======================================
| [  462.870559][ T2078] br1: port 1(vx1) entered forwarding state
| [  462.872342][ T2078] ------------[ cut here ]------------
| [ 462.872672][ T2078] WARNING: CPU: 3 PID: 2078 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) 
| [  462.873319][ T2078] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
[  462.875573][ T2078] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 462.875981][ T2078] 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) 
[ 462.876326][ T2078] 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
[  462.877490][ T2078] RSP: 0018:ffffc90000506ef0 EFLAGS: 00010246
[  462.877897][ T2078] RAX: 0000000000000000 RBX: ffff88800c9ca000 RCX: 0000000000000001
[  462.878393][ T2078] RDX: 0000000000000000 RSI: ffffffffb7c9b939 RDI: ffffffffb74555e0
[  462.878887][ T2078] RBP: ffffc90000506fe0 R08: 0000000000000000 R09: 0000000000000000
[  462.879389][ T2078] R10: ffffc90000507010 R11: ffffffffb8aa8918 R12: 1ffff920000a0de2
[  462.879884][ T2078] R13: 00000000000005dc R14: ffffc90000507010 R15: ffff88800c9caf08
[  462.880375][ T2078] FS:  00007f23ac58e800(0000) GS:ffff88807c637000(0000) knlGS:0000000000000000
[  462.880954][ T2078] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  462.881623][ T2078] CR2: 00000000004e5760 CR3: 000000000999a004 CR4: 0000000000772ef0
[  462.882113][ T2078] PKRU: 55555554
[  462.882388][ T2078] Call Trace:
[  462.882631][ T2078]  <TASK>
[ 462.882803][ T2078] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 462.883133][ T2078] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 462.883477][ T2078] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 462.883809][ T2078] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 462.884228][ T2078] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 462.884551][ T2078] netif_set_mtu (net/core/dev.c:9652) 
[ 462.884874][ T2078] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 462.885209][ T2078] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 462.885663][ T2078] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 462.885913][ T2078] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 462.886356][ T2078] br_add_if (net/bridge/br_if.c:697) bridge 
[ 462.886733][ T2078] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 462.887084][ T2078] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 462.887433][ T2078] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 462.887843][ T2078] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 462.888200][ T2078] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 462.888529][ T2078] ? __kernel_text_address (kernel/extable.c:79) 
[ 462.888871][ T2078] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 462.889207][ T2078] ? __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) 
[ 462.889568][ T2078] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 462.889981][ T2078] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 462.890347][ T2078] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 462.890666][ T2078] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 462.891013][ T2078] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 462.891357][ T2078] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 462.891732][ T2078] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 462.892061][ T2078] ? __create_object (mm/kmemleak.c:771) 
[ 462.892477][ T2078] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 462.892813][ T2078] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 462.893179][ T2078] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 462.893616][ T2078] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 462.893946][ T2078] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 462.894312][ T2078] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 462.894637][ T2078] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 462.894997][ T2078] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 462.895357][ T2078] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 462.895692][ T2078] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 462.896019][ T2078] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 462.896383][ T2078] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 462.896714][ T2078] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 462.897069][ T2078] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 462.897407][ T2078] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 462.897761][ T2078] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 462.898104][ T2078] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 462.898451][ T2078] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 462.898773][ T2078] ? 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) 
[ 462.899097][ T2078] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 462.899450][ T2078] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 462.899803][ T2078] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 462.900142][ T2078] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 462.900487][ T2078] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 462.900819][ T2078] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 462.901172][ T2078] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 462.901534][ T2078] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 462.901861][ T2078] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 462.902302][ T2078] ___sys_sendmsg (net/socket.c:2670) 
[ 462.902668][ T2078] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 462.903007][ T2078] ? __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) 
[ 462.903431][ T2078] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 462.903772][ T2078] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 462.904102][ T2078] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 462.904444][ T2078] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 462.904772][ T2078] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 462.905131][ T2078] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 462.905476][ T2078] __sys_sendmsg (net/socket.c:2700) 
[ 462.905801][ T2078] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 462.906233][ T2078] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 462.906583][ T2078] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 462.906938][ T2078] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 462.907293][ T2078] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  462.907708][ T2078] RIP: 0033:0x7f23ac75b1e7
[ 462.908043][ T2078] 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)
[  462.909209][ T2078] RSP: 002b:00007fff83f9e208 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  462.909709][ T2078] RAX: ffffffffffffffda RBX: 00007fff83f9e930 RCX: 00007f23ac75b1e7
[  462.910228][ T2078] RDX: 0000000000000000 RSI: 00007fff83f9e270 RDI: 0000000000000005
[  462.910708][ T2078] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  462.911178][ T2078] R10: 000000000f285910 R11: 0000000000000246 R12: 0000000000000004
[  462.911660][ T2078] R13: 00000000686e61bc R14: 0000000000499600 R15: 0000000000000000
| [  463.068211][ T2079] ------------[ cut here ]------------
| [ 463.068579][ T2079] WARNING: CPU: 1 PID: 2079 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) 
| [  463.069234][ T2079] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [  463.070527][ T2079] Tainted: [W]=WARN
[  463.070793][ T2079] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 463.071188][ T2079] 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) 
[ 463.071543][ T2079] 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
[  463.072874][ T2079] RSP: 0018:ffffc90000516ef0 EFLAGS: 00010246
[  463.073289][ T2079] RAX: 0000000000000000 RBX: ffff88800c9ca000 RCX: 0000000000000001
[  463.073794][ T2079] RDX: 0000000000000000 RSI: ffffffffb7c9b939 RDI: ffffffffb74555e0
[  463.074289][ T2079] RBP: ffffc90000516fe0 R08: 0000000000000000 R09: 0000000000000000
[  463.074784][ T2079] R10: ffffc90000517010 R11: ffffffffb8aa8918 R12: 1ffff920000a2de2
[  463.075274][ T2079] R13: 00000000000005dc R14: ffffc90000517010 R15: ffff88800c9caf08
[  463.075773][ T2079] FS:  00007f2a6c62f800(0000) GS:ffff88807c537000(0000) knlGS:0000000000000000
[  463.076393][ T2079] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  463.076817][ T2079] CR2: 00000000004e5aa8 CR3: 000000000c29e003 CR4: 0000000000772ef0
[  463.077347][ T2079] PKRU: 55555554
[  463.077596][ T2079] Call Trace:
[  463.077839][ T2079]  <TASK>
[ 463.078006][ T2079] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 463.078404][ T2079] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 463.078754][ T2079] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 463.079088][ T2079] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 463.079521][ T2079] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 463.079849][ T2079] netif_set_mtu (net/core/dev.c:9652) 
[ 463.080300][ T2079] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 463.080717][ T2079] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 463.081301][ T2079] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 463.081583][ T2079] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 463.082065][ T2079] br_add_if (net/bridge/br_if.c:697) bridge 
[ 463.082547][ T2079] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 463.082882][ T2079] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 463.083232][ T2079] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 463.083656][ T2079] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 463.083981][ T2079] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 463.084357][ T2079] ? __kernel_text_address (kernel/extable.c:79) 
[ 463.084698][ T2079] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 463.085031][ T2079] ? __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) 
[ 463.085390][ T2079] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 463.085801][ T2079] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 463.086130][ T2079] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 463.086550][ T2079] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 463.086889][ T2079] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 463.087229][ T2079] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 463.087592][ T2079] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 463.087949][ T2079] ? __create_object (mm/kmemleak.c:771) 
