======================================
| [   21.400075][  T328] br1: port 1(vx10) entered forwarding state
| [   21.401420][  T328] ------------[ cut here ]------------
| [ 21.401777][ T328] WARNING: CPU: 0 PID: 328 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   21.402600][  T328] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
[   21.404422][  T328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.404885][ T328] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 21.405265][ T328] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   21.406549][  T328] RSP: 0018:ffffc900005d6ef0 EFLAGS: 00010246
[   21.407016][  T328] RAX: 0000000000000000 RBX: ffff88800941a000 RCX: 0000000000000001
[   21.407562][  T328] RDX: 0000000000000000 RSI: ffffffff8809b939 RDI: ffffffff878555e0
[   21.408102][  T328] RBP: ffffc900005d6fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.408649][  T328] R10: ffffc900005d7010 R11: ffffffff88ea8918 R12: 1ffff920000bade2
[   21.409187][  T328] R13: 00000000000005dc R14: ffffc900005d7010 R15: ffff88800941af08
[   21.409726][  T328] FS:  00007f3624dc9800(0000) GS:ffff8880ac0b7000(0000) knlGS:0000000000000000
[   21.410366][  T328] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.410832][  T328] CR2: 00000000004e5ce0 CR3: 000000000b731006 CR4: 0000000000772ef0
[   21.411385][  T328] PKRU: 55555554
[   21.411651][  T328] Call Trace:
[   21.411933][  T328]  <TASK>
[ 21.412129][ T328] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.412494][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.412862][ T328] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.413240][ T328] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.413679][ T328] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.414047][ T328] netif_set_mtu (net/core/dev.c:9652) 
[ 21.414406][ T328] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.414767][ T328] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.415283][ T328] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.415551][ T328] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.416064][ T328] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.416467][ T328] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 21.416835][ T328] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.417192][ T328] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.417630][ T328] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.417991][ T328] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.418351][ T328] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.418700][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.419085][ T328] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 21.419437][ T328] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.419881][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.420231][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.420574][ T328] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.420935][ T328] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.421306][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.421652][ T328] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.422006][ T328] ? __create_object (mm/kmemleak.c:771) 
[ 21.422365][ T328] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.422710][ T328] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.423076][ T328] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.423521][ T328] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.423892][ T328] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.424246][ T328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.424588][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.424948][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.425298][ T328] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.425677][ T328] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.426131][ T328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.426442][ T328] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.426762][ T328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.427087][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.427463][ T328] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.427826][ T328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.428179][ T328] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.428539][ T328] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.428922][ T328] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 21.429284][ T328] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 21.429905][ T328] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.430253][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.430840][ T328] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.431203][ T328] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.431551][ T328] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.432177][ T328] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.432796][ T328] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.433638][ T328] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.434105][ T328] ___sys_sendmsg (net/socket.c:2670) 
[ 21.434482][ T328] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.434842][ T328] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 21.435288][ T328] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.435646][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.436024][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.436390][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.436757][ T328] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.437126][ T328] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.437494][ T328] __sys_sendmsg (net/socket.c:2700) 
[ 21.437858][ T328] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.438313][ T328] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.439156][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.439530][ T328] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.439892][ T328] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.440326][  T328] RIP: 0033:0x7f3624f961e7
[ 21.441406][ T328] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   21.442681][  T328] RSP: 002b:00007ffeb579e358 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.443246][  T328] RAX: ffffffffffffffda RBX: 00007ffeb579ea80 RCX: 00007f3624f961e7
[   21.443776][  T328] RDX: 0000000000000000 RSI: 00007ffeb579e3c0 RDI: 0000000000000005
[   21.444325][  T328] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.445087][  T328] R10: 000000002d07e910 R11: 0000000000000246 R12: 0000000000000004
[   21.445618][  T328] R13: 00000000686e662c R14: 0000000000499600 R15: 0000000000000000
| [   21.933000][  T333] ------------[ cut here ]------------
| [ 21.933355][ T333] WARNING: CPU: 2 PID: 333 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   21.935060][  T333] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   21.936391][  T333] Tainted: [W]=WARN
[   21.936651][  T333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.937074][ T333] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 21.937420][ T333] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   21.938578][  T333] RSP: 0018:ffffc90000596ef0 EFLAGS: 00010246
[   21.939006][  T333] RAX: 0000000000000000 RBX: ffff88800941a000 RCX: 0000000000000001
[   21.939500][  T333] RDX: 0000000000000000 RSI: ffffffff8809b939 RDI: ffffffff878555e0
[   21.940009][  T333] RBP: ffffc90000596fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.940495][  T333] R10: ffffc90000597010 R11: ffffffff88ea8918 R12: 1ffff920000b2de2
[   21.940995][  T333] R13: 00000000000005dc R14: ffffc90000597010 R15: ffff88800941af08
[   21.941485][  T333] FS:  00007f39d1a63800(0000) GS:ffff8880ac1b7000(0000) knlGS:0000000000000000
[   21.942069][  T333] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.942496][  T333] CR2: 00000000004e5de8 CR3: 0000000009993001 CR4: 0000000000772ef0
[   21.943002][  T333] PKRU: 55555554
[   21.943264][  T333] Call Trace:
[   21.943517][  T333]  <TASK>
[ 21.943695][ T333] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.944040][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.944384][ T333] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.944715][ T333] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.945149][ T333] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.945490][ T333] netif_set_mtu (net/core/dev.c:9652) 
[ 21.945839][ T333] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.946189][ T333] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.946664][ T333] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.946934][ T333] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.947394][ T333] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.947783][ T333] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 21.948142][ T333] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.948485][ T333] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.948921][ T333] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.949258][ T333] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.949594][ T333] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.949945][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.950294][ T333] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 21.950630][ T333] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.951056][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.951394][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.951733][ T333] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.952090][ T333] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.952429][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.952771][ T333] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.953130][ T333] ? __create_object (mm/kmemleak.c:771) 
