======================================
| [   22.929527][  T345] br1: port 1(vx10) entered forwarding state
| [   22.930867][  T345] ------------[ cut here ]------------
| [ 22.931193][ T345] WARNING: CPU: 1 PID: 345 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   22.931844][  T345] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
[   22.933244][  T345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.933629][ T345] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 22.933949][ T345] 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
[   22.935070][  T345] RSP: 0018:ffffc900005b6ef0 EFLAGS: 00010246
[   22.935664][  T345] RAX: 0000000000000000 RBX: ffff88800a452000 RCX: 0000000000000001
[   22.936128][  T345] RDX: 0000000000000000 RSI: ffffffff8c09b941 RDI: ffffffff8b8555e0
[   22.936786][  T345] RBP: ffffc900005b6fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.937397][  T345] R10: ffffc900005b7010 R11: ffffffff8cea8918 R12: 1ffff920000b6de2
[   22.937854][  T345] R13: 00000000000005dc R14: ffffc900005b7010 R15: ffff88800a452f08
[   22.938457][  T345] FS:  00007fc0021a4800(0000) GS:ffff8880a8137000(0000) knlGS:0000000000000000
[   22.938989][  T345] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.939533][  T345] CR2: 00000000004e5ce0 CR3: 0000000005270005 CR4: 0000000000772ef0
[   22.939998][  T345] PKRU: 55555554
[   22.940374][  T345] Call Trace:
[   22.940614][  T345]  <TASK>
[ 22.940775][ T345] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.941084][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.941553][ T345] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.941862][ T345] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.942399][ T345] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.942711][ T345] netif_set_mtu (net/core/dev.c:9652) 
[ 22.943020][ T345] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.943487][ T345] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.943917][ T345] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.944149][ T345] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.944734][ T345] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.945086][ T345] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.945543][ T345] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.945853][ T345] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.946428][ T345] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.946733][ T345] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.947038][ T345] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.947543][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.947854][ T345] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 22.948157][ T345] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.948644][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.948950][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.949261][ T345] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.949565][ T345] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.949877][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.950191][ T345] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.950491][ T345] ? __create_object (mm/kmemleak.c:771) 
[ 22.950797][ T345] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.951102][ T345] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.951422][ T345] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.951808][ T345] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.952138][ T345] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.952460][ T345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.952770][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.953080][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.953391][ T345] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.953696][ T345] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.954002][ T345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.954311][ T345] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.954632][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.954941][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.955265][ T345] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.955577][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.955882][ T345] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.956209][ T345] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.956511][ T345] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 22.956827][ T345] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.957134][ T345] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.957444][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.957754][ T345] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.958059][ T345] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.958371][ T345] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.958683][ T345] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.958991][ T345] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.959318][ T345] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.959710][ T345] ___sys_sendmsg (net/socket.c:2670) 
[ 22.960014][ T345] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.960328][ T345] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 22.960704][ T345] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.961012][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.961333][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.961644][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.961949][ T345] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.962274][ T345] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.962584][ T345] __sys_sendmsg (net/socket.c:2700) 
[ 22.962886][ T345] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.963280][ T345] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.963598][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.963912][ T345] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.964237][ T345] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.964614][  T345] RIP: 0033:0x7fc0023711e7
[ 22.964932][ T345] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   22.966033][  T345] RSP: 002b:00007ffccff27308 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.966506][  T345] RAX: ffffffffffffffda RBX: 00007ffccff27a30 RCX: 00007fc0023711e7
[   22.966966][  T345] RDX: 0000000000000000 RSI: 00007ffccff27370 RDI: 0000000000000005
[   22.967448][  T345] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.967914][  T345] R10: 000000001325a910 R11: 0000000000000246 R12: 0000000000000004
[   22.968383][  T345] R13: 00000000686e1f90 R14: 0000000000499600 R15: 0000000000000000
| [   23.446215][  T350] ------------[ cut here ]------------
| [ 23.446534][ T350] WARNING: CPU: 2 PID: 350 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) 
| [   23.447149][  T350] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   23.448465][  T350] Tainted: [W]=WARN
[   23.448717][  T350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.449116][ T350] 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) 
[ 23.449701][ T350] 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
[   23.450913][  T350] RSP: 0018:ffffc90000576ef0 EFLAGS: 00010246
[   23.451322][  T350] RAX: 0000000000000000 RBX: ffff88800a452000 RCX: 0000000000000001
[   23.451795][  T350] RDX: 0000000000000000 RSI: ffffffff8c09b941 RDI: ffffffff8b8555e0
[   23.452292][  T350] RBP: ffffc90000576fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.452762][  T350] R10: ffffc90000577010 R11: ffffffff8cea8918 R12: 1ffff920000aede2
[   23.453242][  T350] R13: 00000000000005dc R14: ffffc90000577010 R15: ffff88800a452f08
[   23.453716][  T350] FS:  00007f9bec86c800(0000) GS:ffff8880a81b7000(0000) knlGS:0000000000000000
[   23.454302][  T350] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.454703][  T350] CR2: 00000000004e5de8 CR3: 0000000009373003 CR4: 0000000000772ef0
[   23.455185][  T350] PKRU: 55555554
[   23.455429][  T350] Call Trace:
[   23.455670][  T350]  <TASK>
[ 23.455845][ T350] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.456185][ T350] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.456518][ T350] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.456841][ T350] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.457249][ T350] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.457575][ T350] netif_set_mtu (net/core/dev.c:9652) 
[ 23.457897][ T350] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.458244][ T350] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.458711][ T350] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.458960][ T350] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.459410][ T350] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.459780][ T350] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.460107][ T350] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.460452][ T350] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.460856][ T350] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.461185][ T350] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.461517][ T350] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.461842][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.462189][ T350] ? __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) 
[ 23.462514][ T350] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.462912][ T350] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.463251][ T350] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.463569][ T350] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.463890][ T350] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.464218][ T350] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.464543][ T350] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.464857][ T350] ? __create_object (mm/kmemleak.c:771) 
[ 23.465187][ T350] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.465517][ T350] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.465837][ T350] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.466236][ T350] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.466565][ T350] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.466889][ T350] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.467217][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.467544][ T350] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.467873][ T350] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.468205][ T350] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.468531][ T350] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.468849][ T350] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.469187][ T350] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.469509][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.469833][ T350] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.470153][ T350] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.470489][ T350] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.470821][ T350] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.471141][ T350] ? 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) 
[ 23.471475][ T350] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.471799][ T350] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.472128][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.472467][ T350] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.472799][ T350] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.473119][ T350] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.473455][ T350] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.473780][ T350] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.474102][ T350] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.474515][ T350] ___sys_sendmsg (net/socket.c:2670) 
[ 23.475101][ T350] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.475440][ T350] ? __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) 
