======================================
| [   22.743872][  T342] br1: port 1(vx100) entered forwarding state
| [   22.745168][  T342] ------------[ cut here ]------------
| [ 22.745511][ T342] WARNING: CPU: 2 PID: 342 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   22.746164][  T342] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
[   22.747528][  T342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.748091][ T342] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 22.748650][ T342] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   22.749962][  T342] RSP: 0018:ffffc900005d6ef0 EFLAGS: 00010246
[   22.750524][  T342] RAX: 0000000000000000 RBX: ffff88800eb2a000 RCX: 0000000000000001
[   22.751168][  T342] RDX: 0000000000000000 RSI: ffffffff9ec9b941 RDI: ffffffff9e4555e0
[   22.751651][  T342] RBP: ffffc900005d6fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.752144][  T342] R10: ffffc900005d7010 R11: ffffffff9faa8918 R12: 1ffff920000bade2
[   22.752623][  T342] R13: 00000000000005dc R14: ffffc900005d7010 R15: ffff88800eb2af08
[   22.753135][  T342] FS:  00007f21848c2800(0000) GS:ffff8880955b7000(0000) knlGS:0000000000000000
[   22.753712][  T342] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.754134][  T342] CR2: 00000000004e6890 CR3: 000000000bb9b002 CR4: 0000000000772ef0
[   22.754621][  T342] PKRU: 55555554
[   22.754899][  T342] Call Trace:
[   22.755169][  T342]  <TASK>
[ 22.755348][ T342] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.755987][ T342] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.756410][ T342] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.756749][ T342] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.757151][ T342] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.757478][ T342] netif_set_mtu (net/core/dev.c:9652) 
[ 22.757817][ T342] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.758150][ T342] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.758629][ T342] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.758903][ T342] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.759362][ T342] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.759757][ T342] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.760088][ T342] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.760417][ T342] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.760842][ T342] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.761167][ T342] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.761490][ T342] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.761828][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.762159][ T342] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 22.762479][ T342] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.762899][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.763259][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.763582][ T342] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.763913][ T342] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.764240][ T342] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.764562][ T342] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.764892][ T342] ? __create_object (mm/kmemleak.c:771) 
[ 22.765241][ T342] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.765564][ T342] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.765903][ T342] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.766300][ T342] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.766628][ T342] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.766984][ T342] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.767313][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.767643][ T342] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.767983][ T342] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.768306][ T342] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.768630][ T342] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.768967][ T342] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.769293][ T342] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.769621][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.769963][ T342] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.770307][ T342] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.770629][ T342] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.770984][ T342] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.771305][ T342] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 22.771630][ T342] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.771966][ T342] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.772305][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.772632][ T342] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.772971][ T342] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.773325][ T342] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.773684][ T342] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.774034][ T342] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.774383][ T342] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.774828][ T342] ___sys_sendmsg (net/socket.c:2670) 
[ 22.775159][ T342] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.775505][ T342] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 22.775917][ T342] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.776241][ T342] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.776568][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.776908][ T342] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.777234][ T342] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.777558][ T342] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.777901][ T342] __sys_sendmsg (net/socket.c:2700) 
[ 22.778219][ T342] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.778618][ T342] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.779204][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.779534][ T342] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.779866][ T342] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.780261][  T342] RIP: 0033:0x7f2184a8f1e7
[ 22.780596][ T342] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   22.781711][  T342] RSP: 002b:00007fff10b8c588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.782202][  T342] RAX: ffffffffffffffda RBX: 00007fff10b8ccb0 RCX: 00007f2184a8f1e7
[   22.782698][  T342] RDX: 0000000000000000 RSI: 00007fff10b8c5f0 RDI: 0000000000000005
[   22.783183][  T342] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.784166][  T342] R10: 00000000276de910 R11: 0000000000000246 R12: 0000000000000004
[   22.784892][  T342] R13: 00000000686e49fc R14: 0000000000499600 R15: 0000000000000000
| [   23.034310][  T344] ------------[ cut here ]------------
| [ 23.034655][ T344] WARNING: CPU: 2 PID: 344 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   23.035307][  T344] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   23.037018][  T344] Tainted: [W]=WARN
[   23.037284][  T344] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.037708][ T344] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 23.038049][ T344] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.039270][  T344] RSP: 0018:ffffc900005f6ef0 EFLAGS: 00010246
[   23.039694][  T344] RAX: 0000000000000000 RBX: ffff88800eb2a000 RCX: 0000000000000001
[   23.040180][  T344] RDX: 0000000000000000 RSI: ffffffff9ec9b941 RDI: ffffffff9e4555e0
[   23.040714][  T344] RBP: ffffc900005f6fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.041190][  T344] R10: ffffc900005f7010 R11: ffffffff9faa8918 R12: 1ffff920000bede2
[   23.041674][  T344] R13: 00000000000005dc R14: ffffc900005f7010 R15: ffff88800eb2af08
[   23.042154][  T344] FS:  00007efdd5d1a800(0000) GS:ffff8880955b7000(0000) knlGS:0000000000000000
[   23.042736][  T344] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.043173][  T344] CR2: 00000000004e5aa8 CR3: 0000000014b51006 CR4: 0000000000772ef0
[   23.043652][  T344] PKRU: 55555554
[   23.043911][  T344] Call Trace:
[   23.044167][  T344]  <TASK>
[ 23.044344][ T344] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.044678][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.045038][ T344] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.045363][ T344] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.045773][ T344] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.046098][ T344] netif_set_mtu (net/core/dev.c:9652) 
[ 23.046452][ T344] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.046810][ T344] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.047257][ T344] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.047503][ T344] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.047963][ T344] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.048333][ T344] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.048673][ T344] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.049002][ T344] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.049404][ T344] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.049737][ T344] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.050059][ T344] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.050382][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.050733][ T344] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 23.051056][ T344] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.051457][ T344] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.051796][ T344] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.052118][ T344] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.052468][ T344] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.052865][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.053205][ T344] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.053524][ T344] ? __create_object (mm/kmemleak.c:771) 
[ 23.053860][ T344] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.054195][ T344] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.054531][ T344] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.054935][ T344] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.055258][ T344] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.055580][ T344] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.055910][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.056236][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.056556][ T344] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.056893][ T344] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.057213][ T344] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.057530][ T344] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.057865][ T344] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.058187][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.058510][ T344] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.058842][ T344] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.059172][ T344] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.059502][ T344] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.059839][ T344] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 23.060160][ T344] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.060487][ T344] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.060821][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.061173][ T344] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.061538][ T344] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.061891][ T344] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.062223][ T344] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.062554][ T344] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.062895][ T344] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.063326][ T344] ___sys_sendmsg (net/socket.c:2670) 
