======================================
| [   23.789449][  T351] br1: port 1(vx10) entered forwarding state
| [   23.791023][  T351] ------------[ cut here ]------------
| [ 23.791348][ T351] WARNING: CPU: 3 PID: 351 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   23.791951][  T351] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
[   23.793886][  T351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.794294][ T351] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 23.794629][ T351] 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
[   23.795781][  T351] RSP: 0018:ffffc900004e6ef0 EFLAGS: 00010246
[   23.796232][  T351] RAX: 0000000000000000 RBX: ffff888005082000 RCX: 0000000000000001
[   23.796704][  T351] RDX: 0000000000000000 RSI: ffffffff8c89b939 RDI: ffffffff8c0555e0
[   23.797166][  T351] RBP: ffffc900004e6fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.798451][  T351] R10: ffffc900004e7010 R11: ffffffff8d6a8918 R12: 1ffff9200009cde2
[   23.798923][  T351] R13: 00000000000005dc R14: ffffc900004e7010 R15: ffff888005082f08
[   23.799391][  T351] FS:  00007f36d7c28800(0000) GS:ffff8880a0c37000(0000) knlGS:0000000000000000
[   23.799958][  T351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.800353][  T351] CR2: 00000000004e5ce0 CR3: 000000000f0fb006 CR4: 0000000000772ef0
[   23.800818][  T351] PKRU: 55555554
[   23.801050][  T351] Call Trace:
[   23.801300][  T351]  <TASK>
[ 23.801463][ T351] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.801781][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.802255][ T351] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.802566][ T351] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.802943][ T351] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.803260][ T351] netif_set_mtu (net/core/dev.c:9652) 
[ 23.803572][ T351] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.803887][ T351] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.804334][ T351] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.804571][ T351] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.804990][ T351] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.805361][ T351] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 23.805673][ T351] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.805984][ T351] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.806389][ T351] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.806697][ T351] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.806998][ T351] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.807318][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.807632][ T351] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 23.807939][ T351] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.808329][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.808647][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.808954][ T351] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.809284][ T351] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.809604][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.809915][ T351] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.810219][ T351] ? __create_object (mm/kmemleak.c:771) 
[ 23.810538][ T351] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.810849][ T351] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.811162][ T351] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.811551][ T351] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.811867][ T351] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.812181][ T351] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.812495][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.812812][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.813123][ T351] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.813460][ T351] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.813774][ T351] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.814082][ T351] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.814403][ T351] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.814717][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.815034][ T351] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.815354][ T351] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.815664][ T351] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.815982][ T351] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.816297][ T351] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 23.816608][ T351] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 23.816920][ T351] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.817284][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.817636][ T351] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.817952][ T351] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.818274][ T351] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.818592][ T351] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.818904][ T351] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.819211][ T351] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.819680][ T351] ___sys_sendmsg (net/socket.c:2670) 
[ 23.819994][ T351] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.820315][ T351] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 23.820705][ T351] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.821016][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.821347][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.821662][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.821978][ T351] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.822296][ T351] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.822614][ T351] __sys_sendmsg (net/socket.c:2700) 
[ 23.822921][ T351] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.823313][ T351] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.823635][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.823951][ T351] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.824268][ T351] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.824654][  T351] RIP: 0033:0x7f36d7df51e7
[ 23.825266][ T351] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   23.826628][  T351] RSP: 002b:00007ffd62378f98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.827101][  T351] RAX: ffffffffffffffda RBX: 00007ffd623796c0 RCX: 00007f36d7df51e7
[   23.827577][  T351] RDX: 0000000000000000 RSI: 00007ffd62379000 RDI: 0000000000000005
[   23.828284][  T351] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.828981][  T351] R10: 0000000014c47910 R11: 0000000000000246 R12: 0000000000000004
[   23.829469][  T351] R13: 00000000686e6fd7 R14: 0000000000499600 R15: 0000000000000000
| [   24.309869][  T356] ------------[ cut here ]------------
| [ 24.310180][ T356] WARNING: CPU: 3 PID: 356 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   24.310794][  T356] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   24.312203][  T356] Tainted: [W]=WARN
[   24.312448][  T356] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.312833][ T356] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 24.313152][ T356] 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
[   24.314453][  T356] RSP: 0018:ffffc900005e6ef0 EFLAGS: 00010246
[   24.314840][  T356] RAX: 0000000000000000 RBX: ffff888005082000 RCX: 0000000000000001
[   24.315447][  T356] RDX: 0000000000000000 RSI: ffffffff8c89b939 RDI: ffffffff8c0555e0
[   24.315912][  T356] RBP: ffffc900005e6fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.316468][  T356] R10: ffffc900005e7010 R11: ffffffff8d6a8918 R12: 1ffff920000bcde2
[   24.316933][  T356] R13: 00000000000005dc R14: ffffc900005e7010 R15: ffff888005082f08
[   24.317402][  T356] FS:  00007f9d92cb5800(0000) GS:ffff8880a0c37000(0000) knlGS:0000000000000000
[   24.317943][  T356] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.318335][  T356] CR2: 00000000004e5de8 CR3: 0000000002b9f002 CR4: 0000000000772ef0
[   24.318802][  T356] PKRU: 55555554
[   24.319033][  T356] Call Trace:
[   24.319274][  T356]  <TASK>
[ 24.319437][ T356] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.319778][ T356] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.320092][ T356] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.320410][ T356] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.320790][ T356] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.321105][ T356] netif_set_mtu (net/core/dev.c:9652) 
[ 24.321421][ T356] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.321738][ T356] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.322166][ T356] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.322412][ T356] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.322831][ T356] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.323190][ T356] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 24.323510][ T356] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.323822][ T356] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.324210][ T356] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.324533][ T356] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.324839][ T356] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.325150][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.325472][ T356] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 24.325782][ T356] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.326162][ T356] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.326474][ T356] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.326781][ T356] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.327089][ T356] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.327399][ T356] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.327704][ T356] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.328010][ T356] ? __create_object (mm/kmemleak.c:771) 
[ 24.328329][ T356] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.328637][ T356] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.328945][ T356] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.329330][ T356] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.329692][ T356] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.330007][ T356] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.330324][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.330636][ T356] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.330941][ T356] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.331255][ T356] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.331563][ T356] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.331868][ T356] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.332175][ T356] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.332500][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.332816][ T356] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.333125][ T356] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.333439][ T356] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.333767][ T356] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.334071][ T356] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 24.334388][ T356] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 24.334697][ T356] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.335005][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.335325][ T356] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.335638][ T356] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.335946][ T356] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.336269][ T356] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.336581][ T356] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.336887][ T356] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.337289][ T356] ___sys_sendmsg (net/socket.c:2670) 