[ 23.476084][ T350] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.476423][ T350] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.476750][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.477074][ T350] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.477402][ T350] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.477945][ T350] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.478291][ T350] __sys_sendmsg (net/socket.c:2700) 
[ 23.478616][ T350] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.479008][ T350] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.479347][ T350] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.479666][ T350] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.479983][ T350] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.480608][  T350] RIP: 0033:0x7f9beca391e7
[ 23.480943][ T350] 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)
[   23.482073][  T350] RSP: 002b:00007ffe7d0b41f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.482560][  T350] RAX: ffffffffffffffda RBX: 00007ffe7d0b4920 RCX: 00007f9beca391e7
[   23.483035][  T350] RDX: 0000000000000000 RSI: 00007ffe7d0b4260 RDI: 0000000000000005
[   23.483745][  T350] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.484229][  T350] R10: 0000000034810910 R11: 0000000000000246 R12: 0000000000000004
[   23.484707][  T350] R13: 00000000686e1f91 R14: 0000000000499600 R15: 0000000000000000
| [   23.715642][  T352] ------------[ cut here ]------------
| [ 23.715949][ T352] WARNING: CPU: 0 PID: 352 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) 
| [   23.716560][  T352] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   23.717825][  T352] Tainted: [W]=WARN
[   23.718057][  T352] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.718465][ T352] 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) 
[ 23.718779][ T352] 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
[   23.721078][  T352] RSP: 0018:ffffc90000576ef0 EFLAGS: 00010246
[   23.721480][  T352] RAX: 0000000000000000 RBX: ffff88800a452000 RCX: 0000000000000001
[   23.721937][  T352] RDX: 0000000000000000 RSI: ffffffff8c09b941 RDI: ffffffff8b8555e0
[   23.722420][  T352] RBP: ffffc90000576fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.722883][  T352] R10: ffffc90000577010 R11: ffffffff8cea8918 R12: 1ffff920000aede2
[   23.723346][  T352] R13: 00000000000005dc R14: ffffc90000577010 R15: ffff88800a452f08
[   23.723811][  T352] FS:  00007f9929ebf800(0000) GS:ffff8880a80b7000(0000) knlGS:0000000000000000
[   23.724357][  T352] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.724752][  T352] CR2: 00000000004e5aa8 CR3: 000000000a3c7006 CR4: 0000000000772ef0
[   23.725223][  T352] PKRU: 55555554
[   23.725451][  T352] Call Trace:
[   23.725679][  T352]  <TASK>
[ 23.725837][ T352] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.726140][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.726473][ T352] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.726784][ T352] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.727167][ T352] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.727483][ T352] netif_set_mtu (net/core/dev.c:9652) 
[ 23.727790][ T352] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.728105][ T352] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.728539][ T352] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.728770][ T352] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.729206][ T352] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.729555][ T352] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.729862][ T352] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.730195][ T352] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.730578][ T352] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.730879][ T352] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.731214][ T352] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.731527][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.731834][ T352] ? __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) 
[ 23.732145][ T352] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.732528][ T352] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.732836][ T352] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.733136][ T352] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.733448][ T352] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.733754][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.734073][ T352] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.734393][ T352] ? __create_object (mm/kmemleak.c:771) 
[ 23.734697][ T352] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.735000][ T352] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.735314][ T352] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.735696][ T352] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.736011][ T352] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.736334][ T352] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.736636][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.736942][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.737263][ T352] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.737562][ T352] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.737867][ T352] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.738189][ T352] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.738501][ T352] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.738806][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.739111][ T352] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.739425][ T352] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.739730][ T352] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.740042][ T352] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.740349][ T352] ? 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) 
[ 23.740657][ T352] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.740961][ T352] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.741274][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.741581][ T352] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.741884][ T352] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.742219][ T352] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.742530][ T352] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.742837][ T352] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.743143][ T352] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.743548][ T352] ___sys_sendmsg (net/socket.c:2670) 
[ 23.743848][ T352] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.744149][ T352] ? __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) 
[ 23.744541][ T352] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.744848][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.745161][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.745484][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.745789][ T352] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.746091][ T352] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.746426][ T352] __sys_sendmsg (net/socket.c:2700) 
[ 23.746731][ T352] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.747105][ T352] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.747431][ T352] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.747743][ T352] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.748044][ T352] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.748444][  T352] RIP: 0033:0x7f992a08c1e7
[ 23.748760][ T352] 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)
[   23.749857][  T352] RSP: 002b:00007ffd81cc7908 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.750337][  T352] RAX: ffffffffffffffda RBX: 00007ffd81cc8030 RCX: 00007f992a08c1e7
[   23.750794][  T352] RDX: 0000000000000000 RSI: 00007ffd81cc7970 RDI: 0000000000000005
[   23.751256][  T352] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.751719][  T352] R10: 000000002be3e910 R11: 0000000000000246 R12: 0000000000000004
[   23.752190][  T352] R13: 00000000686e1f91 R14: 0000000000499600 R15: 0000000000000000
| [   24.223416][  T356] ------------[ cut here ]------------
| [ 24.223743][ T356] WARNING: CPU: 0 PID: 356 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) 
| [   24.224390][  T356] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   24.225694][  T356] Tainted: [W]=WARN
[   24.225946][  T356] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.226793][ T356] 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) 
[ 24.227122][ T356] 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
[   24.228274][  T356] RSP: 0018:ffffc90000606ef0 EFLAGS: 00010246
[   24.228662][  T356] RAX: 0000000000000000 RBX: ffff88800a452000 RCX: 0000000000000001
[   24.229123][  T356] RDX: 0000000000000000 RSI: ffffffff8c09b941 RDI: ffffffff8b8555e0
[   24.229603][  T356] RBP: ffffc90000606fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.230083][  T356] R10: ffffc90000607010 R11: ffffffff8cea8918 R12: 1ffff920000c0de2
[   24.230549][  T356] R13: 00000000000005dc R14: ffffc90000607010 R15: ffff88800a452f08
[   24.231027][  T356] FS:  00007fbb7ab1c800(0000) GS:ffff8880a80b7000(0000) knlGS:0000000000000000
[   24.231592][  T356] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.232012][  T356] CR2: 00000000004e5ab0 CR3: 000000000939e005 CR4: 0000000000772ef0
[   24.232521][  T356] PKRU: 55555554
[   24.232753][  T356] Call Trace:
[   24.232993][  T356]  <TASK>
[ 24.233152][ T356] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.233476][ T356] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.233789][ T356] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.234117][ T356] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.234533][ T356] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.234841][ T356] netif_set_mtu (net/core/dev.c:9652) 
[ 24.235182][ T356] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.235500][ T356] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.235948][ T356] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.236207][ T356] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.236643][ T356] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.237002][ T356] do_set_master (net/core/rtnetlink.c:2948) 
[ 24.237346][ T356] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.237657][ T356] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.238059][ T356] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.238373][ T356] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.238678][ T356] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.238996][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.239321][ T356] ? __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) 
[ 24.239628][ T356] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.240027][ T356] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.240358][ T356] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.240676][ T356] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.240987][ T356] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.241316][ T356] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.241631][ T356] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.241939][ T356] ? __create_object (mm/kmemleak.c:771) 
[ 24.242281][ T356] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.242597][ T356] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.242911][ T356] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.243302][ T356] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.243614][ T356] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.243940][ T356] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.244253][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.244567][ T356] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.244884][ T356] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.245201][ T356] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.245510][ T356] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.245819][ T356] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.246124][ T356] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.246449][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.246770][ T356] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.247082][ T356] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.247398][ T356] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.247729][ T356] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.248030][ T356] ? 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) 