[ 463.088314][ T2079] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 463.088654][ T2079] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 463.088986][ T2079] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 463.089529][ T2079] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 463.089867][ T2079] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 463.090189][ T2079] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 463.090568][ T2079] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 463.090901][ T2079] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 463.091231][ T2079] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 463.091571][ T2079] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 463.091894][ T2079] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 463.092290][ T2079] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 463.092676][ T2079] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 463.093012][ T2079] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 463.093396][ T2079] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 463.093779][ T2079] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 463.094185][ T2079] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 463.094591][ T2079] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 463.094921][ T2079] ? 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) 
[ 463.095267][ T2079] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 463.095608][ T2079] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 463.095925][ T2079] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 463.096286][ T2079] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 463.096631][ T2079] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 463.096965][ T2079] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 463.097411][ T2079] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 463.097841][ T2079] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 463.098192][ T2079] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 463.098711][ T2079] ___sys_sendmsg (net/socket.c:2670) 
[ 463.099046][ T2079] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 463.099450][ T2079] ? __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) 
[ 463.099925][ T2079] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 463.100303][ T2079] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 463.100781][ T2079] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 463.101166][ T2079] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 463.101660][ T2079] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 463.102095][ T2079] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 463.102655][ T2079] __sys_sendmsg (net/socket.c:2700) 
[ 463.102975][ T2079] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 463.103438][ T2079] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 463.103825][ T2079] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 463.104283][ T2079] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 463.104750][ T2079] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  463.105443][ T2079] RIP: 0033:0x7f2a6c7fc1e7
[ 463.106009][ T2079] 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)
[  463.107596][ T2079] RSP: 002b:00007ffc7c471e28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  463.108255][ T2079] RAX: ffffffffffffffda RBX: 00007ffc7c472550 RCX: 00007f2a6c7fc1e7
[  463.109099][ T2079] RDX: 0000000000000000 RSI: 00007ffc7c471e90 RDI: 0000000000000005
[  463.109904][ T2079] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  463.110563][ T2079] R10: 000000003b959910 R11: 0000000000000246 R12: 0000000000000004
[  463.111113][ T2079] R13: 00000000686e61bc R14: 0000000000499600 R15: 0000000000000000
| [  463.572401][ T2082] ------------[ cut here ]------------
| [ 463.572719][ T2082] WARNING: CPU: 3 PID: 2082 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) 
| [  463.574241][ T2082] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [  463.575505][ T2082] Tainted: [W]=WARN
[  463.575738][ T2082] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 463.576138][ T2082] 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) 
[ 463.576491][ T2082] 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
[  463.577632][ T2082] RSP: 0018:ffffc90000556ef0 EFLAGS: 00010246
[  463.578016][ T2082] RAX: 0000000000000000 RBX: ffff88800c9ca000 RCX: 0000000000000001
[  463.578500][ T2082] RDX: 0000000000000000 RSI: ffffffffb7c9b939 RDI: ffffffffb74555e0
[  463.578986][ T2082] RBP: ffffc90000556fe0 R08: 0000000000000000 R09: 0000000000000000
[  463.579450][ T2082] R10: ffffc90000557010 R11: ffffffffb8aa8918 R12: 1ffff920000aade2
[  463.579907][ T2082] R13: 00000000000005dc R14: ffffc90000557010 R15: ffff88800c9caf08
[  463.580390][ T2082] FS:  00007f533ea8c800(0000) GS:ffff88807c637000(0000) knlGS:0000000000000000
[  463.580929][ T2082] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  463.581323][ T2082] CR2: 00000000004e5ab0 CR3: 000000000a90e003 CR4: 0000000000772ef0
[  463.581780][ T2082] PKRU: 55555554
[  463.582008][ T2082] Call Trace:
[  463.582259][ T2082]  <TASK>
[ 463.582421][ T2082] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 463.582728][ T2082] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 463.583048][ T2082] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 463.583364][ T2082] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 463.583752][ T2082] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 463.584059][ T2082] netif_set_mtu (net/core/dev.c:9652) 
[ 463.584387][ T2082] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 463.584702][ T2082] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 463.585139][ T2082] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 463.585388][ T2082] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 463.585815][ T2082] br_add_if (net/bridge/br_if.c:697) bridge 
[ 463.586165][ T2082] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 463.586488][ T2082] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 463.586798][ T2082] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 463.587183][ T2082] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 463.587500][ T2082] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 463.587839][ T2082] ? __kernel_text_address (kernel/extable.c:79) 
[ 463.588162][ T2082] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 463.588492][ T2082] ? __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) 
[ 463.588800][ T2082] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 463.589179][ T2082] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 463.589508][ T2082] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 463.589814][ T2082] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 463.590121][ T2082] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 463.590436][ T2082] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 463.590756][ T2082] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 463.591071][ T2082] ? __create_object (mm/kmemleak.c:771) 
[ 463.591403][ T2082] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 463.591716][ T2082] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 463.592018][ T2082] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 463.592435][ T2082] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 463.592748][ T2082] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 463.593061][ T2082] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 463.593375][ T2082] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 463.593688][ T2082] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 463.593993][ T2082] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 463.594304][ T2082] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 463.594613][ T2082] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 463.594925][ T2082] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 463.595245][ T2082] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 463.595553][ T2082] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 463.595867][ T2082] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 463.596172][ T2082] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 463.596497][ T2082] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 463.596816][ T2082] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 463.597127][ T2082] ? 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) 
[ 463.597443][ T2082] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 463.597751][ T2082] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 463.598053][ T2082] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 463.598371][ T2082] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 463.598678][ T2082] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 463.598982][ T2082] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 463.599304][ T2082] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 463.599623][ T2082] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 463.599925][ T2082] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 463.600338][ T2082] ___sys_sendmsg (net/socket.c:2670) 
[ 463.600645][ T2082] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 463.600951][ T2082] ? __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) 
[ 463.601344][ T2082] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 463.601659][ T2082] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 463.601968][ T2082] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 463.602312][ T2082] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 463.602618][ T2082] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 463.602923][ T2082] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 463.603250][ T2082] __sys_sendmsg (net/socket.c:2700) 
[ 463.603554][ T2082] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 463.603932][ T2082] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 463.604284][ T2082] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 463.604594][ T2082] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 463.604903][ T2082] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  463.605291][ T2082] RIP: 0033:0x7f533ec591e7
[ 463.605610][ T2082] 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)
[  463.606716][ T2082] RSP: 002b:00007ffe705ce478 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  463.607179][ T2082] RAX: ffffffffffffffda RBX: 00007ffe705ceba0 RCX: 00007f533ec591e7
[  463.607648][ T2082] RDX: 0000000000000000 RSI: 00007ffe705ce4e0 RDI: 0000000000000005
[  463.608105][ T2082] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  463.608577][ T2082] R10: 0000000003c59910 R11: 0000000000000246 R12: 0000000000000004
[  463.609036][ T2082] R13: 00000000686e61bd R14: 0000000000499600 R15: 0000000000000000
| [  468.322011][ T2135] ------------[ cut here ]------------
| [ 468.322384][ T2135] WARNING: CPU: 3 PID: 2135 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) 
| [  468.323009][ T2135] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [  468.325310][ T2135] Tainted: [W]=WARN
[  468.325543][ T2135] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 468.325941][ T2135] 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) 