[ 23.063651][ T344] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.064001][ T344] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 23.064401][ T344] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.064739][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.065064][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.065392][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.065726][ T344] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.066059][ T344] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.066397][ T344] __sys_sendmsg (net/socket.c:2700) 
[ 23.066730][ T344] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.067127][ T344] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.067459][ T344] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.067798][ T344] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.068123][ T344] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.068519][  T344] RIP: 0033:0x7efdd5ee71e7
[ 23.068866][ T344] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   23.069998][  T344] RSP: 002b:00007fff5ad31bc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.070477][  T344] RAX: ffffffffffffffda RBX: 00007fff5ad322f0 RCX: 00007efdd5ee71e7
[   23.070983][  T344] RDX: 0000000000000000 RSI: 00007fff5ad31c30 RDI: 0000000000000005
[   23.071519][  T344] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.072011][  T344] R10: 000000000de19910 R11: 0000000000000246 R12: 0000000000000004
[   23.072515][  T344] R13: 00000000686e49fc R14: 0000000000499600 R15: 0000000000000000
| [   23.707944][  T350] ------------[ cut here ]------------
| [ 23.708477][ T350] WARNING: CPU: 3 PID: 350 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   23.710701][  T350] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   23.713246][  T350] Tainted: [W]=WARN
[   23.713681][  T350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.714406][ T350] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 23.715000][ T350] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.717019][  T350] RSP: 0018:ffffc90000666ef0 EFLAGS: 00010246
[   23.717738][  T350] RAX: 0000000000000000 RBX: ffff888004ea2000 RCX: 0000000000000001
[   23.718572][  T350] RDX: 0000000000000000 RSI: ffffffff9ec9b941 RDI: ffffffff9e4555e0
[   23.719419][  T350] RBP: ffffc90000666fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.720219][  T350] R10: ffffc90000667010 R11: ffffffff9faa8918 R12: 1ffff920000ccde2
[   23.721064][  T350] R13: 00000000000005dc R14: ffffc90000667010 R15: ffff888004ea2f08
[   23.721894][  T350] FS:  00007f1847125800(0000) GS:ffff888095637000(0000) knlGS:0000000000000000
[   23.722858][  T350] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.723565][  T350] CR2: 00000000004e5468 CR3: 0000000004ea8004 CR4: 0000000000772ef0
[   23.724392][  T350] PKRU: 55555554
[   23.724816][  T350] Call Trace:
[   23.725223][  T350]  <TASK>
[ 23.725504][ T350] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.726060][ T350] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.726590][ T350] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.727153][ T350] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.727852][ T350] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.728407][ T350] netif_set_mtu (net/core/dev.c:9652) 
[ 23.728985][ T350] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.729536][ T350] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.730316][ T350] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.730761][ T350] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.731513][ T350] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.732198][ T350] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.732780][ T350] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.733374][ T350] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.734114][ T350] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.734699][ T350] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.735279][ T350] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.735864][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.736432][ T350] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 23.737023][ T350] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.737732][ T350] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.738291][ T350] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.738874][ T350] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.739435][ T350] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.740000][ T350] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.740520][ T350] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.741060][ T350] ? __create_object (mm/kmemleak.c:771) 
[ 23.741609][ T350] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.742191][ T350] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.742765][ T350] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.743557][ T350] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.744142][ T350] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.744723][ T350] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.745281][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.745861][ T350] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.746398][ T350] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.746964][ T350] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.747529][ T350] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.748116][ T350] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.748691][ T350] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.749244][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.749824][ T350] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.750366][ T350] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.750938][ T350] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.751518][ T350] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.752116][ T350] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 23.752708][ T350] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.753294][ T350] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.754317][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.755358][ T350] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.755937][ T350] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.756770][ T350] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.757375][ T350] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.757969][ T350] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.758524][ T350] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.759304][ T350] ___sys_sendmsg (net/socket.c:2670) 
[ 23.759892][ T350] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.760445][ T350] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 23.761154][ T350] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.761738][ T350] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.762306][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.762883][ T350] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.763461][ T350] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.764468][ T350] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.765076][ T350] __sys_sendmsg (net/socket.c:2700) 
[ 23.765645][ T350] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.766372][ T350] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.766996][ T350] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.767573][ T350] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.768146][ T350] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.769315][  T350] RIP: 0033:0x7f18472f21e7
[ 23.770373][ T350] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   23.772855][  T350] RSP: 002b:00007ffe9881a328 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.773761][  T350] RAX: ffffffffffffffda RBX: 00007ffe9881aa50 RCX: 00007f18472f21e7
[   23.774603][  T350] RDX: 0000000000000000 RSI: 00007ffe9881a390 RDI: 0000000000000005
[   23.775885][  T350] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.776737][  T350] R10: 000000003bcbe910 R11: 0000000000000246 R12: 0000000000000004
[   23.778055][  T350] R13: 00000000686e49fd R14: 0000000000499600 R15: 0000000000000000
| [   24.199566][  T353] ------------[ cut here ]------------
| [ 24.199915][ T353] WARNING: CPU: 0 PID: 353 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) 
| [   24.200533][  T353] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   24.201817][  T353] Tainted: [W]=WARN
[   24.202058][  T353] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.202463][ T353] 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) 
[ 24.202848][ T353] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   24.204009][  T353] RSP: 0018:ffffc900006c6ef0 EFLAGS: 00010246
[   24.204442][  T353] RAX: 0000000000000000 RBX: ffff888004ea2000 RCX: 0000000000000001
[   24.204932][  T353] RDX: 0000000000000000 RSI: ffffffff9ec9b941 RDI: ffffffff9e4555e0
[   24.205402][  T353] RBP: ffffc900006c6fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.205885][  T353] R10: ffffc900006c7010 R11: ffffffff9faa8918 R12: 1ffff920000d8de2
[   24.206358][  T353] R13: 00000000000005dc R14: ffffc900006c7010 R15: ffff888004ea2f08
[   24.206861][  T353] FS:  00007f5db7cc1800(0000) GS:ffff8880954b7000(0000) knlGS:0000000000000000
[   24.207420][  T353] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.207828][  T353] CR2: 00000000004e5730 CR3: 0000000009ff1005 CR4: 0000000000772ef0
[   24.208299][  T353] PKRU: 55555554
[   24.208562][  T353] Call Trace:
[   24.208804][  T353]  <TASK>
[ 24.208968][ T353] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.209292][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.209617][ T353] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.209941][ T353] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.210355][ T353] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.210680][ T353] netif_set_mtu (net/core/dev.c:9652) 
[ 24.210996][ T353] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.211330][ T353] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.211775][ T353] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.212016][ T353] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.212453][ T353] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.212850][ T353] do_set_master (net/core/rtnetlink.c:2948) 
