======================================
| [   23.421615][  T344] br1: port 1(vx100) entered forwarding state
| [   23.422800][  T344] ------------[ cut here ]------------
| [ 23.423170][ T344] WARNING: CPU: 2 PID: 344 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) 
| [   23.423845][  T344] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
[   23.425204][  T344] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.425624][ T344] 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) 
[ 23.425968][ T344] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   23.427129][  T344] RSP: 0018:ffffc90000616ef0 EFLAGS: 00010246
[   23.427680][  T344] RAX: 0000000000000000 RBX: ffff888008cb2000 RCX: 0000000000000001
[   23.428197][  T344] RDX: 0000000000000000 RSI: ffffffffa889b941 RDI: ffffffffa80555e0
[   23.428697][  T344] RBP: ffffc90000616fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.429198][  T344] R10: ffffc90000617010 R11: ffffffffa96a8918 R12: 1ffff920000c2de2
[   23.429689][  T344] R13: 00000000000005dc R14: ffffc90000617010 R15: ffff888008cb2f08
[   23.430202][  T344] FS:  00007f5e741cf800(0000) GS:ffff88808b9b7000(0000) knlGS:0000000000000000
[   23.430784][  T344] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.431210][  T344] CR2: 00000000004e6890 CR3: 000000000be58004 CR4: 0000000000772ef0
[   23.431706][  T344] PKRU: 55555554
[   23.431972][  T344] Call Trace:
[   23.432242][  T344]  <TASK>
[ 23.432423][ T344] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.432763][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.433107][ T344] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.433449][ T344] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.433874][ T344] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.434234][ T344] netif_set_mtu (net/core/dev.c:9652) 
[ 23.434576][ T344] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.434927][ T344] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.435396][ T344] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.435658][ T344] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.436110][ T344] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.436500][ T344] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.436842][ T344] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.437193][ T344] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.437609][ T344] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.437945][ T344] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.438269][ T344] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.438593][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.438919][ T344] ? __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) 
[ 23.439262][ T344] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.439680][ T344] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.440014][ T344] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.440349][ T344] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.440666][ T344] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.440998][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.441341][ T344] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.441671][ T344] ? __create_object (mm/kmemleak.c:771) 
[ 23.442008][ T344] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.442357][ T344] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.442690][ T344] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.443103][ T344] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.443451][ T344] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.443792][ T344] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.444144][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.444504][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.444832][ T344] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.445165][ T344] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.445503][ T344] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.445837][ T344] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.446171][ T344] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.446517][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.446856][ T344] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.447203][ T344] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.447544][ T344] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.447890][ T344] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.448236][ T344] ? 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) 
[ 23.448570][ T344] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.448907][ T344] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.449249][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.449590][ T344] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.449933][ T344] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.450278][ T344] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.450627][ T344] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.450973][ T344] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.451319][ T344] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.451741][ T344] ___sys_sendmsg (net/socket.c:2670) 
[ 23.452070][ T344] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.452418][ T344] ? __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) 
[ 23.452832][ T344] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.453165][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.453503][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.453833][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.454189][ T344] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.454517][ T344] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.454915][ T344] __sys_sendmsg (net/socket.c:2700) 
[ 23.455244][ T344] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.455645][ T344] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.455977][ T344] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.456306][ T344] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.456626][ T344] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.457019][  T344] RIP: 0033:0x7f5e7439c1e7
[ 23.457364][ T344] 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)
[   23.458484][  T344] RSP: 002b:00007ffcd3133f58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.458967][  T344] RAX: ffffffffffffffda RBX: 00007ffcd3134680 RCX: 00007f5e7439c1e7
[   23.459470][  T344] RDX: 0000000000000000 RSI: 00007ffcd3133fc0 RDI: 0000000000000005
[   23.459945][  T344] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.460432][  T344] R10: 000000003fa81910 R11: 0000000000000246 R12: 0000000000000004
[   23.460910][  T344] R13: 00000000686e206d R14: 0000000000499600 R15: 0000000000000000
| [   23.678461][  T346] ------------[ cut here ]------------
| [ 23.678804][ T346] WARNING: CPU: 3 PID: 346 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) 
| [   23.679520][  T346] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   23.680888][  T346] Tainted: [W]=WARN
[   23.681138][  T346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.681551][ T346] 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) 
[ 23.681889][ T346] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   23.683045][  T346] RSP: 0018:ffffc90000546ef0 EFLAGS: 00010246
[   23.683458][  T346] RAX: 0000000000000000 RBX: ffff888008cb2000 RCX: 0000000000000001
[   23.684037][  T346] RDX: 0000000000000000 RSI: ffffffffa889b941 RDI: ffffffffa80555e0
[   23.684518][  T346] RBP: ffffc90000546fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.684982][  T346] R10: ffffc90000547010 R11: ffffffffa96a8918 R12: 1ffff920000a8de2
[   23.685447][  T346] R13: 00000000000005dc R14: ffffc90000547010 R15: ffff888008cb2f08
[   23.685905][  T346] FS:  00007f6f94384800(0000) GS:ffff88808ba37000(0000) knlGS:0000000000000000
[   23.686453][  T346] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.686839][  T346] CR2: 00000000004e5aa8 CR3: 000000000a5a8003 CR4: 0000000000772ef0
[   23.687311][  T346] PKRU: 55555554
[   23.687541][  T346] Call Trace:
[   23.687769][  T346]  <TASK>
[ 23.687928][ T346] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.688245][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.688559][ T346] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.688863][ T346] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.689253][ T346] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.689564][ T346] netif_set_mtu (net/core/dev.c:9652) 