[ 468.326268][ T2135] 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
[  468.327381][ T2135] RSP: 0018:ffffc90000776ef0 EFLAGS: 00010246
[  468.327765][ T2135] RAX: 0000000000000000 RBX: ffff88800f06a000 RCX: 0000000000000001
[  468.328238][ T2135] RDX: 0000000000000000 RSI: ffffffffb7c9b939 RDI: ffffffffb74555e0
[  468.328705][ T2135] RBP: ffffc90000776fe0 R08: 0000000000000000 R09: 0000000000000000
[  468.329165][ T2135] R10: ffffc90000777010 R11: ffffffffb8179160 R12: 1ffff920000eede2
[  468.329639][ T2135] R13: 00000000000005dc R14: ffffc90000777010 R15: ffff88800f06af08
[  468.330103][ T2135] FS:  00007ff1176f2800(0000) GS:ffff88807c637000(0000) knlGS:0000000000000000
[  468.330700][ T2135] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  468.331090][ T2135] CR2: 00000000004e6898 CR3: 000000000ba9d002 CR4: 0000000000772ef0
[  468.331568][ T2135] PKRU: 55555554
[  468.331800][ T2135] Call Trace:
[  468.332037][ T2135]  <TASK>
[ 468.332199][ T2135] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 468.332539][ T2135] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 468.332873][ T2135] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 468.333193][ T2135] netif_set_mtu (net/core/dev.c:9652) 
[ 468.333516][ T2135] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 468.333852][ T2135] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 468.334090][ T2135] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 468.334536][ T2135] br_add_if (net/bridge/br_if.c:697) bridge 
[ 468.334898][ T2135] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 468.335238][ T2135] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 468.335569][ T2135] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 468.335963][ T2135] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 468.336283][ T2135] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 468.336589][ T2135] ? __kernel_text_address (kernel/extable.c:79) 
[ 468.336902][ T2135] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 468.337231][ T2135] ? __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) 
[ 468.337549][ T2135] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 468.337934][ T2135] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 468.338258][ T2135] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 468.338567][ T2135] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 468.338877][ T2135] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 468.339193][ T2135] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 468.339517][ T2135] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 468.339826][ T2135] ? __create_object (mm/kmemleak.c:771) 
[ 468.340145][ T2135] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 468.340468][ T2135] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 468.340777][ T2135] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 468.341162][ T2135] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 468.341489][ T2135] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 468.341808][ T2135] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 468.342123][ T2135] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 468.342460][ T2135] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 468.342777][ T2135] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 468.343084][ T2135] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 468.343427][ T2135] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 468.343741][ T2135] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 468.344057][ T2135] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 468.344380][ T2135] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 468.344692][ T2135] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 468.345013][ T2135] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 468.345335][ T2135] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 468.345658][ T2135] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 468.345965][ T2135] ? 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) 
[ 468.346288][ T2135] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 468.346606][ T2135] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 468.346918][ T2135] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 468.347257][ T2135] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 468.347576][ T2135] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 468.347887][ T2135] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 468.348203][ T2135] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 468.348532][ T2135] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 468.348844][ T2135] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 468.349252][ T2135] ___sys_sendmsg (net/socket.c:2670) 
[ 468.349565][ T2135] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 468.349874][ T2135] ? __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) 
[ 468.350267][ T2135] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 468.350580][ T2135] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 468.350887][ T2135] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 468.351207][ T2135] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 468.351530][ T2135] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 468.351847][ T2135] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 468.352169][ T2135] __sys_sendmsg (net/socket.c:2700) 
[ 468.352501][ T2135] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 468.352887][ T2135] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 468.353206][ T2135] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 468.353534][ T2135] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 468.353845][ T2135] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  468.354246][ T2135] RIP: 0033:0x7ff1178bf1e7
[ 468.354573][ T2135] 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)
[  468.355682][ T2135] RSP: 002b:00007ffcbda1f458 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  468.356148][ T2135] RAX: ffffffffffffffda RBX: 00007ffcbda1fb80 RCX: 00007ff1178bf1e7
[  468.356632][ T2135] RDX: 0000000000000000 RSI: 00007ffcbda1f4c0 RDI: 0000000000000005
[  468.357095][ T2135] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  468.357563][ T2135] R10: 0000000032620910 R11: 0000000000000246 R12: 0000000000000004
[  468.358019][ T2135] R13: 00000000686e61c1 R14: 0000000000499600 R15: 0000000000000000
| [  469.116904][ T2141] ------------[ cut here ]------------
| [ 469.117466][ T2141] WARNING: CPU: 3 PID: 2141 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) 
| [  469.118141][ T2141] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [  469.119580][ T2141] Tainted: [W]=WARN
[  469.119854][ T2141] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 469.120374][ T2141] 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) 
[ 469.120791][ T2141] 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
[  469.122320][ T2141] RSP: 0018:ffffc9000089eef0 EFLAGS: 00010246
[  469.122770][ T2141] RAX: 0000000000000000 RBX: ffff88800f06a000 RCX: 0000000000000001
[  469.123317][ T2141] RDX: 0000000000000000 RSI: ffffffffb7c9b939 RDI: ffffffffb74555e0
[  469.123847][ T2141] RBP: ffffc9000089efe0 R08: 0000000000000000 R09: 0000000000000000
[  469.124397][ T2141] R10: ffffc9000089f010 R11: ffffffffb8aa8918 R12: 1ffff92000113de2
[  469.124939][ T2141] R13: 00000000000005dc R14: ffffc9000089f010 R15: ffff88800f06af08
[  469.125455][ T2141] FS:  00007fe59b658800(0000) GS:ffff88807c637000(0000) knlGS:0000000000000000
[  469.126044][ T2141] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  469.126579][ T2141] CR2: 00000000004e5768 CR3: 000000000c05c005 CR4: 0000000000772ef0
[  469.127142][ T2141] PKRU: 55555554
[  469.127611][ T2141] Call Trace:
[  469.127924][ T2141]  <TASK>
[ 469.128142][ T2141] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 469.128760][ T2141] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 469.129186][ T2141] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 469.129733][ T2141] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 469.130177][ T2141] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 469.130665][ T2141] netif_set_mtu (net/core/dev.c:9652) 
[ 469.131049][ T2141] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 469.131418][ T2141] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 469.131897][ T2141] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 469.132155][ T2141] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 469.132628][ T2141] br_add_if (net/bridge/br_if.c:697) bridge 
[ 469.132995][ T2141] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 469.133332][ T2141] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 469.133727][ T2141] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 469.134201][ T2141] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 469.134583][ T2141] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 469.134951][ T2141] ? __kernel_text_address (kernel/extable.c:79) 
[ 469.135375][ T2141] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 469.135776][ T2141] ? __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) 
[ 469.136188][ T2141] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 469.136699][ T2141] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 469.137042][ T2141] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 469.137389][ T2141] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 469.137729][ T2141] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 469.138080][ T2141] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 469.138465][ T2141] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 469.138819][ T2141] ? __create_object (mm/kmemleak.c:771) 
[ 469.139168][ T2141] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 469.139507][ T2141] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 469.139817][ T2141] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 469.140201][ T2141] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 469.140579][ T2141] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 469.140949][ T2141] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 469.141300][ T2141] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 469.141648][ T2141] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 469.141999][ T2141] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 469.142429][ T2141] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 469.142838][ T2141] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 469.143245][ T2141] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 469.143629][ T2141] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 469.144031][ T2141] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 469.144379][ T2141] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 469.144725][ T2141] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 469.145060][ T2141] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 469.145413][ T2141] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 469.145764][ T2141] ? 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) 
