======================================
| [   62.173308][  T804] br1: port 1(vx1) entered forwarding state
| [   62.174490][  T804] ------------[ cut here ]------------
| [ 62.174877][ T804] WARNING: CPU: 1 PID: 804 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) 
| [   62.175522][  T804] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc act_gact cls_flower sch_ingress vrf veth
[   62.177141][  T804] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 62.177533][ T804] 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) 
[ 62.178027][ T804] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   62.179371][  T804] RSP: 0018:ffffc900006d6ef0 EFLAGS: 00010246
[   62.179909][  T804] RAX: 0000000000000000 RBX: ffff88800bb2a000 RCX: 0000000000000001
[   62.180375][  T804] RDX: 0000000000000000 RSI: ffffffff8cc9b939 RDI: ffffffff8c4555e0
[   62.180979][  T804] RBP: ffffc900006d6fe0 R08: 0000000000000000 R09: 0000000000000000
[   62.181469][  T804] R10: ffffc900006d7010 R11: ffffffff8daa8918 R12: 1ffff920000dade2
[   62.182087][  T804] R13: 00000000000005dc R14: ffffc900006d7010 R15: ffff88800bb2af08
[   62.182725][  T804] FS:  00007fe4f273d800(0000) GS:ffff8880a7537000(0000) knlGS:0000000000000000
[   62.183294][  T804] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.183706][  T804] CR2: 00000000004e5760 CR3: 000000000c7cc004 CR4: 0000000000772ef0
[   62.184167][  T804] PKRU: 55555554
[   62.184396][  T804] Call Trace:
[   62.184639][  T804]  <TASK>
[ 62.184807][ T804] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 62.185120][ T804] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.185448][ T804] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 62.185774][ T804] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 62.186167][ T804] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 62.186493][ T804] netif_set_mtu (net/core/dev.c:9652) 
[ 62.186823][ T804] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 62.187155][ T804] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 62.187594][ T804] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 62.187828][ T804] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 62.188246][ T804] br_add_if (net/bridge/br_if.c:697) bridge 
[ 62.188602][ T804] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 62.188929][ T804] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 62.189245][ T804] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 62.189658][ T804] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 62.189971][ T804] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 62.190283][ T804] ? __kernel_text_address (kernel/extable.c:79) 
[ 62.190620][ T804] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.190931][ T804] ? __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) 
[ 62.191235][ T804] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 62.191626][ T804] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.191940][ T804] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.192248][ T804] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 62.192572][ T804] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 62.192884][ T804] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.193190][ T804] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 62.193492][ T804] ? __create_object (mm/kmemleak.c:771) 
[ 62.193815][ T804] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 62.194215][ T804] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 62.194566][ T804] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 62.194961][ T804] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 62.195358][ T804] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 62.195684][ T804] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 62.195987][ T804] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.196296][ T804] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.196655][ T804] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 62.196972][ T804] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.197276][ T804] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 62.197586][ T804] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 62.197899][ T804] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 62.198205][ T804] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.198515][ T804] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 62.198849][ T804] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 62.199164][ T804] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 62.199492][ T804] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 62.199812][ T804] ? 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) 
[ 62.200126][ T804] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 62.200432][ T804] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 62.200745][ T804] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.201054][ T804] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 62.201381][ T804] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 62.201712][ T804] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 62.202035][ T804] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 62.202352][ T804] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 62.202665][ T804] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 62.203055][ T804] ___sys_sendmsg (net/socket.c:2670) 
[ 62.203358][ T804] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 62.203682][ T804] ? __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) 
[ 62.204076][ T804] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 62.204405][ T804] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.204758][ T804] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.205070][ T804] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.205373][ T804] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 62.205686][ T804] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.205996][ T804] __sys_sendmsg (net/socket.c:2700) 
[ 62.206319][ T804] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 62.206716][ T804] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 62.207031][ T804] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.207367][ T804] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 62.207723][ T804] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   62.208102][  T804] RIP: 0033:0x7fe4f290a1e7
[ 62.208430][ T804] 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)
[   62.209555][  T804] RSP: 002b:00007ffd4ee74768 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   62.210041][  T804] RAX: ffffffffffffffda RBX: 00007ffd4ee74e90 RCX: 00007fe4f290a1e7
[   62.210506][  T804] RDX: 0000000000000000 RSI: 00007ffd4ee747d0 RDI: 0000000000000005
[   62.210990][  T804] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   62.211446][  T804] R10: 0000000031451910 R11: 0000000000000246 R12: 0000000000000004
[   62.211915][  T804] R13: 00000000686e692d R14: 0000000000499600 R15: 0000000000000000
| [   62.369390][  T805] ------------[ cut here ]------------
| [ 62.369814][ T805] WARNING: CPU: 0 PID: 805 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) 
| [   62.370849][  T805] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc act_gact cls_flower sch_ingress vrf veth
| [   62.374178][  T805] Tainted: [W]=WARN
[   62.374484][  T805] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 62.375088][ T805] 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) 
[ 62.375512][ T805] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   62.377500][  T805] RSP: 0018:ffffc900015c6ef0 EFLAGS: 00010246
[   62.378058][  T805] RAX: 0000000000000000 RBX: ffff88800bb2a000 RCX: 0000000000000001
[   62.378857][  T805] RDX: 0000000000000000 RSI: ffffffff8cc9b939 RDI: ffffffff8c4555e0
[   62.379675][  T805] RBP: ffffc900015c6fe0 R08: 0000000000000000 R09: 0000000000000000
[   62.380361][  T805] R10: ffffc900015c7010 R11: ffffffff8daa8918 R12: 1ffff920002b8de2
[   62.381142][  T805] R13: 00000000000005dc R14: ffffc900015c7010 R15: ffff88800bb2af08
[   62.381879][  T805] FS:  00007f74c6dad800(0000) GS:ffff8880a74b7000(0000) knlGS:0000000000000000
[   62.382769][  T805] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.383444][  T805] CR2: 00000000004e5aa8 CR3: 0000000008b0c002 CR4: 0000000000772ef0
[   62.384278][  T805] PKRU: 55555554
[   62.384693][  T805] Call Trace:
[   62.385096][  T805]  <TASK>
[ 62.385374][ T805] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 62.385944][ T805] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.386504][ T805] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 62.387056][ T805] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 62.387743][ T805] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 62.388291][ T805] netif_set_mtu (net/core/dev.c:9652) 