[ 24.213232][ T353] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.213549][ T353] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.213982][ T353] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.214297][ T353] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.214607][ T353] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.214957][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.215277][ T353] ? __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) 
[ 24.215589][ T353] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.215990][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.216325][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.216639][ T353] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.216960][ T353] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.217276][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.217645][ T353] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.217968][ T353] ? __create_object (mm/kmemleak.c:771) 
[ 24.218285][ T353] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.218608][ T353] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.218931][ T353] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.219322][ T353] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.219639][ T353] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.219968][ T353] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.220278][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.220596][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.220944][ T353] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.221267][ T353] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.221584][ T353] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.221904][ T353] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.222225][ T353] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.222540][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.222865][ T353] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.223198][ T353] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.223542][ T353] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.223887][ T353] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.224197][ T353] ? 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) 
[ 24.224511][ T353] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.224836][ T353] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.225149][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.225467][ T353] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.225798][ T353] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.226116][ T353] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.226446][ T353] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.226799][ T353] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.227114][ T353] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.227520][ T353] ___sys_sendmsg (net/socket.c:2670) 
[ 24.227841][ T353] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.228178][ T353] ? __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) 
[ 24.228567][ T353] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.228899][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.229214][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.229578][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.229901][ T353] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.230212][ T353] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.230530][ T353] __sys_sendmsg (net/socket.c:2700) 
[ 24.230851][ T353] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.231240][ T353] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.231562][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.231885][ T353] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.232230][ T353] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.232614][  T353] RIP: 0033:0x7f5db7e8e1e7
[ 24.232946][ T353] 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)
[   24.234259][  T353] RSP: 002b:00007fff0d68aba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.234754][  T353] RAX: ffffffffffffffda RBX: 00007fff0d68b2d0 RCX: 00007f5db7e8e1e7
[   24.235217][  T353] RDX: 0000000000000000 RSI: 00007fff0d68ac10 RDI: 0000000000000005
[   24.235689][  T353] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.236149][  T353] R10: 0000000031d7b910 R11: 0000000000000246 R12: 0000000000000004
[   24.236635][  T353] R13: 00000000686e49fd R14: 0000000000499600 R15: 0000000000000000
| [   28.758980][  T401] ------------[ cut here ]------------
| [ 28.759367][ T401] WARNING: CPU: 2 PID: 401 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   28.760046][  T401] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   28.761425][  T401] Tainted: [W]=WARN
[   28.762429][  T401] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 28.762869][ T401] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 28.763233][ T401] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   28.764588][  T401] RSP: 0018:ffffc90000a16ef0 EFLAGS: 00010246
[   28.765034][  T401] RAX: 0000000000000000 RBX: ffff88800eb0a000 RCX: 0000000000000001
[   28.765538][  T401] RDX: 0000000000000000 RSI: ffffffff9ec9b941 RDI: ffffffff9e4555e0
[   28.766044][  T401] RBP: ffffc90000a16fe0 R08: 0000000000000000 R09: 0000000000000000
[   28.766543][  T401] R10: ffffc90000a17010 R11: ffffffff9f179160 R12: 1ffff92000142de2
[   28.767050][  T401] R13: 00000000000005dc R14: ffffc90000a17010 R15: ffff88800eb0af08
[   28.767554][  T401] FS:  00007f566de39800(0000) GS:ffff8880955b7000(0000) knlGS:0000000000000000
[   28.768145][  T401] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.768565][  T401] CR2: 00000000004e68a0 CR3: 000000000c204004 CR4: 0000000000772ef0
[   28.769071][  T401] PKRU: 55555554
[   28.769334][  T401] Call Trace:
[   28.769602][  T401]  <TASK>
[ 28.769796][ T401] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 28.770138][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.770485][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.770833][ T401] netif_set_mtu (net/core/dev.c:9652) 
[ 28.771174][ T401] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 28.771524][ T401] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 28.771791][ T401] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 28.772260][ T401] br_add_if (net/bridge/br_if.c:697) bridge 
[ 28.772645][ T401] do_set_master (net/core/rtnetlink.c:2948) 
[ 28.773000][ T401] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 28.773355][ T401] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 28.773788][ T401] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 28.774128][ T401] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 28.774464][ T401] ? __kernel_text_address (kernel/extable.c:79) 
[ 28.774822][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.775160][ T401] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 28.775493][ T401] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 28.775917][ T401] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.776255][ T401] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.776592][ T401] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 28.776937][ T401] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 28.777279][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.777613][ T401] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 28.777961][ T401] ? __create_object (mm/kmemleak.c:771) 
[ 28.778304][ T401] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 28.778639][ T401] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 28.778984][ T401] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 28.779399][ T401] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 28.779747][ T401] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 28.780094][ T401] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.780427][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.780782][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.781117][ T401] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 28.781448][ T401] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.781793][ T401] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.782128][ T401] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 28.782464][ T401] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.782818][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.783168][ T401] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 28.783512][ T401] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.783859][ T401] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 28.784207][ T401] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 28.784542][ T401] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 28.784902][ T401] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 28.785241][ T401] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 28.785578][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.785930][ T401] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 28.786273][ T401] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 28.786612][ T401] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 28.786966][ T401] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 28.787309][ T401] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 28.787643][ T401] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 28.788078][ T401] ___sys_sendmsg (net/socket.c:2670) 
[ 28.788413][ T401] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 28.788759][ T401] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 28.789176][ T401] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 28.789514][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.789862][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.790208][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.790547][ T401] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 28.790898][ T401] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.791238][ T401] __sys_sendmsg (net/socket.c:2700) 
[ 28.791571][ T401] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 28.791996][ T401] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 28.792349][ T401] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.792704][ T401] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 28.793042][ T401] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   28.793465][  T401] RIP: 0033:0x7f566e0061e7
[ 28.793820][ T401] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   28.795718][  T401] RSP: 002b:00007ffea1b6c798 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   28.796228][  T401] RAX: ffffffffffffffda RBX: 00007ffea1b6cec0 RCX: 00007f566e0061e7
[   28.796731][  T401] RDX: 0000000000000000 RSI: 00007ffea1b6c800 RDI: 0000000000000005
[   28.797226][  T401] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   28.797730][  T401] R10: 0000000033e47910 R11: 0000000000000246 R12: 0000000000000004