[ 24.337595][ T356] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.337900][ T356] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 24.338289][ T356] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.338597][ T356] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.338901][ T356] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.339211][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.339563][ T356] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.339878][ T356] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.340185][ T356] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[ 24.340508][ T356] __sys_sendmsg (net/socket.c:2700) 
[ 24.340812][ T356] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[ 24.341191][ T356] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.341517][ T356] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.341824][ T356] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.342137][ T356] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.342526][  T356] RIP: 0033:0x7f9d92e821e7
[ 24.342851][ T356] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   24.343951][  T356] RSP: 002b:00007ffc70b740a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.344429][  T356] RAX: ffffffffffffffda RBX: 00007ffc70b747d0 RCX: 00007f9d92e821e7
[   24.344892][  T356] RDX: 0000000000000000 RSI: 00007ffc70b74110 RDI: 0000000000000005
[   24.345497][  T356] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.345953][  T356] R10: 0000000021a09910 R11: 0000000000000246 R12: 0000000000000004
[   24.346425][  T356] R13: 00000000686e6fd8 R14: 0000000000499600 R15: 0000000000000000
| [   24.575422][  T358] ------------[ cut here ]------------
| [ 24.575739][ T358] WARNING: CPU: 3 PID: 358 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   24.577885][  T358] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   24.579177][  T358] Tainted: [W]=WARN
[   24.579418][  T358] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.579866][ T358] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 24.580187][ T358] 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
[   24.581329][  T358] RSP: 0018:ffffc900005d6ef0 EFLAGS: 00010246
[   24.581718][  T358] RAX: 0000000000000000 RBX: ffff888005082000 RCX: 0000000000000001
[   24.582186][  T358] RDX: 0000000000000000 RSI: ffffffff8c89b939 RDI: ffffffff8c0555e0
[   24.582671][  T358] RBP: ffffc900005d6fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.583135][  T358] R10: ffffc900005d7010 R11: ffffffff8d6a8918 R12: 1ffff920000bade2
[   24.583624][  T358] R13: 00000000000005dc R14: ffffc900005d7010 R15: ffff888005082f08
[   24.584108][  T358] FS:  00007fef89b43800(0000) GS:ffff8880a0c37000(0000) knlGS:0000000000000000
[   24.584674][  T358] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.585083][  T358] CR2: 00000000004e5aa8 CR3: 000000000c27a006 CR4: 0000000000772ef0
[   24.585709][  T358] PKRU: 55555554
[   24.585952][  T358] Call Trace:
[   24.586200][  T358]  <TASK>
[ 24.586384][ T358] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.586708][ T358] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.587042][ T358] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.587376][ T358] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.587779][ T358] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.588106][ T358] netif_set_mtu (net/core/dev.c:9652) 
[ 24.588434][ T358] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.588775][ T358] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.589229][ T358] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.589486][ T358] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.589962][ T358] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.590339][ T358] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 24.590670][ T358] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.590999][ T358] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.591403][ T358] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.591721][ T358] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.592042][ T358] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.592377][ T358] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.592701][ T358] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 24.593021][ T358] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.593427][ T358] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.593750][ T358] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.594067][ T358] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.594394][ T358] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.594714][ T358] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.595034][ T358] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.595356][ T358] ? __create_object (mm/kmemleak.c:771) 
[ 24.595669][ T358] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.595995][ T358] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.596317][ T358] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.596694][ T358] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.597004][ T358] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.597346][ T358] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.597665][ T358] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.597991][ T358] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.598322][ T358] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.598646][ T358] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.598968][ T358] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.599282][ T358] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.599620][ T358] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.599926][ T358] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.600259][ T358] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.600579][ T358] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.600905][ T358] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.601234][ T358] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.601560][ T358] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 24.601880][ T358] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 24.602203][ T358] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.602529][ T358] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.602855][ T358] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.603183][ T358] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.603513][ T358] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.603840][ T358] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.604161][ T358] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.604486][ T358] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.604896][ T358] ___sys_sendmsg (net/socket.c:2670) 
[ 24.605211][ T358] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.605544][ T358] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 24.605945][ T358] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.606275][ T358] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.606600][ T358] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.606927][ T358] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.607259][ T358] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.607577][ T358] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.607902][ T358] __sys_sendmsg (net/socket.c:2700) 
[ 24.608224][ T358] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.608629][ T358] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.608953][ T358] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.609264][ T358] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.609606][ T358] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.610001][  T358] RIP: 0033:0x7fef89d101e7
[ 24.610367][ T358] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   24.611515][  T358] RSP: 002b:00007fffb9a68e68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.611999][  T358] RAX: ffffffffffffffda RBX: 00007fffb9a69590 RCX: 00007fef89d101e7
[   24.612484][  T358] RDX: 0000000000000000 RSI: 00007fffb9a68ed0 RDI: 0000000000000005
[   24.612962][  T358] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.613443][  T358] R10: 000000003de8a910 R11: 0000000000000246 R12: 0000000000000004
[   24.613920][  T358] R13: 00000000686e6fd8 R14: 0000000000499600 R15: 0000000000000000
| [   25.232222][  T364] ------------[ cut here ]------------
| [ 25.232611][ T364] WARNING: CPU: 3 PID: 364 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) 
| [   25.233312][  T364] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   25.234725][  T364] Tainted: [W]=WARN
[   25.234992][  T364] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.235433][ T364] 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) 
[ 25.235790][ T364] 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
[   25.237024][  T364] RSP: 0018:ffffc900005a6ef0 EFLAGS: 00010246
[   25.237476][  T364] RAX: 0000000000000000 RBX: ffff888005082000 RCX: 0000000000000001
[   25.237994][  T364] RDX: 0000000000000000 RSI: ffffffff8c89b939 RDI: ffffffff8c0555e0
[   25.238521][  T364] RBP: ffffc900005a6fe0 R08: 0000000000000000 R09: 0000000000000000
[   25.239037][  T364] R10: ffffc900005a7010 R11: ffffffff8d6a8918 R12: 1ffff920000b4de2
[   25.239582][  T364] R13: 00000000000005dc R14: ffffc900005a7010 R15: ffff888005082f08
[   25.240099][  T364] FS:  00007f27c225e800(0000) GS:ffff8880a0c37000(0000) knlGS:0000000000000000
[   25.240712][  T364] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.241147][  T364] CR2: 00000000004e5ab0 CR3: 000000000c29c006 CR4: 0000000000772ef0
[   25.241684][  T364] PKRU: 55555554
[   25.241947][  T364] Call Trace:
[   25.242221][  T364]  <TASK>
[ 25.242409][ T364] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.242756][ T364] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.243109][ T364] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 25.243465][ T364] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 25.243898][ T364] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 25.244259][ T364] netif_set_mtu (net/core/dev.c:9652) 
[ 25.244616][ T364] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.244976][ T364] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 25.245466][ T364] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.245732][ T364] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 25.246204][ T364] br_add_if (net/bridge/br_if.c:697) bridge 
[ 25.246610][ T364] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 25.246966][ T364] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 25.247330][ T364] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 25.247767][ T364] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.248113][ T364] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 25.248488][ T364] ? __kernel_text_address (kernel/extable.c:79) 
[ 25.248842][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.249196][ T364] ? __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) 
[ 25.249566][ T364] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 25.250001][ T364] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.250359][ T364] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.250706][ T364] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 25.251052][ T364] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 25.251411][ T364] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.251759][ T364] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.252104][ T364] ? __create_object (mm/kmemleak.c:771) 
[ 25.252465][ T364] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 25.252811][ T364] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 25.253157][ T364] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.253600][ T364] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 25.253954][ T364] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.254314][ T364] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.254658][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.255016][ T364] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.255375][ T364] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.255721][ T364] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.256068][ T364] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.256423][ T364] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.256773][ T364] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.257122][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.257485][ T364] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.257839][ T364] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.258185][ T364] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.258551][ T364] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.258898][ T364] ? 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) 