[ 62.388843][ T805] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 62.389404][ T805] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 62.390043][ T805] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 62.390424][ T805] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 62.391010][ T805] br_add_if (net/bridge/br_if.c:697) bridge 
[ 62.391561][ T805] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 62.392111][ T805] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 62.392671][ T805] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 62.393356][ T805] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 62.393922][ T805] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 62.394457][ T805] ? __kernel_text_address (kernel/extable.c:79) 
[ 62.395013][ T805] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.395529][ T805] ? __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) 
[ 62.395985][ T805] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 62.396674][ T805] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.397099][ T805] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.397602][ T805] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 62.398142][ T805] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 62.398694][ T805] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.399243][ T805] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 62.399791][ T805] ? __create_object (mm/kmemleak.c:771) 
[ 62.400214][ T805] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 62.400706][ T805] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 62.401244][ T805] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 62.401939][ T805] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 62.402383][ T805] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 62.402881][ T805] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 62.403400][ T805] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.403816][ T805] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.404333][ T805] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 62.404751][ T805] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.405218][ T805] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 62.405793][ T805] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 62.406207][ T805] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 62.406775][ T805] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.407339][ T805] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 62.407865][ T805] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 62.408262][ T805] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 62.408822][ T805] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 62.409370][ T805] ? 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) 
[ 62.409854][ T805] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 62.410353][ T805] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 62.410834][ T805] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.411290][ T805] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 62.411852][ T805] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 62.412392][ T805] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 62.412960][ T805] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 62.413504][ T805] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 62.414072][ T805] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 62.414801][ T805] ___sys_sendmsg (net/socket.c:2670) 
[ 62.415349][ T805] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 62.415912][ T805] ? __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) 
[ 62.416628][ T805] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 62.417190][ T805] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.417747][ T805] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.418191][ T805] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.418748][ T805] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 62.419299][ T805] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.419762][ T805] __sys_sendmsg (net/socket.c:2700) 
[ 62.420254][ T805] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 62.420955][ T805] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 62.421539][ T805] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.422125][ T805] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 62.422703][ T805] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   62.423387][  T805] RIP: 0033:0x7f74c6f7a1e7
[ 62.423970][ T805] 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)
[   62.425968][  T805] RSP: 002b:00007fff35e71a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   62.426842][  T805] RAX: ffffffffffffffda RBX: 00007fff35e721a0 RCX: 00007f74c6f7a1e7
[   62.427687][  T805] RDX: 0000000000000000 RSI: 00007fff35e71ae0 RDI: 0000000000000005
[   62.428521][  T805] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   62.429366][  T805] R10: 000000003997f910 R11: 0000000000000246 R12: 0000000000000004
[   62.430230][  T805] R13: 00000000686e692e R14: 0000000000499600 R15: 0000000000000000
| [   62.668195][  T807] ------------[ cut here ]------------
| [ 62.668619][ T807] WARNING: CPU: 0 PID: 807 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) 
| [   62.669217][  T807] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc act_gact cls_flower sch_ingress vrf veth
| [   62.670616][  T807] Tainted: [W]=WARN
[   62.670849][  T807] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 62.671234][ T807] 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) 
[ 62.671565][ T807] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   62.672660][  T807] RSP: 0018:ffffc900006b6ef0 EFLAGS: 00010246
[   62.673044][  T807] RAX: 0000000000000000 RBX: ffff88800bb2a000 RCX: 0000000000000001
[   62.673510][  T807] RDX: 0000000000000000 RSI: ffffffff8cc9b939 RDI: ffffffff8c4555e0
[   62.674237][  T807] RBP: ffffc900006b6fe0 R08: 0000000000000000 R09: 0000000000000000
[   62.674868][  T807] R10: ffffc900006b7010 R11: ffffffff8daa8918 R12: 1ffff920000d6de2
[   62.675348][  T807] R13: 00000000000005dc R14: ffffc900006b7010 R15: ffff88800bb2af08
[   62.676018][  T807] FS:  00007f47ca611800(0000) GS:ffff8880a74b7000(0000) knlGS:0000000000000000
[   62.676757][  T807] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.677144][  T807] CR2: 00000000004e5ab0 CR3: 000000000c7cd006 CR4: 0000000000772ef0
[   62.677753][  T807] PKRU: 55555554
[   62.677984][  T807] Call Trace:
[   62.678211][  T807]  <TASK>
[ 62.678371][ T807] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 62.678744][ T807] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.679070][ T807] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 62.679376][ T807] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 62.679783][ T807] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 62.680092][ T807] netif_set_mtu (net/core/dev.c:9652) 
[ 62.680399][ T807] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 62.680729][ T807] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 62.681163][ T807] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 62.681397][ T807] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 62.681819][ T807] br_add_if (net/bridge/br_if.c:697) bridge 
[ 62.682163][ T807] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 62.682477][ T807] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 62.682797][ T807] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 62.683183][ T807] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 62.683495][ T807] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 62.683810][ T807] ? __kernel_text_address (kernel/extable.c:79) 
[ 62.684117][ T807] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.684428][ T807] ? __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) 
[ 62.684747][ T807] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 62.685127][ T807] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.685519][ T807] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.685839][ T807] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 62.686142][ T807] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 62.686446][ T807] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.686772][ T807] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 62.687073][ T807] ? __create_object (mm/kmemleak.c:771) 