[   28.798237][  T401] R13: 00000000686e4a02 R14: 0000000000499600 R15: 0000000000000000
| [   29.466833][  T407] ------------[ cut here ]------------
| [ 29.467179][ T407] WARNING: CPU: 3 PID: 407 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   29.467833][  T407] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   29.469168][  T407] Tainted: [W]=WARN
[   29.469416][  T407] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.470530][ T407] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 29.470883][ T407] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   29.472041][  T407] RSP: 0018:ffffc90000ad6ef0 EFLAGS: 00010246
[   29.472448][  T407] RAX: 0000000000000000 RBX: ffff88800eb0a000 RCX: 0000000000000001
[   29.472945][  T407] RDX: 0000000000000000 RSI: ffffffff9ec9b941 RDI: ffffffff9e4555e0
[   29.473444][  T407] RBP: ffffc90000ad6fe0 R08: 0000000000000000 R09: 0000000000000000
[   29.473944][  T407] R10: ffffc90000ad7010 R11: ffffffff9f179160 R12: 1ffff9200015ade2
[   29.474438][  T407] R13: 00000000000005dc R14: ffffc90000ad7010 R15: ffff88800eb0af08
[   29.474936][  T407] FS:  00007fe2738c3800(0000) GS:ffff888095637000(0000) knlGS:0000000000000000
[   29.475510][  T407] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.475926][  T407] CR2: 00000000004e68a0 CR3: 000000000e925001 CR4: 0000000000772ef0
[   29.476417][  T407] PKRU: 55555554
[   29.476676][  T407] Call Trace:
[   29.476920][  T407]  <TASK>
[ 29.477089][ T407] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 29.477420][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.477767][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.478101][ T407] netif_set_mtu (net/core/dev.c:9652) 
[ 29.478431][ T407] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 29.478782][ T407] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 29.479030][ T407] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 29.479476][ T407] br_add_if (net/bridge/br_if.c:697) bridge 
[ 29.479878][ T407] do_set_master (net/core/rtnetlink.c:2948) 
[ 29.480213][ T407] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 29.480540][ T407] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 29.480954][ T407] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 29.481277][ T407] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 29.481601][ T407] ? __kernel_text_address (kernel/extable.c:79) 
[ 29.481936][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.482265][ T407] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 29.482586][ T407] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 29.482995][ T407] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.483335][ T407] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.483654][ T407] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 29.483992][ T407] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 29.484320][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.484649][ T407] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 29.484984][ T407] ? __create_object (mm/kmemleak.c:771) 
[ 29.485314][ T407] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 29.485641][ T407] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 29.485977][ T407] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 29.486384][ T407] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 29.486722][ T407] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 29.487050][ T407] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.487376][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.487709][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.488032][ T407] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 29.488352][ T407] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.488690][ T407] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.489014][ T407] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 29.489335][ T407] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.489672][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.490014][ T407] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 29.490335][ T407] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.490658][ T407] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 29.491000][ T407] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 29.491321][ T407] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 29.491643][ T407] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 29.491979][ T407] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 29.492303][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.492634][ T407] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 29.492969][ T407] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 29.493300][ T407] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 29.493632][ T407] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 29.493969][ T407] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 29.494291][ T407] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 29.494722][ T407] ___sys_sendmsg (net/socket.c:2670) 
[ 29.495043][ T407] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 29.495363][ T407] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 29.495775][ T407] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 29.496102][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.496429][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.496771][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.497097][ T407] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 29.497419][ T407] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.497758][ T407] __sys_sendmsg (net/socket.c:2700) 
[ 29.498079][ T407] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 29.498477][ T407] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 29.498821][ T407] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.499148][ T407] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 29.499475][ T407] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   29.499896][  T407] RIP: 0033:0x7fe273a901e7
[ 29.500231][ T407] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   29.501402][  T407] RSP: 002b:00007fff8dec0588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.501901][  T407] RAX: ffffffffffffffda RBX: 00007fff8dec0cb0 RCX: 00007fe273a901e7
[   29.502386][  T407] RDX: 0000000000000000 RSI: 00007fff8dec05f0 RDI: 0000000000000005
[   29.502875][  T407] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   29.503391][  T407] R10: 000000000c735910 R11: 0000000000000246 R12: 0000000000000004
[   29.503891][  T407] R13: 00000000686e4a03 R14: 0000000000499600 R15: 0000000000000000
| [   33.805430][  T455] ------------[ cut here ]------------
| [ 33.805839][ T455] WARNING: CPU: 3 PID: 455 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   33.806544][  T455] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   33.808357][  T455] Tainted: [W]=WARN
[   33.808624][  T455] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.809301][ T455] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 33.809855][ T455] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   33.811349][  T455] RSP: 0018:ffffc90000d86ef0 EFLAGS: 00010246
[   33.811930][  T455] RAX: 0000000000000000 RBX: ffff8880051e2000 RCX: 0000000000000001
[   33.812457][  T455] RDX: 0000000000000000 RSI: ffffffff9ec9b941 RDI: ffffffff9e4555e0
[   33.812990][  T455] RBP: ffffc90000d86fe0 R08: 0000000000000000 R09: 0000000000000000
[   33.813541][  T455] R10: ffffc90000d87010 R11: ffffffff9f179160 R12: 1ffff920001b0de2
[   33.814103][  T455] R13: 00000000000005dc R14: ffffc90000d87010 R15: ffff8880051e2f08
[   33.814641][  T455] FS:  00007f242a008800(0000) GS:ffff888095637000(0000) knlGS:0000000000000000
[   33.815263][  T455] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.815713][  T455] CR2: 00000000004e68a0 CR3: 0000000004f6c002 CR4: 0000000000772ef0
[   33.816236][  T455] PKRU: 55555554
[   33.816497][  T455] Call Trace:
[   33.816805][  T455]  <TASK>
[ 33.816993][ T455] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 33.817346][ T455] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.817736][ T455] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.818095][ T455] netif_set_mtu (net/core/dev.c:9652) 
[ 33.818447][ T455] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 33.818821][ T455] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 33.819094][ T455] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 33.819580][ T455] br_add_if (net/bridge/br_if.c:697) bridge 
[ 33.819989][ T455] do_set_master (net/core/rtnetlink.c:2948) 
[ 33.820352][ T455] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 33.820724][ T455] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 33.821176][ T455] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.821526][ T455] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.821898][ T455] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.822264][ T455] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.822619][ T455] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 33.823038][ T455] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 33.823489][ T455] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.823851][ T455] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.824197][ T455] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 33.824544][ T455] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 33.824918][ T455] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.825272][ T455] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 33.825620][ T455] ? __create_object (mm/kmemleak.c:771) 
[ 33.825993][ T455] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 33.826351][ T455] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 33.826711][ T455] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 33.827149][ T455] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 33.827513][ T455] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 33.827878][ T455] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.828225][ T455] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.828588][ T455] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.828951][ T455] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 33.829300][ T455] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.829651][ T455] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.830019][ T455] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 33.830378][ T455] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.830741][ T455] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.831101][ T455] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 33.831448][ T455] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.831805][ T455] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 33.832162][ T455] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 33.832505][ T455] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 33.832876][ T455] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 33.833337][ T455] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 33.833648][ T455] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.833990][ T455] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 33.834303][ T455] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 33.834608][ T455] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 33.834932][ T455] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 33.835251][ T455] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 33.835567][ T455] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 33.836030][ T455] ___sys_sendmsg (net/socket.c:2670) 