[ 23.689869][ T346] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.690194][ T346] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.690629][ T346] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.690861][ T346] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.691289][ T346] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.691646][ T346] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.691956][ T346] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.692273][ T346] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.692661][ T346] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.692966][ T346] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.693278][ T346] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.693590][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.693902][ T346] ? __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) 
[ 23.694230][ T346] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.694612][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.694919][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.695231][ T346] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.695586][ T346] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.695899][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.696214][ T346] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.696517][ T346] ? __create_object (mm/kmemleak.c:771) 
[ 23.696828][ T346] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.697134][ T346] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.697465][ T346] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.697850][ T346] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.698160][ T346] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.698480][ T346] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.698789][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.699102][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.699417][ T346] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.699735][ T346] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.700060][ T346] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.700391][ T346] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.700713][ T346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.701039][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.701378][ T346] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.701698][ T346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.702023][ T346] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.702365][ T346] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.702688][ T346] ? 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) 
[ 23.703011][ T346] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.703344][ T346] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.703672][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.703997][ T346] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.704342][ T346] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.704669][ T346] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.704999][ T346] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.705346][ T346] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.705652][ T346] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.706049][ T346] ___sys_sendmsg (net/socket.c:2670) 
[ 23.706359][ T346] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.706695][ T346] ? __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) 
[ 23.707108][ T346] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.707443][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.707805][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.708133][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.708466][ T346] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.708794][ T346] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.709124][ T346] __sys_sendmsg (net/socket.c:2700) 
[ 23.709451][ T346] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.709859][ T346] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.710203][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.710526][ T346] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.710852][ T346] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.711263][  T346] RIP: 0033:0x7f6f945511e7
[ 23.711594][ T346] 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)
[   23.712741][  T346] RSP: 002b:00007fffd9646808 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.713245][  T346] RAX: ffffffffffffffda RBX: 00007fffd9646f30 RCX: 00007f6f945511e7
[   23.713728][  T346] RDX: 0000000000000000 RSI: 00007fffd9646870 RDI: 0000000000000005
[   23.714226][  T346] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.714708][  T346] R10: 000000002e4bf910 R11: 0000000000000246 R12: 0000000000000004
[   23.715204][  T346] R13: 00000000686e206d R14: 0000000000499600 R15: 0000000000000000
| [   24.065065][  T349] ------------[ cut here ]------------
| [ 24.065391][ T349] WARNING: CPU: 0 PID: 349 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) 
| [   24.065995][  T349] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   24.067465][  T349] Tainted: [W]=WARN
[   24.067702][  T349] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.068082][ T349] 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) 
[ 24.068404][ T349] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   24.069499][  T349] RSP: 0018:ffffc900006e6ef0 EFLAGS: 00010246
[   24.069892][  T349] RAX: 0000000000000000 RBX: ffff888008cb2000 RCX: 0000000000000001
[   24.070353][  T349] RDX: 0000000000000000 RSI: ffffffffa889b941 RDI: ffffffffa80555e0
[   24.070841][  T349] RBP: ffffc900006e6fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.071312][  T349] R10: ffffc900006e7010 R11: ffffffffa96a8918 R12: 1ffff920000dcde2
[   24.071770][  T349] R13: 00000000000005dc R14: ffffc900006e7010 R15: ffff888008cb2f08
[   24.072235][  T349] FS:  00007f0429237800(0000) GS:ffff88808b8b7000(0000) knlGS:0000000000000000
[   24.072770][  T349] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.073154][  T349] CR2: 00000000004e5ab0 CR3: 000000000be58002 CR4: 0000000000772ef0
[   24.073631][  T349] PKRU: 55555554
[   24.073859][  T349] Call Trace:
[   24.074099][  T349]  <TASK>
[ 24.074283][ T349] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.074594][ T349] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.074906][ T349] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.075219][ T349] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.075602][ T349] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.075912][ T349] netif_set_mtu (net/core/dev.c:9652) 
[ 24.076234][ T349] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.076550][ T349] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.076982][ T349] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.077225][ T349] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.077650][ T349] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.078000][ T349] do_set_master (net/core/rtnetlink.c:2948) 
[ 24.078328][ T349] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.078637][ T349] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.079020][ T349] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.079331][ T349] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.079636][ T349] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.079945][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.080259][ T349] ? __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) 
[ 24.080575][ T349] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.080959][ T349] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.081278][ T349] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.081591][ T349] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.081897][ T349] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.082208][ T349] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.082517][ T349] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.082817][ T349] ? __create_object (mm/kmemleak.c:771) 