[ 24.248349][ T356] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.248659][ T356] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.248959][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.249288][ T356] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.249604][ T356] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.249916][ T356] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.250245][ T356] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.250558][ T356] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.250891][ T356] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.251296][ T356] ___sys_sendmsg (net/socket.c:2670) 
[ 24.251612][ T356] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.251924][ T356] ? __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) 
[ 24.252327][ T356] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.252642][ T356] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.252952][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.253280][ T356] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.253593][ T356] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.253901][ T356] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.254223][ T356] __sys_sendmsg (net/socket.c:2700) 
[ 24.254525][ T356] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.254898][ T356] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.255220][ T356] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.255532][ T356] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.255836][ T356] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.256220][  T356] RIP: 0033:0x7fbb7ace91e7
[ 24.256534][ T356] 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)
[   24.257641][  T356] RSP: 002b:00007fffe48da538 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.258101][  T356] RAX: ffffffffffffffda RBX: 00007fffe48dac60 RCX: 00007fbb7ace91e7
[   24.258564][  T356] RDX: 0000000000000000 RSI: 00007fffe48da5a0 RDI: 0000000000000005
[   24.259018][  T356] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.259494][  T356] R10: 0000000021258910 R11: 0000000000000246 R12: 0000000000000004
[   24.259967][  T356] R13: 00000000686e1f91 R14: 0000000000499600 R15: 0000000000000000
| [   29.058151][  T407] ------------[ cut here ]------------
| [ 29.058709][ T407] WARNING: CPU: 2 PID: 407 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) 
| [   29.059375][  T407] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   29.060657][  T407] Tainted: [W]=WARN
[   29.060903][  T407] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.061313][ T407] 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) 
[ 29.061639][ T407] 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
[   29.062748][  T407] RSP: 0018:ffffc90000a96ef0 EFLAGS: 00010246
[   29.063151][  T407] RAX: 0000000000000000 RBX: ffff88800fd8a000 RCX: 0000000000000001
[   29.063628][  T407] RDX: 0000000000000000 RSI: ffffffff8c09b941 RDI: ffffffff8b8555e0
[   29.064093][  T407] RBP: ffffc90000a96fe0 R08: 0000000000000000 R09: 0000000000000000
[   29.064571][  T407] R10: ffffc90000a97010 R11: ffffffff8c579160 R12: 1ffff92000152de2
[   29.065041][  T407] R13: 00000000000005dc R14: ffffc90000a97010 R15: ffff88800fd8af08
[   29.065516][  T407] FS:  00007f39c52ac800(0000) GS:ffff8880a81b7000(0000) knlGS:0000000000000000
[   29.066056][  T407] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.066458][  T407] CR2: 00000000004e6898 CR3: 000000000ac4e006 CR4: 0000000000772ef0
[   29.066923][  T407] PKRU: 55555554
[   29.067177][  T407] Call Trace:
[   29.067418][  T407]  <TASK>
[ 29.067588][ T407] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 29.067907][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.068247][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.068571][ T407] netif_set_mtu (net/core/dev.c:9652) 
[ 29.068889][ T407] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 29.069231][ T407] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 29.069476][ T407] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 29.069919][ T407] br_add_if (net/bridge/br_if.c:697) bridge 
[ 29.070310][ T407] do_set_master (net/core/rtnetlink.c:2948) 
[ 29.070639][ T407] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 29.070959][ T407] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 29.071367][ T407] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 29.071684][ T407] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 29.072012][ T407] ? __kernel_text_address (kernel/extable.c:79) 
[ 29.072351][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.072674][ T407] ? __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) 
[ 29.072989][ T407] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 29.073397][ T407] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.073715][ T407] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.074032][ T407] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 29.074363][ T407] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 29.074685][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.075002][ T407] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 29.075329][ T407] ? __create_object (mm/kmemleak.c:771) 
[ 29.075650][ T407] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 29.075971][ T407] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 29.076302][ T407] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 29.076695][ T407] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 29.077025][ T407] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 29.077362][ T407] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.077679][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.078008][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.078338][ T407] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 29.078656][ T407] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.078976][ T407] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.079304][ T407] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 29.079626][ T407] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.079946][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.080288][ T407] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 29.080607][ T407] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.080926][ T407] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 29.081263][ T407] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 29.081580][ T407] ? 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) 
[ 29.081901][ T407] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 29.082261][ T407] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 29.082580][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.082901][ T407] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 29.083232][ T407] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 29.083551][ T407] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 29.083876][ T407] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 29.084210][ T407] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 29.084530][ T407] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 29.084936][ T407] ___sys_sendmsg (net/socket.c:2670) 
[ 29.085261][ T407] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 29.085579][ T407] ? __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) 
[ 29.085970][ T407] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 29.086302][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.086657][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.086986][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.087316][ T407] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 29.087638][ T407] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.087961][ T407] __sys_sendmsg (net/socket.c:2700) 
[ 29.088291][ T407] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 29.088678][ T407] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 29.089017][ T407] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.089348][ T407] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 29.089671][ T407] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   29.090061][  T407] RIP: 0033:0x7f39c54791e7
[ 29.090398][ T407] 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)
[   29.091511][  T407] RSP: 002b:00007fff11ed3008 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.091983][  T407] RAX: ffffffffffffffda RBX: 00007fff11ed3730 RCX: 00007f39c54791e7
[   29.092482][  T407] RDX: 0000000000000000 RSI: 00007fff11ed3070 RDI: 0000000000000005
[   29.092950][  T407] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   29.093438][  T407] R10: 000000003ceea910 R11: 0000000000000246 R12: 0000000000000004
[   29.093906][  T407] R13: 00000000686e1f96 R14: 0000000000499600 R15: 0000000000000000
| [   30.005347][  T415] ------------[ cut here ]------------
| [ 30.005675][ T415] WARNING: CPU: 0 PID: 415 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) 
| [   30.006330][  T415] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   30.007653][  T415] Tainted: [W]=WARN
[   30.007895][  T415] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 30.009410][ T415] 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) 
[ 30.009743][ T415] 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
[   30.010896][  T415] RSP: 0018:ffffc900008d6ef0 EFLAGS: 00010246
[   30.011308][  T415] RAX: 0000000000000000 RBX: ffff88800fd8a000 RCX: 0000000000000001
[   30.011786][  T415] RDX: 0000000000000000 RSI: ffffffff8c09b941 RDI: ffffffff8b8555e0
[   30.012295][  T415] RBP: ffffc900008d6fe0 R08: 0000000000000000 R09: 0000000000000000
[   30.012778][  T415] R10: ffffc900008d7010 R11: ffffffff8c579160 R12: 1ffff9200011ade2
[   30.013263][  T415] R13: 00000000000005dc R14: ffffc900008d7010 R15: ffff88800fd8af08
[   30.013738][  T415] FS:  00007ff5af23d800(0000) GS:ffff8880a80b7000(0000) knlGS:0000000000000000
[   30.014288][  T415] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.014667][  T415] CR2: 00000000004e5ce0 CR3: 0000000004ba8001 CR4: 0000000000772ef0
[   30.015128][  T415] PKRU: 55555554
[   30.015366][  T415] Call Trace:
[   30.015594][  T415]  <TASK>
[ 30.015753][ T415] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 30.016057][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.016392][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.016705][ T415] netif_set_mtu (net/core/dev.c:9652) 
[ 30.017025][ T415] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 30.017376][ T415] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 30.017617][ T415] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 30.018061][ T415] br_add_if (net/bridge/br_if.c:697) bridge 
[ 30.018438][ T415] do_set_master (net/core/rtnetlink.c:2948) 
[ 30.018766][ T415] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 30.019089][ T415] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 30.019507][ T415] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 30.019835][ T415] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 30.020152][ T415] ? __kernel_text_address (kernel/extable.c:79) 
[ 30.020501][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.020809][ T415] ? __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) 