[ 33.836381][ T455] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 33.836737][ T455] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 33.837175][ T455] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 33.837527][ T455] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.837907][ T455] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.838272][ T455] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.838619][ T455] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 33.838982][ T455] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.839339][ T455] __sys_sendmsg (net/socket.c:2700) 
[ 33.839700][ T455] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 33.840133][ T455] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 33.840493][ T455] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.840872][ T455] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 33.841225][ T455] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.841654][  T455] RIP: 0033:0x7f242a1d51e7
[ 33.842047][ T455] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   33.843316][  T455] RSP: 002b:00007ffe6089bef8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.843850][  T455] RAX: ffffffffffffffda RBX: 00007ffe6089c620 RCX: 00007f242a1d51e7
[   33.844370][  T455] RDX: 0000000000000000 RSI: 00007ffe6089bf60 RDI: 0000000000000005
[   33.844896][  T455] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   33.845424][  T455] R10: 0000000025057910 R11: 0000000000000246 R12: 0000000000000004
[   33.845965][  T455] R13: 00000000686e4a07 R14: 0000000000499600 R15: 0000000000000000
| [   34.538785][  T461] ------------[ cut here ]------------
| [ 34.539095][ T461] WARNING: CPU: 0 PID: 461 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   34.539892][  T461] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   34.541351][  T461] Tainted: [W]=WARN
[   34.541588][  T461] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.542196][ T461] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 34.542517][ T461] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   34.543787][  T461] RSP: 0018:ffffc90000dd6ef0 EFLAGS: 00010246
[   34.544182][  T461] RAX: 0000000000000000 RBX: ffff8880051e2000 RCX: 0000000000000001
[   34.544640][  T461] RDX: 0000000000000000 RSI: ffffffff9ec9b941 RDI: ffffffff9e4555e0
[   34.545186][  T461] RBP: ffffc90000dd6fe0 R08: 0000000000000000 R09: 0000000000000000
[   34.545645][  T461] R10: ffffc90000dd7010 R11: ffffffff9f179160 R12: 1ffff920001bade2
[   34.546121][  T461] R13: 00000000000005dc R14: ffffc90000dd7010 R15: ffff8880051e2f08
[   34.546582][  T461] FS:  00007f96cb23c800(0000) GS:ffff8880954b7000(0000) knlGS:0000000000000000
[   34.547127][  T461] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.547511][  T461] CR2: 00000000004e5468 CR3: 000000000ccdd001 CR4: 0000000000772ef0
[   34.548002][  T461] PKRU: 55555554
[   34.548251][  T461] Call Trace:
[   34.548479][  T461]  <TASK>
[ 34.548639][ T461] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 34.548962][ T461] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.549283][ T461] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.549592][ T461] netif_set_mtu (net/core/dev.c:9652) 
[ 34.549906][ T461] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 34.550229][ T461] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 34.550463][ T461] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 34.550908][ T461] br_add_if (net/bridge/br_if.c:697) bridge 
[ 34.551263][ T461] do_set_master (net/core/rtnetlink.c:2948) 
[ 34.551578][ T461] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 34.552014][ T461] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 34.552412][ T461] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 34.552732][ T461] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 34.553049][ T461] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.553393][ T461] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.553732][ T461] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 34.554039][ T461] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 34.554416][ T461] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.554733][ T461] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.555035][ T461] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 34.555345][ T461] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 34.555654][ T461] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.555990][ T461] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 34.556293][ T461] ? __create_object (mm/kmemleak.c:771) 
[ 34.556599][ T461] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 34.556917][ T461] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 34.557224][ T461] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 34.557602][ T461] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 34.557928][ T461] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 34.558248][ T461] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.558554][ T461] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.558881][ T461] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.559193][ T461] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 34.559498][ T461] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.559834][ T461] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.560143][ T461] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 34.560462][ T461] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.560782][ T461] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.561094][ T461] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 34.561421][ T461] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.561733][ T461] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 34.562052][ T461] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 34.562355][ T461] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 34.562679][ T461] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 34.562994][ T461] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 34.563306][ T461] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.563619][ T461] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 34.563950][ T461] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 34.564258][ T461] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 34.564573][ T461] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 34.564906][ T461] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 34.565211][ T461] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 34.565606][ T461] ___sys_sendmsg (net/socket.c:2670) 
[ 34.565917][ T461] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 34.566223][ T461] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 34.566605][ T461] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 34.566921][ T461] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.567240][ T461] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.567550][ T461] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.567872][ T461] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 34.568184][ T461] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.568497][ T461] __sys_sendmsg (net/socket.c:2700) 
[ 34.568808][ T461] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 34.569189][ T461] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 34.569514][ T461] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.569830][ T461] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 34.570137][ T461] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.570516][  T461] RIP: 0033:0x7f96cb4091e7
[ 34.570848][ T461] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   34.571958][  T461] RSP: 002b:00007ffcc77b8d38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.572430][  T461] RAX: ffffffffffffffda RBX: 00007ffcc77b9460 RCX: 00007f96cb4091e7
[   34.572921][  T461] RDX: 0000000000000000 RSI: 00007ffcc77b8da0 RDI: 0000000000000005
[   34.573394][  T461] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   34.573868][  T461] R10: 00000000013ab910 R11: 0000000000000246 R12: 0000000000000004
[   34.574324][  T461] R13: 00000000686e4a08 R14: 0000000000499600 R15: 0000000000000000
| [   37.798880][  T500] ------------[ cut here ]------------
| [ 37.799247][ T500] WARNING: CPU: 2 PID: 500 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) 
| [   37.799923][  T500] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   37.801342][  T500] Tainted: [W]=WARN
[   37.801608][  T500] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.802051][ T500] 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) 
[ 37.802414][ T500] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.803631][  T500] RSP: 0018:ffffc90000f66ef0 EFLAGS: 00010246
[   37.804071][  T500] RAX: 0000000000000000 RBX: ffff8880051e2000 RCX: 0000000000000001
[   37.804569][  T500] RDX: 0000000000000000 RSI: ffffffff9ec9b941 RDI: ffffffff9e4555e0
[   37.805118][  T500] RBP: ffffc90000f66fe0 R08: 0000000000000000 R09: 0000000000000000
[   37.805626][  T500] R10: ffffc90000f67010 R11: ffffffff9faa8918 R12: 1ffff920001ecde2
[   37.806150][  T500] R13: 00000000000005dc R14: ffffc90000f67010 R15: ffff8880051e2f08
[   37.806671][  T500] FS:  00007f0a6f18b800(0000) GS:ffff8880955b7000(0000) knlGS:0000000000000000
[   37.807248][  T500] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.807674][  T500] CR2: 00000000004e5b28 CR3: 000000000c0f3006 CR4: 0000000000772ef0
[   37.808175][  T500] PKRU: 55555554
[   37.808435][  T500] Call Trace:
[   37.808706][  T500]  <TASK>
[ 37.808888][ T500] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.809270][ T500] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.809617][ T500] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 37.809987][ T500] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 37.810407][ T500] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 37.810759][ T500] netif_set_mtu (net/core/dev.c:9652) 
[ 37.811099][ T500] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 37.811455][ T500] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 37.811929][ T500] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 37.812192][ T500] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 37.812648][ T500] br_add_if (net/bridge/br_if.c:697) bridge 
[ 37.813140][ T500] do_set_master (net/core/rtnetlink.c:2948) 