[ 24.083131][ T349] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.083446][ T349] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.083775][ T349] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.084164][ T349] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.084486][ T349] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.084802][ T349] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.085104][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.085430][ T349] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.085737][ T349] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.086040][ T349] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.086376][ T349] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.086742][ T349] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.087076][ T349] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.087409][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.087739][ T349] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.088067][ T349] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.088398][ T349] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.088731][ T349] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.089052][ T349] ? 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) 
[ 24.089384][ T349] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.089712][ T349] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.090033][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.090376][ T349] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.090701][ T349] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.091026][ T349] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.091364][ T349] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.091674][ T349] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.091977][ T349] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.092377][ T349] ___sys_sendmsg (net/socket.c:2670) 
[ 24.092688][ T349] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.092992][ T349] ? __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) 
[ 24.093383][ T349] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.093691][ T349] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.093998][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.094332][ T349] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.094640][ T349] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.094970][ T349] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.095306][ T349] __sys_sendmsg (net/socket.c:2700) 
[ 24.095628][ T349] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.096027][ T349] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.096370][ T349] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.096694][ T349] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.097043][ T349] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.097453][  T349] RIP: 0033:0x7f04294041e7
[ 24.097786][ T349] 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)
[   24.098967][  T349] RSP: 002b:00007ffef0bf7bc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.099462][  T349] RAX: ffffffffffffffda RBX: 00007ffef0bf82f0 RCX: 00007f04294041e7
[   24.099954][  T349] RDX: 0000000000000000 RSI: 00007ffef0bf7c30 RDI: 0000000000000005
[   24.100442][  T349] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.100925][  T349] R10: 00000000105b7910 R11: 0000000000000246 R12: 0000000000000004
[   24.101413][  T349] R13: 00000000686e206d R14: 0000000000499600 R15: 0000000000000000
| [   28.846849][  T396] ------------[ cut here ]------------
| [ 28.847205][ T396] WARNING: CPU: 0 PID: 396 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) 
| [   28.847852][  T396] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   28.849232][  T396] Tainted: [W]=WARN
[   28.849477][  T396] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 28.849880][ T396] 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) 
[ 28.850230][ T396] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   28.851378][  T396] RSP: 0018:ffffc90000a76ef0 EFLAGS: 00010246
[   28.851782][  T396] RAX: 0000000000000000 RBX: ffff88800c6ba000 RCX: 0000000000000001
[   28.852269][  T396] RDX: 0000000000000000 RSI: ffffffffa889b941 RDI: ffffffffa80555e0
[   28.852749][  T396] RBP: ffffc90000a76fe0 R08: 0000000000000000 R09: 0000000000000000
[   28.853243][  T396] R10: ffffc90000a77010 R11: ffffffffa8d79160 R12: 1ffff9200014ede2
[   28.853726][  T396] R13: 00000000000005dc R14: ffffc90000a77010 R15: ffff88800c6baf08
[   28.854226][  T396] FS:  00007f8b372a6800(0000) GS:ffff88808b8b7000(0000) knlGS:0000000000000000
[   28.854796][  T396] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.855205][  T396] CR2: 00000000004e6898 CR3: 000000000c4b0002 CR4: 0000000000772ef0
[   28.855684][  T396] PKRU: 55555554
[   28.855924][  T396] Call Trace:
[   28.856162][  T396]  <TASK>
[ 28.856338][ T396] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 28.856665][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.856996][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.857329][ T396] netif_set_mtu (net/core/dev.c:9652) 
[ 28.857650][ T396] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 28.857987][ T396] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 28.858239][ T396] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 28.858684][ T396] br_add_if (net/bridge/br_if.c:697) bridge 
[ 28.859057][ T396] do_set_master (net/core/rtnetlink.c:2948) 
[ 28.859400][ T396] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 28.859726][ T396] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 28.860130][ T396] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 28.860461][ T396] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 28.860780][ T396] ? __kernel_text_address (kernel/extable.c:79) 
[ 28.861107][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.861442][ T396] ? __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) 
[ 28.861771][ T396] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 28.862172][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.862518][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.862836][ T396] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 28.863155][ T396] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 28.863489][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.863810][ T396] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 28.864155][ T396] ? __create_object (mm/kmemleak.c:771) 
[ 28.864487][ T396] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 28.864814][ T396] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 28.865134][ T396] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 28.865539][ T396] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 28.865867][ T396] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 28.866200][ T396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.866522][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.866858][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.867190][ T396] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 28.867508][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.867831][ T396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.868193][ T396] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 28.868503][ T396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.868823][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.869158][ T396] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 28.869490][ T396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.869813][ T396] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 28.870144][ T396] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 28.870471][ T396] ? 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) 
[ 28.870785][ T396] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 28.871094][ T396] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 28.871416][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.871728][ T396] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 28.872039][ T396] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 28.872352][ T396] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 28.872665][ T396] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 28.872975][ T396] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 28.873286][ T396] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 28.873684][ T396] ___sys_sendmsg (net/socket.c:2670) 
[ 28.873987][ T396] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 28.874308][ T396] ? __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) 
[ 28.874695][ T396] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 28.875003][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.875319][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.875643][ T396] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.875953][ T396] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 28.876271][ T396] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.876588][ T396] __sys_sendmsg (net/socket.c:2700) 