[ 21.953466][ T333] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.953815][ T333] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.954156][ T333] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.954576][ T333] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.954928][ T333] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.955266][ T333] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.955604][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.955969][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.956306][ T333] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.956639][ T333] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.957003][ T333] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.957341][ T333] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.957679][ T333] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.958041][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.958383][ T333] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.958722][ T333] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.959085][ T333] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.959440][ T333] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.959775][ T333] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 21.960131][ T333] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 21.960482][ T333] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.960828][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.961171][ T333] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.961511][ T333] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.961860][ T333] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.962219][ T333] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.962560][ T333] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.962920][ T333] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.963367][ T333] ___sys_sendmsg (net/socket.c:2670) 
[ 21.963702][ T333] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.964053][ T333] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 21.964487][ T333] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.964853][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.965196][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.965537][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.965887][ T333] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.966225][ T333] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.966569][ T333] __sys_sendmsg (net/socket.c:2700) 
[ 21.966928][ T333] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.967346][ T333] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.967696][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.968059][ T333] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.968402][ T333] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.968825][  T333] RIP: 0033:0x7f39d1c301e7
[ 21.969174][ T333] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   21.970368][  T333] RSP: 002b:00007fffb218bc48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.970887][  T333] RAX: ffffffffffffffda RBX: 00007fffb218c370 RCX: 00007f39d1c301e7
[   21.971396][  T333] RDX: 0000000000000000 RSI: 00007fffb218bcb0 RDI: 0000000000000005
[   21.971907][  T333] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.972404][  T333] R10: 000000000fa05910 R11: 0000000000000246 R12: 0000000000000004
[   21.972913][  T333] R13: 00000000686e662c R14: 0000000000499600 R15: 0000000000000000
| [   22.212244][  T335] ------------[ cut here ]------------
| [ 22.212611][ T335] WARNING: CPU: 0 PID: 335 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   22.213319][  T335] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   22.214895][  T335] Tainted: [W]=WARN
[   22.215160][  T335] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.215591][ T335] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 22.215961][ T335] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   22.217207][  T335] RSP: 0018:ffffc90000616ef0 EFLAGS: 00010246
[   22.217647][  T335] RAX: 0000000000000000 RBX: ffff88800941a000 RCX: 0000000000000001
[   22.218175][  T335] RDX: 0000000000000000 RSI: ffffffff8809b939 RDI: ffffffff878555e0
[   22.218696][  T335] RBP: ffffc90000616fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.219231][  T335] R10: ffffc90000617010 R11: ffffffff88ea8918 R12: 1ffff920000c2de2
[   22.219751][  T335] R13: 00000000000005dc R14: ffffc90000617010 R15: ffff88800941af08
[   22.220280][  T335] FS:  00007f33e39f1800(0000) GS:ffff8880ac0b7000(0000) knlGS:0000000000000000
[   22.220895][  T335] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.221338][  T335] CR2: 00000000004e5aa8 CR3: 0000000002a8a001 CR4: 0000000000772ef0
[   22.221864][  T335] PKRU: 55555554
[   22.222123][  T335] Call Trace:
[   22.222381][  T335]  <TASK>
[ 22.222559][ T335] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.222919][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.223290][ T335] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.223642][ T335] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.224082][ T335] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.224431][ T335] netif_set_mtu (net/core/dev.c:9652) 
[ 22.224776][ T335] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.225147][ T335] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.225628][ T335] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.225902][ T335] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.226381][ T335] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.226774][ T335] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 22.227138][ T335] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.227495][ T335] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.227945][ T335] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.228292][ T335] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.228635][ T335] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.229007][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.229356][ T335] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 22.229705][ T335] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.230142][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.230488][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.230838][ T335] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.231183][ T335] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.231534][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.231887][ T335] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.232234][ T335] ? __create_object (mm/kmemleak.c:771) 
[ 22.232577][ T335] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.232949][ T335] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.233307][ T335] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.233735][ T335] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.234104][ T335] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.234459][ T335] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.234802][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.235169][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.235514][ T335] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.235872][ T335] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.236217][ T335] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.236563][ T335] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.236925][ T335] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.237271][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.237619][ T335] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.237985][ T335] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.238334][ T335] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.238688][ T335] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.239044][ T335] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 22.239401][ T335] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 22.239747][ T335] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.240100][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.240449][ T335] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.240796][ T335] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.241153][ T335] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.241506][ T335] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.241862][ T335] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.242210][ T335] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.242645][ T335] ___sys_sendmsg (net/socket.c:2670) 
[ 22.242996][ T335] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.243360][ T335] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 22.243792][ T335] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.244152][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.244507][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.244865][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.245211][ T335] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.245555][ T335] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.245920][ T335] __sys_sendmsg (net/socket.c:2700) 
[ 22.246263][ T335] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.246689][ T335] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.247055][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.247410][ T335] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.247754][ T335] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.248194][  T335] RIP: 0033:0x7f33e3bbe1e7
[ 22.248553][ T335] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   22.249802][  T335] RSP: 002b:00007ffc763ec668 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.250338][  T335] RAX: ffffffffffffffda RBX: 00007ffc763ecd90 RCX: 00007f33e3bbe1e7
[   22.250863][  T335] RDX: 0000000000000000 RSI: 00007ffc763ec6d0 RDI: 0000000000000005
[   22.251378][  T335] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.251907][  T335] R10: 00000000354ec910 R11: 0000000000000246 R12: 0000000000000004
[   22.252421][  T335] R13: 00000000686e662c R14: 0000000000499600 R15: 0000000000000000
| [   22.603928][  T338] ------------[ cut here ]------------
| [ 22.604293][ T338] WARNING: CPU: 0 PID: 338 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   22.605006][  T338] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   22.606349][  T338] Tainted: [W]=WARN
[   22.606614][  T338] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.607058][ T338] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 22.607419][ T338] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   22.608672][  T338] RSP: 0018:ffffc90000686ef0 EFLAGS: 00010246
[   22.609135][  T338] RAX: 0000000000000000 RBX: ffff88800941a000 RCX: 0000000000000001
[   22.609657][  T338] RDX: 0000000000000000 RSI: ffffffff8809b939 RDI: ffffffff878555e0