[ 37.813734][ T500] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 37.814269][ T500] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.814973][ T500] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.815548][ T500] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.816103][ T500] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.816702][ T500] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.817293][ T500] ? __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) 
[ 37.817883][ T500] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.818609][ T500] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.819224][ T500] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.819834][ T500] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.820419][ T500] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.821026][ T500] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.821617][ T500] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.822241][ T500] ? __create_object (mm/kmemleak.c:771) 
[ 37.822878][ T500] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.823444][ T500] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.823903][ T500] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.824349][ T500] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.824712][ T500] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.825071][ T500] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.825411][ T500] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.825789][ T500] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.826161][ T500] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.826494][ T500] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.826849][ T500] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.827197][ T500] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.827534][ T500] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.827886][ T500] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.828358][ T500] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.828711][ T500] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.829075][ T500] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.829422][ T500] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.829849][ T500] ? 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) 
[ 37.830278][ T500] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.830749][ T500] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.831094][ T500] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.831435][ T500] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.831804][ T500] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.832141][ T500] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.832494][ T500] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.832849][ T500] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.833202][ T500] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.833626][ T500] ___sys_sendmsg (net/socket.c:2670) 
[ 37.833987][ T500] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.834332][ T500] ? __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) 
[ 37.834759][ T500] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.835096][ T500] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.835436][ T500] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.835789][ T500] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.836124][ T500] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.836454][ T500] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.836821][ T500] __sys_sendmsg (net/socket.c:2700) 
[ 37.837156][ T500] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.837569][ T500] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.837941][ T500] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.838289][ T500] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.838627][ T500] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.839055][  T500] RIP: 0033:0x7f0a6f3581e7
[ 37.839409][ T500] 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)
[   37.840588][  T500] RSP: 002b:00007ffeb4c20e48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.841102][  T500] RAX: ffffffffffffffda RBX: 00007ffeb4c21570 RCX: 00007f0a6f3581e7
[   37.841608][  T500] RDX: 0000000000000000 RSI: 00007ffeb4c20eb0 RDI: 0000000000000005
[   37.842129][  T500] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   37.842625][  T500] R10: 000000000d50e910 R11: 0000000000000246 R12: 0000000000000004
[   37.843148][  T500] R13: 00000000686e4a0b R14: 0000000000499600 R15: 0000000000000000
| [   53.136021][  T611] ------------[ cut here ]------------
| [ 53.136374][ T611] WARNING: CPU: 2 PID: 611 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   53.137042][  T611] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   53.138349][  T611] Tainted: [W]=WARN
[   53.138596][  T611] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 53.139018][ T611] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 53.139369][ T611] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   53.140498][  T611] RSP: 0018:ffffc90001346f70 EFLAGS: 00010246
[   53.140910][  T611] RAX: 0000000000000000 RBX: ffff888004ea2000 RCX: 0000000000000001
[   53.141396][  T611] RDX: 0000000000000000 RSI: ffffffff9ec9b941 RDI: ffffffff9e4555e0
[   53.141897][  T611] RBP: ffffc90001347058 R08: 0000000000000000 R09: 0000000000000000
[   53.142390][  T611] R10: ffffc90001347088 R11: ffffffff9b000130 R12: 1ffff92000268df2
[   53.142879][  T611] R13: 00000000000005dc R14: ffffc90001347088 R15: ffff888004ea2f08
[   53.143376][  T611] FS:  00007f967c852800(0000) GS:ffff8880955b7000(0000) knlGS:0000000000000000
[   53.143947][  T611] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.144344][  T611] CR2: 00000000004e5468 CR3: 0000000008ce1006 CR4: 0000000000772ef0
[   53.144831][  T611] PKRU: 55555554
[   53.145073][  T611] Call Trace:
[   53.145323][  T611]  <TASK>
[ 53.145492][ T611] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 53.145910][ T611] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 53.146307][ T611] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 53.146629][ T611] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.146966][ T611] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 53.147290][ T611] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 53.147626][ T611] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.147966][ T611] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.148293][ T611] ? ___sys_sendmsg (net/socket.c:2670) 
[ 53.148614][ T611] ? __sys_sendmsg (net/socket.c:2700) 
[ 53.148942][ T611] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.149269][ T611] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 53.149672][ T611] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.150015][ T611] netif_set_mtu (net/core/dev.c:9652) 
[ 53.150349][ T611] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 53.150733][ T611] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 53.150990][ T611] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 53.151460][ T611] br_del_if (net/bridge/br_if.c:743) bridge 
[ 53.151834][ T611] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 53.152158][ T611] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 53.152488][ T611] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.152826][ T611] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 53.153244][ T611] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 53.153564][ T611] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 53.153911][ T611] ? __kernel_text_address (kernel/extable.c:79) 
[ 53.154246][ T611] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.154575][ T611] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 53.154919][ T611] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 53.155335][ T611] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.155691][ T611] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.156012][ T611] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 53.156331][ T611] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 53.156649][ T611] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.156977][ T611] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 53.157293][ T611] ? __create_object (mm/kmemleak.c:771) 
[ 53.157615][ T611] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 53.157955][ T611] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 53.158286][ T611] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 53.158700][ T611] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 53.159026][ T611] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 53.159352][ T611] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.159697][ T611] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.160035][ T611] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.160361][ T611] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 53.160696][ T611] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.161015][ T611] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.161339][ T611] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 53.161677][ T611] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.162008][ T611] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.162332][ T611] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 53.162651][ T611] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.163000][ T611] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 53.163349][ T611] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 53.163689][ T611] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 53.164020][ T611] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 53.164347][ T611] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 53.164686][ T611] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.165010][ T611] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.165347][ T611] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 53.165692][ T611] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 53.166023][ T611] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.166346][ T611] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 53.166688][ T611] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 53.167100][ T611] ___sys_sendmsg (net/socket.c:2670) 
[ 53.167428][ T611] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 53.167766][ T611] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 53.168168][ T611] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 53.168489][ T611] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.168844][ T611] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.169182][ T611] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.169505][ T611] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 53.169843][ T611] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.170170][ T611] __sys_sendmsg (net/socket.c:2700) 