[ 28.876894][ T396] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 28.877285][ T396] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 28.877602][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.877910][ T396] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 28.878226][ T396] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   28.878617][  T396] RIP: 0033:0x7f8b374731e7
[ 28.878934][ T396] 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)
[   28.880056][  T396] RSP: 002b:00007ffe9f059248 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   28.880558][  T396] RAX: ffffffffffffffda RBX: 00007ffe9f059970 RCX: 00007f8b374731e7
[   28.881041][  T396] RDX: 0000000000000000 RSI: 00007ffe9f0592b0 RDI: 0000000000000005
[   28.881529][  T396] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   28.882001][  T396] R10: 000000001881b910 R11: 0000000000000246 R12: 0000000000000004
[   28.882472][  T396] R13: 00000000686e2072 R14: 0000000000499600 R15: 0000000000000000
| [   29.696701][  T403] ------------[ cut here ]------------
| [ 29.697106][ T403] WARNING: CPU: 3 PID: 403 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) 
| [   29.697837][  T403] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   29.700383][  T403] Tainted: [W]=WARN
[   29.700660][  T403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.701098][ T403] 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) 
[ 29.701551][ T403] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   29.703115][  T403] RSP: 0018:ffffc90000606ef0 EFLAGS: 00010246
[   29.703647][  T403] RAX: 0000000000000000 RBX: ffff88800c6ba000 RCX: 0000000000000001
[   29.704189][  T403] RDX: 0000000000000000 RSI: ffffffffa889b941 RDI: ffffffffa80555e0
[   29.704704][  T403] RBP: ffffc90000606fe0 R08: 0000000000000000 R09: 0000000000000000
[   29.705245][  T403] R10: ffffc90000607010 R11: ffffffffa96a8918 R12: 1ffff920000c0de2
[   29.705752][  T403] R13: 00000000000005dc R14: ffffc90000607010 R15: ffff88800c6baf08
[   29.706281][  T403] FS:  00007f4b6fe31800(0000) GS:ffff88808ba37000(0000) knlGS:0000000000000000
[   29.706890][  T403] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.707351][  T403] CR2: 00000000004e6898 CR3: 000000000ba3b001 CR4: 0000000000772ef0
[   29.707883][  T403] PKRU: 55555554
[   29.708138][  T403] Call Trace:
[   29.708406][  T403]  <TASK>
[ 29.708585][ T403] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 29.708950][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.709309][ T403] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 29.709657][ T403] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 29.710291][ T403] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 29.710690][ T403] netif_set_mtu (net/core/dev.c:9652) 
[ 29.711045][ T403] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 29.711418][ T403] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 29.711913][ T403] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 29.712169][ T403] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 29.712652][ T403] br_add_if (net/bridge/br_if.c:697) bridge 
[ 29.713061][ T403] do_set_master (net/core/rtnetlink.c:2948) 
[ 29.713416][ T403] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 29.713793][ T403] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 29.714343][ T403] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 29.714794][ T403] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 29.715329][ T403] ? __kernel_text_address (kernel/extable.c:79) 
[ 29.715695][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.716122][ T403] ? __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) 
[ 29.716474][ T403] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 29.716917][ T403] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.717357][ T403] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.717757][ T403] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 29.718339][ T403] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 29.718685][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.719037][ T403] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 29.719490][ T403] ? __create_object (mm/kmemleak.c:771) 
[ 29.719846][ T403] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 29.720258][ T403] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 29.720710][ T403] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 29.721271][ T403] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 29.721705][ T403] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 29.722160][ T403] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.722638][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.723009][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.723459][ T403] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 29.723832][ T403] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.724263][ T403] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.724679][ T403] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 29.725125][ T403] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.725481][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.725925][ T403] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 29.726285][ T403] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.726672][ T403] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 29.727074][ T403] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 29.727437][ T403] ? 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) 
[ 29.727794][ T403] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 29.728239][ T403] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 29.728653][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.729026][ T403] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 29.729457][ T403] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 29.729814][ T403] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 29.730259][ T403] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 29.730689][ T403] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 29.731052][ T403] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 29.731607][ T403] ___sys_sendmsg (net/socket.c:2670) 
[ 29.731961][ T403] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 29.732313][ T403] ? __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) 
[ 29.732842][ T403] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 29.733279][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.733641][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.734245][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.734604][ T403] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 29.735034][ T403] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.735412][ T403] __sys_sendmsg (net/socket.c:2700) 
[ 29.735848][ T403] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 29.736283][ T403] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 29.736728][ T403] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.737104][ T403] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 29.737507][ T403] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   29.738058][  T403] RIP: 0033:0x7f4b6fffe1e7
[ 29.738430][ T403] 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)
[   29.739821][  T403] RSP: 002b:00007ffca0c2ead8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.740421][  T403] RAX: ffffffffffffffda RBX: 00007ffca0c2f200 RCX: 00007f4b6fffe1e7
[   29.741077][  T403] RDX: 0000000000000000 RSI: 00007ffca0c2eb40 RDI: 0000000000000005
[   29.741687][  T403] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   29.742501][  T403] R10: 000000003d6ce910 R11: 0000000000000246 R12: 0000000000000004
[   29.743266][  T403] R13: 00000000686e2073 R14: 0000000000499600 R15: 0000000000000000
| [   34.043412][  T443] ------------[ cut here ]------------
| [ 34.043739][ T443] WARNING: CPU: 1 PID: 443 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) 
| [   34.044394][  T443] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   34.045682][  T443] Tainted: [W]=WARN
[   34.045925][  T443] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.047874][ T443] 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) 
[ 34.048455][ T443] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   34.049764][  T443] RSP: 0018:ffffc90000956ef0 EFLAGS: 00010246
[   34.050337][  T443] RAX: 0000000000000000 RBX: ffff888004e82000 RCX: 0000000000000001
[   34.050823][  T443] RDX: 0000000000000000 RSI: ffffffffa889b941 RDI: ffffffffa80555e0
[   34.051495][  T443] RBP: ffffc90000956fe0 R08: 0000000000000000 R09: 0000000000000000