[ 25.259258][ T364] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 25.259625][ T364] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.259972][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.260343][ T364] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.260695][ T364] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.261041][ T364] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.261409][ T364] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.261762][ T364] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.262106][ T364] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.262558][ T364] ___sys_sendmsg (net/socket.c:2670) 
[ 25.262909][ T364] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.263266][ T364] ? __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) 
[ 25.263699][ T364] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.264050][ T364] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.264412][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.264767][ T364] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.265119][ T364] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.265481][ T364] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.265842][ T364] __sys_sendmsg (net/socket.c:2700) 
[ 25.266189][ T364] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.266631][ T364] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.266989][ T364] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.267347][ T364] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.267700][ T364] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.268138][  T364] RIP: 0033:0x7f27c242b1e7
[ 25.268509][ T364] 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)
[   25.269781][  T364] RSP: 002b:00007ffd85111278 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.270318][  T364] RAX: ffffffffffffffda RBX: 00007ffd851119a0 RCX: 00007f27c242b1e7
[   25.270840][  T364] RDX: 0000000000000000 RSI: 00007ffd851112e0 RDI: 0000000000000005
[   25.271368][  T364] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   25.271885][  T364] R10: 000000002ca93910 R11: 0000000000000246 R12: 0000000000000004
[   25.272416][  T364] R13: 00000000686e6fd9 R14: 0000000000499600 R15: 0000000000000000
| [   29.934430][  T414] ------------[ cut here ]------------
| [ 29.934744][ T414] WARNING: CPU: 0 PID: 414 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   29.935369][  T414] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   29.936641][  T414] Tainted: [W]=WARN
[   29.936873][  T414] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.937270][ T414] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 29.937587][ T414] 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
[   29.938712][  T414] RSP: 0018:ffffc90000ad6ef0 EFLAGS: 00010246
[   29.939100][  T414] RAX: 0000000000000000 RBX: ffff88800f3b2000 RCX: 0000000000000001
[   29.939602][  T414] RDX: 0000000000000000 RSI: ffffffff8c89b939 RDI: ffffffff8c0555e0
[   29.940076][  T414] RBP: ffffc90000ad6fe0 R08: 0000000000000000 R09: 0000000000000000
[   29.940558][  T414] R10: ffffc90000ad7010 R11: ffffffff8cd79160 R12: 1ffff9200015ade2
[   29.941016][  T414] R13: 00000000000005dc R14: ffffc90000ad7010 R15: ffff88800f3b2f08
[   29.941701][  T414] FS:  00007f4d31bda800(0000) GS:ffff8880a0ab7000(0000) knlGS:0000000000000000
[   29.942235][  T414] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.942785][  T414] CR2: 00000000004e6898 CR3: 000000000f0b9004 CR4: 0000000000772ef0
[   29.943294][  T414] PKRU: 55555554
[   29.943523][  T414] Call Trace:
[   29.943750][  T414]  <TASK>
[ 29.943910][ T414] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 29.944221][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.944555][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.944862][ T414] netif_set_mtu (net/core/dev.c:9652) 
[ 29.945172][ T414] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 29.945505][ T414] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 29.945736][ T414] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 29.946160][ T414] br_add_if (net/bridge/br_if.c:697) bridge 
[ 29.946526][ T414] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 29.946835][ T414] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 29.947144][ T414] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 29.947543][ T414] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 29.947847][ T414] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 29.948147][ T414] ? __kernel_text_address (kernel/extable.c:79) 
[ 29.948477][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.948784][ T414] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 29.949087][ T414] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 29.949481][ T414] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.949801][ T414] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.950104][ T414] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 29.950421][ T414] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 29.950725][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.951029][ T414] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 29.951340][ T414] ? __create_object (mm/kmemleak.c:771) 
[ 29.951649][ T414] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 29.951958][ T414] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 29.952288][ T414] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 29.952676][ T414] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 29.952984][ T414] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 29.953306][ T414] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.953620][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.953930][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.954233][ T414] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 29.954555][ T414] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.954860][ T414] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.955162][ T414] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 29.955484][ T414] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.955792][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.956101][ T414] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 29.956432][ T414] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.956739][ T414] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 29.957054][ T414] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 29.957370][ T414] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 29.957676][ T414] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 29.957984][ T414] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 29.958298][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.958608][ T414] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 29.958918][ T414] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 29.959225][ T414] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 29.959550][ T414] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 29.959862][ T414] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 29.960166][ T414] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 29.960577][ T414] ___sys_sendmsg (net/socket.c:2670) 
[ 29.960881][ T414] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 29.961184][ T414] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 29.961600][ T414] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 29.961913][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.962221][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.962542][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.962849][ T414] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 29.963150][ T414] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.963473][ T414] __sys_sendmsg (net/socket.c:2700) 
[ 29.963792][ T414] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 29.964189][ T414] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 29.964545][ T414] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.964870][ T414] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 29.965194][ T414] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   29.965598][  T414] RIP: 0033:0x7f4d31da71e7
[ 29.965927][ T414] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   29.967077][  T414] RSP: 002b:00007ffff1ef6098 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.967574][  T414] RAX: ffffffffffffffda RBX: 00007ffff1ef67c0 RCX: 00007f4d31da71e7
[   29.968054][  T414] RDX: 0000000000000000 RSI: 00007ffff1ef6100 RDI: 0000000000000005
[   29.968556][  T414] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   29.969038][  T414] R10: 0000000023bd6910 R11: 0000000000000246 R12: 0000000000000004
[   29.969529][  T414] R13: 00000000686e6fdd R14: 0000000000499600 R15: 0000000000000000
| [   30.845945][  T422] ------------[ cut here ]------------
| [ 30.846286][ T422] WARNING: CPU: 1 PID: 422 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   30.846918][  T422] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   30.848258][  T422] Tainted: [W]=WARN
[   30.848499][  T422] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 30.848901][ T422] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 30.849233][ T422] 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
[   30.850400][  T422] RSP: 0018:ffffc90000bfeef0 EFLAGS: 00010246
[   30.850805][  T422] RAX: 0000000000000000 RBX: ffff88800f3b2000 RCX: 0000000000000001
[   30.851293][  T422] RDX: 0000000000000000 RSI: ffffffff8c89b939 RDI: ffffffff8c0555e0
[   30.851771][  T422] RBP: ffffc90000bfefe0 R08: 0000000000000000 R09: 0000000000000000
[   30.852264][  T422] R10: ffffc90000bff010 R11: ffffffff8d6a8918 R12: 1ffff9200017fde2
[   30.852743][  T422] R13: 00000000000005dc R14: ffffc90000bff010 R15: ffff88800f3b2f08
[   30.853222][  T422] FS:  00007f02e65f4800(0000) GS:ffff8880a0b37000(0000) knlGS:0000000000000000
[   30.853799][  T422] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.854203][  T422] CR2: 00000000004e5ce0 CR3: 000000000add1004 CR4: 0000000000772ef0
[   30.854700][  T422] PKRU: 55555554
[   30.854942][  T422] Call Trace:
[   30.855182][  T422]  <TASK>
[ 30.855356][ T422] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 30.855676][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.856001][ T422] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 30.856328][ T422] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 30.856736][ T422] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 30.857057][ T422] netif_set_mtu (net/core/dev.c:9652) 
[ 30.857527][ T422] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 30.857859][ T422] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 30.858318][ T422] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 30.858562][ T422] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 30.858998][ T422] br_add_if (net/bridge/br_if.c:697) bridge 
[ 30.859389][ T422] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 30.859725][ T422] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 30.860047][ T422] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 30.860460][ T422] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 30.860783][ T422] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 30.861103][ T422] ? __kernel_text_address (kernel/extable.c:79) 