[ 53.170506][ T611] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 53.170907][ T611] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 53.171235][ T611] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.171560][ T611] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.171907][ T611] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   53.172305][  T611] RIP: 0033:0x7f967ca1f1e7
[ 53.172655][ T611] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   53.173809][  T611] RSP: 002b:00007ffe0e183ad8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   53.174290][  T611] RAX: ffffffffffffffda RBX: 00007ffe0e184200 RCX: 00007f967ca1f1e7
[   53.174776][  T611] RDX: 0000000000000000 RSI: 00007ffe0e183b40 RDI: 0000000000000005
[   53.175267][  T611] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   53.175748][  T611] R10: 00007f967c91cee8 R11: 0000000000000246 R12: 0000000000000003
[   53.176224][  T611] R13: 00000000686e4a1a R14: 0000000000499600 R15: 0000000000000000
| [   53.630809][  T614] ------------[ cut here ]------------
| [ 53.631209][ T614] WARNING: CPU: 2 PID: 614 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   53.631896][  T614] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   53.633518][  T614] Tainted: [W]=WARN
[   53.633832][  T614] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 53.634295][ T614] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 53.634694][ T614] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   53.635982][  T614] RSP: 0018:ffffc90001366e80 EFLAGS: 00010246
[   53.636454][  T614] RAX: 0000000000000000 RBX: ffff888004ea2000 RCX: 0000000000000001
[   53.637031][  T614] RDX: 0000000000000000 RSI: ffffffff9ec9b941 RDI: ffffffff9e4555e0
[   53.637588][  T614] RBP: ffffc90001366f68 R08: 0000000000000000 R09: 0000000000000000
[   53.639080][  T614] R10: ffffc90001366f98 R11: ffffffff9e008d81 R12: 1ffff9200026cdd4
[   53.639655][  T614] R13: 00000000000005dc R14: ffffc90001366f98 R15: ffff888004ea2f08
[   53.640222][  T614] FS:  00007fa0816aa800(0000) GS:ffff8880955b7000(0000) knlGS:0000000000000000
[   53.640887][  T614] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.641366][  T614] CR2: 00000000004e5730 CR3: 0000000005e47005 CR4: 0000000000772ef0
[   53.641937][  T614] PKRU: 55555554
[   53.642223][  T614] Call Trace:
[   53.642506][  T614]  <TASK>
[ 53.642716][ T614] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 53.643194][ T614] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 53.643609][ T614] ? br_device_event (net/bridge/br.c:141) bridge 
[ 53.644043][ T614] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 53.644423][ T614] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 53.644819][ T614] ? netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 53.645202][ T614] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 53.645572][ T614] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.645956][ T614] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.646331][ T614] ? ___sys_sendmsg (net/socket.c:2670) 
[ 53.646711][ T614] ? __sys_sendmsg (net/socket.c:2700) 
[ 53.647092][ T614] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.647463][ T614] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 53.647946][ T614] netif_set_mtu (net/core/dev.c:9652) 
[ 53.648323][ T614] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 53.648738][ T614] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 53.649029][ T614] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 53.649542][ T614] br_del_if (net/bridge/br_if.c:743) bridge 
[ 53.649979][ T614] br_device_event (net/bridge/br.c:141) bridge 
[ 53.650393][ T614] ? __pfx_br_device_event (net/bridge/br.c:29) bridge 
[ 53.650894][ T614] ? netconsole_netdev_event (drivers/net/netconsole.c:1474) 
[ 53.651280][ T614] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 53.651671][ T614] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 53.652141][ T614] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 53.652602][ T614] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 53.653015][ T614] rtnl_dellink (net/core/rtnetlink.c:3515 net/core/rtnetlink.c:3555) 
[ 53.653410][ T614] ? __pfx_rtnl_dellink (net/core/rtnetlink.c:3521) 
[ 53.653842][ T614] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.654225][ T614] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.654606][ T614] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.654990][ T614] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 53.655359][ T614] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.655755][ T614] ? __pfx_rtnl_dellink (net/core/rtnetlink.c:3521) 
[ 53.656128][ T614] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 53.656499][ T614] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.656906][ T614] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.657297][ T614] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 53.657683][ T614] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.658059][ T614] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 53.658440][ T614] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 53.658835][ T614] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 53.659208][ T614] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 53.659583][ T614] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 53.659967][ T614] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.660343][ T614] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.660741][ T614] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 53.661116][ T614] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 53.661505][ T614] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.661892][ T614] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 53.662264][ T614] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 53.662764][ T614] ___sys_sendmsg (net/socket.c:2670) 
[ 53.663152][ T614] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 53.663528][ T614] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 53.664010][ T614] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 53.664398][ T614] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.664799][ T614] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.665194][ T614] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.665562][ T614] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 53.665948][ T614] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.666327][ T614] __sys_sendmsg (net/socket.c:2700) 
[ 53.666705][ T614] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 53.667177][ T614] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 53.667559][ T614] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.667947][ T614] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.668326][ T614] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   53.668803][  T614] RIP: 0033:0x7fa0818771e7
[ 53.669212][ T614] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   53.670492][  T614] RSP: 002b:00007ffd3b8082b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   53.671051][  T614] RAX: ffffffffffffffda RBX: 00007ffd3b8089e0 RCX: 00007fa0818771e7
[   53.671595][  T614] RDX: 0000000000000000 RSI: 00007ffd3b808320 RDI: 0000000000000005
[   53.672163][  T614] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[   53.672730][  T614] R10: 00007fa081774ee8 R11: 0000000000000246 R12: 0000000000000002
[   53.673285][  T614] R13: 00000000686e4a1b R14: 0000000000499600 R15: 0000000000000000
| [   54.290559][  T619] ------------[ cut here ]------------
| [ 54.290898][ T619] WARNING: CPU: 0 PID: 619 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   54.291544][  T619] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   54.294156][  T619] Tainted: [W]=WARN
[   54.294400][  T619] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 54.294817][ T619] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 54.295155][ T619] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   54.296309][  T619] RSP: 0018:ffffc90001396f70 EFLAGS: 00010246
[   54.296730][  T619] RAX: 0000000000000000 RBX: ffff88800eb2a000 RCX: 0000000000000001
[   54.297216][  T619] RDX: 0000000000000000 RSI: ffffffff9ec9b941 RDI: ffffffff9e4555e0
[   54.297703][  T619] RBP: ffffc90001397058 R08: 0000000000000000 R09: 0000000000000000
[   54.298188][  T619] R10: ffffc90001397088 R11: ffffffff9f179160 R12: 1ffff92000272df2
[   54.298683][  T619] R13: 00000000000005dc R14: ffffc90001397088 R15: ffff88800eb2af08
[   54.299169][  T619] FS:  00007fa87369d800(0000) GS:ffff8880954b7000(0000) knlGS:0000000000000000
[   54.299742][  T619] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.300153][  T619] CR2: 00000000004e5aa8 CR3: 0000000016a5f005 CR4: 0000000000772ef0
[   54.300675][  T619] PKRU: 55555554
[   54.300921][  T619] Call Trace:
[   54.301175][  T619]  <TASK>
[ 54.301337][ T619] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 54.301754][ T619] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 54.302117][ T619] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 54.302438][ T619] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 54.302767][ T619] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 54.303088][ T619] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 54.303429][ T619] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.303759][ T619] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.304082][ T619] ? ___sys_sendmsg (net/socket.c:2670) 
[ 54.304404][ T619] ? __sys_sendmsg (net/socket.c:2700) 
[ 54.304729][ T619] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.305081][ T619] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 54.305480][ T619] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.305825][ T619] netif_set_mtu (net/core/dev.c:9652) 
[ 54.306157][ T619] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 54.306496][ T619] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 54.306753][ T619] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 54.307194][ T619] br_del_if (net/bridge/br_if.c:743) bridge 
[ 54.307552][ T619] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 54.307884][ T619] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 54.308209][ T619] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 54.308537][ T619] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 54.308956][ T619] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 54.309281][ T619] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 54.309602][ T619] ? __kernel_text_address (kernel/extable.c:79) 
[ 54.309935][ T619] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.310261][ T619] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 54.310583][ T619] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 54.310997][ T619] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.311325][ T619] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.311645][ T619] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 54.311975][ T619] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 54.312299][ T619] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.312623][ T619] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 54.312954][ T619] ? __create_object (mm/kmemleak.c:771) 