[ 30.021122][ T415] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 30.021511][ T415] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.021816][ T415] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.022143][ T415] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 30.022472][ T415] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 30.022792][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.023109][ T415] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 30.023435][ T415] ? __create_object (mm/kmemleak.c:771) 
[ 30.023756][ T415] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 30.024073][ T415] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 30.024420][ T415] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 30.024817][ T415] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 30.025141][ T415] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 30.025474][ T415] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.025789][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.026113][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.026445][ T415] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 30.026761][ T415] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.027087][ T415] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.027415][ T415] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 30.027734][ T415] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.028059][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.028407][ T415] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 30.028726][ T415] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.029049][ T415] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 30.029396][ T415] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 30.029713][ T415] ? 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) 
[ 30.030034][ T415] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 30.030367][ T415] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 30.030683][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.031006][ T415] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 30.031341][ T415] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 30.031668][ T415] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 30.031998][ T415] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 30.032359][ T415] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 30.032678][ T415] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 30.033084][ T415] ___sys_sendmsg (net/socket.c:2670) 
[ 30.033418][ T415] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 30.033741][ T415] ? __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) 
[ 30.034146][ T415] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 30.034484][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.034811][ T415] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.035139][ T415] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.035471][ T415] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 30.035793][ T415] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.036122][ T415] __sys_sendmsg (net/socket.c:2700) 
[ 30.036466][ T415] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 30.036872][ T415] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 30.037252][ T415] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.037579][ T415] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 30.037906][ T415] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   30.038317][  T415] RIP: 0033:0x7ff5af40a1e7
[ 30.038650][ T415] 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)
[   30.039809][  T415] RSP: 002b:00007ffe95d155d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   30.040317][  T415] RAX: ffffffffffffffda RBX: 00007ffe95d15d00 RCX: 00007ff5af40a1e7
[   30.040801][  T415] RDX: 0000000000000000 RSI: 00007ffe95d15640 RDI: 0000000000000005
[   30.041296][  T415] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   30.041776][  T415] R10: 00000000036c1910 R11: 0000000000000246 R12: 0000000000000004
[   30.042293][  T415] R13: 00000000686e1f97 R14: 0000000000499600 R15: 0000000000000000
| [   30.887972][  T422] ------------[ cut here ]------------
| [ 30.888323][ T422] WARNING: CPU: 1 PID: 422 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) 
| [   30.888959][  T422] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   30.890346][  T422] Tainted: [W]=WARN
[   30.890593][  T422] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 30.890995][ T422] 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) 
[ 30.891335][ T422] 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
[   30.892517][  T422] RSP: 0018:ffffc90000b86ef0 EFLAGS: 00010246
[   30.892931][  T422] RAX: 0000000000000000 RBX: ffff88800fd8a000 RCX: 0000000000000001
[   30.893424][  T422] RDX: 0000000000000000 RSI: ffffffff8c09b941 RDI: ffffffff8b8555e0
[   30.893906][  T422] RBP: ffffc90000b86fe0 R08: 0000000000000000 R09: 0000000000000000
[   30.894448][  T422] R10: ffffc90000b87010 R11: ffffffff8cea8918 R12: 1ffff92000170de2
[   30.894933][  T422] R13: 00000000000005dc R14: ffffc90000b87010 R15: ffff88800fd8af08
[   30.895427][  T422] FS:  00007f404759a800(0000) GS:ffff8880a8137000(0000) knlGS:0000000000000000
[   30.895993][  T422] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.896405][  T422] CR2: 00000000004e5de8 CR3: 000000000e8f4002 CR4: 0000000000772ef0
[   30.896896][  T422] PKRU: 55555554
[   30.897135][  T422] Call Trace:
[   30.897386][  T422]  <TASK>
[ 30.897554][ T422] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 30.897881][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.898256][ T422] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 30.898587][ T422] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 30.898992][ T422] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 30.899335][ T422] netif_set_mtu (net/core/dev.c:9652) 
[ 30.899660][ T422] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 30.899992][ T422] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 30.900450][ T422] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 30.900695][ T422] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 30.901133][ T422] br_add_if (net/bridge/br_if.c:697) bridge 
[ 30.901522][ T422] do_set_master (net/core/rtnetlink.c:2948) 
[ 30.901848][ T422] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 30.902235][ T422] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 30.902662][ T422] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 30.902981][ T422] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 30.903334][ T422] ? __kernel_text_address (kernel/extable.c:79) 
[ 30.903659][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.903995][ T422] ? __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) 
[ 30.904333][ T422] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 30.904735][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.905059][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.905389][ T422] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 30.905710][ T422] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 30.906038][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.906436][ T422] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 30.906760][ T422] ? __create_object (mm/kmemleak.c:771) 
[ 30.907085][ T422] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 30.907421][ T422] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 30.907738][ T422] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 30.908135][ T422] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 30.908470][ T422] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 30.908800][ T422] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.909126][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.909459][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.909777][ T422] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 30.910092][ T422] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.910471][ T422] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.910791][ T422] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 30.911112][ T422] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.911443][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.911774][ T422] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 30.912110][ T422] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.912443][ T422] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 30.912773][ T422] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 30.913091][ T422] ? 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) 
[ 30.913420][ T422] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 30.913743][ T422] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 30.914067][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.914450][ T422] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 30.914781][ T422] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 30.915109][ T422] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 30.915446][ T422] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 30.915765][ T422] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 30.916191][ T422] ___sys_sendmsg (net/socket.c:2670) 
[ 30.916521][ T422] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 30.916842][ T422] ? __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) 
[ 30.917253][ T422] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 30.917581][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.917912][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.918300][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.918626][ T422] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 30.918953][ T422] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.919292][ T422] __sys_sendmsg (net/socket.c:2700) 
[ 30.919610][ T422] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 30.920007][ T422] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 30.920351][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.920674][ T422] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 30.920994][ T422] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   30.921413][  T422] RIP: 0033:0x7f40477671e7
[ 30.921743][ T422] 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)
[   30.922964][  T422] RSP: 002b:00007ffeccfcceb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   30.923464][  T422] RAX: ffffffffffffffda RBX: 00007ffeccfcd5e0 RCX: 00007f40477671e7
[   30.923952][  T422] RDX: 0000000000000000 RSI: 00007ffeccfccf20 RDI: 0000000000000005
[   30.924441][  T422] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   30.924923][  T422] R10: 0000000015a92910 R11: 0000000000000246 R12: 0000000000000004
[   30.925409][  T422] R13: 00000000686e1f98 R14: 0000000000499600 R15: 0000000000000000
| [   35.022508][  T463] ------------[ cut here ]------------
| [ 35.022829][ T463] WARNING: CPU: 1 PID: 463 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   35.023454][  T463] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   35.024757][  T463] Tainted: [W]=WARN
[   35.025008][  T463] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.025399][ T463] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 35.025715][ T463] 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
[   35.026842][  T463] RSP: 0018:ffffc90000d56ef0 EFLAGS: 00010246
[   35.027270][  T463] RAX: 0000000000000000 RBX: ffff888009822000 RCX: 0000000000000001
[   35.027750][  T463] RDX: 0000000000000000 RSI: ffffffff8c09b941 RDI: ffffffff8b8555e0
[   35.028226][  T463] RBP: ffffc90000d56fe0 R08: 0000000000000000 R09: 0000000000000000
[   35.028694][  T463] R10: ffffc90000d57010 R11: ffffffff8c579160 R12: 1ffff920001aade2
[   35.029153][  T463] R13: 00000000000005dc R14: ffffc90000d57010 R15: ffff888009822f08
[   35.029618][  T463] FS:  00007f9de5f7d800(0000) GS:ffff8880a8137000(0000) knlGS:0000000000000000
[   35.030145][  T463] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.030535][  T463] CR2: 00000000004e6898 CR3: 000000000c000001 CR4: 0000000000772ef0
[   35.031010][  T463] PKRU: 55555554
[   35.031255][  T463] Call Trace:
[   35.031488][  T463]  <TASK>
[ 35.031646][ T463] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.031969][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.032303][ T463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.032624][ T463] netif_set_mtu (net/core/dev.c:9652) 
[ 35.032943][ T463] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 35.033274][ T463] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 35.033528][ T463] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 35.033970][ T463] br_add_if (net/bridge/br_if.c:697) bridge 
[ 35.034336][ T463] do_set_master (net/core/rtnetlink.c:2948) 
[ 35.034656][ T463] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.034964][ T463] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.035370][ T463] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.035682][ T463] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.035984][ T463] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.036302][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.036618][ T463] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 35.036937][ T463] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.037325][ T463] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.037630][ T463] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.037931][ T463] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.038279][ T463] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.038602][ T463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.038904][ T463] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.039212][ T463] ? __create_object (mm/kmemleak.c:771) 
[ 35.039517][ T463] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.039837][ T463] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.040149][ T463] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.040542][ T463] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.040866][ T463] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.041204][ T463] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.041512][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.041836][ T463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.042156][ T463] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.042480][ T463] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.042805][ T463] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.043114][ T463] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.043441][ T463] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.043750][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.044060][ T463] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.044387][ T463] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.044704][ T463] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.045020][ T463] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.045343][ T463] ? 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) 
[ 35.045648][ T463] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.045957][ T463] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.046272][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.046581][ T463] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.046887][ T463] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.047218][ T463] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.047537][ T463] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.047856][ T463] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.048157][ T463] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.048573][ T463] ___sys_sendmsg (net/socket.c:2670) 
[ 35.048874][ T463] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.049191][ T463] ? __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) 
[ 35.049572][ T463] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.049886][ T463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.050205][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.050517][ T463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.050821][ T463] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.051123][ T463] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.051447][ T463] __sys_sendmsg (net/socket.c:2700) 
[ 35.051749][ T463] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.052146][ T463] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.052484][ T463] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.052792][ T463] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.053096][ T463] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.053483][  T463] RIP: 0033:0x7f9de614a1e7
[ 35.053811][ T463] 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)
[   35.054951][  T463] RSP: 002b:00007ffc71625eb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.055431][  T463] RAX: ffffffffffffffda RBX: 00007ffc716265e0 RCX: 00007f9de614a1e7
[   35.055888][  T463] RDX: 0000000000000000 RSI: 00007ffc71625f20 RDI: 0000000000000005
[   35.056365][  T463] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   35.056847][  T463] R10: 000000002673d910 R11: 0000000000000246 R12: 0000000000000004
[   35.057333][  T463] R13: 00000000686e1f9c R14: 0000000000499600 R15: 0000000000000000
| [   35.946720][  T471] ------------[ cut here ]------------
| [ 35.947026][ T471] WARNING: CPU: 3 PID: 471 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   35.947642][  T471] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   35.948898][  T471] Tainted: [W]=WARN
[   35.949128][  T471] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.949517][ T471] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 35.949830][ T471] 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
[   35.951131][  T471] RSP: 0018:ffffc90000d96ef0 EFLAGS: 00010246
[   35.951754][  T471] RAX: 0000000000000000 RBX: ffff888009822000 RCX: 0000000000000001
[   35.952366][  T471] RDX: 0000000000000000 RSI: ffffffff8c09b941 RDI: ffffffff8b8555e0
[   35.952825][  T471] RBP: ffffc90000d96fe0 R08: 0000000000000000 R09: 0000000000000000
[   35.953433][  T471] R10: ffffc90000d97010 R11: ffffffff8cea8918 R12: 1ffff920001b2de2
[   35.953890][  T471] R13: 00000000000005dc R14: ffffc90000d97010 R15: ffff888009822f08
[   35.954497][  T471] FS:  00007f9bed8db800(0000) GS:ffff8880a8237000(0000) knlGS:0000000000000000
[   35.955028][  T471] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.955575][  T471] CR2: 00000000004e5ce0 CR3: 000000000d87d005 CR4: 0000000000772ef0
[   35.956038][  T471] PKRU: 55555554
[   35.956413][  T471] Call Trace:
[   35.956641][  T471]  <TASK>
[ 35.956799][ T471] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.957104][ T471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.957424][ T471] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 35.957738][ T471] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 35.958116][ T471] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 35.958429][ T471] netif_set_mtu (net/core/dev.c:9652) 
[ 35.958733][ T471] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 35.959049][ T471] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 35.959488][ T471] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 35.959721][ T471] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 35.960143][ T471] br_add_if (net/bridge/br_if.c:697) bridge 
[ 35.960505][ T471] do_set_master (net/core/rtnetlink.c:2948) 
[ 35.960813][ T471] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.961120][ T471] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.961514][ T471] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.961819][ T471] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.962140][ T471] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.962458][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.962767][ T471] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 35.963071][ T471] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.963458][ T471] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.963766][ T471] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.964070][ T471] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.964408][ T471] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.964712][ T471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.965018][ T471] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.965336][ T471] ? __create_object (mm/kmemleak.c:771) 
[ 35.965649][ T471] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.965955][ T471] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.966268][ T471] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.966648][ T471] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.966964][ T471] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.967285][ T471] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.967589][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.967901][ T471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.968216][ T471] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.968520][ T471] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.968827][ T471] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.969131][ T471] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.969455][ T471] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.969762][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.970070][ T471] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.970384][ T471] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.970687][ T471] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.971001][ T471] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.971315][ T471] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 35.971629][ T471] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.971939][ T471] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.972263][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.972572][ T471] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.972878][ T471] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.973193][ T471] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.973503][ T471] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.973815][ T471] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.974117][ T471] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.974514][ T471] ___sys_sendmsg (net/socket.c:2670) 
[ 35.974815][ T471] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.975116][ T471] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 35.975504][ T471] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.975811][ T471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.976125][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.976446][ T471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.976752][ T471] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.977056][ T471] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.977382][ T471] __sys_sendmsg (net/socket.c:2700) 
[ 35.977691][ T471] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.978066][ T471] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.978399][ T471] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.978705][ T471] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.979015][ T471] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.979399][  T471] RIP: 0033:0x7f9bedaa81e7
[ 35.979714][ T471] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   35.980817][  T471] RSP: 002b:00007ffd54e8f698 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.981285][  T471] RAX: ffffffffffffffda RBX: 00007ffd54e8fdc0 RCX: 00007f9bedaa81e7
[   35.981743][  T471] RDX: 0000000000000000 RSI: 00007ffd54e8f700 RDI: 0000000000000005
[   35.982213][  T471] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   35.982675][  T471] R10: 0000000004cea910 R11: 0000000000000246 R12: 0000000000000004
[   35.983131][  T471] R13: 00000000686e1f9d R14: 0000000000499600 R15: 0000000000000000
| [   36.818773][  T478] ------------[ cut here ]------------
| [ 36.819081][ T478] WARNING: CPU: 3 PID: 478 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) 