[   34.051960][  T443] R10: ffffc90000957010 R11: ffffffffa8d79160 R12: 1ffff9200012ade2
[   34.052471][  T443] R13: 00000000000005dc R14: ffffc90000957010 R15: ffff888004e82f08
[   34.052962][  T443] FS:  00007f0dcaf31800(0000) GS:ffff88808b937000(0000) knlGS:0000000000000000
[   34.053537][  T443] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.053953][  T443] CR2: 00000000004e6898 CR3: 000000000c7c1005 CR4: 0000000000772ef0
[   34.054470][  T443] PKRU: 55555554
[   34.054718][  T443] Call Trace:
[   34.054972][  T443]  <TASK>
[ 34.055134][ T443] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 34.055478][ T443] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.055799][ T443] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.056113][ T443] netif_set_mtu (net/core/dev.c:9652) 
[ 34.056441][ T443] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 34.056767][ T443] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 34.057008][ T443] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 34.057464][ T443] br_add_if (net/bridge/br_if.c:697) bridge 
[ 34.057820][ T443] do_set_master (net/core/rtnetlink.c:2948) 
[ 34.058137][ T443] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 34.058459][ T443] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 34.058889][ T443] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 34.059224][ T443] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 34.059561][ T443] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.059895][ T443] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.060237][ T443] ? __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) 
[ 34.060563][ T443] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 34.060958][ T443] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.061291][ T443] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.061615][ T443] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 34.061950][ T443] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 34.062288][ T443] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.062613][ T443] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 34.062935][ T443] ? __create_object (mm/kmemleak.c:771) 
[ 34.063277][ T443] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 34.063607][ T443] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 34.063928][ T443] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 34.064371][ T443] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 34.064704][ T443] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 34.065038][ T443] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.065371][ T443] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.065703][ T443] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.066030][ T443] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 34.066369][ T443] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.066697][ T443] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.067036][ T443] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 34.067374][ T443] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.067709][ T443] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.068041][ T443] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 34.068381][ T443] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.068708][ T443] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 34.069046][ T443] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 34.069392][ T443] ? 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) 
[ 34.069721][ T443] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 34.070057][ T443] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 34.070394][ T443] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.070733][ T443] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 34.071069][ T443] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 34.071413][ T443] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 34.071753][ T443] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 34.072095][ T443] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 34.072435][ T443] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 34.072854][ T443] ___sys_sendmsg (net/socket.c:2670) 
[ 34.073199][ T443] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 34.073536][ T443] ? __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) 
[ 34.073943][ T443] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 34.074310][ T443] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.074650][ T443] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.074984][ T443] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.075328][ T443] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 34.075660][ T443] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.076000][ T443] __sys_sendmsg (net/socket.c:2700) 
[ 34.076338][ T443] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 34.076750][ T443] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 34.077099][ T443] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.077436][ T443] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 34.077764][ T443] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.078168][  T443] RIP: 0033:0x7f0dcb0fe1e7
[ 34.078517][ T443] 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)
[   34.079679][  T443] RSP: 002b:00007ffdd362ffa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.080155][  T443] RAX: ffffffffffffffda RBX: 00007ffdd36306d0 RCX: 00007f0dcb0fe1e7
[   34.080632][  T443] RDX: 0000000000000000 RSI: 00007ffdd3630010 RDI: 0000000000000005
[   34.081103][  T443] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   34.081580][  T443] R10: 00000000227d9910 R11: 0000000000000246 R12: 0000000000000004
[   34.082061][  T443] R13: 00000000686e2077 R14: 0000000000499600 R15: 0000000000000000
| [   34.968890][  T450] ------------[ cut here ]------------
| [ 34.969476][ T450] WARNING: CPU: 3 PID: 450 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) 
| [   34.971990][  T450] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   34.974415][  T450] Tainted: [W]=WARN
[   34.974831][  T450] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.975558][ T450] 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) 
[ 34.976114][ T450] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   34.978109][  T450] RSP: 0018:ffffc90000cdeef0 EFLAGS: 00010246
[   34.978830][  T450] RAX: 0000000000000000 RBX: ffff888004e82000 RCX: 0000000000000001
[   34.979689][  T450] RDX: 0000000000000000 RSI: ffffffffa889b941 RDI: ffffffffa80555e0
[   34.980582][  T450] RBP: ffffc90000cdefe0 R08: 0000000000000000 R09: 0000000000000000
[   34.981446][  T450] R10: ffffc90000cdf010 R11: ffffffffa8d79160 R12: 1ffff9200019bde2
[   34.982326][  T450] R13: 00000000000005dc R14: ffffc90000cdf010 R15: ffff888004e82f08
[   34.983210][  T450] FS:  00007fa12aa86800(0000) GS:ffff88808ba37000(0000) knlGS:0000000000000000
[   34.984237][  T450] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.984945][  T450] CR2: 00000000004e6898 CR3: 000000000c571003 CR4: 0000000000772ef0
[   34.985792][  T450] PKRU: 55555554
[   34.986211][  T450] Call Trace:
[   34.986611][  T450]  <TASK>
[ 34.986889][ T450] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 34.987450][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.988040][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.988615][ T450] netif_set_mtu (net/core/dev.c:9652) 
[ 34.989172][ T450] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 34.989777][ T450] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 34.990209][ T450] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 34.990967][ T450] br_add_if (net/bridge/br_if.c:697) bridge 
[ 34.991627][ T450] do_set_master (net/core/rtnetlink.c:2948) 
[ 34.992215][ T450] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 34.992773][ T450] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 34.993483][ T450] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 34.994054][ T450] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 34.994640][ T450] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.995210][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.995744][ T450] ? __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) 
[ 34.996309][ T450] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 34.997001][ T450] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.997581][ T450] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.998125][ T450] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 34.998669][ T450] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 34.999243][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.999803][ T450] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.000356][ T450] ? __create_object (mm/kmemleak.c:771) 