[   22.610185][  T338] RBP: ffffc90000686fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.610703][  T338] R10: ffffc90000687010 R11: ffffffff88ea8918 R12: 1ffff920000d0de2
[   22.611259][  T338] R13: 00000000000005dc R14: ffffc90000687010 R15: ffff88800941af08
[   22.611777][  T338] FS:  00007f7d8c9e0800(0000) GS:ffff8880ac0b7000(0000) knlGS:0000000000000000
[   22.612393][  T338] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.612855][  T338] CR2: 00000000004e5ab0 CR3: 0000000008ef3004 CR4: 0000000000772ef0
[   22.613429][  T338] PKRU: 55555554
[   22.613691][  T338] Call Trace:
[   22.613965][  T338]  <TASK>
[ 22.614146][ T338] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.614495][ T338] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.614855][ T338] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.615204][ T338] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.615637][ T338] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.616003][ T338] netif_set_mtu (net/core/dev.c:9652) 
[ 22.616355][ T338] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.616712][ T338] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.617219][ T338] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.617487][ T338] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.617973][ T338] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.618369][ T338] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 22.618732][ T338] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.619095][ T338] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.619541][ T338] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.619896][ T338] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.620243][ T338] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.620594][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.620968][ T338] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 22.621328][ T338] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.621754][ T338] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.622115][ T338] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.622462][ T338] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.622823][ T338] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.623193][ T338] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.623541][ T338] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.623909][ T338] ? __create_object (mm/kmemleak.c:771) 
[ 22.624264][ T338] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.624613][ T338] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.624979][ T338] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.625415][ T338] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.625768][ T338] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.626133][ T338] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.626480][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.626872][ T338] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.627225][ T338] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.627569][ T338] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.627931][ T338] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.628278][ T338] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.628625][ T338] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.628986][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.629350][ T338] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.629723][ T338] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.630085][ T338] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.630444][ T338] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.630788][ T338] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 22.631147][ T338] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 22.631496][ T338] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.631864][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.632219][ T338] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.632570][ T338] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.632927][ T338] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.633295][ T338] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.633646][ T338] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.634002][ T338] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.634454][ T338] ___sys_sendmsg (net/socket.c:2670) 
[ 22.634799][ T338] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.635164][ T338] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 22.635600][ T338] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.635964][ T338] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.636318][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.636669][ T338] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.637025][ T338] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.637379][ T338] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.637735][ T338] __sys_sendmsg (net/socket.c:2700) 
[ 22.638090][ T338] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.638520][ T338] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.638887][ T338] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.639238][ T338] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.639587][ T338] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.640038][  T338] RIP: 0033:0x7f7d8cbad1e7
[ 22.640398][ T338] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   22.641641][  T338] RSP: 002b:00007ffd64ec1968 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.642183][  T338] RAX: ffffffffffffffda RBX: 00007ffd64ec2090 RCX: 00007f7d8cbad1e7
[   22.642703][  T338] RDX: 0000000000000000 RSI: 00007ffd64ec19d0 RDI: 0000000000000005
[   22.643239][  T338] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.643759][  T338] R10: 0000000004020910 R11: 0000000000000246 R12: 0000000000000004
[   22.644290][  T338] R13: 00000000686e662d R14: 0000000000499600 R15: 0000000000000000
| [   32.047422][  T430] ------------[ cut here ]------------
| [ 32.047781][ T430] WARNING: CPU: 2 PID: 430 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   32.048423][  T430] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   32.049789][  T430] Tainted: [W]=WARN
[   32.050050][  T430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 32.050462][ T430] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 32.050801][ T430] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   32.052118][  T430] RSP: 0018:ffffc90000a16ef0 EFLAGS: 00010246
[   32.052520][  T430] RAX: 0000000000000000 RBX: ffff88800b9f2000 RCX: 0000000000000001
[   32.053020][  T430] RDX: 0000000000000000 RSI: ffffffff8809b939 RDI: ffffffff878555e0
[   32.053503][  T430] RBP: ffffc90000a16fe0 R08: 0000000000000000 R09: 0000000000000000
[   32.053982][  T430] R10: ffffc90000a17010 R11: ffffffff88579160 R12: 1ffff92000142de2
[   32.054452][  T430] R13: 00000000000005dc R14: ffffc90000a17010 R15: ffff88800b9f2f08
[   32.054934][  T430] FS:  00007f577755d800(0000) GS:ffff8880ac1b7000(0000) knlGS:0000000000000000
[   32.055510][  T430] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.055919][  T430] CR2: 00000000004e5ce0 CR3: 000000000f3e6004 CR4: 0000000000772ef0
[   32.056392][  T430] PKRU: 55555554
[   32.056634][  T430] Call Trace:
[   32.056892][  T430]  <TASK>
[ 32.057063][ T430] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 32.057414][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.057749][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.058081][ T430] netif_set_mtu (net/core/dev.c:9652) 
[ 32.058418][ T430] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 32.058752][ T430] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 32.059023][ T430] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 32.059482][ T430] br_add_if (net/bridge/br_if.c:697) bridge 
[ 32.059878][ T430] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 32.060215][ T430] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 32.060555][ T430] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 32.060982][ T430] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 32.061303][ T430] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 32.061623][ T430] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.061959][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.062287][ T430] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 32.062606][ T430] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 32.063005][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.063338][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.063651][ T430] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 32.063975][ T430] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 32.064291][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.064614][ T430] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 32.064942][ T430] ? __create_object (mm/kmemleak.c:771) 
[ 32.065262][ T430] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 32.065580][ T430] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 32.065906][ T430] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 32.066294][ T430] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 32.066615][ T430] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 32.066947][ T430] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.067271][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.067593][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.067918][ T430] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 32.068229][ T430] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.068545][ T430] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.068884][ T430] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 32.069203][ T430] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.069529][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.069864][ T430] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 32.070184][ T430] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.070503][ T430] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 32.070863][ T430] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 32.071181][ T430] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 32.071500][ T430] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 32.071847][ T430] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 32.072172][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.072497][ T430] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 32.072839][ T430] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 32.073179][ T430] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 32.073515][ T430] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 32.073853][ T430] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 32.074174][ T430] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 32.074581][ T430] ___sys_sendmsg (net/socket.c:2670) 