[ 469.146109][ T2141] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 469.146497][ T2141] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 469.146860][ T2141] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 469.147185][ T2141] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 469.147519][ T2141] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 469.147829][ T2141] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 469.148157][ T2141] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 469.148571][ T2141] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 469.148932][ T2141] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 469.149388][ T2141] ___sys_sendmsg (net/socket.c:2670) 
[ 469.149762][ T2141] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 469.150174][ T2141] ? __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) 
[ 469.150697][ T2141] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 469.151088][ T2141] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 469.151517][ T2141] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 469.151849][ T2141] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 469.152205][ T2141] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 469.152585][ T2141] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 469.152944][ T2141] __sys_sendmsg (net/socket.c:2700) 
[ 469.153306][ T2141] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 469.153752][ T2141] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 469.154085][ T2141] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 469.154436][ T2141] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 469.154747][ T2141] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  469.155153][ T2141] RIP: 0033:0x7fe59b8251e7
[ 469.155560][ T2141] 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)
[  469.156882][ T2141] RSP: 002b:00007ffc67f5a318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  469.157532][ T2141] RAX: ffffffffffffffda RBX: 00007ffc67f5aa40 RCX: 00007fe59b8251e7
[  469.158157][ T2141] RDX: 0000000000000000 RSI: 00007ffc67f5a380 RDI: 0000000000000005
[  469.158700][ T2141] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  469.159208][ T2141] R10: 000000003f892910 R11: 0000000000000246 R12: 0000000000000004
[  469.159771][ T2141] R13: 00000000686e61c2 R14: 0000000000499600 R15: 0000000000000000
| [  473.220505][ T2174] ------------[ cut here ]------------
| [ 473.220871][ T2174] WARNING: CPU: 1 PID: 2174 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) 
| [  473.221542][ T2174] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [  473.222835][ T2174] Tainted: [W]=WARN
[  473.223084][ T2174] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 473.224341][ T2174] 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) 
[ 473.224690][ T2174] 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
[  473.225844][ T2174] RSP: 0018:ffffc90000a76ef0 EFLAGS: 00010246
[  473.226271][ T2174] RAX: 0000000000000000 RBX: ffff88800f852000 RCX: 0000000000000001
[  473.226771][ T2174] RDX: 0000000000000000 RSI: ffffffffb7c9b939 RDI: ffffffffb74555e0
[  473.227261][ T2174] RBP: ffffc90000a76fe0 R08: 0000000000000000 R09: 0000000000000000
[  473.227742][ T2174] R10: ffffc90000a77010 R11: ffffffffb8179160 R12: 1ffff9200014ede2
[  473.228235][ T2174] R13: 00000000000005dc R14: ffffc90000a77010 R15: ffff88800f852f08
[  473.228716][ T2174] FS:  00007fb5e8985800(0000) GS:ffff88807c537000(0000) knlGS:0000000000000000
[  473.229306][ T2174] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  473.229718][ T2174] CR2: 00000000004e6898 CR3: 000000000929a002 CR4: 0000000000772ef0
[  473.230269][ T2174] PKRU: 55555554
[  473.230520][ T2174] Call Trace:
[  473.230766][ T2174]  <TASK>
[ 473.230934][ T2174] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 473.231289][ T2174] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 473.231629][ T2174] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 473.231956][ T2174] netif_set_mtu (net/core/dev.c:9652) 
[ 473.232299][ T2174] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 473.232661][ T2174] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 473.232907][ T2174] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 473.233388][ T2174] br_add_if (net/bridge/br_if.c:697) bridge 
[ 473.233767][ T2174] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 473.234098][ T2174] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 473.234449][ T2174] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 473.234860][ T2174] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 473.235206][ T2174] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 473.235545][ T2174] ? __kernel_text_address (kernel/extable.c:79) 
[ 473.235879][ T2174] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 473.236204][ T2174] ? __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) 
[ 473.236536][ T2174] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 473.236939][ T2174] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 473.237267][ T2174] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 473.237598][ T2174] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 473.237919][ T2174] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 473.238273][ T2174] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 473.238603][ T2174] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 473.238924][ T2174] ? __create_object (mm/kmemleak.c:771) 
[ 473.239258][ T2174] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 473.239582][ T2174] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 473.239909][ T2174] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 473.240324][ T2174] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 473.240652][ T2174] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 473.240978][ T2174] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 473.241306][ T2174] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 473.241631][ T2174] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 473.241952][ T2174] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 473.242291][ T2174] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 473.242626][ T2174] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 473.242942][ T2174] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 473.243272][ T2174] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 473.243595][ T2174] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 473.243919][ T2174] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 473.244293][ T2174] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 473.244621][ T2174] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 473.244956][ T2174] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 473.245303][ T2174] ? 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) 
[ 473.245631][ T2174] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 473.245959][ T2174] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 473.246309][ T2174] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 473.246635][ T2174] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 473.246964][ T2174] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 473.247293][ T2174] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 473.247634][ T2174] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 473.247962][ T2174] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 473.248290][ T2174] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 473.248708][ T2174] ___sys_sendmsg (net/socket.c:2670) 
[ 473.249027][ T2174] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 473.249359][ T2174] ? __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) 
[ 473.249755][ T2174] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 473.250078][ T2174] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 473.250418][ T2174] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 473.250748][ T2174] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 473.251052][ T2174] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 473.251373][ T2174] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 473.251702][ T2174] __sys_sendmsg (net/socket.c:2700) 
[ 473.252021][ T2174] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 473.252448][ T2174] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 473.252785][ T2174] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 473.253114][ T2174] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 473.253499][ T2174] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  473.253900][ T2174] RIP: 0033:0x7fb5e8b521e7
[ 473.254267][ T2174] 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)
[  473.255420][ T2174] RSP: 002b:00007fff0d803988 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  473.255915][ T2174] RAX: ffffffffffffffda RBX: 00007fff0d8040b0 RCX: 00007fb5e8b521e7
[  473.256414][ T2174] RDX: 0000000000000000 RSI: 00007fff0d8039f0 RDI: 0000000000000005
[  473.256909][ T2174] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  473.257396][ T2174] R10: 0000000009651910 R11: 0000000000000246 R12: 0000000000000004
[  473.257884][ T2174] R13: 00000000686e61c6 R14: 0000000000499600 R15: 0000000000000000
| [  474.106141][ T2180] ------------[ cut here ]------------
| [ 474.106947][ T2180] WARNING: CPU: 2 PID: 2180 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) 
| [  474.107578][ T2180] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [  474.108834][ T2180] Tainted: [W]=WARN
[  474.109079][ T2180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 474.109486][ T2180] 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) 
[ 474.109819][ T2180] 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
[  474.110948][ T2180] RSP: 0018:ffffc90000ae6ef0 EFLAGS: 00010246
[  474.111370][ T2180] RAX: 0000000000000000 RBX: ffff88800f852000 RCX: 0000000000000001
[  474.111887][ T2180] RDX: 0000000000000000 RSI: ffffffffb7c9b939 RDI: ffffffffb74555e0
[  474.112390][ T2180] RBP: ffffc90000ae6fe0 R08: 0000000000000000 R09: 0000000000000000
[  474.112858][ T2180] R10: ffffc90000ae7010 R11: ffffffffb8aa8918 R12: 1ffff9200015cde2
[  474.113353][ T2180] R13: 00000000000005dc R14: ffffc90000ae7010 R15: ffff88800f852f08
[  474.113826][ T2180] FS:  00007ff7f19c0800(0000) GS:ffff88807c5b7000(0000) knlGS:0000000000000000
[  474.114401][ T2180] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  474.114803][ T2180] CR2: 00000000004e5768 CR3: 000000000a93c003 CR4: 0000000000772ef0