[ 35.000909][ T450] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.001463][ T450] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.002101][ T450] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.002804][ T450] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.003411][ T450] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.003980][ T450] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.004429][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.004748][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.005061][ T450] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.005373][ T450] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.005681][ T450] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.006013][ T450] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.006424][ T450] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.006738][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.007052][ T450] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.007402][ T450] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.007712][ T450] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.008033][ T450] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.008344][ T450] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 35.008652][ T450] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.008988][ T450] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.009299][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.009614][ T450] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.009923][ T450] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.010259][ T450] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.010578][ T450] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.010896][ T450] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.011209][ T450] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.011604][ T450] ___sys_sendmsg (net/socket.c:2670) 
[ 35.011911][ T450] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.012227][ T450] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 35.012610][ T450] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.012920][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.013244][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.013556][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.013862][ T450] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.014201][ T450] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.014513][ T450] __sys_sendmsg (net/socket.c:2700) 
[ 35.014816][ T450] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.015202][ T450] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.015520][ T450] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.015825][ T450] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.016140][ T450] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.016528][  T450] RIP: 0033:0x7fa12ac531e7
[ 35.016856][ T450] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   35.017951][  T450] RSP: 002b:00007ffc5add68f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.018424][  T450] RAX: ffffffffffffffda RBX: 00007ffc5add7020 RCX: 00007fa12ac531e7
[   35.018927][  T450] RDX: 0000000000000000 RSI: 00007ffc5add6960 RDI: 0000000000000005
[   35.019399][  T450] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   35.019901][  T450] R10: 000000002bd40910 R11: 0000000000000246 R12: 0000000000000004
[   35.020365][  T450] R13: 00000000686e2078 R14: 0000000000499600 R15: 0000000000000000
| [   53.560849][  T576] ------------[ cut here ]------------
| [ 53.561232][ T576] WARNING: CPU: 2 PID: 576 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) 
| [   53.561873][  T576] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   53.563232][  T576] Tainted: [W]=WARN
[   53.563482][  T576] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 53.563891][ T576] 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) 
[ 53.564258][ T576] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   53.565416][  T576] RSP: 0018:ffffc900010eef70 EFLAGS: 00010246
[   53.566059][  T576] RAX: 0000000000000000 RBX: ffff888008cb2000 RCX: 0000000000000001
[   53.566669][  T576] RDX: 0000000000000000 RSI: ffffffffa889b941 RDI: ffffffffa80555e0
[   53.567474][  T576] RBP: ffffc900010ef058 R08: 0000000000000000 R09: 0000000000000000
[   53.568282][  T576] R10: ffffc900010ef088 R11: ffffffffa4c00130 R12: 1ffff9200021ddf2
[   53.568878][  T576] R13: 00000000000005dc R14: ffffc900010ef088 R15: ffff888008cb2f08
[   53.569414][  T576] FS:  00007f7c19dfe800(0000) GS:ffff88808b9b7000(0000) knlGS:0000000000000000
[   53.570169][  T576] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.570637][  T576] CR2: 00000000004e5ab0 CR3: 0000000010a52001 CR4: 0000000000772ef0
[   53.571382][  T576] PKRU: 55555554
[   53.571657][  T576] Call Trace:
[   53.571915][  T576]  <TASK>
[ 53.572102][ T576] ? __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) 
[ 53.572563][ T576] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 53.572967][ T576] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 53.573425][ T576] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.573758][ T576] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 53.574226][ T576] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 53.574656][ T576] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.574982][ T576] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.575415][ T576] ? ___sys_sendmsg (net/socket.c:2670) 
[ 53.575829][ T576] ? __sys_sendmsg (net/socket.c:2700) 
[ 53.576208][ T576] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.576570][ T576] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 53.577083][ T576] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.577484][ T576] netif_set_mtu (net/core/dev.c:9652) 
[ 53.577840][ T576] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 53.578218][ T576] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 53.578471][ T576] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 53.579063][ T576] br_del_if (net/bridge/br_if.c:743) bridge 
[ 53.579703][ T576] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 53.580036][ T576] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 53.580380][ T576] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.580800][ T576] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 53.581245][ T576] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 53.581581][ T576] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 53.582006][ T576] ? __kernel_text_address (kernel/extable.c:79) 
[ 53.582464][ T576] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.582796][ T576] ? __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) 
[ 53.583134][ T576] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 53.583583][ T576] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.583907][ T576] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.584356][ T576] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 53.584722][ T576] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 53.585101][ T576] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.585690][ T576] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 53.586074][ T576] ? __create_object (mm/kmemleak.c:771) 
[ 53.586510][ T576] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 53.586934][ T576] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 53.587384][ T576] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 53.587850][ T576] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 53.588283][ T576] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 53.588612][ T576] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.588930][ T576] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.589446][ T576] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.589936][ T576] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 53.590306][ T576] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.590645][ T576] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.591078][ T576] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 53.591423][ T576] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.591744][ T576] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.592102][ T576] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 53.592533][ T576] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.592866][ T576] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 53.593367][ T576] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 53.593782][ T576] ? 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) 