[ 32.074913][ T430] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 32.075228][ T430] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 32.075622][ T430] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 32.075961][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.076286][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.076609][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.076946][ T430] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 32.077261][ T430] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.077583][ T430] __sys_sendmsg (net/socket.c:2700) 
[ 32.077904][ T430] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 32.078293][ T430] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 32.078621][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.078951][ T430] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 32.079278][ T430] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.079670][  T430] RIP: 0033:0x7f577772a1e7
[ 32.080010][ T430] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   32.081133][  T430] RSP: 002b:00007ffec63d1548 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.081613][  T430] RAX: ffffffffffffffda RBX: 00007ffec63d1c70 RCX: 00007f577772a1e7
[   32.082094][  T430] RDX: 0000000000000000 RSI: 00007ffec63d15b0 RDI: 0000000000000005
[   32.082569][  T430] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   32.083095][  T430] R10: 0000000035207910 R11: 0000000000000246 R12: 0000000000000004
[   32.083570][  T430] R13: 00000000686e6636 R14: 0000000000499600 R15: 0000000000000000
| [   32.525473][  T434] ------------[ cut here ]------------
| [ 32.525801][ T434] WARNING: CPU: 2 PID: 434 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   32.526428][  T434] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   32.528441][  T434] Tainted: [W]=WARN
[   32.528692][  T434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 32.529119][ T434] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 32.529457][ T434] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   32.530635][  T434] RSP: 0018:ffffc90000a26ef0 EFLAGS: 00010246
[   32.531072][  T434] RAX: 0000000000000000 RBX: ffff88800b9f2000 RCX: 0000000000000001
[   32.531541][  T434] RDX: 0000000000000000 RSI: ffffffff8809b939 RDI: ffffffff878555e0
[   32.532034][  T434] RBP: ffffc90000a26fe0 R08: 0000000000000000 R09: 0000000000000000
[   32.532505][  T434] R10: ffffc90000a27010 R11: ffffffff88579160 R12: 1ffff92000144de2
[   32.532986][  T434] R13: 00000000000005dc R14: ffffc90000a27010 R15: ffff88800b9f2f08
[   32.533474][  T434] FS:  00007fac6997b800(0000) GS:ffff8880ac1b7000(0000) knlGS:0000000000000000
[   32.534033][  T434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.534433][  T434] CR2: 00000000004e5de8 CR3: 000000000f812004 CR4: 0000000000772ef0
[   32.534916][  T434] PKRU: 55555554
[   32.535160][  T434] Call Trace:
[   32.535399][  T434]  <TASK>
[ 32.535574][ T434] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 32.535910][ T434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.536245][ T434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.536562][ T434] netif_set_mtu (net/core/dev.c:9652) 
[ 32.536894][ T434] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 32.537234][ T434] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 32.537478][ T434] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 32.537931][ T434] br_add_if (net/bridge/br_if.c:697) bridge 
[ 32.538299][ T434] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 32.538628][ T434] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 32.538966][ T434] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 32.539386][ T434] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 32.539706][ T434] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 32.540036][ T434] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.540357][ T434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.540675][ T434] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 32.541007][ T434] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 32.541397][ T434] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.541719][ T434] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.542044][ T434] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 32.542360][ T434] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 32.542692][ T434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.543018][ T434] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 32.543355][ T434] ? __create_object (mm/kmemleak.c:771) 
[ 32.543694][ T434] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 32.544025][ T434] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 32.544356][ T434] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 32.544770][ T434] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 32.545107][ T434] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 32.545431][ T434] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.545770][ T434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.546117][ T434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.546457][ T434] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 32.546775][ T434] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.547127][ T434] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.547454][ T434] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 32.547778][ T434] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.548117][ T434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.548446][ T434] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 32.548785][ T434] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.549129][ T434] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 32.549468][ T434] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 32.549783][ T434] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 32.550125][ T434] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 32.550454][ T434] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 32.550782][ T434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.551122][ T434] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 32.551466][ T434] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 32.551788][ T434] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 32.552155][ T434] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 32.552480][ T434] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 32.552819][ T434] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 32.553268][ T434] ___sys_sendmsg (net/socket.c:2670) 
[ 32.553589][ T434] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 32.553922][ T434] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 32.554328][ T434] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 32.554659][ T434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.554998][ T434] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.555324][ T434] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.555650][ T434] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 32.555990][ T434] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.556321][ T434] __sys_sendmsg (net/socket.c:2700) 
[ 32.556644][ T434] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 32.557063][ T434] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 32.557395][ T434] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.557728][ T434] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 32.558070][ T434] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.558485][  T434] RIP: 0033:0x7fac69b481e7
[ 32.558850][ T434] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   32.559960][  T434] RSP: 002b:00007ffca927f668 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.560449][  T434] RAX: ffffffffffffffda RBX: 00007ffca927fd90 RCX: 00007fac69b481e7
[   32.560934][  T434] RDX: 0000000000000000 RSI: 00007ffca927f6d0 RDI: 0000000000000005
[   32.561407][  T434] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   32.561885][  T434] R10: 0000000011336910 R11: 0000000000000246 R12: 0000000000000004
[   32.562357][  T434] R13: 00000000686e6637 R14: 0000000000499600 R15: 0000000000000000
| [   32.783943][  T436] ------------[ cut here ]------------
| [ 32.784252][ T436] WARNING: CPU: 3 PID: 436 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   32.784860][  T436] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   32.786120][  T436] Tainted: [W]=WARN
[   32.786350][  T436] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 32.786730][ T436] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 32.787052][ T436] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   32.788160][  T436] RSP: 0018:ffffc90000a56ef0 EFLAGS: 00010246
[   32.788549][  T436] RAX: 0000000000000000 RBX: ffff88800b9f2000 RCX: 0000000000000001
[   32.789013][  T436] RDX: 0000000000000000 RSI: ffffffff8809b939 RDI: ffffffff878555e0
[   32.789470][  T436] RBP: ffffc90000a56fe0 R08: 0000000000000000 R09: 0000000000000000
[   32.789940][  T436] R10: ffffc90000a57010 R11: ffffffff88ea8918 R12: 1ffff9200014ade2
[   32.790399][  T436] R13: 00000000000005dc R14: ffffc90000a57010 R15: ffff88800b9f2f08
[   32.790868][  T436] FS:  00007f574a0dd800(0000) GS:ffff8880ac237000(0000) knlGS:0000000000000000
[   32.791401][  T436] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.791790][  T436] CR2: 00000000004e6890 CR3: 000000000f3f3005 CR4: 0000000000772ef0
[   32.792266][  T436] PKRU: 55555554
[   32.792497][  T436] Call Trace:
[   32.792757][  T436]  <TASK>
[ 32.792928][ T436] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 32.793250][ T436] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.793562][ T436] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 32.793894][ T436] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 32.794288][ T436] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 32.794597][ T436] netif_set_mtu (net/core/dev.c:9652) 