[ 30.861440][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.861768][ T422] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 30.862091][ T422] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 30.862519][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.862841][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.863160][ T422] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 30.863492][ T422] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 30.863816][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.864141][ T422] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 30.864469][ T422] ? __create_object (mm/kmemleak.c:771) 
[ 30.864796][ T422] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 30.865118][ T422] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 30.865447][ T422] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 30.865843][ T422] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 30.866169][ T422] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 30.866502][ T422] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.866828][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.867156][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.867494][ T422] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 30.867815][ T422] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.868140][ T422] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.868472][ T422] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 30.868799][ T422] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.869130][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.869467][ T422] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 30.869807][ T422] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.870130][ T422] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 30.870471][ T422] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 30.870792][ T422] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 30.871118][ T422] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 30.871462][ T422] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 30.871784][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.872110][ T422] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 30.872446][ T422] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 30.872771][ T422] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 30.873101][ T422] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 30.873439][ T422] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 30.873761][ T422] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 30.874182][ T422] ___sys_sendmsg (net/socket.c:2670) 
[ 30.874511][ T422] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 30.874835][ T422] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 30.875239][ T422] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 30.875576][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.875902][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.876276][ T422] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.876608][ T422] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 30.876931][ T422] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.877279][ T422] __sys_sendmsg (net/socket.c:2700) 
[ 30.877601][ T422] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 30.878000][ T422] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 30.878349][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.878675][ T422] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 30.879000][ T422] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   30.879414][  T422] RIP: 0033:0x7f02e67c11e7
[ 30.879755][ T422] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   30.880912][  T422] RSP: 002b:00007ffcb45c2c08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   30.881416][  T422] RAX: ffffffffffffffda RBX: 00007ffcb45c3330 RCX: 00007f02e67c11e7
[   30.881900][  T422] RDX: 0000000000000000 RSI: 00007ffcb45c2c70 RDI: 0000000000000005
[   30.882393][  T422] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   30.882876][  T422] R10: 0000000027b72910 R11: 0000000000000246 R12: 0000000000000004
[   30.883371][  T422] R13: 00000000686e6fde R14: 0000000000499600 R15: 0000000000000000
| [   31.787268][  T429] ------------[ cut here ]------------
| [ 31.787583][ T429] WARNING: CPU: 0 PID: 429 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   31.788183][  T429] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   31.789458][  T429] Tainted: [W]=WARN
[   31.789697][  T429] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 31.790077][ T429] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 31.790399][ T429] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   31.791500][  T429] RSP: 0018:ffffc90000566ef0 EFLAGS: 00010246
[   31.791892][  T429] RAX: 0000000000000000 RBX: ffff88800f3b2000 RCX: 0000000000000001
[   31.792358][  T429] RDX: 0000000000000000 RSI: ffffffff8c89b939 RDI: ffffffff8c0555e0
[   31.792811][  T429] RBP: ffffc90000566fe0 R08: 0000000000000000 R09: 0000000000000000
[   31.793273][  T429] R10: ffffc90000567010 R11: ffffffff8cd79160 R12: 1ffff920000acde2
[   31.793736][  T429] R13: 00000000000005dc R14: ffffc90000567010 R15: ffff88800f3b2f08
[   31.794193][  T429] FS:  00007f44ccd41800(0000) GS:ffff8880a0ab7000(0000) knlGS:0000000000000000
[   31.794732][  T429] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.795116][  T429] CR2: 00000000004e5de8 CR3: 0000000004e00006 CR4: 0000000000772ef0
[   31.795582][  T429] PKRU: 55555554
[   31.795818][  T429] Call Trace:
[   31.796049][  T429]  <TASK>
[ 31.796206][ T429] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 31.796524][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.796841][ T429] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.797146][ T429] netif_set_mtu (net/core/dev.c:9652) 
[ 31.797462][ T429] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 31.797782][ T429] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 31.798020][ T429] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 31.798457][ T429] br_add_if (net/bridge/br_if.c:697) bridge 
[ 31.798809][ T429] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 31.799117][ T429] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 31.799439][ T429] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 31.799838][ T429] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 31.800141][ T429] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 31.800458][ T429] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.800769][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.801076][ T429] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 31.801390][ T429] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 31.801766][ T429] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.802070][ T429] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.802381][ T429] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 31.802695][ T429] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 31.803002][ T429] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.803321][ T429] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 31.803628][ T429] ? __create_object (mm/kmemleak.c:771) 
[ 31.803934][ T429] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 31.804256][ T429] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 31.804559][ T429] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 31.804941][ T429] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 31.805271][ T429] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 31.805582][ T429] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.805884][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.806194][ T429] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.806510][ T429] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 31.806813][ T429] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.807119][ T429] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.807433][ T429] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 31.807745][ T429] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.808054][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.808389][ T429] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 31.808691][ T429] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.809002][ T429] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 31.809327][ T429] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 31.809639][ T429] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 31.809953][ T429] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 31.810273][ T429] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 31.810578][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.810885][ T429] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.811192][ T429] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 31.811505][ T429] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 31.811817][ T429] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.812132][ T429] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 31.812444][ T429] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 31.812833][ T429] ___sys_sendmsg (net/socket.c:2670) 
[ 31.813133][ T429] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 31.813446][ T429] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 31.813827][ T429] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 31.814136][ T429] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.814463][ T429] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.814776][ T429] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.815081][ T429] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 31.815394][ T429] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.815711][ T429] __sys_sendmsg (net/socket.c:2700) 
[ 31.816013][ T429] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 31.816395][ T429] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 31.816721][ T429] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.817027][ T429] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.817341][ T429] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.817717][  T429] RIP: 0033:0x7f44ccf0e1e7
[ 31.818029][ T429] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   31.819129][  T429] RSP: 002b:00007ffc8ca28598 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.819605][  T429] RAX: ffffffffffffffda RBX: 00007ffc8ca28cc0 RCX: 00007f44ccf0e1e7
[   31.820063][  T429] RDX: 0000000000000000 RSI: 00007ffc8ca28600 RDI: 0000000000000005
[   31.820540][  T429] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.821026][  T429] R10: 000000001cf53910 R11: 0000000000000246 R12: 0000000000000004
[   31.821515][  T429] R13: 00000000686e6fdf R14: 0000000000499600 R15: 0000000000000000
| [   36.346968][  T471] ------------[ cut here ]------------
| [ 36.347305][ T471] WARNING: CPU: 1 PID: 471 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   36.347938][  T471] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   36.349195][  T471] Tainted: [W]=WARN
[   36.349434][  T471] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.349826][ T471] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 36.350147][ T471] 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
[   36.351310][  T471] RSP: 0018:ffffc90000d1eef0 EFLAGS: 00010246
[   36.351713][  T471] RAX: 0000000000000000 RBX: ffff88800a2d2000 RCX: 0000000000000001
[   36.352175][  T471] RDX: 0000000000000000 RSI: ffffffff8c89b939 RDI: ffffffff8c0555e0
[   36.354232][  T471] RBP: ffffc90000d1efe0 R08: 0000000000000000 R09: 0000000000000000
[   36.354804][  T471] R10: ffffc90000d1f010 R11: ffffffff8cd79160 R12: 1ffff920001a3de2
[   36.355287][  T471] R13: 00000000000005dc R14: ffffc90000d1f010 R15: ffff88800a2d2f08
[   36.355794][  T471] FS:  00007f00c5ee7800(0000) GS:ffff8880a0b37000(0000) knlGS:0000000000000000
[   36.356340][  T471] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.356722][  T471] CR2: 00000000004e6898 CR3: 000000000e1e8003 CR4: 0000000000772ef0
[   36.357180][  T471] PKRU: 55555554
[   36.357420][  T471] Call Trace:
[   36.357649][  T471]  <TASK>