[ 62.687379][ T807] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 62.687696][ T807] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 62.688010][ T807] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 62.688387][ T807] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 62.688713][ T807] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 62.689024][ T807] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 62.689326][ T807] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.689647][ T807] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.689952][ T807] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 62.690251][ T807] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.690575][ T807] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 62.690880][ T807] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 62.691186][ T807] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 62.691493][ T807] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.691812][ T807] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 62.692119][ T807] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 62.692425][ T807] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 62.692755][ T807] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 62.693061][ T807] ? 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) 
[ 62.693366][ T807] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 62.693685][ T807] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 62.693992][ T807] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.694301][ T807] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 62.694615][ T807] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 62.694922][ T807] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 62.695237][ T807] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 62.695553][ T807] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 62.695855][ T807] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 62.696244][ T807] ___sys_sendmsg (net/socket.c:2670) 
[ 62.696690][ T807] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 62.697000][ T807] ? __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) 
[ 62.697385][ T807] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 62.697704][ T807] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.698012][ T807] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.698325][ T807] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.698642][ T807] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 62.698949][ T807] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.699261][ T807] __sys_sendmsg (net/socket.c:2700) 
[ 62.699575][ T807] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 62.699963][ T807] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 62.700282][ T807] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.700601][ T807] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 62.700915][ T807] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   62.701297][  T807] RIP: 0033:0x7f47ca7de1e7
[ 62.701630][ T807] 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)
[   62.702735][  T807] RSP: 002b:00007ffd3aa63d98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   62.703198][  T807] RAX: ffffffffffffffda RBX: 00007ffd3aa644c0 RCX: 00007f47ca7de1e7
[   62.703665][  T807] RDX: 0000000000000000 RSI: 00007ffd3aa63e00 RDI: 0000000000000005
[   62.704129][  T807] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   62.704601][  T807] R10: 0000000036ec6910 R11: 0000000000000246 R12: 0000000000000004
[   62.705079][  T807] R13: 00000000686e692e R14: 0000000000499600 R15: 0000000000000000
| [   67.300065][  T860] ------------[ cut here ]------------
| [ 67.300392][ T860] WARNING: CPU: 1 PID: 860 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) 
| [   67.301030][  T860] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc act_gact cls_flower sch_ingress vrf veth
| [   67.304055][  T860] Tainted: [W]=WARN
[   67.304291][  T860] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 67.304703][ T860] 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) 
[ 67.305025][ T860] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   67.306143][  T860] RSP: 0018:ffffc90000a2eef0 EFLAGS: 00010246
[   67.306579][  T860] RAX: 0000000000000000 RBX: ffff88800958a000 RCX: 0000000000000001
[   67.307081][  T860] RDX: 0000000000000000 RSI: ffffffff8cc9b939 RDI: ffffffff8c4555e0
[   67.307562][  T860] RBP: ffffc90000a2efe0 R08: 0000000000000000 R09: 0000000000000000
[   67.308027][  T860] R10: ffffc90000a2f010 R11: ffffffff8d179160 R12: 1ffff92000145de2
[   67.308490][  T860] R13: 00000000000005dc R14: ffffc90000a2f010 R15: ffff88800958af08
[   67.309004][  T860] FS:  00007fbc87c2e800(0000) GS:ffff8880a7537000(0000) knlGS:0000000000000000
[   67.309581][  T860] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.309974][  T860] CR2: 00000000004e6898 CR3: 000000000b869003 CR4: 0000000000772ef0
[   67.310437][  T860] PKRU: 55555554
[   67.310678][  T860] Call Trace:
[   67.310937][  T860]  <TASK>
[ 67.311101][ T860] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 67.311415][ T860] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 67.311748][ T860] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 67.312067][ T860] netif_set_mtu (net/core/dev.c:9652) 
[ 67.312406][ T860] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 67.312757][ T860] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 67.312998][ T860] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 67.313435][ T860] br_add_if (net/bridge/br_if.c:697) bridge 
[ 67.313797][ T860] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 67.314116][ T860] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 67.314434][ T860] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 67.314838][ T860] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 67.315150][ T860] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 67.315461][ T860] ? __kernel_text_address (kernel/extable.c:79) 
[ 67.315794][ T860] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 67.316110][ T860] ? __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) 
[ 67.316418][ T860] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 67.316961][ T860] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 67.317278][ T860] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 67.317595][ T860] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 67.317904][ T860] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 67.318221][ T860] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 67.318533][ T860] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 67.318848][ T860] ? __create_object (mm/kmemleak.c:771) 
[ 67.319157][ T860] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 67.319470][ T860] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 67.319792][ T860] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 67.320181][ T860] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 67.320502][ T860] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 67.320839][ T860] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 67.321156][ T860] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 67.321474][ T860] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 67.321794][ T860] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 67.322100][ T860] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 67.322411][ T860] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 67.322730][ T860] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 67.323047][ T860] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 67.323361][ T860] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 67.323687][ T860] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 67.324060][ T860] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 67.324375][ T860] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 67.324717][ T860] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 67.325025][ T860] ? 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) 
[ 67.325346][ T860] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 67.325669][ T860] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 67.326002][ T860] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 67.326316][ T860] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 67.326658][ T860] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 67.326971][ T860] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 67.327325][ T860] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 67.327649][ T860] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 67.327965][ T860] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 67.328360][ T860] ___sys_sendmsg (net/socket.c:2670) 
[ 67.328785][ T860] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 67.329103][ T860] ? __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) 
[ 67.329488][ T860] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 67.329825][ T860] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 67.330148][ T860] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 67.330464][ T860] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 67.330805][ T860] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 67.331209][ T860] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 67.331532][ T860] __sys_sendmsg (net/socket.c:2700) 