| [   36.819696][  T478] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   36.820950][  T478] Tainted: [W]=WARN
[   36.821190][  T478] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.821571][ T478] 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) 
[ 36.821882][ T478] 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
[   36.822989][  T478] RSP: 0018:ffffc90000df6ef0 EFLAGS: 00010246
[   36.823388][  T478] RAX: 0000000000000000 RBX: ffff888009822000 RCX: 0000000000000001
[   36.823843][  T478] RDX: 0000000000000000 RSI: ffffffff8c09b941 RDI: ffffffff8b8555e0
[   36.824309][  T478] RBP: ffffc90000df6fe0 R08: 0000000000000000 R09: 0000000000000000
[   36.824765][  T478] R10: ffffc90000df7010 R11: ffffffff8c579160 R12: 1ffff920001bede2
[   36.825225][  T478] R13: 00000000000005dc R14: ffffc90000df7010 R15: ffff888009822f08
[   36.825677][  T478] FS:  00007f4682c85800(0000) GS:ffff8880a8237000(0000) knlGS:0000000000000000
[   36.826216][  T478] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.826596][  T478] CR2: 00000000004e5de8 CR3: 000000000aefd006 CR4: 0000000000772ef0
[   36.827049][  T478] PKRU: 55555554
[   36.827284][  T478] Call Trace:
[   36.827508][  T478]  <TASK>
[ 36.827665][ T478] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.827970][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.828292][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.828598][ T478] netif_set_mtu (net/core/dev.c:9652) 
[ 36.828900][ T478] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 36.829225][ T478] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 36.829457][ T478] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 36.829881][ T478] br_add_if (net/bridge/br_if.c:697) bridge 
[ 36.830240][ T478] do_set_master (net/core/rtnetlink.c:2948) 
[ 36.830554][ T478] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 36.830860][ T478] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.831258][ T478] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.831562][ T478] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.831862][ T478] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.832185][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.832493][ T478] ? __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) 
[ 36.832801][ T478] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.833186][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.833490][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.833794][ T478] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.834096][ T478] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.834408][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.834711][ T478] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.835010][ T478] ? __create_object (mm/kmemleak.c:771) 
[ 36.835329][ T478] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.835633][ T478] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.835935][ T478] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.836334][ T478] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.836643][ T478] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.836953][ T478] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.837263][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.837575][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.837880][ T478] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.838192][ T478] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.838500][ T478] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.838802][ T478] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.839107][ T478] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.839423][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.839730][ T478] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.840036][ T478] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.840351][ T478] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.840669][ T478] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.840971][ T478] ? 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) 
[ 36.841284][ T478] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.841592][ T478] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.841893][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.842224][ T478] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.842529][ T478] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.842832][ T478] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.843143][ T478] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.843467][ T478] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.843771][ T478] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.844163][ T478] ___sys_sendmsg (net/socket.c:2670) 
[ 36.844482][ T478] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.844786][ T478] ? __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) 
[ 36.845165][ T478] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.845485][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.845790][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.846099][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.846413][ T478] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.846724][ T478] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.847034][ T478] __sys_sendmsg (net/socket.c:2700) 
[ 36.847347][ T478] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.847733][ T478] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.848047][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.848359][ T478] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.848664][ T478] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.849042][  T478] RIP: 0033:0x7f4682e521e7
[ 36.849362][ T478] 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)
[   36.850448][  T478] RSP: 002b:00007fff743e7318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.850906][  T478] RAX: ffffffffffffffda RBX: 00007fff743e7a40 RCX: 00007f4682e521e7
[   36.851377][  T478] RDX: 0000000000000000 RSI: 00007fff743e7380 RDI: 0000000000000005
[   36.851831][  T478] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   36.852299][  T478] R10: 0000000010026910 R11: 0000000000000246 R12: 0000000000000004
[   36.852752][  T478] R13: 00000000686e1f9e R14: 0000000000499600 R15: 0000000000000000
| [   59.105113][  T620] ------------[ cut here ]------------
| [ 59.107304][ T620] WARNING: CPU: 1 PID: 620 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) 
| [   59.108409][  T620] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   59.110671][  T620] Tainted: [W]=WARN
[   59.111080][  T620] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 59.111781][ T620] 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) 
[ 59.112404][ T620] 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
[   59.114357][  T620] RSP: 0018:ffffc90001326f70 EFLAGS: 00010246
[   59.115022][  T620] RAX: 0000000000000000 RBX: ffff88800a452000 RCX: 0000000000000001
[   59.115872][  T620] RDX: 0000000000000000 RSI: ffffffff8c09b941 RDI: ffffffff8b8555e0
[   59.116738][  T620] RBP: ffffc90001327058 R08: 0000000000000000 R09: 0000000000000000
[   59.117578][  T620] R10: ffffc90001327088 R11: ffffffff88400130 R12: 1ffff92000264df2
[   59.118419][  T620] R13: 00000000000005dc R14: ffffc90001327088 R15: ffff88800a452f08
[   59.119265][  T620] FS:  00007f14d4af2800(0000) GS:ffff8880a8137000(0000) knlGS:0000000000000000
[   59.120243][  T620] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.120950][  T620] CR2: 00000000004e5ab0 CR3: 000000000db91006 CR4: 0000000000772ef0
[   59.121796][  T620] PKRU: 55555554
[   59.122228][  T620] Call Trace:
[   59.122629][  T620]  <TASK>
[ 59.122903][ T620] ? __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) 
[ 59.123581][ T620] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 59.124239][ T620] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 59.124777][ T620] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 59.125339][ T620] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 59.125886][ T620] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 59.126450][ T620] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 59.126991][ T620] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 59.127549][ T620] ? ___sys_sendmsg (net/socket.c:2670) 
[ 59.128101][ T620] ? __sys_sendmsg (net/socket.c:2700) 
[ 59.128668][ T620] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 59.129223][ T620] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 59.129896][ T620] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.130458][ T620] netif_set_mtu (net/core/dev.c:9652) 
[ 59.130991][ T620] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 59.131570][ T620] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 59.131977][ T620] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 59.132793][ T620] br_del_if (net/bridge/br_if.c:743) bridge 
[ 59.133427][ T620] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 59.133980][ T620] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 59.134551][ T620] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 59.135113][ T620] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 59.135810][ T620] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 59.136375][ T620] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 59.136938][ T620] ? __kernel_text_address (kernel/extable.c:79) 
[ 59.137510][ T620] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.138057][ T620] ? __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) 
[ 59.138606][ T620] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 59.139288][ T620] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 59.139847][ T620] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 59.140427][ T620] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 59.140982][ T620] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 59.141540][ T620] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.142084][ T620] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 59.142627][ T620] ? __create_object (mm/kmemleak.c:771) 
[ 59.143188][ T620] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 59.143749][ T620] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 59.144330][ T620] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 59.145009][ T620] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 59.145587][ T620] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 59.146130][ T620] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 59.146669][ T620] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.147246][ T620] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.147802][ T620] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 59.148380][ T620] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 59.148935][ T620] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 59.149499][ T620] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 59.150041][ T620] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 59.150602][ T620] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.151156][ T620] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 59.151726][ T620] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 59.152327][ T620] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 59.152905][ T620] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 59.153463][ T620] ? 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) 
[ 59.154005][ T620] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 59.154575][ T620] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 59.155129][ T620] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.155806][ T620] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 59.156392][ T620] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 59.156940][ T620] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 59.157533][ T620] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 59.158107][ T620] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 59.158669][ T620] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 59.159376][ T620] ___sys_sendmsg (net/socket.c:2670) 
