ------------[ cut here ]------------
| [ 73.931537][ T817] WARNING: CPU: 0 PID: 817 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) 
| [   73.932149][  T817] Modules linked in: act_gact cls_flower sch_ingress macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   73.933552][  T817] Tainted: [W]=WARN
[   73.933781][  T817] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 73.934171][ T817] 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) 
[ 73.934488][ T817] 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
[   73.935592][  T817] RSP: 0018:ffffc90000d36f70 EFLAGS: 00010246
[   73.935973][  T817] RAX: 0000000000000000 RBX: ffff888004daa000 RCX: 0000000000000001
[   73.936439][  T817] RDX: 0000000000000000 RSI: ffffffffa349b939 RDI: ffffffffa2c555e0
[   73.936892][  T817] RBP: ffffc90000d37058 R08: 0000000000000000 R09: 0000000000000000
[   73.937351][  T817] R10: ffffc90000d37088 R11: ffffffffa3979160 R12: 1ffff920001a6df2
[   73.937803][  T817] R13: 00000000000005dc R14: ffffc90000d37088 R15: ffff888004daaf08
[   73.938266][  T817] FS:  00007f0ff2fb2800(0000) GS:ffff888090cb7000(0000) knlGS:0000000000000000
[   73.938800][  T817] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.939189][  T817] CR2: 00000000004e5de8 CR3: 000000000f30e004 CR4: 0000000000772ef0
[   73.939643][  T817] PKRU: 55555554
[   73.939870][  T817] Call Trace:
[   73.940103][  T817]  <TASK>
[ 73.940257][ T817] ? __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) 
[ 73.940643][ T817] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 73.940987][ T817] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 73.941299][ T817] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 73.941601][ T817] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 73.941901][ T817] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 73.942208][ T817] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 73.942509][ T817] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 73.942814][ T817] ? ___sys_sendmsg (net/socket.c:2670) 
[ 73.943126][ T817] ? __sys_sendmsg (net/socket.c:2700) 
[ 73.943429][ T817] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 73.943730][ T817] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 73.944113][ T817] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.944426][ T817] netif_set_mtu (net/core/dev.c:9652) 
[ 73.944729][ T817] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 73.945068][ T817] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 73.945302][ T817] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 73.945721][ T817] br_del_if (net/bridge/br_if.c:743) bridge 
[ 73.946078][ T817] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 73.946385][ T817] do_set_master (net/core/rtnetlink.c:2932) 
[ 73.946694][ T817] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 73.946998][ T817] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 73.947392][ T817] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 73.947708][ T817] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 73.948012][ T817] ? __kernel_text_address (kernel/extable.c:79) 
[ 73.948328][ T817] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.948634][ T817] ? __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) 
[ 73.948936][ T817] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 73.949318][ T817] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 73.949623][ T817] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 73.949928][ T817] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 73.950237][ T817] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 73.950540][ T817] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.950842][ T817] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 73.951151][ T817] ? __create_object (mm/kmemleak.c:771) 
[ 73.951455][ T817] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 73.951759][ T817] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 73.952069][ T817] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 73.952449][ T817] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 73.952759][ T817] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 73.953074][ T817] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 73.953374][ T817] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.953682][ T817] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.953984][ T817] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 73.954293][ T817] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 73.954599][ T817] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 73.954933][ T817] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 73.955249][ T817] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 73.955555][ T817] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.955861][ T817] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 73.956171][ T817] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 73.956474][ T817] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 73.956788][ T817] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 73.957101][ T817] ? 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) 
[ 73.957405][ T817] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 73.957710][ T817] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 73.958011][ T817] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.958328][ T817] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 73.958644][ T817] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 73.958947][ T817] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 73.959271][ T817] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 73.959579][ T817] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 73.959882][ T817] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 73.960279][ T817] ___sys_sendmsg (net/socket.c:2670) 
[ 73.960580][ T817] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 73.960881][ T817] ? __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) 
[ 73.961266][ T817] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 73.961580][ T817] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.961887][ T817] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.962204][ T817] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.962508][ T817] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 73.962807][ T817] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 73.963124][ T817] __sys_sendmsg (net/socket.c:2700) 
[ 73.963425][ T817] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 73.963809][ T817] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 73.964133][ T817] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 73.964436][ T817] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 73.964738][ T817] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   73.965131][  T817] RIP: 0033:0x7f0ff317f1e7
[ 73.965446][ T817] 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)
[   73.966530][  T817] RSP: 002b:00007ffe52284998 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   73.966988][  T817] RAX: ffffffffffffffda RBX: 00007ffe522850c0 RCX: 00007f0ff317f1e7
[   73.967446][  T817] RDX: 0000000000000000 RSI: 00007ffe52284a00 RDI: 0000000000000005
[   73.967899][  T817] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   73.968363][  T817] R10: 00007f0ff307cee8 R11: 0000000000000246 R12: 0000000000000003
[   73.968865][  T817] R13: 00000000686e71b9 R14: 0000000000499600 R15: 0000000000000000