[  474.115370][ T2180] PKRU: 55555554
[  474.115627][ T2180] Call Trace:
[  474.115921][ T2180]  <TASK>
[ 474.116098][ T2180] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 474.116444][ T2180] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 474.116780][ T2180] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 474.117104][ T2180] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 474.117549][ T2180] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 474.117882][ T2180] netif_set_mtu (net/core/dev.c:9652) 
[ 474.118204][ T2180] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 474.118563][ T2180] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 474.119014][ T2180] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 474.119289][ T2180] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 474.119725][ T2180] br_add_if (net/bridge/br_if.c:697) bridge 
[ 474.120142][ T2180] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 474.120492][ T2180] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 474.120818][ T2180] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 474.121254][ T2180] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 474.121576][ T2180] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 474.121897][ T2180] ? __kernel_text_address (kernel/extable.c:79) 
[ 474.122231][ T2180] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 474.122582][ T2180] ? __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) 
[ 474.122901][ T2180] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 474.123328][ T2180] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 474.123655][ T2180] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 474.124012][ T2180] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 474.124346][ T2180] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 474.124669][ T2180] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 474.124994][ T2180] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 474.125332][ T2180] ? __create_object (mm/kmemleak.c:771) 
[ 474.125656][ T2180] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 474.125982][ T2180] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 474.126313][ T2180] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 474.126706][ T2180] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 474.127029][ T2180] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 474.127383][ T2180] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 474.127714][ T2180] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 474.128075][ T2180] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 474.128408][ T2180] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 474.128729][ T2180] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 474.129050][ T2180] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 474.129383][ T2180] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 474.129702][ T2180] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 474.130038][ T2180] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 474.130382][ T2180] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 474.130703][ T2180] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 474.131023][ T2180] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 474.131379][ T2180] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 474.131695][ T2180] ? 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) 
[ 474.132053][ T2180] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 474.132411][ T2180] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 474.132741][ T2180] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 474.133084][ T2180] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 474.133423][ T2180] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 474.133743][ T2180] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 474.134072][ T2180] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 474.134407][ T2180] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 474.134723][ T2180] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 474.135140][ T2180] ___sys_sendmsg (net/socket.c:2670) 
[ 474.135485][ T2180] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 474.135834][ T2180] ? __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) 
[ 474.136248][ T2180] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 474.136570][ T2180] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 474.136891][ T2180] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 474.137227][ T2180] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 474.137558][ T2180] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 474.137891][ T2180] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 474.138229][ T2180] __sys_sendmsg (net/socket.c:2700) 
[ 474.138548][ T2180] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 474.138942][ T2180] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 474.139298][ T2180] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 474.139621][ T2180] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 474.139977][ T2180] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  474.140406][ T2180] RIP: 0033:0x7ff7f1b8d1e7
[ 474.140739][ T2180] 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)
[  474.141859][ T2180] RSP: 002b:00007ffc21057d18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  474.142367][ T2180] RAX: ffffffffffffffda RBX: 00007ffc21058440 RCX: 00007ff7f1b8d1e7
[  474.142839][ T2180] RDX: 0000000000000000 RSI: 00007ffc21057d80 RDI: 0000000000000005
[  474.143333][ T2180] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  474.143838][ T2180] R10: 0000000029798910 R11: 0000000000000246 R12: 0000000000000004
[  474.144343][ T2180] R13: 00000000686e61c7 R14: 0000000000499600 R15: 0000000000000000
| [  694.590455][ T3978] ------------[ cut here ]------------
| [ 694.590944][ T3978] WARNING: CPU: 1 PID: 3978 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) 
| [  694.591777][ T3978] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [  694.593496][ T3978] Tainted: [W]=WARN
[  694.593850][ T3978] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 694.594389][ T3978] 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) 
[ 694.594774][ T3978] 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
[  694.596204][ T3978] RSP: 0018:ffffc900043a6f70 EFLAGS: 00010246
[  694.596763][ T3978] RAX: 0000000000000000 RBX: ffff88800c9ca000 RCX: 0000000000000001
[  694.597293][ T3978] RDX: 0000000000000000 RSI: ffffffffb7c9b939 RDI: ffffffffb74555e0
[  694.597866][ T3978] RBP: ffffc900043a7058 R08: 0000000000000000 R09: 0000000000000000
[  694.598443][ T3978] R10: ffffc900043a7088 R11: ffffffffb4000130 R12: 1ffff92000874df2
[  694.598974][ T3978] R13: 00000000000005dc R14: ffffc900043a7088 R15: ffff88800c9caf08
[  694.599508][ T3978] FS:  00007f1cf8c1b800(0000) GS:ffff88807c537000(0000) knlGS:0000000000000000
[  694.600170][ T3978] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  694.600620][ T3978] CR2: 00000000004e5760 CR3: 000000000ea2a006 CR4: 0000000000772ef0
[  694.601158][ T3978] PKRU: 55555554
[  694.601439][ T3978] Call Trace:
[  694.601704][ T3978]  <TASK>
[ 694.601899][ T3978] ? __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) 
[ 694.602484][ T3978] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 694.602953][ T3978] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 694.603443][ T3978] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 694.603884][ T3978] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 694.604335][ T3978] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 694.604689][ T3978] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 694.605090][ T3978] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 694.605508][ T3978] ? ___sys_sendmsg (net/socket.c:2670) 
[ 694.605953][ T3978] ? __sys_sendmsg (net/socket.c:2700) 
[ 694.606516][ T3978] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 694.606917][ T3978] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 694.607366][ T3978] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 694.607730][ T3978] netif_set_mtu (net/core/dev.c:9652) 
[ 694.608096][ T3978] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 694.608465][ T3978] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 694.608746][ T3978] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 694.609257][ T3978] br_del_if (net/bridge/br_if.c:743) bridge 
[ 694.609635][ T3978] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 694.609992][ T3978] do_set_master (net/core/rtnetlink.c:2932) 
[ 694.610357][ T3978] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 694.610707][ T3978] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 694.611408][ T3978] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 694.611763][ T3978] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 694.612104][ T3978] ? __kernel_text_address (kernel/extable.c:79) 
[ 694.612457][ T3978] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 694.612826][ T3978] ? __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) 
[ 694.613165][ T3978] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 694.613582][ T3978] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 694.613945][ T3978] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 694.614340][ T3978] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 694.614810][ T3978] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 694.615154][ T3978] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 694.615497][ T3978] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 694.615917][ T3978] ? __create_object (mm/kmemleak.c:771) 
[ 694.616399][ T3978] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 694.616848][ T3978] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 694.617277][ T3978] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 694.617847][ T3978] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 694.618250][ T3978] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 694.618630][ T3978] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 694.619035][ T3978] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 694.619416][ T3978] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 694.619795][ T3978] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 694.620161][ T3978] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 694.620519][ T3978] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 694.620906][ T3978] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 694.621295][ T3978] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 694.621979][ T3978] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 694.622437][ T3978] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 694.622847][ T3978] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 694.623236][ T3978] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 694.623696][ T3978] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 694.624128][ T3978] ? 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) 