[ 32.794918][ T436] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 32.795239][ T436] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 32.795672][ T436] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 32.795921][ T436] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 32.796352][ T436] br_add_if (net/bridge/br_if.c:697) bridge 
[ 32.796708][ T436] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 32.797029][ T436] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 32.797340][ T436] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 32.797730][ T436] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 32.798047][ T436] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 32.798352][ T436] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.798665][ T436] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.798984][ T436] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 32.799290][ T436] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 32.799674][ T436] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.799997][ T436] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.800304][ T436] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 32.800610][ T436] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 32.800928][ T436] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.801232][ T436] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 32.801536][ T436] ? __create_object (mm/kmemleak.c:771) 
[ 32.801853][ T436] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 32.802159][ T436] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 32.802460][ T436] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 32.802849][ T436] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 32.803179][ T436] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 32.803495][ T436] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.803800][ T436] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.804128][ T436] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.804432][ T436] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 32.804735][ T436] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.805050][ T436] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.805352][ T436] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 32.805656][ T436] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.805975][ T436] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.806285][ T436] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 32.806593][ T436] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.806908][ T436] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 32.807223][ T436] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 32.807527][ T436] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 32.807846][ T436] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 32.808165][ T436] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 32.808470][ T436] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.808780][ T436] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 32.809099][ T436] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 32.809405][ T436] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 32.809716][ T436] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 32.810034][ T436] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 32.810344][ T436] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 32.810734][ T436] ___sys_sendmsg (net/socket.c:2670) 
[ 32.811045][ T436] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 32.811352][ T436] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 32.811731][ T436] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 32.812052][ T436] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.812361][ T436] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.812675][ T436] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.812989][ T436] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 32.813348][ T436] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.813669][ T436] __sys_sendmsg (net/socket.c:2700) 
[ 32.814028][ T436] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 32.814416][ T436] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 32.814736][ T436] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.815065][ T436] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 32.815380][ T436] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.815763][  T436] RIP: 0033:0x7f574a2aa1e7
[ 32.816091][ T436] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   32.817218][  T436] RSP: 002b:00007fffa3477dc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.817685][  T436] RAX: ffffffffffffffda RBX: 00007fffa34784f0 RCX: 00007f574a2aa1e7
[   32.818155][  T436] RDX: 0000000000000000 RSI: 00007fffa3477e30 RDI: 0000000000000005
[   32.818611][  T436] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   32.819078][  T436] R10: 000000001e07b910 R11: 0000000000000246 R12: 0000000000000004
[   32.819536][  T436] R13: 00000000686e6637 R14: 0000000000499600 R15: 0000000000000000
| [   33.183204][  T439] ------------[ cut here ]------------
| [ 33.183516][ T439] WARNING: CPU: 3 PID: 439 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   33.184171][  T439] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   33.185440][  T439] Tainted: [W]=WARN
[   33.185671][  T439] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.186632][ T439] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 33.186988][ T439] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   33.188085][  T439] RSP: 0018:ffffc90000676ef0 EFLAGS: 00010246
[   33.188484][  T439] RAX: 0000000000000000 RBX: ffff88800b9f2000 RCX: 0000000000000001
[   33.188960][  T439] RDX: 0000000000000000 RSI: ffffffff8809b939 RDI: ffffffff878555e0
[   33.189418][  T439] RBP: ffffc90000676fe0 R08: 0000000000000000 R09: 0000000000000000
[   33.189886][  T439] R10: ffffc90000677010 R11: ffffffff88579160 R12: 1ffff920000cede2
[   33.190345][  T439] R13: 00000000000005dc R14: ffffc90000677010 R15: ffff88800b9f2f08
[   33.190816][  T439] FS:  00007f8343db3800(0000) GS:ffff8880ac237000(0000) knlGS:0000000000000000
[   33.191352][  T439] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.191735][  T439] CR2: 00000000004e6890 CR3: 000000000b8f8001 CR4: 0000000000772ef0
[   33.192214][  T439] PKRU: 55555554
[   33.192445][  T439] Call Trace:
[   33.192673][  T439]  <TASK>
[ 33.192842][ T439] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 33.193175][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.193489][ T439] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.193797][ T439] netif_set_mtu (net/core/dev.c:9652) 
[ 33.194112][ T439] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 33.194435][ T439] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 33.194666][ T439] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 33.195127][ T439] br_add_if (net/bridge/br_if.c:697) bridge 
[ 33.195489][ T439] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 33.195800][ T439] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 33.196128][ T439] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 33.196535][ T439] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.196853][ T439] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.197161][ T439] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.197483][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.197818][ T439] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 33.198125][ T439] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 33.198502][ T439] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.198821][ T439] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.199126][ T439] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 33.199439][ T439] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 33.199762][ T439] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.200104][ T439] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 33.200427][ T439] ? __create_object (mm/kmemleak.c:771) 
[ 33.200736][ T439] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 33.201051][ T439] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 33.201371][ T439] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 33.201748][ T439] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 33.202084][ T439] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 33.202408][ T439] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.202734][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.203079][ T439] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.203405][ T439] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 33.203716][ T439] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.204040][ T439] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.204359][ T439] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 33.204666][ T439] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.204989][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.205316][ T439] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 33.205628][ T439] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.205946][ T439] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 33.206262][ T439] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 33.206563][ T439] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 33.206880][ T439] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 33.207193][ T439] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 33.207499][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.207827][ T439] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 33.208137][ T439] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 33.208450][ T439] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 33.208762][ T439] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 33.209084][ T439] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 33.209389][ T439] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 33.209782][ T439] ___sys_sendmsg (net/socket.c:2670) 