[ 36.357808][ T471] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.358126][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.358474][ T471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.358791][ T471] netif_set_mtu (net/core/dev.c:9652) 
[ 36.359100][ T471] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 36.359500][ T471] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 36.359763][ T471] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 36.360213][ T471] br_add_if (net/bridge/br_if.c:697) bridge 
[ 36.360591][ T471] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 36.360904][ T471] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 36.361213][ T471] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.361608][ T471] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.361914][ T471] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.362217][ T471] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.362560][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.362880][ T471] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 36.363184][ T471] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.363632][ T471] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.363949][ T471] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.364267][ T471] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.364573][ T471] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.364880][ T471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.365192][ T471] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.365502][ T471] ? __create_object (mm/kmemleak.c:771) 
[ 36.365809][ T471] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.366115][ T471] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.366448][ T471] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.366831][ T471] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.367146][ T471] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.367520][ T471] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.367840][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.368150][ T471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.368466][ T471] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.368780][ T471] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.369088][ T471] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.369400][ T471] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.369727][ T471] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.370042][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.370361][ T471] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.370665][ T471] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.370970][ T471] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.371322][ T471] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.371643][ T471] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 36.371948][ T471] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 36.372277][ T471] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.372583][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.372898][ T471] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.373203][ T471] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.373535][ T471] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.373850][ T471] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.374158][ T471] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.374469][ T471] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.374868][ T471] ___sys_sendmsg (net/socket.c:2670) 
[ 36.375169][ T471] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.375531][ T471] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 36.375917][ T471] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.376223][ T471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.376541][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.376850][ T471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.377156][ T471] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.377468][ T471] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.377779][ T471] __sys_sendmsg (net/socket.c:2700) 
[ 36.378079][ T471] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.378461][ T471] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.378778][ T471] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.379086][ T471] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.379461][ T471] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.379856][  T471] RIP: 0033:0x7f00c60b41e7
[ 36.380172][ T471] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   36.381266][  T471] RSP: 002b:00007fffa86f75f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.381750][  T471] RAX: ffffffffffffffda RBX: 00007fffa86f7d20 RCX: 00007f00c60b41e7
[   36.382203][  T471] RDX: 0000000000000000 RSI: 00007fffa86f7660 RDI: 0000000000000005
[   36.382671][  T471] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   36.383127][  T471] R10: 000000004025b910 R11: 0000000000000246 R12: 0000000000000004
[   36.383645][  T471] R13: 00000000686e6fe4 R14: 0000000000499600 R15: 0000000000000000
| [   37.364974][  T479] ------------[ cut here ]------------
| [ 37.365342][ T479] WARNING: CPU: 2 PID: 479 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) 
| [   37.365975][  T479] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   37.367304][  T479] Tainted: [W]=WARN
[   37.367554][  T479] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.367952][ T479] 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) 
[ 37.369066][ T479] 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
[   37.370241][  T479] RSP: 0018:ffffc90000deeef0 EFLAGS: 00010246
[   37.370664][  T479] RAX: 0000000000000000 RBX: ffff88800a2d2000 RCX: 0000000000000001
[   37.371137][  T479] RDX: 0000000000000000 RSI: ffffffff8c89b939 RDI: ffffffff8c0555e0
[   37.371645][  T479] RBP: ffffc90000deefe0 R08: 0000000000000000 R09: 0000000000000000
[   37.372127][  T479] R10: ffffc90000def010 R11: ffffffff8cd79160 R12: 1ffff920001bdde2
[   37.372618][  T479] R13: 00000000000005dc R14: ffffc90000def010 R15: ffff88800a2d2f08
[   37.373139][  T479] FS:  00007fe5774d1800(0000) GS:ffff8880a0bb7000(0000) knlGS:0000000000000000
[   37.373734][  T479] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.374164][  T479] CR2: 00000000004e5ce0 CR3: 00000000101dc005 CR4: 0000000000772ef0
[   37.374690][  T479] PKRU: 55555554
[   37.374949][  T479] Call Trace:
[   37.375209][  T479]  <TASK>
[ 37.375419][ T479] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.375767][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.376116][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.376468][ T479] netif_set_mtu (net/core/dev.c:9652) 
[ 37.376820][ T479] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 37.377174][ T479] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 37.377448][ T479] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 37.377923][ T479] br_add_if (net/bridge/br_if.c:697) bridge 
[ 37.378325][ T479] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 37.378675][ T479] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 37.379023][ T479] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.379493][ T479] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.379881][ T479] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.380240][ T479] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.380623][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.380981][ T479] ? __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) 
[ 37.381349][ T479] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.381786][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.382152][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.382513][ T479] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.382857][ T479] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.383200][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.383587][ T479] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.383934][ T479] ? __create_object (mm/kmemleak.c:771) 
[ 37.384288][ T479] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.384624][ T479] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.384955][ T479] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.385377][ T479] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.385728][ T479] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.386071][ T479] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.386425][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.386775][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.387124][ T479] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.387493][ T479] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.387840][ T479] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.388172][ T479] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.388527][ T479] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.388853][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.389183][ T479] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.389546][ T479] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.389893][ T479] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.390263][ T479] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.390588][ T479] ? 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) 
[ 37.390925][ T479] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 37.391301][ T479] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.391625][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.391954][ T479] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.392293][ T479] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.392626][ T479] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.392957][ T479] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.393333][ T479] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.393658][ T479] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.394065][ T479] ___sys_sendmsg (net/socket.c:2670) 
[ 37.394417][ T479] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.394748][ T479] ? __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) 
[ 37.395160][ T479] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.395524][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.395853][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.396198][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.396536][ T479] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.396860][ T479] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.397225][ T479] __sys_sendmsg (net/socket.c:2700) 
[ 37.397584][ T479] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.397982][ T479] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.398329][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.398654][ T479] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.398976][ T479] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.399424][  T479] RIP: 0033:0x7fe57769e1e7
[ 37.399780][ T479] 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)
[   37.400961][  T479] RSP: 002b:00007fff6952fb08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.401472][  T479] RAX: ffffffffffffffda RBX: 00007fff69530230 RCX: 00007fe57769e1e7
[   37.401982][  T479] RDX: 0000000000000000 RSI: 00007fff6952fb70 RDI: 0000000000000005
[   37.402508][  T479] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   37.403013][  T479] R10: 000000003c68d910 R11: 0000000000000246 R12: 0000000000000004
[   37.403533][  T479] R13: 00000000686e6fe5 R14: 0000000000499600 R15: 0000000000000000
| [   38.371469][  T486] ------------[ cut here ]------------
| [ 38.371858][ T486] WARNING: CPU: 3 PID: 486 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) 
| [   38.373450][  T486] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   38.375109][  T486] Tainted: [W]=WARN
[   38.375577][  T486] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.376107][ T486] 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) 
[ 38.376569][ T486] 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
[   38.378514][  T486] RSP: 0018:ffffc90000e4eef0 EFLAGS: 00010246