[ 694.624511][ T3978] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 694.624905][ T3978] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 694.625360][ T3978] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 694.625759][ T3978] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 694.626139][ T3978] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 694.626611][ T3978] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 694.627064][ T3978] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 694.627507][ T3978] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 694.627974][ T3978] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 694.628463][ T3978] ___sys_sendmsg (net/socket.c:2670) 
[ 694.628825][ T3978] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 694.629183][ T3978] ? __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) 
[ 694.629613][ T3978] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 694.629991][ T3978] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 694.630464][ T3978] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 694.630871][ T3978] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 694.631258][ T3978] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 694.631638][ T3978] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 694.632093][ T3978] __sys_sendmsg (net/socket.c:2700) 
[ 694.632606][ T3978] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 694.633182][ T3978] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 694.633657][ T3978] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 694.634205][ T3978] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 694.634872][ T3978] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  694.635671][ T3978] RIP: 0033:0x7f1cf8de81e7
[ 694.636245][ T3978] 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)
[  694.637884][ T3978] RSP: 002b:00007ffe744897a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  694.638623][ T3978] RAX: ffffffffffffffda RBX: 00007ffe74489ed0 RCX: 00007f1cf8de81e7
[  694.639364][ T3978] RDX: 0000000000000000 RSI: 00007ffe74489810 RDI: 0000000000000005
[  694.640264][ T3978] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  694.641030][ T3978] R10: 00007f1cf8ce5ee8 R11: 0000000000000246 R12: 0000000000000003
[  694.641703][ T3978] R13: 00000000686e62a4 R14: 0000000000499600 R15: 0000000000000000
| [  700.311603][ T3983] ------------[ cut here ]------------
| [ 700.311929][ T3983] WARNING: CPU: 3 PID: 3983 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) 
| [  700.312643][ T3983] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [  700.314006][ T3983] Tainted: [W]=WARN
[  700.314246][ T3983] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 700.314632][ T3983] 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) 
[ 700.314952][ T3983] 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
[  700.316054][ T3983] RSP: 0018:ffffc900043e6ef0 EFLAGS: 00010246
[  700.316450][ T3983] RAX: 0000000000000000 RBX: ffff88800c9ca000 RCX: 0000000000000001
[  700.316908][ T3983] RDX: 0000000000000000 RSI: ffffffffb7c9b939 RDI: ffffffffb74555e0
[  700.317382][ T3983] RBP: ffffc900043e6fe0 R08: 0000000000000000 R09: 0000000000000000
[  700.317843][ T3983] R10: ffffc900043e7010 R11: ffffffffb8aa8918 R12: 1ffff9200087cde2
[  700.318312][ T3983] R13: 00000000000005dc R14: ffffc900043e7010 R15: ffff88800c9caf08
[  700.318768][ T3983] FS:  00007feb7ad66800(0000) GS:ffff88807c637000(0000) knlGS:0000000000000000
[  700.319313][ T3983] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  700.319707][ T3983] CR2: 00000000004e5760 CR3: 000000000b4ff001 CR4: 0000000000772ef0
[  700.320165][ T3983] PKRU: 55555554
[  700.320406][ T3983] Call Trace:
[  700.320637][ T3983]  <TASK>
[ 700.320799][ T3983] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 700.321108][ T3983] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 700.321433][ T3983] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 700.321750][ T3983] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 700.322139][ T3983] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 700.322458][ T3983] netif_set_mtu (net/core/dev.c:9652) 
[ 700.322783][ T3983] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 700.323103][ T3983] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 700.323546][ T3983] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 700.323778][ T3983] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 700.324206][ T3983] br_add_if (net/bridge/br_if.c:697) bridge 
[ 700.324575][ T3983] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 700.324892][ T3983] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 700.325199][ T3983] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 700.325597][ T3983] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 700.325903][ T3983] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 700.326211][ T3983] ? __kernel_text_address (kernel/extable.c:79) 
[ 700.326532][ T3983] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 700.326844][ T3983] ? __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) 
[ 700.327153][ T3983] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 700.327539][ T3983] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 700.327852][ T3983] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 700.328153][ T3983] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 700.328476][ T3983] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 700.328784][ T3983] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 700.329089][ T3983] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 700.329399][ T3983] ? __create_object (mm/kmemleak.c:771) 
[ 700.329708][ T3983] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 700.330015][ T3983] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 700.330331][ T3983] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 700.330711][ T3983] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 700.331042][ T3983] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 700.331365][ T3983] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 700.331676][ T3983] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 700.331987][ T3983] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 700.332301][ T3983] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 700.332624][ T3983] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 700.332935][ T3983] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 700.333250][ T3983] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 700.333570][ T3983] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 700.333877][ T3983] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 700.334189][ T3983] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 700.334508][ T3983] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 700.334820][ T3983] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 700.335137][ T3983] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 700.335450][ T3983] ? 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) 
[ 700.335769][ T3983] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 700.336078][ T3983] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 700.336395][ T3983] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 700.336711][ T3983] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 700.337022][ T3983] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 700.337336][ T3983] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 700.337648][ T3983] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 700.337968][ T3983] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 700.338282][ T3983] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 700.338674][ T3983] ___sys_sendmsg (net/socket.c:2670) 
[ 700.338982][ T3983] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 700.339319][ T3983] ? __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) 
[ 700.339708][ T3983] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 700.340016][ T3983] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 700.340350][ T3983] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 700.340661][ T3983] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 700.340964][ T3983] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 700.341281][ T3983] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 700.341592][ T3983] __sys_sendmsg (net/socket.c:2700) 
[ 700.341894][ T3983] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 700.342284][ T3983] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 700.342623][ T3983] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 700.342934][ T3983] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 700.343251][ T3983] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  700.343631][ T3983] RIP: 0033:0x7feb7af331e7
[ 700.343946][ T3983] 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)
[  700.345052][ T3983] RSP: 002b:00007ffc7b3082f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  700.345525][ T3983] RAX: ffffffffffffffda RBX: 00007ffc7b308a20 RCX: 00007feb7af331e7
[  700.345982][ T3983] RDX: 0000000000000000 RSI: 00007ffc7b308360 RDI: 0000000000000005
[  700.346447][ T3983] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  700.346915][ T3983] R10: 0000000005707910 R11: 0000000000000246 R12: 0000000000000004
[  700.347383][ T3983] R13: 00000000686e62a9 R14: 0000000000499600 R15: 0000000000000000
| [  813.755612][ T4799] ------------[ cut here ]------------
| [ 813.756043][ T4799] WARNING: CPU: 1 PID: 4799 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) 
| [  813.757507][ T4799] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [  813.759955][ T4799] Tainted: [W]=WARN
[  813.760365][ T4799] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 813.760996][ T4799] 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) 
[ 813.761467][ T4799] 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
[  813.763325][ T4799] RSP: 0018:ffffc90005e96f70 EFLAGS: 00010246
[  813.763837][ T4799] RAX: 0000000000000000 RBX: ffff88800c9ca000 RCX: 0000000000000001
[  813.764666][ T4799] RDX: 0000000000000000 RSI: ffffffffb7c9b939 RDI: ffffffffb74555e0
[  813.765455][ T4799] RBP: ffffc90005e97058 R08: 0000000000000000 R09: 0000000000000000
[  813.766279][ T4799] R10: ffffc90005e97088 R11: ffffffffb8179160 R12: 1ffff92000bd2df2
[  813.767152][ T4799] R13: 00000000000005dc R14: ffffc90005e97088 R15: ffff88800c9caf08
[  813.768023][ T4799] FS:  00007fdaa2494800(0000) GS:ffff88807c537000(0000) knlGS:0000000000000000