[ 67.331851][ T860] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 67.332261][ T860] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 67.332603][ T860] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 67.332922][ T860] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 67.333233][ T860] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   67.333647][  T860] RIP: 0033:0x7fbc87dfb1e7
[ 67.333967][ T860] 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)
[   67.335111][  T860] RSP: 002b:00007ffdaf066538 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   67.335592][  T860] RAX: ffffffffffffffda RBX: 00007ffdaf066c60 RCX: 00007fbc87dfb1e7
[   67.336081][  T860] RDX: 0000000000000000 RSI: 00007ffdaf0665a0 RDI: 0000000000000005
[   67.336581][  T860] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   67.337071][  T860] R10: 0000000013906910 R11: 0000000000000246 R12: 0000000000000004
[   67.337528][  T860] R13: 00000000686e6933 R14: 0000000000499600 R15: 0000000000000000
| [   68.080538][  T866] ------------[ cut here ]------------
| [ 68.081119][ T866] WARNING: CPU: 2 PID: 866 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) 
| [   68.082182][  T866] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc act_gact cls_flower sch_ingress vrf veth
| [   68.084632][  T866] Tainted: [W]=WARN
[   68.085071][  T866] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 68.085814][ T866] 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) 
[ 68.086408][ T866] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   68.088437][  T866] RSP: 0018:ffffc90000a86ef0 EFLAGS: 00010246
[   68.089121][  T866] RAX: 0000000000000000 RBX: ffff88800958a000 RCX: 0000000000000001
[   68.089756][  T866] RDX: 0000000000000000 RSI: ffffffff8cc9b939 RDI: ffffffff8c4555e0
[   68.090383][  T866] RBP: ffffc90000a86fe0 R08: 0000000000000000 R09: 0000000000000000
[   68.090902][  T866] R10: ffffc90000a87010 R11: ffffffff8daa8918 R12: 1ffff92000150de2
[   68.091381][  T866] R13: 00000000000005dc R14: ffffc90000a87010 R15: ffff88800958af08
[   68.092082][  T866] FS:  00007fe813495800(0000) GS:ffff8880a75b7000(0000) knlGS:0000000000000000
[   68.092953][  T866] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.093599][  T866] CR2: 00000000004e5768 CR3: 0000000008671006 CR4: 0000000000772ef0
[   68.094196][  T866] PKRU: 55555554
[   68.094498][  T866] Call Trace:
[   68.094879][  T866]  <TASK>
[ 68.095208][ T866] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 68.095798][ T866] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 68.096383][ T866] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 68.096961][ T866] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 68.097743][ T866] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 68.098323][ T866] netif_set_mtu (net/core/dev.c:9652) 
[ 68.098913][ T866] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 68.099534][ T866] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 68.100335][ T866] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 68.100785][ T866] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 68.101601][ T866] br_add_if (net/bridge/br_if.c:697) bridge 
[ 68.102277][ T866] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 68.102879][ T866] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 68.103466][ T866] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 68.104239][ T866] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 68.104795][ T866] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 68.105312][ T866] ? __kernel_text_address (kernel/extable.c:79) 
[ 68.105940][ T866] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 68.106570][ T866] ? __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) 
[ 68.107157][ T866] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 68.107889][ T866] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 68.108465][ T866] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 68.109054][ T866] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 68.109702][ T866] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 68.110226][ T866] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 68.110864][ T866] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 68.111425][ T866] ? __create_object (mm/kmemleak.c:771) 
[ 68.112017][ T866] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 68.112618][ T866] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 68.113177][ T866] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 68.113919][ T866] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 68.114510][ T866] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 68.115116][ T866] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 68.115719][ T866] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 68.116305][ T866] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 68.116824][ T866] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 68.117218][ T866] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 68.117605][ T866] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 68.117936][ T866] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 68.118321][ T866] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 68.118690][ T866] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 68.119115][ T866] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 68.119505][ T866] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 68.120094][ T866] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 68.120615][ T866] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 68.121032][ T866] ? 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) 
[ 68.121477][ T866] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 68.122048][ T866] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 68.122629][ T866] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 68.123203][ T866] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 68.123792][ T866] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 68.124386][ T866] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 68.124983][ T866] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 68.125586][ T866] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 68.126148][ T866] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 68.126913][ T866] ___sys_sendmsg (net/socket.c:2670) 
[ 68.127481][ T866] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 68.128073][ T866] ? __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) 
[ 68.128788][ T866] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 68.129371][ T866] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 68.129982][ T866] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 68.130537][ T866] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 68.130941][ T866] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 68.131320][ T866] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 68.131779][ T866] __sys_sendmsg (net/socket.c:2700) 
[ 68.132123][ T866] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 68.132556][ T866] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 68.132903][ T866] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 68.133241][ T866] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 68.133731][ T866] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   68.134136][  T866] RIP: 0033:0x7fe8136621e7
[ 68.134632][ T866] 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)
[   68.135986][  T866] RSP: 002b:00007ffd21964b08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   68.136568][  T866] RAX: ffffffffffffffda RBX: 00007ffd21965230 RCX: 00007fe8136621e7
[   68.137071][  T866] RDX: 0000000000000000 RSI: 00007ffd21964b70 RDI: 0000000000000005
[   68.137567][  T866] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   68.138049][  T866] R10: 000000003eb14910 R11: 0000000000000246 R12: 0000000000000004
[   68.138536][  T866] R13: 00000000686e6933 R14: 0000000000499600 R15: 0000000000000000
| [   71.273955][  T898] ------------[ cut here ]------------
| [ 71.274266][ T898] WARNING: CPU: 3 PID: 898 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) 
| [   71.274886][  T898] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc act_gact cls_flower sch_ingress vrf veth
| [   71.276235][  T898] Tainted: [W]=WARN
[   71.276475][  T898] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 71.277064][ T898] 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) 
[ 71.277379][ T898] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   71.278639][  T898] RSP: 0018:ffffc90000c16ef0 EFLAGS: 00010246
[   71.279024][  T898] RAX: 0000000000000000 RBX: ffff88800fb12000 RCX: 0000000000000001
[   71.279480][  T898] RDX: 0000000000000000 RSI: ffffffff8cc9b939 RDI: ffffffff8c4555e0
[   71.280170][  T898] RBP: ffffc90000c16fe0 R08: 0000000000000000 R09: 0000000000000000
[   71.280843][  T898] R10: ffffc90000c17010 R11: ffffffff8d179160 R12: 1ffff92000182de2