[ 33.210112][ T439] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 33.210416][ T439] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 33.210796][ T439] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 33.211113][ T439] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.211434][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.211745][ T439] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.212067][ T439] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 33.212373][ T439] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.212698][ T439] __sys_sendmsg (net/socket.c:2700) 
[ 33.213026][ T439] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 33.213419][ T439] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 33.213750][ T439] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.214120][ T439] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 33.214454][ T439] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.214846][  T439] RIP: 0033:0x7f8343f801e7
[ 33.215173][ T439] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   33.216318][  T439] RSP: 002b:00007ffc26a07ae8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.216793][  T439] RAX: ffffffffffffffda RBX: 00007ffc26a08210 RCX: 00007f8343f801e7
[   33.217272][  T439] RDX: 0000000000000000 RSI: 00007ffc26a07b50 RDI: 0000000000000005
[   33.217742][  T439] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   33.218225][  T439] R10: 0000000029d45910 R11: 0000000000000246 R12: 0000000000000004
[   33.218724][  T439] R13: 00000000686e6637 R14: 0000000000499600 R15: 0000000000000000
| [   73.754639][  T811] ------------[ cut here ]------------
| [ 73.755404][ T811] WARNING: CPU: 3 PID: 811 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   73.756037][  T811] Modules linked in: act_gact cls_flower sch_ingress macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   73.757466][  T811] Tainted: [W]=WARN
[   73.757700][  T811] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 73.758103][ T811] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 73.758417][ T811] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   73.759518][  T811] RSP: 0018:ffffc90000c66f70 EFLAGS: 00010246
[   73.759925][  T811] RAX: 0000000000000000 RBX: ffff88800941a000 RCX: 0000000000000001
[   73.760382][  T811] RDX: 0000000000000000 RSI: ffffffff8809b939 RDI: ffffffff878555e0
[   73.760855][  T811] RBP: ffffc90000c67058 R08: 0000000000000000 R09: 0000000000000000
[   73.761314][  T811] R10: ffffc90000c67088 R11: ffffffff84400130 R12: 1ffff9200018cdf2
[   73.761776][  T811] R13: 00000000000005dc R14: ffffc90000c67088 R15: ffff88800941af08
[   73.762263][  T811] FS:  00007fa6be1f3800(0000) GS:ffff8880ac237000(0000) knlGS:0000000000000000
[   73.762800][  T811] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.763218][  T811] CR2: 00000000004e5ab0 CR3: 000000000eca0005 CR4: 0000000000772ef0
[   73.763675][  T811] PKRU: 55555554
[   73.763932][  T811] Call Trace:
[   73.764162][  T811]  <TASK>
[ 73.764317][ T811] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 73.764698][ T811] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 73.765068][ T811] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 73.765377][ T811] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 73.765679][ T811] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 73.766012][ T811] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 73.766318][ T811] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 73.766619][ T811] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 73.766945][ T811] ? ___sys_sendmsg (net/socket.c:2670) 
[ 73.767248][ T811] ? __sys_sendmsg (net/socket.c:2700) 
[ 73.767547][ T811] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 73.767864][ T811] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 73.768255][ T811] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.768570][ T811] netif_set_mtu (net/core/dev.c:9652) 
[ 73.768898][ T811] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 73.769219][ T811] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 73.769449][ T811] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 73.769896][ T811] br_del_if (net/bridge/br_if.c:743) bridge 
[ 73.770234][ T811] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 73.770544][ T811] do_set_master (net/core/rtnetlink.c:2932) 
[ 73.770871][ T811] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 73.771179][ T811] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 73.771566][ T811] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 73.771901][ T811] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 73.772206][ T811] ? __kernel_text_address (kernel/extable.c:79) 
[ 73.772512][ T811] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.772853][ T811] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 73.773177][ T811] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 73.773554][ T811] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 73.773887][ T811] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 73.774191][ T811] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 73.774494][ T811] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 73.774799][ T811] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.775124][ T811] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 73.775429][ T811] ? __create_object (mm/kmemleak.c:771) 
[ 73.775734][ T811] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 73.776067][ T811] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 73.776372][ T811] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 73.776749][ T811] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 73.777081][ T811] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 73.777392][ T811] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 73.777698][ T811] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.778045][ T811] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.778352][ T811] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 73.778652][ T811] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 73.778981][ T811] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 73.779286][ T811] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 73.779594][ T811] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 73.779929][ T811] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.780243][ T811] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 73.780548][ T811] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 73.780872][ T811] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 73.781187][ T811] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 73.781492][ T811] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 73.781797][ T811] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 73.782134][ T811] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 73.782443][ T811] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.782753][ T811] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 73.783087][ T811] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 73.783394][ T811] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 73.783705][ T811] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 73.784038][ T811] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 73.784343][ T811] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 73.784742][ T811] ___sys_sendmsg (net/socket.c:2670) 
[ 73.785069][ T811] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 73.785375][ T811] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 73.785758][ T811] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 73.786091][ T811] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.786399][ T811] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.786710][ T811] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.787044][ T811] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 73.787346][ T811] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 73.787654][ T811] __sys_sendmsg (net/socket.c:2700) 
[ 73.787982][ T811] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 73.788360][ T811] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 73.788674][ T811] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 73.789001][ T811] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 73.789308][ T811] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   73.789686][  T811] RIP: 0033:0x7fa6be3c01e7
[ 73.790026][ T811] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   73.791131][  T811] RSP: 002b:00007ffc03aa4d58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   73.791599][  T811] RAX: ffffffffffffffda RBX: 00007ffc03aa5480 RCX: 00007fa6be3c01e7
[   73.792076][  T811] RDX: 0000000000000000 RSI: 00007ffc03aa4dc0 RDI: 0000000000000005
[   73.792533][  T811] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   73.793012][  T811] R10: 00007fa6be2bdee8 R11: 0000000000000246 R12: 0000000000000003
[   73.793493][  T811] R13: 00000000686e6660 R14: 0000000000499600 R15: 0000000000000000
| [   74.138180][  T814] ------------[ cut here ]------------
| [ 74.138511][ T814] WARNING: CPU: 3 PID: 814 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   74.139994][  T814] Modules linked in: act_gact cls_flower sch_ingress macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   74.141477][  T814] Tainted: [W]=WARN
[   74.141706][  T814] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 74.142103][ T814] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 74.142427][ T814] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   74.143566][  T814] RSP: 0018:ffffc90000c76f70 EFLAGS: 00010246
[   74.143969][  T814] RAX: 0000000000000000 RBX: ffff88800941a000 RCX: 0000000000000001
[   74.144438][  T814] RDX: 0000000000000000 RSI: ffffffff8809b939 RDI: ffffffff878555e0
[   74.145033][  T814] RBP: ffffc90000c77058 R08: 0000000000000000 R09: 0000000000000000
[   74.145493][  T814] R10: ffffc90000c77088 R11: ffffffff88579160 R12: 1ffff9200018edf2
[   74.145959][  T814] R13: 00000000000005dc R14: ffffc90000c77088 R15: ffff88800941af08
[   74.146415][  T814] FS:  00007f30afb63800(0000) GS:ffff8880ac237000(0000) knlGS:0000000000000000
[   74.146957][  T814] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   74.147341][  T814] CR2: 00000000004e5aa8 CR3: 000000000eca2002 CR4: 0000000000772ef0
[   74.147816][  T814] PKRU: 55555554
[   74.148045][  T814] Call Trace:
[   74.148272][  T814]  <TASK>