[  813.769008][ T4799] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  813.769741][ T4799] CR2: 00000000004e5ab0 CR3: 000000000c178002 CR4: 0000000000772ef0
[  813.770605][ T4799] PKRU: 55555554
[  813.771030][ T4799] Call Trace:
[  813.771300][ T4799]  <TASK>
[ 813.771470][ T4799] ? __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) 
[ 813.772016][ T4799] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 813.772681][ T4799] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 813.773015][ T4799] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 813.773346][ T4799] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 813.773674][ T4799] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 813.773999][ T4799] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 813.774336][ T4799] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 813.774661][ T4799] ? ___sys_sendmsg (net/socket.c:2670) 
[ 813.774979][ T4799] ? __sys_sendmsg (net/socket.c:2700) 
[ 813.775305][ T4799] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 813.775627][ T4799] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 813.776023][ T4799] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 813.776381][ T4799] netif_set_mtu (net/core/dev.c:9652) 
[ 813.776707][ T4799] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 813.777051][ T4799] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 813.777305][ T4799] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 813.777754][ T4799] br_del_if (net/bridge/br_if.c:743) bridge 
[ 813.778111][ T4799] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 813.778445][ T4799] do_set_master (net/core/rtnetlink.c:2932) 
[ 813.778775][ T4799] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 813.779101][ T4799] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 813.779525][ T4799] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 813.779849][ T4799] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 813.780171][ T4799] ? __kernel_text_address (kernel/extable.c:79) 
[ 813.780508][ T4799] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 813.780833][ T4799] ? __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) 
[ 813.781155][ T4799] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 813.781565][ T4799] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 813.781899][ T4799] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 813.782233][ T4799] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 813.782556][ T4799] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 813.782895][ T4799] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 813.783231][ T4799] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 813.783553][ T4799] ? __create_object (mm/kmemleak.c:771) 
[ 813.783880][ T4799] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 813.784205][ T4799] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 813.784557][ T4799] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 813.784958][ T4799] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 813.785299][ T4799] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 813.785624][ T4799] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 813.785945][ T4799] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 813.786287][ T4799] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 813.786610][ T4799] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 813.786930][ T4799] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 813.787271][ T4799] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 813.787592][ T4799] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 813.787913][ T4799] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 813.788269][ T4799] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 813.788596][ T4799] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 813.788917][ T4799] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 813.789256][ T4799] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 813.789598][ T4799] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 813.789919][ T4799] ? 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) 
[ 813.790252][ T4799] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 813.790578][ T4799] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 813.790899][ T4799] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 813.791237][ T4799] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 813.791564][ T4799] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 813.791895][ T4799] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 813.792242][ T4799] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 813.792571][ T4799] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 813.792903][ T4799] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 813.793324][ T4799] ___sys_sendmsg (net/socket.c:2670) 
[ 813.793647][ T4799] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 813.793967][ T4799] ? __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) 
[ 813.794385][ T4799] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 813.794715][ T4799] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 813.795040][ T4799] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 813.795375][ T4799] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 813.795697][ T4799] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 813.796019][ T4799] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 813.796357][ T4799] __sys_sendmsg (net/socket.c:2700) 
[ 813.796681][ T4799] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 813.797089][ T4799] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 813.797433][ T4799] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 813.797758][ T4799] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 813.798082][ T4799] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  813.798485][ T4799] RIP: 0033:0x7fdaa26611e7
[ 813.798819][ T4799] 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)
[  813.799976][ T4799] RSP: 002b:00007ffe9da7e928 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  813.800472][ T4799] RAX: ffffffffffffffda RBX: 00007ffe9da7f050 RCX: 00007fdaa26611e7
[  813.800956][ T4799] RDX: 0000000000000000 RSI: 00007ffe9da7e990 RDI: 0000000000000005
[  813.801459][ T4799] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  813.801940][ T4799] R10: 00007fdaa255eee8 R11: 0000000000000246 R12: 0000000000000003
[  813.802428][ T4799] R13: 00000000686e631b R14: 0000000000499600 R15: 0000000000000000
| [  814.218856][ T4802] ------------[ cut here ]------------
| [ 814.219198][ T4802] WARNING: CPU: 0 PID: 4802 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) 
| [  814.219860][ T4802] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [  814.221277][ T4802] Tainted: [W]=WARN
[  814.221521][ T4802] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 814.221918][ T4802] 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) 
[ 814.222255][ T4802] 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
[  814.223665][ T4802] RSP: 0018:ffffc90005ec6f70 EFLAGS: 00010246
[  814.224075][ T4802] RAX: 0000000000000000 RBX: ffff88800c9ca000 RCX: 0000000000000001
[  814.224700][ T4802] RDX: 0000000000000000 RSI: ffffffffb7c9b939 RDI: ffffffffb74555e0
[  814.225184][ T4802] RBP: ffffc90005ec7058 R08: 0000000000000000 R09: 0000000000000000
[  814.225788][ T4802] R10: ffffc90005ec7088 R11: ffffffffb8179160 R12: 1ffff92000bd8df2
[  814.226276][ T4802] R13: 00000000000005dc R14: ffffc90005ec7088 R15: ffff88800c9caf08
[  814.226754][ T4802] FS:  00007feb13c6f800(0000) GS:ffff88807c4b7000(0000) knlGS:0000000000000000
[  814.227344][ T4802] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  814.227752][ T4802] CR2: 00000000004e5aa8 CR3: 0000000002743004 CR4: 0000000000772ef0
[  814.228246][ T4802] PKRU: 55555554
[  814.228492][ T4802] Call Trace:
[  814.228733][ T4802]  <TASK>
[ 814.228895][ T4802] ? __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) 
[ 814.229306][ T4802] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 814.229688][ T4802] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 814.230008][ T4802] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 814.230346][ T4802] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 814.230667][ T4802] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 814.230985][ T4802] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 814.231312][ T4802] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 814.231636][ T4802] ? ___sys_sendmsg (net/socket.c:2670) 
[ 814.231955][ T4802] ? __sys_sendmsg (net/socket.c:2700) 
[ 814.232284][ T4802] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 814.232611][ T4802] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 814.233030][ T4802] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 814.233370][ T4802] netif_set_mtu (net/core/dev.c:9652) 
[ 814.233693][ T4802] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 814.234031][ T4802] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 814.234285][ T4802] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 814.234727][ T4802] br_del_if (net/bridge/br_if.c:743) bridge 
[ 814.235101][ T4802] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 814.235441][ T4802] do_set_master (net/core/rtnetlink.c:2932) 
[ 814.235769][ T4802] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 814.236094][ T4802] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 814.236513][ T4802] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 814.236834][ T4802] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 814.237158][ T4802] ? __kernel_text_address (kernel/extable.c:79) 
[ 814.237494][ T4802] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 814.237825][ T4802] ? __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) 
[ 814.238147][ T4802] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 814.238554][ T4802] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 814.238897][ T4802] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 814.239229][ T4802] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 814.239549][ T4802] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 814.239875][ T4802] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 814.240191][ T4802] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 814.240517][ T4802] ? __create_object (mm/kmemleak.c:771) 