[   71.281306][  T898] R13: 00000000000005dc R14: ffffc90000c17010 R15: ffff88800fb12f08
[   71.281912][  T898] FS:  00007f83545cf800(0000) GS:ffff8880a7637000(0000) knlGS:0000000000000000
[   71.282445][  T898] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.282977][  T898] CR2: 00000000004e6898 CR3: 000000000e431004 CR4: 0000000000772ef0
[   71.283433][  T898] PKRU: 55555554
[   71.283693][  T898] Call Trace:
[   71.283923][  T898]  <TASK>
[ 71.284079][ T898] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 71.284384][ T898] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 71.284705][ T898] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 71.285015][ T898] netif_set_mtu (net/core/dev.c:9652) 
[ 71.285319][ T898] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 71.285663][ T898] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 71.285902][ T898] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 71.286324][ T898] br_add_if (net/bridge/br_if.c:697) bridge 
[ 71.286690][ T898] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 71.287000][ T898] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 71.287312][ T898] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 71.287717][ T898] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 71.288025][ T898] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 71.288329][ T898] ? __kernel_text_address (kernel/extable.c:79) 
[ 71.288646][ T898] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 71.288959][ T898] ? __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) 
[ 71.289263][ T898] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 71.289653][ T898] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 71.289969][ T898] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 71.290272][ T898] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 71.290581][ T898] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 71.290885][ T898] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 71.291187][ T898] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 71.291485][ T898] ? __create_object (mm/kmemleak.c:771) 
[ 71.291807][ T898] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 71.292120][ T898] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 71.292423][ T898] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 71.292808][ T898] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 71.293120][ T898] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 71.293427][ T898] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 71.293737][ T898] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 71.294048][ T898] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 71.294357][ T898] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 71.294666][ T898] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 71.294972][ T898] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 71.295278][ T898] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 71.295616][ T898] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 71.295930][ T898] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 71.296244][ T898] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 71.296566][ T898] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 71.296884][ T898] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 71.297201][ T898] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 71.297504][ T898] ? 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) 
[ 71.297825][ T898] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 71.298135][ T898] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 71.298440][ T898] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 71.298759][ T898] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 71.299080][ T898] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 71.299387][ T898] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 71.299716][ T898] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 71.300033][ T898] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 71.300338][ T898] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 71.300736][ T898] ___sys_sendmsg (net/socket.c:2670) 
[ 71.301036][ T898] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 71.301344][ T898] ? __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) 
[ 71.302230][ T898] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 71.302556][ T898] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 71.302865][ T898] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 71.303172][ T898] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 71.303476][ T898] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 71.303799][ T898] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 71.304121][ T898] __sys_sendmsg (net/socket.c:2700) 
[ 71.304420][ T898] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 71.304803][ T898] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 71.305117][ T898] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 71.305423][ T898] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 71.305737][ T898] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   71.306112][  T898] RIP: 0033:0x7f835479c1e7
[ 71.306428][ T898] 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)
[   71.307524][  T898] RSP: 002b:00007ffdf61b6a88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   71.308002][  T898] RAX: ffffffffffffffda RBX: 00007ffdf61b71b0 RCX: 00007f835479c1e7
[   71.308479][  T898] RDX: 0000000000000000 RSI: 00007ffdf61b6af0 RDI: 0000000000000005
[   71.308955][  T898] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   71.309409][  T898] R10: 000000001601d910 R11: 0000000000000246 R12: 0000000000000004
[   71.309879][  T898] R13: 00000000686e6937 R14: 0000000000499600 R15: 0000000000000000
| [   71.990279][  T904] ------------[ cut here ]------------
| [ 71.991083][ T904] WARNING: CPU: 2 PID: 904 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) 
| [   71.991765][  T904] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc act_gact cls_flower sch_ingress vrf veth
| [   71.993178][  T904] Tainted: [W]=WARN
[   71.993437][  T904] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 71.993843][ T904] 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) 
[ 71.994175][ T904] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   71.995333][  T904] RSP: 0018:ffffc90000c76ef0 EFLAGS: 00010246
[   71.995758][  T904] RAX: 0000000000000000 RBX: ffff88800fb12000 RCX: 0000000000000001
[   71.996229][  T904] RDX: 0000000000000000 RSI: ffffffff8cc9b939 RDI: ffffffff8c4555e0
[   71.996748][  T904] RBP: ffffc90000c76fe0 R08: 0000000000000000 R09: 0000000000000000
[   71.997222][  T904] R10: ffffc90000c77010 R11: ffffffff8daa8918 R12: 1ffff9200018ede2
[   71.997722][  T904] R13: 00000000000005dc R14: ffffc90000c77010 R15: ffff88800fb12f08
[   71.998196][  T904] FS:  00007f23ac49f800(0000) GS:ffff8880a75b7000(0000) knlGS:0000000000000000
[   71.998772][  T904] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.999179][  T904] CR2: 00000000004e5768 CR3: 000000000e991001 CR4: 0000000000772ef0
[   71.999690][  T904] PKRU: 55555554
[   71.999937][  T904] Call Trace:
[   72.000184][  T904]  <TASK>
[ 72.000367][ T904] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 72.000699][ T904] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 72.001026][ T904] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 72.001369][ T904] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 72.001862][ T904] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 72.002181][ T904] netif_set_mtu (net/core/dev.c:9652) 
[ 72.002515][ T904] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 72.002863][ T904] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 72.003298][ T904] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 72.003579][ T904] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 72.004011][ T904] br_add_if (net/bridge/br_if.c:697) bridge 
[ 72.004387][ T904] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 72.004724][ T904] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 72.005048][ T904] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 72.005456][ T904] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 72.005786][ T904] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 72.006103][ T904] ? __kernel_text_address (kernel/extable.c:79) 
[ 72.006449][ T904] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 72.006802][ T904] ? __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) 
[ 72.007124][ T904] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 72.007525][ T904] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 72.007869][ T904] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 72.008198][ T904] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 72.008523][ T904] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 72.008869][ T904] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 72.009191][ T904] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 72.009517][ T904] ? __create_object (mm/kmemleak.c:771) 