[   38.379209][  T486] RAX: 0000000000000000 RBX: ffff88800a2d2000 RCX: 0000000000000001
[   38.380045][  T486] RDX: 0000000000000000 RSI: ffffffff8c89b939 RDI: ffffffff8c0555e0
[   38.380844][  T486] RBP: ffffc90000e4efe0 R08: 0000000000000000 R09: 0000000000000000
[   38.381604][  T486] R10: ffffc90000e4f010 R11: ffffffff8cd79160 R12: 1ffff920001c9de2
[   38.382440][  T486] R13: 00000000000005dc R14: ffffc90000e4f010 R15: ffff88800a2d2f08
[   38.383241][  T486] FS:  00007f1e81568800(0000) GS:ffff8880a0c37000(0000) knlGS:0000000000000000
[   38.384190][  T486] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.384898][  T486] CR2: 00000000004e5de8 CR3: 000000000b8fc004 CR4: 0000000000772ef0
[   38.385761][  T486] PKRU: 55555554
[   38.386172][  T486] Call Trace:
[   38.386607][  T486]  <TASK>
[ 38.386904][ T486] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.387468][ T486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.388015][ T486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.388571][ T486] netif_set_mtu (net/core/dev.c:9652) 
[ 38.389061][ T486] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 38.389660][ T486] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 38.390083][ T486] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 38.390848][ T486] br_add_if (net/bridge/br_if.c:697) bridge 
[ 38.391501][ T486] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 38.392066][ T486] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 38.392633][ T486] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.393359][ T486] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.393902][ T486] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.394467][ T486] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.395019][ T486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.395548][ T486] ? __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) 
[ 38.396082][ T486] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.396781][ T486] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.397369][ T486] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.397912][ T486] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.398477][ T486] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.399024][ T486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.399637][ T486] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.400002][ T486] ? __create_object (mm/kmemleak.c:771) 
[ 38.400354][ T486] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.400678][ T486] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.401002][ T486] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.401424][ T486] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.401752][ T486] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.402073][ T486] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.402411][ T486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.402744][ T486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.403065][ T486] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.403406][ T486] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.403734][ T486] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.404054][ T486] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.404395][ T486] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.404717][ T486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.405043][ T486] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.405381][ T486] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.405702][ T486] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.406041][ T486] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.406369][ T486] ? 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) 
[ 38.406696][ T486] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 38.407021][ T486] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.407360][ T486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.407687][ T486] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.408011][ T486] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.408347][ T486] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.408679][ T486] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.409002][ T486] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.409329][ T486] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.409751][ T486] ___sys_sendmsg (net/socket.c:2670) 
[ 38.410067][ T486] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.410399][ T486] ? __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) 
[ 38.410813][ T486] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.411134][ T486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.411470][ T486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.411794][ T486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.412110][ T486] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.412440][ T486] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.412768][ T486] __sys_sendmsg (net/socket.c:2700) 
[ 38.413098][ T486] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.413505][ T486] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.413838][ T486] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.414158][ T486] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.414487][ T486] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.414883][  T486] RIP: 0033:0x7f1e817351e7
[ 38.415219][ T486] 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)
[   38.416374][  T486] RSP: 002b:00007fff13fe7978 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.416855][  T486] RAX: ffffffffffffffda RBX: 00007fff13fe80a0 RCX: 00007f1e817351e7
[   38.417360][  T486] RDX: 0000000000000000 RSI: 00007fff13fe79e0 RDI: 0000000000000005
[   38.417839][  T486] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   38.418329][  T486] R10: 0000000013c48910 R11: 0000000000000246 R12: 0000000000000004
[   38.418804][  T486] R13: 00000000686e6fe6 R14: 0000000000499600 R15: 0000000000000000
| [  152.093645][  T782] ------------[ cut here ]------------
| [ 152.094288][ T782] WARNING: CPU: 2 PID: 782 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) 
| [  152.096265][  T782] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  152.098687][  T782] Tainted: [W]=WARN
[  152.099141][  T782] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 152.099874][ T782] 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) 
[ 152.100501][ T782] 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
[  152.102506][  T782] RSP: 0018:ffffc90000edef70 EFLAGS: 00010246
[  152.103223][  T782] RAX: 0000000000000000 RBX: ffff888005082000 RCX: 0000000000000001
[  152.104062][  T782] RDX: 0000000000000000 RSI: ffffffff8c89b939 RDI: ffffffff8c0555e0
[  152.104933][  T782] RBP: ffffc90000edf058 R08: 0000000000000000 R09: 0000000000000000
[  152.105807][  T782] R10: ffffc90000edf088 R11: ffffffff88c00130 R12: 1ffff920001dbdf2
[  152.106674][  T782] R13: 00000000000005dc R14: ffffc90000edf088 R15: ffff888005082f08
[  152.107236][  T782] FS:  00007f5e2d21a800(0000) GS:ffff8880a0bb7000(0000) knlGS:0000000000000000
[  152.107841][  T782] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  152.108251][  T782] CR2: 00000000004e5ab0 CR3: 00000000108fe003 CR4: 0000000000772ef0
[  152.108749][  T782] PKRU: 55555554
[  152.108992][  T782] Call Trace:
[  152.109239][  T782]  <TASK>
[ 152.109432][ T782] ? __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) 
[ 152.109874][ T782] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 152.110260][ T782] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 152.110600][ T782] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 152.110924][ T782] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 152.111256][ T782] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 152.111611][ T782] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 152.111931][ T782] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 152.112278][ T782] ? ___sys_sendmsg (net/socket.c:2670) 
[ 152.112631][ T782] ? __sys_sendmsg (net/socket.c:2700) 
[ 152.112986][ T782] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 152.113333][ T782] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 152.113742][ T782] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 152.114078][ T782] netif_set_mtu (net/core/dev.c:9652) 
[ 152.114430][ T782] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 152.114796][ T782] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 152.115055][ T782] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 152.115513][ T782] br_del_if (net/bridge/br_if.c:743) bridge 
[ 152.115889][ T782] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 152.116208][ T782] do_set_master (net/core/rtnetlink.c:2932) 
[ 152.116547][ T782] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 152.116886][ T782] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 152.117294][ T782] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 152.117644][ T782] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 152.117965][ T782] ? __kernel_text_address (kernel/extable.c:79) 
[ 152.118304][ T782] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 152.118638][ T782] ? __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) 
[ 152.118955][ T782] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 152.119357][ T782] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 152.119713][ T782] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 152.120030][ T782] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 152.120366][ T782] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 152.120703][ T782] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 152.121019][ T782] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 152.121345][ T782] ? __create_object (mm/kmemleak.c:771) 
[ 152.121689][ T782] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 152.122010][ T782] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 152.122348][ T782] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 152.122753][ T782] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 152.123079][ T782] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 152.123415][ T782] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 152.123750][ T782] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 152.124071][ T782] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 152.124411][ T782] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 152.124739][ T782] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 152.125058][ T782] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 152.125393][ T782] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 152.125731][ T782] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 152.126050][ T782] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 152.126383][ T782] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 152.126712][ T782] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 152.127032][ T782] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 152.127370][ T782] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 152.127719][ T782] ? 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) 
[ 152.128037][ T782] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 152.128370][ T782] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 152.128700][ T782] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 152.129020][ T782] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 152.129355][ T782] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 152.129697][ T782] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 152.130035][ T782] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 152.130371][ T782] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 152.130714][ T782] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 152.131116][ T782] ___sys_sendmsg (net/socket.c:2670) 
[ 152.131445][ T782] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 152.131777][ T782] ? __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) 