[ 74.148426][ T814] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 74.148817][ T814] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 74.149167][ T814] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 74.149471][ T814] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 74.149778][ T814] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 74.150092][ T814] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 74.150396][ T814] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 74.150695][ T814] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 74.151011][ T814] ? ___sys_sendmsg (net/socket.c:2670) 
[ 74.151314][ T814] ? __sys_sendmsg (net/socket.c:2700) 
[ 74.151614][ T814] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 74.151933][ T814] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 74.152313][ T814] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.152626][ T814] netif_set_mtu (net/core/dev.c:9652) 
[ 74.152944][ T814] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 74.153276][ T814] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 74.153510][ T814] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 74.153938][ T814] br_del_if (net/bridge/br_if.c:743) bridge 
[ 74.154277][ T814] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 74.154582][ T814] do_set_master (net/core/rtnetlink.c:2932) 
[ 74.154915][ T814] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 74.155225][ T814] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 74.155610][ T814] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 74.155922][ T814] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 74.156225][ T814] ? __kernel_text_address (kernel/extable.c:79) 
[ 74.156532][ T814] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.156846][ T814] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 74.157161][ T814] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 74.157540][ T814] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 74.157853][ T814] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 74.158163][ T814] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 74.158465][ T814] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 74.158768][ T814] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.159080][ T814] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 74.159389][ T814] ? __create_object (mm/kmemleak.c:771) 
[ 74.159694][ T814] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 74.160013][ T814] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 74.160317][ T814] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 74.160694][ T814] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 74.161035][ T814] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 74.161344][ T814] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 74.161647][ T814] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.161968][ T814] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.162273][ T814] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 74.162573][ T814] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 74.162887][ T814] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 74.163200][ T814] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 74.163504][ T814] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 74.163825][ T814] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.164135][ T814] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 74.164437][ T814] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 74.164745][ T814] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 74.165070][ T814] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 74.165370][ T814] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 74.165676][ T814] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 74.165989][ T814] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 74.166292][ T814] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.166601][ T814] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 74.166915][ T814] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 74.167218][ T814] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 74.167526][ T814] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 74.167839][ T814] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 74.168141][ T814] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 74.168531][ T814] ___sys_sendmsg (net/socket.c:2670) 
[ 74.168839][ T814] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 74.169141][ T814] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 74.169515][ T814] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 74.169831][ T814] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.170139][ T814] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.170446][ T814] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.170746][ T814] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 74.171058][ T814] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 74.171367][ T814] __sys_sendmsg (net/socket.c:2700) 
[ 74.171666][ T814] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 74.172051][ T814] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 74.172365][ T814] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 74.172667][ T814] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 74.172979][ T814] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   74.173419][  T814] RIP: 0033:0x7f30afd301e7
[ 74.173754][ T814] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   74.174901][  T814] RSP: 002b:00007ffe7a936048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   74.175386][  T814] RAX: ffffffffffffffda RBX: 00007ffe7a936770 RCX: 00007f30afd301e7
[   74.175871][  T814] RDX: 0000000000000000 RSI: 00007ffe7a9360b0 RDI: 0000000000000005
[   74.176349][  T814] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   74.176839][  T814] R10: 00007f30afc2dee8 R11: 0000000000000246 R12: 0000000000000003
[   74.177315][  T814] R13: 00000000686e6660 R14: 0000000000499600 R15: 0000000000000000
| [   74.402669][  T816] ------------[ cut here ]------------
| [ 74.403037][ T816] WARNING: CPU: 2 PID: 816 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   74.403672][  T816] Modules linked in: act_gact cls_flower sch_ingress macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   74.405177][  T816] Tainted: [W]=WARN
[   74.405421][  T816] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 74.405823][ T816] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 74.406175][ T816] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   74.407321][  T816] RSP: 0018:ffffc90000c96f70 EFLAGS: 00010246
[   74.407735][  T816] RAX: 0000000000000000 RBX: ffff88800941a000 RCX: 0000000000000001
[   74.408239][  T816] RDX: 0000000000000000 RSI: ffffffff8809b939 RDI: ffffffff878555e0
[   74.408728][  T816] RBP: ffffc90000c97058 R08: 0000000000000000 R09: 0000000000000000
[   74.409419][  T816] R10: ffffc90000c97088 R11: ffffffff88579160 R12: 1ffff92000192df2
[   74.410084][  T816] R13: 00000000000005dc R14: ffffc90000c97088 R15: ffff88800941af08
[   74.410650][  T816] FS:  00007fc895386800(0000) GS:ffff8880ac1b7000(0000) knlGS:0000000000000000
[   74.411215][  T816] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   74.411608][  T816] CR2: 00000000004e5de8 CR3: 000000000dd1f005 CR4: 0000000000772ef0
[   74.412107][  T816] PKRU: 55555554
[   74.412351][  T816] Call Trace:
[   74.412591][  T816]  <TASK>
[ 74.412759][ T816] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 74.413186][ T816] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 74.413550][ T816] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 74.413878][ T816] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 74.414201][ T816] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 74.414515][ T816] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 74.414844][ T816] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 74.415158][ T816] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 74.415478][ T816] ? ___sys_sendmsg (net/socket.c:2670) 
[ 74.415789][ T816] ? __sys_sendmsg (net/socket.c:2700) 
[ 74.416129][ T816] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 74.416447][ T816] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 74.416851][ T816] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.417183][ T816] netif_set_mtu (net/core/dev.c:9652) 
[ 74.417523][ T816] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 74.417912][ T816] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 74.418180][ T816] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 74.418616][ T816] br_del_if (net/bridge/br_if.c:743) bridge 
[ 74.418982][ T816] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 74.419305][ T816] do_set_master (net/core/rtnetlink.c:2932) 
[ 74.419622][ T816] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 74.419968][ T816] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 74.420371][ T816] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 74.420687][ T816] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 74.421040][ T816] ? __kernel_text_address (kernel/extable.c:79) 
[ 74.421360][ T816] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.421697][ T816] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 74.422029][ T816] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 74.422444][ T816] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 74.422761][ T816] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 74.423126][ T816] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 74.423445][ T816] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 74.423761][ T816] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.424104][ T816] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 74.424427][ T816] ? __create_object (mm/kmemleak.c:771) 