[ 54.313291][ T619] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 54.313619][ T619] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 54.313952][ T619] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 54.314358][ T619] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 54.314713][ T619] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 54.315042][ T619] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.315364][ T619] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.315698][ T619] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.316019][ T619] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 54.316345][ T619] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.316692][ T619] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.317019][ T619] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 54.317353][ T619] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.317688][ T619] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.318014][ T619] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 54.318335][ T619] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.318682][ T619] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 54.319018][ T619] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 54.319339][ T619] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 54.319673][ T619] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 54.319998][ T619] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 54.320319][ T619] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.320647][ T619] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.320993][ T619] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 54.321315][ T619] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 54.321651][ T619] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.321989][ T619] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 54.322314][ T619] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 54.322738][ T619] ___sys_sendmsg (net/socket.c:2670) 
[ 54.323060][ T619] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 54.323409][ T619] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 54.323819][ T619] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 54.324146][ T619] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.324470][ T619] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.324807][ T619] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.325130][ T619] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 54.325453][ T619] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.325789][ T619] __sys_sendmsg (net/socket.c:2700) 
[ 54.326116][ T619] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 54.326516][ T619] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 54.326860][ T619] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.327182][ T619] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.327505][ T619] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   54.327944][  T619] RIP: 0033:0x7fa87386a1e7
[ 54.328279][ T619] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   54.329443][  T619] RSP: 002b:00007ffdcca452f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   54.329939][  T619] RAX: ffffffffffffffda RBX: 00007ffdcca45a20 RCX: 00007fa87386a1e7
[   54.330418][  T619] RDX: 0000000000000000 RSI: 00007ffdcca45360 RDI: 0000000000000005
[   54.330914][  T619] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   54.331393][  T619] R10: 00007fa873767ee8 R11: 0000000000000246 R12: 0000000000000003
[   54.331881][  T619] R13: 00000000686e4a1c R14: 0000000000499600 R15: 0000000000000000
| [   54.442069][  T620] ------------[ cut here ]------------
| [ 54.442419][ T620] WARNING: CPU: 0 PID: 620 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   54.443064][  T620] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   54.444408][  T620] Tainted: [W]=WARN
[   54.444655][  T620] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 54.445067][ T620] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 54.445397][ T620] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   54.446557][  T620] RSP: 0018:ffffc900013a6f70 EFLAGS: 00010246
[   54.446971][  T620] RAX: 0000000000000000 RBX: ffff88800eb2a000 RCX: 0000000000000001
[   54.447454][  T620] RDX: 0000000000000000 RSI: ffffffff9ec9b941 RDI: ffffffff9e4555e0
[   54.447946][  T620] RBP: ffffc900013a7058 R08: 0000000000000000 R09: 0000000000000000
[   54.448433][  T620] R10: ffffc900013a7088 R11: ffffffff9f179160 R12: 1ffff92000274df2
[   54.448925][  T620] R13: 00000000000005dc R14: ffffc900013a7088 R15: ffff88800eb2af08
[   54.449409][  T620] FS:  00007f4180d7c800(0000) GS:ffff8880954b7000(0000) knlGS:0000000000000000
[   54.449981][  T620] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.450391][  T620] CR2: 00000000004e73b8 CR3: 000000000a0a6001 CR4: 0000000000772ef0
[   54.450891][  T620] PKRU: 55555554
[   54.451134][  T620] Call Trace:
[   54.451379][  T620]  <TASK>
[ 54.451544][ T620] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 54.451960][ T620] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 54.452325][ T620] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 54.452667][ T620] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 54.452997][ T620] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 54.453326][ T620] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 54.453650][ T620] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.453980][ T620] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.454304][ T620] ? ___sys_sendmsg (net/socket.c:2670) 
[ 54.454624][ T620] ? __sys_sendmsg (net/socket.c:2700) 
[ 54.454952][ T620] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.455274][ T620] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 54.455686][ T620] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.456028][ T620] netif_set_mtu (net/core/dev.c:9652) 
[ 54.456352][ T620] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 54.456702][ T620] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 54.456949][ T620] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 54.457394][ T620] br_del_if (net/bridge/br_if.c:743) bridge 
[ 54.457760][ T620] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 54.458083][ T620] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 54.458415][ T620] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 54.458748][ T620] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 54.459158][ T620] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 54.459481][ T620] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 54.459813][ T620] ? __kernel_text_address (kernel/extable.c:79) 
[ 54.460142][ T620] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.460470][ T620] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 54.460806][ T620] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 54.461209][ T620] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.461536][ T620] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.461868][ T620] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 54.462188][ T620] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 54.462518][ T620] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.462847][ T620] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 54.463196][ T620] ? __create_object (mm/kmemleak.c:771) 
[ 54.463525][ T620] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 54.463856][ T620] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 54.464179][ T620] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 54.464580][ T620] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 54.464920][ T620] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 54.465280][ T620] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.465603][ T620] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.465950][ T620] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.466274][ T620] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 54.466592][ T620] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.466927][ T620] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.467248][ T620] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 54.467570][ T620] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.467924][ T620] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.468258][ T620] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 54.468581][ T620] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.468914][ T620] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 54.469250][ T620] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 54.469585][ T620] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 54.469928][ T620] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 54.470256][ T620] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 54.470583][ T620] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.470917][ T620] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.471246][ T620] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 54.471569][ T620] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 54.471912][ T620] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.472247][ T620] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 54.472569][ T620] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 54.472994][ T620] ___sys_sendmsg (net/socket.c:2670) 
[ 54.473323][ T620] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 54.473645][ T620] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 54.474058][ T620] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 54.474383][ T620] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.474718][ T620] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.475046][ T620] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.475371][ T620] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 54.475708][ T620] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.476039][ T620] __sys_sendmsg (net/socket.c:2700) 
[ 54.476357][ T620] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 54.476769][ T620] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 54.477105][ T620] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.477428][ T620] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.477764][ T620] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   54.478174][  T620] RIP: 0033:0x7f4180f491e7
[ 54.478507][ T620] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   54.479667][  T620] RSP: 002b:00007ffe9dccd448 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   54.480160][  T620] RAX: ffffffffffffffda RBX: 00007ffe9dccdb70 RCX: 00007f4180f491e7
[   54.480643][  T620] RDX: 0000000000000000 RSI: 00007ffe9dccd4b0 RDI: 0000000000000005
[   54.481134][  T620] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   54.481615][  T620] R10: 00007f4180e46ee8 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