[ 72.009866][ T904] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 72.010187][ T904] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 72.010518][ T904] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 72.010921][ T904] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 72.011247][ T904] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 72.011614][ T904] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 72.011933][ T904] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 72.012256][ T904] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 72.012597][ T904] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 72.012913][ T904] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 72.013230][ T904] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 72.013569][ T904] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 72.013887][ T904] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 72.014216][ T904] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 72.014563][ T904] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 72.014881][ T904] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 72.015198][ T904] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 72.015538][ T904] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 72.015880][ T904] ? 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) 
[ 72.016199][ T904] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 72.016580][ T904] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 72.016900][ T904] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 72.017223][ T904] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 72.017570][ T904] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 72.017892][ T904] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 72.018218][ T904] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 72.018565][ T904] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 72.018889][ T904] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 72.019295][ T904] ___sys_sendmsg (net/socket.c:2670) 
[ 72.019653][ T904] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 72.019981][ T904] ? __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) 
[ 72.020390][ T904] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 72.020727][ T904] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 72.021053][ T904] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 72.021422][ T904] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 72.021785][ T904] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 72.022104][ T904] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 72.022443][ T904] __sys_sendmsg (net/socket.c:2700) 
[ 72.022777][ T904] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 72.023169][ T904] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 72.023516][ T904] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 72.023866][ T904] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 72.024202][ T904] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   72.024607][  T904] RIP: 0033:0x7f23ac66c1e7
[ 72.024935][ T904] 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)
[   72.026034][  T904] RSP: 002b:00007ffcbf4cd718 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   72.026525][  T904] RAX: ffffffffffffffda RBX: 00007ffcbf4cde40 RCX: 00007f23ac66c1e7
[   72.027003][  T904] RDX: 0000000000000000 RSI: 00007ffcbf4cd780 RDI: 0000000000000005
[   72.027468][  T904] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   72.027951][  T904] R10: 0000000024445910 R11: 0000000000000246 R12: 0000000000000004
[   72.028477][  T904] R13: 00000000686e6937 R14: 0000000000499600 R15: 0000000000000000
| [   89.283872][ T1021] ------------[ cut here ]------------
| [ 89.284280][ T1021] WARNING: CPU: 0 PID: 1021 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) 
| [   89.285320][ T1021] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc act_gact cls_flower sch_ingress vrf veth
| [   89.288919][ T1021] Tainted: [W]=WARN
[   89.289217][ T1021] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 89.289844][ T1021] 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) 
[ 89.290407][ T1021] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   89.292350][ T1021] RSP: 0018:ffffc90001066f70 EFLAGS: 00010246
[   89.293054][ T1021] RAX: 0000000000000000 RBX: ffff88800bb2a000 RCX: 0000000000000001
[   89.293874][ T1021] RDX: 0000000000000000 RSI: ffffffff8cc9b939 RDI: ffffffff8c4555e0
[   89.294698][ T1021] RBP: ffffc90001067058 R08: 0000000000000000 R09: 0000000000000000
[   89.295506][ T1021] R10: ffffc90001067088 R11: ffffffff89000130 R12: 1ffff9200020cdf2
[   89.296325][ T1021] R13: 00000000000005dc R14: ffffc90001067088 R15: ffff88800bb2af08
[   89.297160][ T1021] FS:  00007f8e99b4e800(0000) GS:ffff8880a74b7000(0000) knlGS:0000000000000000
[   89.298116][ T1021] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.298800][ T1021] CR2: 00000000004e5760 CR3: 000000000e449003 CR4: 0000000000772ef0
[   89.299639][ T1021] PKRU: 55555554
[   89.300057][ T1021] Call Trace:
[   89.300458][ T1021]  <TASK>
[ 89.300744][ T1021] ? __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) 
[ 89.301412][ T1021] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 89.302028][ T1021] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 89.302575][ T1021] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 89.303106][ T1021] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 89.303658][ T1021] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 89.304199][ T1021] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 89.304745][ T1021] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 89.305278][ T1021] ? ___sys_sendmsg (net/socket.c:2670) 
[ 89.305826][ T1021] ? __sys_sendmsg (net/socket.c:2700) 
[ 89.306358][ T1021] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 89.306911][ T1021] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 89.307592][ T1021] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 89.308151][ T1021] netif_set_mtu (net/core/dev.c:9652) 
[ 89.308713][ T1021] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 89.309286][ T1021] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 89.309698][ T1021] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 89.310311][ T1021] br_del_if (net/bridge/br_if.c:743) bridge 
[ 89.310884][ T1021] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 89.311426][ T1021] do_set_master (net/core/rtnetlink.c:2932) 
[ 89.311977][ T1021] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 89.312530][ T1021] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 89.313227][ T1021] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 89.313775][ T1021] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 89.314313][ T1021] ? __kernel_text_address (kernel/extable.c:79) 
[ 89.314899][ T1021] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 89.315443][ T1021] ? __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) 
[ 89.315988][ T1021] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 89.316687][ T1021] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 89.317229][ T1021] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 89.317782][ T1021] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 89.318317][ T1021] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 89.318865][ T1021] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 89.319372][ T1021] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 89.319833][ T1021] ? __create_object (mm/kmemleak.c:771) 
[ 89.320358][ T1021] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 89.320924][ T1021] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 89.321463][ T1021] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 89.322146][ T1021] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 89.322565][ T1021] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 89.323074][ T1021] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 89.323621][ T1021] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 89.324103][ T1021] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 89.324567][ T1021] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 89.325032][ T1021] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 89.325476][ T1021] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 89.326030][ T1021] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 89.326595][ T1021] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 89.327141][ T1021] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 89.327691][ T1021] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 89.328232][ T1021] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 89.328794][ T1021] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 89.329356][ T1021] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 89.329901][ T1021] ? 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) 