[ 53.594208][ T576] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 53.594540][ T576] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 53.595022][ T576] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.595460][ T576] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.595854][ T576] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 53.596212][ T576] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 53.596703][ T576] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.597162][ T576] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 53.597684][ T576] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 53.598281][ T576] ___sys_sendmsg (net/socket.c:2670) 
[ 53.598615][ T576] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 53.598945][ T576] ? __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) 
[ 53.599371][ T576] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 53.599697][ T576] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.600058][ T576] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.600468][ T576] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.600797][ T576] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 53.601156][ T576] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.601607][ T576] __sys_sendmsg (net/socket.c:2700) 
[ 53.602005][ T576] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 53.602688][ T576] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 53.603122][ T576] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.603536][ T576] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.603984][ T576] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   53.604591][  T576] RIP: 0033:0x7f7c19fcb1e7
[ 53.604986][ T576] 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)
[   53.606337][  T576] RSP: 002b:00007fff31ceb738 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   53.606852][  T576] RAX: ffffffffffffffda RBX: 00007fff31cebe60 RCX: 00007f7c19fcb1e7
[   53.607505][  T576] RDX: 0000000000000000 RSI: 00007fff31ceb7a0 RDI: 0000000000000005
[   53.608118][  T576] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   53.608689][  T576] R10: 00007f7c19ec8ee8 R11: 0000000000000246 R12: 0000000000000003
[   53.609217][  T576] R13: 00000000686e208b R14: 0000000000499600 R15: 0000000000000000
| [   54.030806][  T579] ------------[ cut here ]------------
| [ 54.031152][ T579] WARNING: CPU: 1 PID: 579 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) 
| [   54.031864][  T579] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   54.034625][  T579] Tainted: [W]=WARN
[   54.034862][  T579] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 54.035257][ T579] 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) 
[ 54.035617][ T579] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   54.036744][  T579] RSP: 0018:ffffc9000110ef70 EFLAGS: 00010246
[   54.037140][  T579] RAX: 0000000000000000 RBX: ffff888008cb2000 RCX: 0000000000000001
[   54.037611][  T579] RDX: 0000000000000000 RSI: ffffffffa889b941 RDI: ffffffffa80555e0
[   54.038076][  T579] RBP: ffffc9000110f058 R08: 0000000000000000 R09: 0000000000000000
[   54.038540][  T579] R10: ffffc9000110f088 R11: ffffffffa8d79160 R12: 1ffff92000221df2
[   54.038996][  T579] R13: 00000000000005dc R14: ffffc9000110f088 R15: ffff888008cb2f08
[   54.039495][  T579] FS:  00007fac75b3b800(0000) GS:ffff88808b937000(0000) knlGS:0000000000000000
[   54.040033][  T579] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.040425][  T579] CR2: 00000000004e5aa8 CR3: 0000000010a71001 CR4: 0000000000772ef0
[   54.040887][  T579] PKRU: 55555554
[   54.041115][  T579] Call Trace:
[   54.041352][  T579]  <TASK>
[ 54.041509][ T579] ? __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) 
[ 54.041895][ T579] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 54.042263][ T579] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 54.042575][ T579] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 54.042881][ T579] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 54.043195][ T579] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 54.043539][ T579] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.043844][ T579] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.044157][ T579] ? ___sys_sendmsg (net/socket.c:2670) 
[ 54.044474][ T579] ? __sys_sendmsg (net/socket.c:2700) 
[ 54.044782][ T579] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.045087][ T579] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 54.045472][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.045794][ T579] netif_set_mtu (net/core/dev.c:9652) 
[ 54.046102][ T579] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 54.046431][ T579] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 54.046665][ T579] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 54.047096][ T579] br_del_if (net/bridge/br_if.c:743) bridge 
[ 54.047472][ T579] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 54.047783][ T579] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 54.048090][ T579] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 54.048455][ T579] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 54.048845][ T579] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 54.049152][ T579] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 54.049474][ T579] ? __kernel_text_address (kernel/extable.c:79) 
[ 54.049784][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.050095][ T579] ? __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) 
[ 54.050410][ T579] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 54.050790][ T579] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.051097][ T579] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.051432][ T579] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 54.051752][ T579] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 54.052060][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.052378][ T579] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 54.052682][ T579] ? __create_object (mm/kmemleak.c:771) 
[ 54.052996][ T579] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 54.053312][ T579] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 54.053619][ T579] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 54.054002][ T579] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 54.054352][ T579] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 54.054667][ T579] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.054974][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.055291][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.055626][ T579] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 54.055930][ T579] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.056258][ T579] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.056575][ T579] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 54.056891][ T579] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.057212][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.057525][ T579] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 54.057838][ T579] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.058149][ T579] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 54.058473][ T579] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 54.058778][ T579] ? 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) 
[ 54.059111][ T579] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 54.059457][ T579] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 54.059765][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.060075][ T579] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.060390][ T579] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 54.060695][ T579] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 54.061013][ T579] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.061335][ T579] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 54.061637][ T579] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 54.062029][ T579] ___sys_sendmsg (net/socket.c:2670) 
[ 54.062343][ T579] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 54.062649][ T579] ? __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) 