[ 59.159939][ T620] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 59.160537][ T620] ? __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) 
[ 59.161266][ T620] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 59.161827][ T620] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.162432][ T620] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.163011][ T620] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.163594][ T620] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 59.164148][ T620] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 59.164758][ T620] __sys_sendmsg (net/socket.c:2700) 
[ 59.165340][ T620] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 59.166024][ T620] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 59.166621][ T620] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 59.167166][ T620] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 59.167730][ T620] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   59.168447][  T620] RIP: 0033:0x7f14d4cbf1e7
[ 59.169024][ T620] 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)
[   59.171057][  T620] RSP: 002b:00007ffe075fdbb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   59.171924][  T620] RAX: ffffffffffffffda RBX: 00007ffe075fe2e0 RCX: 00007f14d4cbf1e7
[   59.172823][  T620] RDX: 0000000000000000 RSI: 00007ffe075fdc20 RDI: 0000000000000005
[   59.173663][  T620] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   59.174509][  T620] R10: 00007f14d4bbcee8 R11: 0000000000000246 R12: 0000000000000003
[   59.175338][  T620] R13: 00000000686e1fb4 R14: 0000000000499600 R15: 0000000000000000
| [   59.611937][  T624] ------------[ cut here ]------------
| [ 59.613288][ T624] WARNING: CPU: 3 PID: 624 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) 
| [   59.613947][  T624] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   59.615252][  T624] Tainted: [W]=WARN
[   59.615484][  T624] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 59.615867][ T624] 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) 
[ 59.616191][ T624] 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
[   59.617283][  T624] RSP: 0018:ffffc90001356f70 EFLAGS: 00010246
[   59.617667][  T624] RAX: 0000000000000000 RBX: ffff88800a452000 RCX: 0000000000000001
[   59.618123][  T624] RDX: 0000000000000000 RSI: ffffffff8c09b941 RDI: ffffffff8b8555e0
[   59.618609][  T624] RBP: ffffc90001357058 R08: 0000000000000000 R09: 0000000000000000
[   59.619084][  T624] R10: ffffc90001357088 R11: ffffffff8c579160 R12: 1ffff9200026adf2
[   59.619570][  T624] R13: 00000000000005dc R14: ffffc90001357088 R15: ffff88800a452f08
[   59.620041][  T624] FS:  00007f0c9f62b800(0000) GS:ffff8880a8237000(0000) knlGS:0000000000000000
[   59.620579][  T624] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.620960][  T624] CR2: 00000000004e5aa8 CR3: 0000000009616006 CR4: 0000000000772ef0
[   59.621427][  T624] PKRU: 55555554
[   59.621690][  T624] Call Trace:
[   59.621922][  T624]  <TASK>
[ 59.622082][ T624] ? __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) 
[ 59.622476][ T624] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 59.622826][ T624] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 59.623686][ T624] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 59.624019][ T624] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 59.624358][ T624] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 59.624700][ T624] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 59.625037][ T624] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 59.625381][ T624] ? ___sys_sendmsg (net/socket.c:2670) 
[ 59.625714][ T624] ? __sys_sendmsg (net/socket.c:2700) 
[ 59.626047][ T624] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 59.626389][ T624] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 59.626805][ T624] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.627149][ T624] netif_set_mtu (net/core/dev.c:9652) 
[ 59.627490][ T624] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 59.627889][ T624] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 59.628146][ T624] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 59.628618][ T624] br_del_if (net/bridge/br_if.c:743) bridge 
[ 59.628991][ T624] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 59.629338][ T624] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 59.629680][ T624] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 59.630041][ T624] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 59.630461][ T624] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 59.630780][ T624] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 59.631099][ T624] ? __kernel_text_address (kernel/extable.c:79) 
[ 59.631432][ T624] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.631794][ T624] ? __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) 
[ 59.632125][ T624] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 59.632530][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 59.632856][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 59.633179][ T624] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 59.633500][ T624] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 59.633819][ T624] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.634138][ T624] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 59.634462][ T624] ? __create_object (mm/kmemleak.c:771) 
[ 59.634783][ T624] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 59.635279][ T624] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 59.635626][ T624] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 59.636008][ T624] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 59.636329][ T624] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 59.636642][ T624] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 59.636944][ T624] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.637265][ T624] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.637571][ T624] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 59.637879][ T624] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 59.638193][ T624] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 59.638496][ T624] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 59.638800][ T624] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 59.639107][ T624] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.639426][ T624] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 59.639849][ T624] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 59.640345][ T624] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 59.640882][ T624] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 59.641410][ T624] ? 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) 
[ 59.641951][ T624] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 59.642558][ T624] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 59.643088][ T624] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.643663][ T624] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 59.644259][ T624] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 59.644818][ T624] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 59.645423][ T624] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 59.645976][ T624] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 59.646534][ T624] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 59.647196][ T624] ___sys_sendmsg (net/socket.c:2670) 
[ 59.647671][ T624] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 59.647975][ T624] ? __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) 
[ 59.648379][ T624] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 59.649051][ T624] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.649373][ T624] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.649696][ T624] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.650032][ T624] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 59.650345][ T624] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 59.650670][ T624] __sys_sendmsg (net/socket.c:2700) 
[ 59.650978][ T624] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 59.651364][ T624] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 59.651705][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 59.652010][ T624] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 59.652337][ T624] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   59.652727][  T624] RIP: 0033:0x7f0c9f7f81e7
[ 59.653047][ T624] 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)
[   59.654177][  T624] RSP: 002b:00007ffe1a63dc28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   59.654774][  T624] RAX: ffffffffffffffda RBX: 00007ffe1a63e350 RCX: 00007f0c9f7f81e7
[   59.655249][  T624] RDX: 0000000000000000 RSI: 00007ffe1a63dc90 RDI: 0000000000000005
[   59.655719][  T624] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   59.656201][  T624] R10: 00007f0c9f6f5ee8 R11: 0000000000000246 R12: 0000000000000003
[   59.656672][  T624] R13: 00000000686e1fb5 R14: 0000000000499600 R15: 0000000000000000
| [   59.921382][  T626] ------------[ cut here ]------------
| [ 59.921706][ T626] WARNING: CPU: 1 PID: 626 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) 
| [   59.923968][  T626] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   59.925517][  T626] Tainted: [W]=WARN
[   59.925748][  T626] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 59.926129][ T626] 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) 
[ 59.926509][ T626] 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
[   59.927634][  T626] RSP: 0018:ffffc90001376f70 EFLAGS: 00010246
[   59.928021][  T626] RAX: 0000000000000000 RBX: ffff88800a452000 RCX: 0000000000000001
[   59.928485][  T626] RDX: 0000000000000000 RSI: ffffffff8c09b941 RDI: ffffffff8b8555e0
[   59.928936][  T626] RBP: ffffc90001377058 R08: 0000000000000000 R09: 0000000000000000
[   59.929398][  T626] R10: ffffc90001377088 R11: ffffffff8c579160 R12: 1ffff9200026edf2
[   59.929856][  T626] R13: 00000000000005dc R14: ffffc90001377088 R15: ffff88800a452f08
[   59.930356][  T626] FS:  00007fd6698c1800(0000) GS:ffff8880a8137000(0000) knlGS:0000000000000000
[   59.930912][  T626] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.931323][  T626] CR2: 00000000004e5de8 CR3: 000000000bb6c004 CR4: 0000000000772ef0
[   59.931784][  T626] PKRU: 55555554
[   59.932013][  T626] Call Trace:
[   59.932297][  T626]  <TASK>
[ 59.932453][ T626] ? __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) 
[ 59.932853][ T626] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 59.933241][ T626] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 59.933550][ T626] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 59.933855][ T626] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 59.934197][ T626] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 59.934507][ T626] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 59.934809][ T626] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 59.935117][ T626] ? ___sys_sendmsg (net/socket.c:2670) 
[ 59.935491][ T626] ? __sys_sendmsg (net/socket.c:2700) 
[ 59.935797][ T626] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 59.936132][ T626] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 59.936529][ T626] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.936847][ T626] netif_set_mtu (net/core/dev.c:9652) 
[ 59.937202][ T626] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 59.937526][ T626] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 59.937759][ T626] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 59.938214][ T626] br_del_if (net/bridge/br_if.c:743) bridge 