[ 89.330442][ T1021] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 89.331001][ T1021] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 89.331535][ T1021] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 89.332095][ T1021] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 89.332669][ T1021] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 89.333208][ T1021] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 89.333773][ T1021] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 89.334312][ T1021] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 89.334860][ T1021] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 89.335563][ T1021] ___sys_sendmsg (net/socket.c:2670) 
[ 89.336093][ T1021] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 89.336662][ T1021] ? __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) 
[ 89.337332][ T1021] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 89.337891][ T1021] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 89.338437][ T1021] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 89.339004][ T1021] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 89.339556][ T1021] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 89.340090][ T1021] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 89.340668][ T1021] __sys_sendmsg (net/socket.c:2700) 
[ 89.341204][ T1021] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 89.341883][ T1021] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 89.342444][ T1021] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 89.342998][ T1021] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 89.343539][ T1021] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   89.344209][ T1021] RIP: 0033:0x7f8e99d1b1e7
[ 89.344784][ T1021] 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)
[   89.346722][ T1021] RSP: 002b:00007ffd05d6f3e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   89.347529][ T1021] RAX: ffffffffffffffda RBX: 00007ffd05d6fb10 RCX: 00007f8e99d1b1e7
[   89.348354][ T1021] RDX: 0000000000000000 RSI: 00007ffd05d6f450 RDI: 0000000000000005
[   89.349173][ T1021] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   89.349991][ T1021] R10: 00007f8e99c18ee8 R11: 0000000000000246 R12: 0000000000000003
[   89.350806][ T1021] R13: 00000000686e6949 R14: 0000000000499600 R15: 0000000000000000
| [   89.935494][ T1025] ------------[ cut here ]------------
| [ 89.935918][ T1025] WARNING: CPU: 0 PID: 1025 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) 
| [   89.937649][ T1025] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc act_gact cls_flower sch_ingress vrf veth
| [   89.939817][ T1025] Tainted: [W]=WARN
[   89.940225][ T1025] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 89.940908][ T1025] 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) 
[ 89.941463][ T1025] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   89.943403][ T1025] RSP: 0018:ffffc900010a6f70 EFLAGS: 00010246
[   89.944097][ T1025] RAX: 0000000000000000 RBX: ffff88800bb2a000 RCX: 0000000000000001
[   89.944910][ T1025] RDX: 0000000000000000 RSI: ffffffff8cc9b939 RDI: ffffffff8c4555e0
[   89.945739][ T1025] RBP: ffffc900010a7058 R08: 0000000000000000 R09: 0000000000000000
[   89.946568][ T1025] R10: ffffc900010a7088 R11: ffffffff8d179160 R12: 1ffff92000214df2
[   89.947379][ T1025] R13: 00000000000005dc R14: ffffc900010a7088 R15: ffff88800bb2af08
[   89.948196][ T1025] FS:  00007f67cd094800(0000) GS:ffff8880a74b7000(0000) knlGS:0000000000000000
[   89.949150][ T1025] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.949843][ T1025] CR2: 00000000004e5ab0 CR3: 000000000574b001 CR4: 0000000000772ef0
[   89.950662][ T1025] PKRU: 55555554
[   89.951071][ T1025] Call Trace:
[   89.951473][ T1025]  <TASK>
[ 89.951756][ T1025] ? __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) 
[ 89.952425][ T1025] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 89.953069][ T1025] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 89.953620][ T1025] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 89.954156][ T1025] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 89.954703][ T1025] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 89.955235][ T1025] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 89.955781][ T1025] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 89.956315][ T1025] ? ___sys_sendmsg (net/socket.c:2670) 
[ 89.956862][ T1025] ? __sys_sendmsg (net/socket.c:2700) 
[ 89.957401][ T1025] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 89.957952][ T1025] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 89.958625][ T1025] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 89.959182][ T1025] netif_set_mtu (net/core/dev.c:9652) 
[ 89.959734][ T1025] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 89.960305][ T1025] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 89.960717][ T1025] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 89.961334][ T1025] br_del_if (net/bridge/br_if.c:743) bridge 
[ 89.961903][ T1025] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 89.962440][ T1025] do_set_master (net/core/rtnetlink.c:2932) 
[ 89.962998][ T1025] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 89.963563][ T1025] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 89.964241][ T1025] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 89.964782][ T1025] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 89.965330][ T1025] ? __kernel_text_address (kernel/extable.c:79) 
[ 89.965886][ T1025] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 89.966432][ T1025] ? __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) 
[ 89.966996][ T1025] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 89.967683][ T1025] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 89.968223][ T1025] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 89.968766][ T1025] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 89.969312][ T1025] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 89.969864][ T1025] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 89.970402][ T1025] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 89.970880][ T1025] ? __create_object (mm/kmemleak.c:771) 
[ 89.971327][ T1025] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 89.971886][ T1025] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 89.972419][ T1025] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 89.973091][ T1025] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 89.973666][ T1025] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 89.974215][ T1025] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 89.974763][ T1025] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 89.975313][ T1025] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 89.975862][ T1025] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 89.976395][ T1025] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 89.976953][ T1025] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 89.977489][ T1025] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 89.978053][ T1025] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 89.978613][ T1025] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 89.979161][ T1025] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 89.979716][ T1025] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 89.980255][ T1025] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 89.980821][ T1025] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 89.981355][ T1025] ? 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) 
[ 89.981918][ T1025] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 89.982462][ T1025] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 89.983010][ T1025] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 89.983573][ T1025] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 89.984118][ T1025] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 89.984662][ T1025] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 89.985216][ T1025] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 89.985782][ T1025] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 89.986316][ T1025] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 89.987029][ T1025] ___sys_sendmsg (net/socket.c:2670) 
[ 89.987576][ T1025] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 89.988109][ T1025] ? __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) 