[ 54.063029][ T579] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 54.063348][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.063701][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.064014][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.064342][ T579] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 54.064651][ T579] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.064962][ T579] __sys_sendmsg (net/socket.c:2700) 
[ 54.065275][ T579] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 54.065702][ T579] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 54.066045][ T579] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.066378][ T579] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.066708][ T579] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   54.067108][  T579] RIP: 0033:0x7fac75d081e7
[ 54.067483][ T579] 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)
[   54.068652][  T579] RSP: 002b:00007ffed80e5698 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   54.069140][  T579] RAX: ffffffffffffffda RBX: 00007ffed80e5dc0 RCX: 00007fac75d081e7
[   54.069630][  T579] RDX: 0000000000000000 RSI: 00007ffed80e5700 RDI: 0000000000000005
[   54.070120][  T579] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   54.070619][  T579] R10: 00007fac75c05ee8 R11: 0000000000000246 R12: 0000000000000003
[   54.071110][  T579] R13: 00000000686e208b R14: 0000000000499600 R15: 0000000000000000
| [   54.231523][  T580] ------------[ cut here ]------------
| [ 54.231883][ T580] WARNING: CPU: 3 PID: 580 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) 
| [   54.232539][  T580] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   54.233885][  T580] Tainted: [W]=WARN
[   54.234143][  T580] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 54.234557][ T580] 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) 
[ 54.234889][ T580] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   54.236048][  T580] RSP: 0018:ffffc9000111ef70 EFLAGS: 00010246
[   54.236463][  T580] RAX: 0000000000000000 RBX: ffff888008cb2000 RCX: 0000000000000001
[   54.236946][  T580] RDX: 0000000000000000 RSI: ffffffffa889b941 RDI: ffffffffa80555e0
[   54.237435][  T580] RBP: ffffc9000111f058 R08: 0000000000000000 R09: 0000000000000000
[   54.237918][  T580] R10: ffffc9000111f088 R11: ffffffffa8d79160 R12: 1ffff92000223df2
[   54.238408][  T580] R13: 00000000000005dc R14: ffffc9000111f088 R15: ffff888008cb2f08
[   54.238890][  T580] FS:  00007fe2d942b800(0000) GS:ffff88808ba37000(0000) knlGS:0000000000000000
[   54.239471][  T580] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.239879][  T580] CR2: 00000000004e73c0 CR3: 000000000c7b7002 CR4: 0000000000772ef0
[   54.240377][  T580] PKRU: 55555554
[   54.240622][  T580] Call Trace:
[   54.240865][  T580]  <TASK>
[ 54.241029][ T580] ? __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) 
[ 54.241441][ T580] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 54.241811][ T580] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 54.242134][ T580] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 54.242477][ T580] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 54.242797][ T580] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 54.243117][ T580] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.243445][ T580] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.243769][ T580] ? ___sys_sendmsg (net/socket.c:2670) 
[ 54.244088][ T580] ? __sys_sendmsg (net/socket.c:2700) 
[ 54.244428][ T580] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.244758][ T580] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 54.245166][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.245511][ T580] netif_set_mtu (net/core/dev.c:9652) 
[ 54.245832][ T580] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 54.246165][ T580] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 54.246417][ T580] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 54.246857][ T580] br_del_if (net/bridge/br_if.c:743) bridge 
[ 54.247232][ T580] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 54.247556][ T580] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 54.247891][ T580] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 54.248224][ T580] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 54.248628][ T580] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 54.248949][ T580] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 54.249280][ T580] ? __kernel_text_address (kernel/extable.c:79) 
[ 54.249607][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.249930][ T580] ? __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) 
[ 54.250272][ T580] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 54.250671][ T580] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.250997][ T580] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.251332][ T580] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 54.251655][ T580] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 54.251980][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.252311][ T580] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 54.252642][ T580] ? __create_object (mm/kmemleak.c:771) 
[ 54.252971][ T580] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 54.253302][ T580] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 54.253623][ T580] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 54.254023][ T580] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 54.254374][ T580] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 54.254705][ T580] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.255029][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.255379][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.255705][ T580] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 54.256026][ T580] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.256357][ T580] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.256677][ T580] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 54.257001][ T580] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.257335][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.257669][ T580] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 54.257996][ T580] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.258325][ T580] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 54.258659][ T580] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 54.258979][ T580] ? 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) 
[ 54.259314][ T580] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 54.259638][ T580] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 54.259969][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.260301][ T580] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.260630][ T580] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 54.260957][ T580] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 54.261300][ T580] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.261628][ T580] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 54.261949][ T580] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 54.262380][ T580] ___sys_sendmsg (net/socket.c:2670) 
[ 54.262700][ T580] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 54.263020][ T580] ? __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) 
[ 54.263428][ T580] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 54.263750][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.264073][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.264429][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.264758][ T580] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 54.265087][ T580] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.265427][ T580] __sys_sendmsg (net/socket.c:2700) 
[ 54.265751][ T580] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 54.266148][ T580] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 54.266490][ T580] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.266822][ T580] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.267149][ T580] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   54.267569][  T580] RIP: 0033:0x7fe2d95f81e7
[ 54.267906][ T580] 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)
[   54.269055][  T580] RSP: 002b:00007ffc7374c0f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   54.269555][  T580] RAX: ffffffffffffffda RBX: 00007ffc7374c820 RCX: 00007fe2d95f81e7
[   54.270038][  T580] RDX: 0000000000000000 RSI: 00007ffc7374c160 RDI: 0000000000000005
[   54.270526][  T580] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   54.271008][  T580] R10: 00007fe2d94f5ee8 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