| [   74.411745][  T821] ------------[ cut here ]------------
| [ 74.412096][ T821] WARNING: CPU: 1 PID: 821 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) 
| [   74.412730][  T821] Modules linked in: act_gact cls_flower sch_ingress macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   74.414899][  T821] Tainted: [W]=WARN
[   74.415162][  T821] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 74.415560][ T821] 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) 
[ 74.415889][ T821] 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
[   74.417046][  T821] RSP: 0018:ffffc90000d76f70 EFLAGS: 00010246
[   74.417459][  T821] RAX: 0000000000000000 RBX: ffff888004daa000 RCX: 0000000000000001
[   74.417936][  T821] RDX: 0000000000000000 RSI: ffffffffa349b939 RDI: ffffffffa2c555e0
[   74.418425][  T821] RBP: ffffc90000d77058 R08: 0000000000000000 R09: 0000000000000000
[   74.418909][  T821] R10: ffffc90000d77088 R11: ffffffffa3979160 R12: 1ffff920001aedf2
[   74.419395][  T821] R13: 00000000000005dc R14: ffffc90000d77088 R15: ffff888004daaf08
[   74.419875][  T821] FS:  00007f287c519800(0000) GS:ffff888090d37000(0000) knlGS:0000000000000000
[   74.420439][  T821] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   74.420849][  T821] CR2: 00000000004e5ce0 CR3: 0000000005ffa005 CR4: 0000000000772ef0
[   74.421345][  T821] PKRU: 55555554
[   74.421585][  T821] Call Trace:
[   74.421825][  T821]  <TASK>
[ 74.421986][ T821] ? __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) 
[ 74.422392][ T821] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 74.422752][ T821] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 74.423084][ T821] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 74.423403][ T821] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 74.423719][ T821] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 74.424054][ T821] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 74.424372][ T821] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 74.424690][ T821] ? ___sys_sendmsg (net/socket.c:2670) 
[ 74.425011][ T821] ? __sys_sendmsg (net/socket.c:2700) 
[ 74.425348][ T821] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 74.425671][ T821] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 74.426075][ T821] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.426402][ T821] netif_set_mtu (net/core/dev.c:9652) 
[ 74.426721][ T821] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 74.427071][ T821] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 74.427318][ T821] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 74.427756][ T821] br_del_if (net/bridge/br_if.c:743) bridge 
[ 74.428127][ T821] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 74.428450][ T821] do_set_master (net/core/rtnetlink.c:2932) 
[ 74.428772][ T821] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 74.429114][ T821] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 74.429526][ T821] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 74.429843][ T821] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 74.430171][ T821] ? __kernel_text_address (kernel/extable.c:79) 
[ 74.430502][ T821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.430825][ T821] ? __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) 
[ 74.431150][ T821] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 74.431547][ T821] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 74.431869][ T821] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 74.432195][ T821] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 74.432517][ T821] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 74.432840][ T821] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.433183][ T821] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 74.433508][ T821] ? __create_object (mm/kmemleak.c:771) 
[ 74.433826][ T821] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 74.434155][ T821] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 74.434474][ T821] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 74.434876][ T821] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 74.435234][ T821] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 74.435569][ T821] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 74.435889][ T821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.436224][ T821] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.436543][ T821] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 74.436859][ T821] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 74.437199][ T821] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 74.437519][ T821] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 74.437841][ T821] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 74.438181][ T821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.438515][ T821] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 74.438838][ T821] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 74.439169][ T821] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 74.439502][ T821] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 74.439819][ T821] ? 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) 
[ 74.440145][ T821] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 74.440476][ T821] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 74.440791][ T821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.441136][ T821] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 74.441461][ T821] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 74.441782][ T821] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 74.442118][ T821] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 74.442445][ T821] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 74.442772][ T821] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 74.443190][ T821] ___sys_sendmsg (net/socket.c:2670) 
[ 74.443506][ T821] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 74.443824][ T821] ? __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) 
[ 74.444232][ T821] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 74.444557][ T821] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.444887][ T821] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.445240][ T821] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.445563][ T821] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 74.445883][ T821] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 74.446220][ T821] __sys_sendmsg (net/socket.c:2700) 
[ 74.446544][ T821] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 74.446941][ T821] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 74.447284][ T821] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 74.447608][ T821] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 74.447938][ T821] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   74.448351][  T821] RIP: 0033:0x7f287c6e61e7
[ 74.448685][ T821] 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)
[   74.449842][  T821] RSP: 002b:00007ffee2de78c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   74.450342][  T821] RAX: ffffffffffffffda RBX: 00007ffee2de7ff0 RCX: 00007f287c6e61e7
[   74.450822][  T821] RDX: 0000000000000000 RSI: 00007ffee2de7930 RDI: 0000000000000005
[   74.451305][  T821] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   74.451784][  T821] R10: 00007f287c5e3ee8 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