[ 152.132168][ T782] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 152.132505][ T782] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 152.132825][ T782] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 152.133146][ T782] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 152.133477][ T782] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 152.133799][ T782] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 152.134121][ T782] __sys_sendmsg (net/socket.c:2700) 
[ 152.134454][ T782] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 152.134843][ T782] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 152.135176][ T782] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 152.135505][ T782] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 152.135822][ T782] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  152.136210][  T782] RIP: 0033:0x7f5e2d3e71e7
[ 152.136552][ T782] 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)
[  152.137797][  T782] RSP: 002b:00007ffea0c49ae8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  152.138485][  T782] RAX: ffffffffffffffda RBX: 00007ffea0c4a210 RCX: 00007f5e2d3e71e7
[  152.139280][  T782] RDX: 0000000000000000 RSI: 00007ffea0c49b50 RDI: 0000000000000005
[  152.139927][  T782] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  152.140422][  T782] R10: 00007f5e2d2e4ee8 R11: 0000000000000246 R12: 0000000000000003
[  152.140893][  T782] R13: 00000000686e7057 R14: 0000000000499600 R15: 0000000000000000
| [  152.829215][  T787] ------------[ cut here ]------------
| [ 152.829551][ T787] WARNING: CPU: 1 PID: 787 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) 
| [  152.830187][  T787] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  152.831590][  T787] Tainted: [W]=WARN
[  152.831820][  T787] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 152.832200][ T787] 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) 
[ 152.832525][ T787] 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
[  152.833618][  T787] RSP: 0018:ffffc90000f2ef70 EFLAGS: 00010246
[  152.834001][  T787] RAX: 0000000000000000 RBX: ffff888005082000 RCX: 0000000000000001
[  152.834474][  T787] RDX: 0000000000000000 RSI: ffffffff8c89b939 RDI: ffffffff8c0555e0
[  152.834938][  T787] RBP: ffffc90000f2f058 R08: 0000000000000000 R09: 0000000000000000
[  152.836436][  T787] R10: ffffc90000f2f088 R11: ffffffff8cd79160 R12: 1ffff920001e5df2
[  152.836894][  T787] R13: 00000000000005dc R14: ffffc90000f2f088 R15: ffff888005082f08
[  152.837353][  T787] FS:  00007fc1e08f5800(0000) GS:ffff8880a0b37000(0000) knlGS:0000000000000000
[  152.837879][  T787] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  152.838275][  T787] CR2: 00000000004e5aa8 CR3: 000000000e3e2003 CR4: 0000000000772ef0
[  152.838739][  T787] PKRU: 55555554
[  152.838964][  T787] Call Trace:
[  152.839189][  T787]  <TASK>
[ 152.839350][ T787] ? __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) 
[ 152.839752][ T787] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 152.840097][ T787] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 152.840410][ T787] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 152.840722][ T787] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 152.841023][ T787] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 152.841333][ T787] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 152.841634][ T787] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 152.841934][ T787] ? ___sys_sendmsg (net/socket.c:2670) 
[ 152.842234][ T787] ? __sys_sendmsg (net/socket.c:2700) 
[ 152.842554][ T787] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 152.842857][ T787] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 152.843232][ T787] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 152.843552][ T787] netif_set_mtu (net/core/dev.c:9652) 
[ 152.843856][ T787] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 152.844174][ T787] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 152.844412][ T787] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 152.844829][ T787] br_del_if (net/bridge/br_if.c:743) bridge 
[ 152.845166][ T787] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 152.845476][ T787] do_set_master (net/core/rtnetlink.c:2932) 
[ 152.845786][ T787] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 152.846092][ T787] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 152.846508][ T787] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 152.846821][ T787] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 152.847121][ T787] ? __kernel_text_address (kernel/extable.c:79) 
[ 152.847442][ T787] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 152.847751][ T787] ? __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) 
[ 152.848057][ T787] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 152.848439][ T787] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 152.848743][ T787] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 152.849046][ T787] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 152.849355][ T787] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 152.849668][ T787] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 152.849973][ T787] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 152.850291][ T787] ? __create_object (mm/kmemleak.c:771) 
[ 152.850601][ T787] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 152.850905][ T787] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 152.851206][ T787] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 152.851593][ T787] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 152.851917][ T787] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 152.852223][ T787] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 152.852532][ T787] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 152.852849][ T787] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 152.853152][ T787] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 152.853459][ T787] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 152.853763][ T787] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 152.854064][ T787] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 152.854389][ T787] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 152.854696][ T787] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 152.855009][ T787] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 152.855322][ T787] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 152.855626][ T787] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 152.855940][ T787] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 152.856241][ T787] ? 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) 
[ 152.856553][ T787] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 152.856858][ T787] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 152.857162][ T787] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 152.857478][ T787] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 152.857786][ T787] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 152.858091][ T787] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 152.858440][ T787] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 152.858756][ T787] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 152.859057][ T787] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 152.859464][ T787] ___sys_sendmsg (net/socket.c:2670) 
[ 152.859775][ T787] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 152.860078][ T787] ? __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) 
[ 152.860463][ T787] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 152.860770][ T787] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 152.861075][ T787] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 152.861395][ T787] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 152.861701][ T787] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 152.862007][ T787] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 152.862334][ T787] __sys_sendmsg (net/socket.c:2700) 
[ 152.862647][ T787] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 152.863022][ T787] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 152.863346][ T787] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 152.863650][ T787] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 152.863954][ T787] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  152.864349][  T787] RIP: 0033:0x7fc1e0ac21e7
[ 152.864664][ T787] 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)
[  152.865763][  T787] RSP: 002b:00007ffcd66ab138 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  152.866223][  T787] RAX: ffffffffffffffda RBX: 00007ffcd66ab860 RCX: 00007fc1e0ac21e7
[  152.866720][  T787] RDX: 0000000000000000 RSI: 00007ffcd66ab1a0 RDI: 0000000000000005
[  152.867176][  T787] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  152.867640][  T787] R10: 00007fc1e09bfee8 R11: 0000000000000246 R12: 0000000000000003
[  152.868092][  T787] R13: 00000000686e7058 R14: 0000000000499600 R15: 0000000000000000
| [  153.092211][  T789] ------------[ cut here ]------------
| [ 153.092601][ T789] WARNING: CPU: 2 PID: 789 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) 
| [  153.093251][  T789] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  153.094713][  T789] Tainted: [W]=WARN
[  153.094971][  T789] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 153.095394][ T789] 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) 
[ 153.095744][ T789] 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
[  153.096900][  T789] RSP: 0018:ffffc90000f2ef70 EFLAGS: 00010246
[  153.097322][  T789] RAX: 0000000000000000 RBX: ffff888005082000 RCX: 0000000000000001
[  153.097820][  T789] RDX: 0000000000000000 RSI: ffffffff8c89b939 RDI: ffffffff8c0555e0
[  153.099379][  T789] RBP: ffffc90000f2f058 R08: 0000000000000000 R09: 0000000000000000
[  153.099896][  T789] R10: ffffc90000f2f088 R11: ffffffff8cd79160 R12: 1ffff920001e5df2
[  153.100399][  T789] R13: 00000000000005dc R14: ffffc90000f2f088 R15: ffff888005082f08
[  153.100893][  T789] FS:  00007fe5afc8a800(0000) GS:ffff8880a0bb7000(0000) knlGS:0000000000000000
[  153.101475][  T789] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  153.101893][  T789] CR2: 00000000004e5de8 CR3: 000000000faa1002 CR4: 0000000000772ef0
[  153.102396][  T789] PKRU: 55555554
[  153.102649][  T789] Call Trace:
[  153.102902][  T789]  <TASK>
[ 153.103081][ T789] ? __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) 
[ 153.103510][ T789] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 153.103886][ T789] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 153.104220][ T789] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 153.104567][ T789] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 153.104898][ T789] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 153.105233][ T789] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 153.105575][ T789] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 153.105915][ T789] ? ___sys_sendmsg (net/socket.c:2670) 
[ 153.106254][ T789] ? __sys_sendmsg (net/socket.c:2700) 
[ 153.106588][ T789] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 153.106920][ T789] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 153.107340][ T789] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 153.107683][ T789] netif_set_mtu (net/core/dev.c:9652) 
[ 153.108019][ T789] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 153.108384][ T789] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 153.108641][ T789] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 153.109088][ T789] br_del_if (net/bridge/br_if.c:743) bridge 
[ 153.109472][ T789] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 153.109820][ T789] do_set_master (net/core/rtnetlink.c:2932) 
[ 153.110154][ T789] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 153.110501][ T789] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 153.110916][ T789] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 153.111261][ T789] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 153.111595][ T789] ? __kernel_text_address (kernel/extable.c:79) 