[ 89.988783][ T1025] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 89.989330][ T1025] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 89.989896][ T1025] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 89.990444][ T1025] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 89.990996][ T1025] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 89.991530][ T1025] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 89.992095][ T1025] __sys_sendmsg (net/socket.c:2700) 
[ 89.992636][ T1025] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 89.993300][ T1025] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 89.993883][ T1025] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 89.994422][ T1025] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 89.994975][ T1025] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   89.995649][ T1025] RIP: 0033:0x7f67cd2611e7
[ 89.996205][ T1025] 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)
[   89.998147][ T1025] RSP: 002b:00007ffccb6c65c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   89.998969][ T1025] RAX: ffffffffffffffda RBX: 00007ffccb6c6cf0 RCX: 00007f67cd2611e7
[   89.999784][ T1025] RDX: 0000000000000000 RSI: 00007ffccb6c6630 RDI: 0000000000000005
[   90.000605][ T1025] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   90.001416][ T1025] R10: 00007f67cd15eee8 R11: 0000000000000246 R12: 0000000000000003
[   90.002232][ T1025] R13: 00000000686e6949 R14: 0000000000499600 R15: 0000000000000000
| [   90.227082][ T1027] ------------[ cut here ]------------
| [ 90.227496][ T1027] WARNING: CPU: 0 PID: 1027 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) 
| [   90.228659][ T1027] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc act_gact cls_flower sch_ingress vrf veth
| [   90.230807][ T1027] Tainted: [W]=WARN
[   90.231214][ T1027] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 90.231905][ T1027] 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) 
[ 90.232460][ T1027] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   90.234383][ T1027] RSP: 0018:ffffc900010b6f70 EFLAGS: 00010246
[   90.235070][ T1027] RAX: 0000000000000000 RBX: ffff88800bb2a000 RCX: 0000000000000001
[   90.235900][ T1027] RDX: 0000000000000000 RSI: ffffffff8cc9b939 RDI: ffffffff8c4555e0
[   90.236724][ T1027] RBP: ffffc900010b7058 R08: 0000000000000000 R09: 0000000000000000
[   90.237522][ T1027] R10: ffffc900010b7088 R11: ffffffff8d179160 R12: 1ffff92000216df2
[   90.238345][ T1027] R13: 00000000000005dc R14: ffffc900010b7088 R15: ffff88800bb2af08
[   90.239164][ T1027] FS:  00007f67506d1800(0000) GS:ffff8880a74b7000(0000) knlGS:0000000000000000
[   90.240143][ T1027] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   90.240828][ T1027] CR2: 00000000004e5aa8 CR3: 000000000e730003 CR4: 0000000000772ef0
[   90.241645][ T1027] PKRU: 55555554
[   90.242045][ T1027] Call Trace:
[   90.242444][ T1027]  <TASK>
[ 90.242724][ T1027] ? __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) 
[ 90.243395][ T1027] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 90.244006][ T1027] ? do_set_master (net/core/rtnetlink.c:2932) 
[ 90.244559][ T1027] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 90.245096][ T1027] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 90.245639][ T1027] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 90.246171][ T1027] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 90.246728][ T1027] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 90.247263][ T1027] ? ___sys_sendmsg (net/socket.c:2670) 
[ 90.247810][ T1027] ? __sys_sendmsg (net/socket.c:2700) 
[ 90.248341][ T1027] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 90.248888][ T1027] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 90.249572][ T1027] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 90.250125][ T1027] netif_set_mtu (net/core/dev.c:9652) 
[ 90.250671][ T1027] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 90.251255][ T1027] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 90.251674][ T1027] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 90.252285][ T1027] br_del_if (net/bridge/br_if.c:743) bridge 
[ 90.252851][ T1027] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 90.253392][ T1027] do_set_master (net/core/rtnetlink.c:2932) 
[ 90.253946][ T1027] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 90.254492][ T1027] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 90.255190][ T1027] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 90.255733][ T1027] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 90.256266][ T1027] ? __kernel_text_address (kernel/extable.c:79) 
[ 90.256832][ T1027] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 90.257378][ T1027] ? __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) 
[ 90.257933][ T1027] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 90.258607][ T1027] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 90.259155][ T1027] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 90.259701][ T1027] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 90.260233][ T1027] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 90.260785][ T1027] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 90.261320][ T1027] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 90.261865][ T1027] ? __create_object (mm/kmemleak.c:771) 
[ 90.262402][ T1027] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 90.262946][ T1027] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 90.263487][ T1027] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 90.264165][ T1027] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 90.264729][ T1027] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 90.265272][ T1027] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 90.265819][ T1027] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 90.266366][ T1027] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 90.266919][ T1027] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 90.267461][ T1027] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 90.268015][ T1027] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 90.268567][ T1027] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 90.269105][ T1027] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 90.269663][ T1027] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 90.270207][ T1027] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 90.270750][ T1027] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 90.271292][ T1027] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 90.271879][ T1027] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 90.272410][ T1027] ? 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) 
[ 90.272963][ T1027] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 90.273504][ T1027] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 90.274049][ T1027] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 90.274599][ T1027] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 90.275142][ T1027] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 90.275705][ T1027] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 90.276258][ T1027] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 90.276830][ T1027] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 90.277364][ T1027] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 90.278066][ T1027] ___sys_sendmsg (net/socket.c:2670) 
[ 90.278604][ T1027] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 90.279138][ T1027] ? __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) 
[ 90.279826][ T1027] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 90.280368][ T1027] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 90.280925][ T1027] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 90.281473][ T1027] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 90.282022][ T1027] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 90.282566][ T1027] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 90.283117][ T1027] __sys_sendmsg (net/socket.c:2700) 
[ 90.283671][ T1027] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 90.284334][ T1027] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 90.284913][ T1027] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 90.285454][ T1027] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 90.286004][ T1027] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   90.286675][ T1027] RIP: 0033:0x7f675089e1e7
[ 90.287230][ T1027] 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)
[   90.289173][ T1027] RSP: 002b:00007ffe5f0bd5f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   90.289991][ T1027] RAX: ffffffffffffffda RBX: 00007ffe5f0bdd20 RCX: 00007f675089e1e7
[   90.290800][ T1027] RDX: 0000000000000000 RSI: 00007ffe5f0bd660 RDI: 0000000000000005
[   90.291626][ T1027] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   90.292427][ T1027] R10: 00007f675079bee8 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