[ 814.240840][ T4802] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 814.241159][ T4802] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 814.241483][ T4802] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 814.241878][ T4802] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 814.242206][ T4802] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 814.242537][ T4802] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 814.242892][ T4802] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 814.243234][ T4802] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 814.243556][ T4802] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 814.243872][ T4802] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 814.244193][ T4802] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 814.244522][ T4802] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 814.244827][ T4802] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 814.245145][ T4802] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 814.245481][ T4802] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 814.245799][ T4802] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 814.246120][ T4802] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 814.246461][ T4802] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 814.246780][ T4802] ? 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) 
[ 814.247101][ T4802] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 814.247437][ T4802] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 814.247763][ T4802] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 814.248087][ T4802] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 814.248425][ T4802] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 814.248754][ T4802] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 814.249085][ T4802] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 814.249418][ T4802] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 814.249741][ T4802] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 814.250172][ T4802] ___sys_sendmsg (net/socket.c:2670) 
[ 814.250507][ T4802] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 814.250842][ T4802] ? __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) 
[ 814.251252][ T4802] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 814.251576][ T4802] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 814.251901][ T4802] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 814.252256][ T4802] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 814.252586][ T4802] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 814.252925][ T4802] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 814.253264][ T4802] __sys_sendmsg (net/socket.c:2700) 
[ 814.253585][ T4802] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 814.253984][ T4802] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 814.254330][ T4802] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 814.254662][ T4802] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 814.254991][ T4802] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  814.255401][ T4802] RIP: 0033:0x7feb13e3c1e7
[ 814.255734][ T4802] 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)
[  814.256885][ T4802] RSP: 002b:00007fff882bf2d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  814.257390][ T4802] RAX: ffffffffffffffda RBX: 00007fff882bfa00 RCX: 00007feb13e3c1e7
[  814.257883][ T4802] RDX: 0000000000000000 RSI: 00007fff882bf340 RDI: 0000000000000005
[  814.258372][ T4802] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  814.258876][ T4802] R10: 00007feb13d39ee8 R11: 0000000000000246 R12: 0000000000000003
[  814.259367][ T4802] R13: 00000000686e631b R14: 0000000000499600 R15: 0000000000000000
| [  814.383663][ T4803] ------------[ cut here ]------------
| [ 814.384029][ T4803] WARNING: CPU: 1 PID: 4803 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) 
| [  814.384685][ T4803] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [  814.386153][ T4803] Tainted: [W]=WARN
[  814.386408][ T4803] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 814.386817][ T4803] 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) 
[ 814.387147][ T4803] 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
[  814.388334][ T4803] RSP: 0018:ffffc90005ed6f70 EFLAGS: 00010246
[  814.388753][ T4803] RAX: 0000000000000000 RBX: ffff88800c9ca000 RCX: 0000000000000001
[  814.389246][ T4803] RDX: 0000000000000000 RSI: ffffffffb7c9b939 RDI: ffffffffb74555e0
[  814.389740][ T4803] RBP: ffffc90005ed7058 R08: 0000000000000000 R09: 0000000000000000
[  814.390234][ T4803] R10: ffffc90005ed7088 R11: ffffffffb8179160 R12: 1ffff92000bdadf2
[  814.390735][ T4803] R13: 00000000000005dc R14: ffffc90005ed7088 R15: ffff88800c9caf08
[  814.391373][ T4803] FS:  00007f9f9163b800(0000) GS:ffff88807c537000(0000) knlGS:0000000000000000
[  814.391938][ T4803] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  814.392486][ T4803] CR2: 00000000004e5760 CR3: 000000000ba57004 CR4: 0000000000772ef0
[  814.392988][ T4803] PKRU: 55555554
[  814.393543][ T4803] Call Trace:
[  814.393792][ T4803]  <TASK>
[ 814.393954][ T4803] ? __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) 
[ 814.394508][ T4803] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 814.394894][ T4803] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 814.395353][ T4803] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 814.395702][ T4803] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 814.396026][ T4803] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 814.396371][ T4803] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 814.396705][ T4803] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 814.397050][ T4803] ? ___sys_sendmsg (net/socket.c:2670) 
[ 814.397381][ T4803] ? __sys_sendmsg (net/socket.c:2700) 
[ 814.397700][ T4803] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 814.398035][ T4803] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 814.398501][ T4803] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 814.398877][ T4803] netif_set_mtu (net/core/dev.c:9652) 
[ 814.399236][ T4803] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 814.399576][ T4803] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 814.399846][ T4803] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 814.400318][ T4803] br_del_if (net/bridge/br_if.c:743) bridge 
[ 814.400715][ T4803] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 814.401065][ T4803] do_set_master (net/core/rtnetlink.c:2932) 
[ 814.401419][ T4803] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 814.401770][ T4803] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 814.402175][ T4803] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 814.402515][ T4803] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 814.402850][ T4803] ? __kernel_text_address (kernel/extable.c:79) 
[ 814.403186][ T4803] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 814.403525][ T4803] ? __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) 
[ 814.403857][ T4803] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 814.404260][ T4803] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 814.404598][ T4803] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 814.404922][ T4803] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 814.405250][ T4803] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 814.405575][ T4803] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 814.405898][ T4803] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 814.406235][ T4803] ? __create_object (mm/kmemleak.c:771) 
[ 814.406566][ T4803] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 814.406888][ T4803] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 814.407209][ T4803] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 814.407620][ T4803] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 814.407949][ T4803] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 814.408304][ T4803] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 814.408628][ T4803] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 814.408961][ T4803] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 814.409295][ T4803] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 814.409614][ T4803] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 814.409937][ T4803] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 814.410274][ T4803] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 814.410599][ T4803] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 814.410924][ T4803] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 814.411258][ T4803] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 814.411583][ T4803] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 814.411908][ T4803] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 814.412260][ T4803] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 814.412583][ T4803] ? 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) 
[ 814.412915][ T4803] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 814.413250][ T4803] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 814.413570][ T4803] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 814.413897][ T4803] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 814.414235][ T4803] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 814.414570][ T4803] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 814.414896][ T4803] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 814.415231][ T4803] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 814.415549][ T4803] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 814.415956][ T4803] ___sys_sendmsg (net/socket.c:2670) 
[ 814.416296][ T4803] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 814.416634][ T4803] ? __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) 
[ 814.417059][ T4803] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 814.417399][ T4803] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 814.417738][ T4803] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 814.418077][ T4803] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 814.418409][ T4803] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 814.418738][ T4803] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 814.419091][ T4803] __sys_sendmsg (net/socket.c:2700) 
[ 814.419427][ T4803] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 814.419831][ T4803] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 814.420163][ T4803] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 814.420493][ T4803] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 814.420822][ T4803] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  814.421257][ T4803] RIP: 0033:0x7f9f918081e7
[ 814.421609][ T4803] 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)
[  814.422810][ T4803] RSP: 002b:00007ffe901bb638 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  814.423343][ T4803] RAX: ffffffffffffffda RBX: 00007ffe901bbd60 RCX: 00007f9f918081e7
[  814.423840][ T4803] RDX: 0000000000000000 RSI: 00007ffe901bb6a0 RDI: 0000000000000005
[  814.424334][ T4803] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  814.424823][ T4803] R10: 00007f9f91705ee8 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