[ 59.938577][ T626] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 59.938914][ T626] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 59.939238][ T626] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 59.939570][ T626] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 59.939957][ T626] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 59.940294][ T626] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 59.940599][ T626] ? __kernel_text_address (kernel/extable.c:79) 
[ 59.940923][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.941241][ T626] ? __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) 
[ 59.941570][ T626] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 59.941950][ T626] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 59.942313][ T626] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 59.942618][ T626] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 59.942942][ T626] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 59.943261][ T626] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.943580][ T626] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 59.943903][ T626] ? __create_object (mm/kmemleak.c:771) 
[ 59.944230][ T626] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 59.944541][ T626] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 59.944849][ T626] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 59.945280][ T626] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 59.945599][ T626] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 59.945932][ T626] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 59.946260][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.946592][ T626] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.946902][ T626] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 59.947215][ T626] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 59.947540][ T626] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 59.947856][ T626] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 59.948207][ T626] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 59.948517][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.948849][ T626] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 59.949162][ T626] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 59.949500][ T626] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 59.949818][ T626] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 59.950121][ T626] ? 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) 
[ 59.950435][ T626] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 59.950745][ T626] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 59.951055][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.951381][ T626] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 59.951689][ T626] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 59.951994][ T626] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 59.952335][ T626] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 59.952644][ T626] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 59.952949][ T626] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 59.953348][ T626] ___sys_sendmsg (net/socket.c:2670) 
[ 59.953657][ T626] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 59.953962][ T626] ? __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) 
[ 59.954349][ T626] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 59.954655][ T626] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.954963][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 59.955285][ T626] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 59.955590][ T626] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 59.955899][ T626] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 59.956224][ T626] __sys_sendmsg (net/socket.c:2700) 
[ 59.956529][ T626] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 59.956906][ T626] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 59.957238][ T626] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 59.957546][ T626] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 59.957854][ T626] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   59.958243][  T626] RIP: 0033:0x7fd669a8e1e7
[ 59.958557][ T626] 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)
[   59.959650][  T626] RSP: 002b:00007fff5e2d08e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   59.960109][  T626] RAX: ffffffffffffffda RBX: 00007fff5e2d1010 RCX: 00007fd669a8e1e7
[   59.960583][  T626] RDX: 0000000000000000 RSI: 00007fff5e2d0950 RDI: 0000000000000005
[   59.961037][  T626] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   59.961502][  T626] R10: 00007fd66998bee8 R11: 0000000000000246 R12: 0000000000000003
[   59.961959][  T626] R13: 00000000686e1fb5 R14: 0000000000499600 R15: 0000000000000000
| [   60.478845][  T630] ------------[ cut here ]------------
| [ 60.480111][ T630] WARNING: CPU: 2 PID: 630 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) 
| [   60.480743][  T630] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   60.482165][  T630] Tainted: [W]=WARN
[   60.482423][  T630] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 60.482822][ T630] 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) 
[ 60.483149][ T630] 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
[   60.484248][  T630] RSP: 0018:ffffc90001386f70 EFLAGS: 00010246
[   60.484642][  T630] RAX: 0000000000000000 RBX: ffff88800a452000 RCX: 0000000000000001
[   60.485117][  T630] RDX: 0000000000000000 RSI: ffffffff8c09b941 RDI: ffffffff8b8555e0
[   60.485592][  T630] RBP: ffffc90001387058 R08: 0000000000000000 R09: 0000000000000000
[   60.486056][  T630] R10: ffffc90001387088 R11: ffffffff8c579160 R12: 1ffff92000270df2
[   60.486538][  T630] R13: 00000000000005dc R14: ffffc90001387088 R15: ffff88800a452f08
[   60.487033][  T630] FS:  00007ff84c921800(0000) GS:ffff8880a81b7000(0000) knlGS:0000000000000000
[   60.487586][  T630] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   60.487985][  T630] CR2: 00000000004e5ce0 CR3: 0000000009c24002 CR4: 0000000000772ef0
[   60.488462][  T630] PKRU: 55555554
[   60.488703][  T630] Call Trace:
[   60.488942][  T630]  <TASK>
[ 60.489114][ T630] ? __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) 
[ 60.489514][ T630] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 60.489900][ T630] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 60.490227][ T630] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 60.490544][ T630] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 60.490857][ T630] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 60.491182][ T630] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 60.491504][ T630] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 60.491822][ T630] ? ___sys_sendmsg (net/socket.c:2670) 
[ 60.492151][ T630] ? __sys_sendmsg (net/socket.c:2700) 
[ 60.492475][ T630] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 60.492791][ T630] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 60.493185][ T630] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.493535][ T630] netif_set_mtu (net/core/dev.c:9652) 
[ 60.493850][ T630] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 60.494199][ T630] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 60.494448][ T630] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 60.494884][ T630] br_del_if (net/bridge/br_if.c:743) bridge 
[ 60.495250][ T630] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 60.495568][ T630] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 60.495897][ T630] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 60.496227][ T630] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 60.496631][ T630] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 60.496950][ T630] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 60.497295][ T630] ? __kernel_text_address (kernel/extable.c:79) 
[ 60.497617][ T630] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.497935][ T630] ? __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) 
[ 60.498261][ T630] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 60.498647][ T630] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.498999][ T630] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.499338][ T630] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 60.499658][ T630] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 60.499971][ T630] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.500296][ T630] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 60.500607][ T630] ? __create_object (mm/kmemleak.c:771) 
[ 60.500930][ T630] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 60.501256][ T630] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 60.501605][ T630] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 60.502008][ T630] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 60.502362][ T630] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 60.502687][ T630] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 60.503004][ T630] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.503337][ T630] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.503655][ T630] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 60.503991][ T630] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 60.504326][ T630] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 60.504639][ T630] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 60.504955][ T630] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 60.505299][ T630] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.505621][ T630] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 60.505936][ T630] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 60.506262][ T630] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 60.506597][ T630] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 60.506914][ T630] ? 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) 
[ 60.507243][ T630] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 60.507564][ T630] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 60.507879][ T630] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.508213][ T630] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 60.508534][ T630] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 60.508864][ T630] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 60.509199][ T630] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 60.509520][ T630] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 60.509838][ T630] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 60.510251][ T630] ___sys_sendmsg (net/socket.c:2670) 
[ 60.510567][ T630] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 60.510885][ T630] ? __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) 
[ 60.511317][ T630] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 60.511653][ T630] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.511971][ T630] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.512315][ T630] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.512632][ T630] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 60.512945][ T630] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 60.513277][ T630] __sys_sendmsg (net/socket.c:2700) 
[ 60.513591][ T630] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 60.513986][ T630] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 60.514323][ T630] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.514676][ T630] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 60.514994][ T630] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   60.515390][  T630] RIP: 0033:0x7ff84caee1e7
[ 60.515714][ T630] 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)
[   60.516820][  T630] RSP: 002b:00007ffd37a33ab8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   60.517330][  T630] RAX: ffffffffffffffda RBX: 00007ffd37a341e0 RCX: 00007ff84caee1e7
[   60.517827][  T630] RDX: 0000000000000000 RSI: 00007ffd37a33b20 RDI: 0000000000000005
[   60.518330][  T630] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   60.518797][  T630] R10: 00007ff84c9ebee8 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