[ 74.424744][ T816] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 74.425081][ T816] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 74.425397][ T816] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 74.425787][ T816] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 74.426121][ T816] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 74.426445][ T816] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 74.426763][ T816] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.427120][ T816] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.427440][ T816] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 74.427761][ T816] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 74.428102][ T816] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 74.428421][ T816] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 74.428737][ T816] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 74.429069][ T816] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.429399][ T816] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 74.429713][ T816] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 74.430040][ T816] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 74.430368][ T816] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 74.430714][ T816] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 74.431040][ T816] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 74.431361][ T816] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 74.431677][ T816] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.432020][ T816] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 74.432341][ T816] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 74.432658][ T816] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 74.432990][ T816] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 74.433352][ T816] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 74.433670][ T816] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 74.434090][ T816] ___sys_sendmsg (net/socket.c:2670) 
[ 74.434403][ T816] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 74.434721][ T816] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 74.435124][ T816] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 74.435444][ T816] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.435761][ T816] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.436108][ T816] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.436435][ T816] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 74.436749][ T816] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 74.437083][ T816] __sys_sendmsg (net/socket.c:2700) 
[ 74.437399][ T816] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 74.437786][ T816] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 74.438125][ T816] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 74.438442][ T816] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 74.438763][ T816] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   74.439166][  T816] RIP: 0033:0x7fc8955531e7
[ 74.439494][ T816] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   74.440609][  T816] RSP: 002b:00007ffc76019498 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   74.441099][  T816] RAX: ffffffffffffffda RBX: 00007ffc76019bc0 RCX: 00007fc8955531e7
[   74.441599][  T816] RDX: 0000000000000000 RSI: 00007ffc76019500 RDI: 0000000000000005
[   74.442074][  T816] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   74.442552][  T816] R10: 00007fc895450ee8 R11: 0000000000000246 R12: 0000000000000003
[   74.443041][  T816] R13: 00000000686e6661 R14: 0000000000499600 R15: 0000000000000000
| [   74.936725][  T820] ------------[ cut here ]------------
| [ 74.937105][ T820] WARNING: CPU: 2 PID: 820 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   74.937755][  T820] Modules linked in: act_gact cls_flower sch_ingress macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   74.939253][  T820] Tainted: [W]=WARN
[   74.939516][  T820] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 74.939934][ T820] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 74.940275][ T820] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   74.941425][  T820] RSP: 0018:ffffc90000cd6f70 EFLAGS: 00010246
[   74.941854][  T820] RAX: 0000000000000000 RBX: ffff88800941a000 RCX: 0000000000000001
[   74.942347][  T820] RDX: 0000000000000000 RSI: ffffffff8809b939 RDI: ffffffff878555e0
[   74.944271][  T820] RBP: ffffc90000cd7058 R08: 0000000000000000 R09: 0000000000000000
[   74.944787][  T820] R10: ffffc90000cd7088 R11: ffffffff88579160 R12: 1ffff9200019adf2
[   74.945295][  T820] R13: 00000000000005dc R14: ffffc90000cd7088 R15: ffff88800941af08
[   74.945789][  T820] FS:  00007fbc436e0800(0000) GS:ffff8880ac1b7000(0000) knlGS:0000000000000000
[   74.946374][  T820] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   74.946789][  T820] CR2: 00000000004e5ce0 CR3: 000000000edc4002 CR4: 0000000000772ef0
[   74.947297][  T820] PKRU: 55555554
[   74.947550][  T820] Call Trace:
[   74.947800][  T820]  <TASK>
[ 74.947984][ T820] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 74.948398][ T820] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 74.948773][ T820] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 74.949120][ T820] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 74.949454][ T820] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 74.949797][ T820] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 74.950140][ T820] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 74.950471][ T820] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 74.950799][ T820] ? ___sys_sendmsg (net/socket.c:2670) 
[ 74.951143][ T820] ? __sys_sendmsg (net/socket.c:2700) 
[ 74.951469][ T820] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 74.951799][ T820] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 74.952217][ T820] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.952566][ T820] netif_set_mtu (net/core/dev.c:9652) 
[ 74.952912][ T820] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 74.953281][ T820] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 74.953539][ T820] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 74.954008][ T820] br_del_if (net/bridge/br_if.c:743) bridge 
[ 74.954379][ T820] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 74.954712][ T820] do_set_master (net/core/rtnetlink.c:2932) 
[ 74.955056][ T820] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 74.955402][ T820] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 74.955829][ T820] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 74.956163][ T820] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 74.956493][ T820] ? __kernel_text_address (kernel/extable.c:79) 
[ 74.956837][ T820] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.957175][ T820] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 74.957509][ T820] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 74.957937][ T820] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 74.958272][ T820] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 74.958607][ T820] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 74.958951][ T820] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 74.959283][ T820] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.959616][ T820] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 74.959960][ T820] ? __create_object (mm/kmemleak.c:771) 
[ 74.960304][ T820] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 74.960638][ T820] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 74.960988][ T820] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 74.961400][ T820] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 74.961743][ T820] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 74.962089][ T820] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 74.962422][ T820] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.962760][ T820] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.963128][ T820] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 74.963462][ T820] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 74.963796][ T820] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 74.964137][ T820] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 74.964487][ T820] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 74.964843][ T820] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.965187][ T820] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 74.965522][ T820] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 74.965873][ T820] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 74.966217][ T820] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 74.966545][ T820] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 74.966888][ T820] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 74.967227][ T820] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 74.967559][ T820] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.967912][ T820] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 74.968249][ T820] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 74.968587][ T820] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 74.968937][ T820] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 74.969272][ T820] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 74.969602][ T820] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 74.970033][ T820] ___sys_sendmsg (net/socket.c:2670) 
[ 74.970363][ T820] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 74.970700][ T820] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 74.971143][ T820] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 74.971479][ T820] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.971822][ T820] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 74.972161][ T820] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 74.972493][ T820] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 74.972831][ T820] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 74.973205][ T820] __sys_sendmsg (net/socket.c:2700) 
[ 74.973537][ T820] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 74.973961][ T820] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 74.974305][ T820] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 74.974641][ T820] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 74.974986][ T820] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   74.975396][  T820] RIP: 0033:0x7fbc438ad1e7
[ 74.975744][ T820] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   74.976904][  T820] RSP: 002b:00007fff0c0daa48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   74.977400][  T820] RAX: ffffffffffffffda RBX: 00007fff0c0db170 RCX: 00007fbc438ad1e7
[   74.977912][  T820] RDX: 0000000000000000 RSI: 00007fff0c0daab0 RDI: 0000000000000005
[   74.978404][  T820] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   74.978903][  T820] R10: 00007fbc437aaee8 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