[ 153.111928][ T789] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 153.112275][ T789] ? __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) 
[ 153.112609][ T789] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 153.113021][ T789] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 153.113365][ T789] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 153.113703][ T789] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 153.114034][ T789] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 153.114379][ T789] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 153.114712][ T789] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 153.115044][ T789] ? __create_object (mm/kmemleak.c:771) 
[ 153.115404][ T789] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 153.115743][ T789] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 153.116080][ T789] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 153.116504][ T789] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 153.116841][ T789] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 153.117180][ T789] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 153.117528][ T789] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 153.117868][ T789] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 153.118198][ T789] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 153.118556][ T789] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 153.118904][ T789] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 153.119240][ T789] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 153.119586][ T789] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 153.119933][ T789] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 153.120281][ T789] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 153.120614][ T789] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 153.120944][ T789] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 153.121304][ T789] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 153.121639][ T789] ? 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) 
[ 153.121975][ T789] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 153.122324][ T789] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 153.122655][ T789] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 153.122992][ T789] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 153.123346][ T789] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 153.123695][ T789] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 153.124035][ T789] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 153.124379][ T789] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 153.124708][ T789] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 153.125129][ T789] ___sys_sendmsg (net/socket.c:2670) 
[ 153.125469][ T789] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 153.125798][ T789] ? __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) 
[ 153.126215][ T789] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 153.126556][ T789] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 153.126889][ T789] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 153.127229][ T789] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 153.127571][ T789] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 153.127904][ T789] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 153.128253][ T789] __sys_sendmsg (net/socket.c:2700) 
[ 153.128583][ T789] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 153.128993][ T789] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 153.129346][ T789] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 153.129683][ T789] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 153.130020][ T789] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  153.130439][  T789] RIP: 0033:0x7fe5afe571e7
[ 153.130782][ T789] 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)
[  153.131926][  T789] RSP: 002b:00007ffc8ac49518 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  153.132410][  T789] RAX: ffffffffffffffda RBX: 00007ffc8ac49c40 RCX: 00007fe5afe571e7
[  153.132875][  T789] RDX: 0000000000000000 RSI: 00007ffc8ac49580 RDI: 0000000000000005
[  153.133373][  T789] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  153.133851][  T789] R10: 00007fe5afd54ee8 R11: 0000000000000246 R12: 0000000000000003
[  153.134331][  T789] R13: 00000000686e7058 R14: 0000000000499600 R15: 0000000000000000
| [  153.614794][  T793] ------------[ cut here ]------------
| [ 153.615135][ T793] WARNING: CPU: 2 PID: 793 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) 
| [  153.615758][  T793] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  153.617122][  T793] Tainted: [W]=WARN
[  153.617388][  T793] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 153.617782][ T793] 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) 
[ 153.618110][ T793] 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
[  153.619209][  T793] RSP: 0018:ffffc90000f7ef70 EFLAGS: 00010246
[  153.619618][  T793] RAX: 0000000000000000 RBX: ffff888005082000 RCX: 0000000000000001
[  153.620101][  T793] RDX: 0000000000000000 RSI: ffffffff8c89b939 RDI: ffffffff8c0555e0
[  153.620576][  T793] RBP: ffffc90000f7f058 R08: 0000000000000000 R09: 0000000000000000
[  153.621044][  T793] R10: ffffc90000f7f088 R11: ffffffff8cd79160 R12: 1ffff920001efdf2
[  153.621531][  T793] R13: 00000000000005dc R14: ffffc90000f7f088 R15: ffff888005082f08
[  153.622004][  T793] FS:  00007f6fc2d7b800(0000) GS:ffff8880a0bb7000(0000) knlGS:0000000000000000
[  153.622565][  T793] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  153.622964][  T793] CR2: 00000000004e5ce0 CR3: 0000000010808002 CR4: 0000000000772ef0
[  153.623447][  T793] PKRU: 55555554
[  153.623691][  T793] Call Trace:
[  153.623934][  T793]  <TASK>
[ 153.624101][ T793] ? __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) 
[ 153.624508][ T793] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 153.624870][ T793] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 153.625192][ T793] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 153.625520][ T793] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 153.625836][ T793] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 153.626152][ T793] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 153.626626][ T793] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 153.627261][ T793] ? ___sys_sendmsg (net/socket.c:2670) 
[ 153.627719][ T793] ? __sys_sendmsg (net/socket.c:2700) 
[ 153.628132][ T793] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 153.628458][ T793] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 153.628853][ T793] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 153.629178][ T793] netif_set_mtu (net/core/dev.c:9652) 
[ 153.629510][ T793] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 153.629866][ T793] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 153.630109][ T793] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 153.630582][ T793] br_del_if (net/bridge/br_if.c:743) bridge 
[ 153.630946][ T793] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 153.631279][ T793] do_set_master (net/core/rtnetlink.c:2932) 
[ 153.631602][ T793] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 153.631929][ T793] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 153.632345][ T793] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 153.632665][ T793] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 153.632980][ T793] ? __kernel_text_address (kernel/extable.c:79) 
[ 153.633310][ T793] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 153.633630][ T793] ? __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) 
[ 153.633951][ T793] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 153.634365][ T793] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 153.634682][ T793] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 153.635007][ T793] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 153.635339][ T793] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 153.635665][ T793] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 153.635979][ T793] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 153.636306][ T793] ? __create_object (mm/kmemleak.c:771) 
[ 153.636625][ T793] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 153.636945][ T793] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 153.637272][ T793] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 153.637672][ T793] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 153.637999][ T793] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 153.638350][ T793] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 153.638664][ T793] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 153.638986][ T793] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 153.639326][ T793] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 153.639662][ T793] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 153.639980][ T793] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 153.640306][ T793] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 153.640623][ T793] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 153.640940][ T793] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 153.641273][ T793] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 153.641593][ T793] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 153.641911][ T793] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 153.642241][ T793] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 153.642568][ T793] ? 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) 
[ 153.642885][ T793] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 153.643208][ T793] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 153.643533][ T793] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 153.643856][ T793] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 153.644174][ T793] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 153.644506][ T793] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 153.644831][ T793] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 153.645154][ T793] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 153.645481][ T793] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 153.645895][ T793] ___sys_sendmsg (net/socket.c:2670) 
[ 153.646207][ T793] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 153.646536][ T793] ? __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) 
[ 153.646928][ T793] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 153.647259][ T793] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 153.647578][ T793] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 153.647901][ T793] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 153.648220][ T793] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 153.648547][ T793] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 153.648872][ T793] __sys_sendmsg (net/socket.c:2700) 
[ 153.649190][ T793] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 153.649596][ T793] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 153.649937][ T793] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 153.650264][ T793] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 153.650584][ T793] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  153.650970][  T793] RIP: 0033:0x7f6fc2f481e7
[ 153.651307][ T793] 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)
[  153.652416][  T793] RSP: 002b:00007fffb16cce58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  153.652890][  T793] RAX: ffffffffffffffda RBX: 00007fffb16cd580 RCX: 00007f6fc2f481e7
[  153.653368][  T793] RDX: 0000000000000000 RSI: 00007fffb16ccec0 RDI: 0000000000000005
[  153.653844][  T793] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  153.654324][  T793] R10: 00007f6fc2e45ee8 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