======================================
| [   21.474921][  T327] br1: port 1(vx1) entered forwarding state
| [   21.476156][  T327] ------------[ cut here ]------------
| [ 21.476559][ T327] WARNING: CPU: 2 PID: 327 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   21.477273][  T327] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
[   21.478826][  T327] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.479293][ T327] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 21.479655][ T327] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   21.480917][  T327] RSP: 0018:ffffc900005f6ef0 EFLAGS: 00010246
[   21.481387][  T327] RAX: 0000000000000000 RBX: ffff88800c662000 RCX: 0000000000000001
[   21.481936][  T327] RDX: 0000000000000000 RSI: ffffffffb2c9b941 RDI: ffffffffb24555e0
[   21.482489][  T327] RBP: ffffc900005f6fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.483034][  T327] R10: ffffc900005f7010 R11: ffffffffb3aa8918 R12: 1ffff920000bede2
[   21.483584][  T327] R13: 00000000000005dc R14: ffffc900005f7010 R15: ffff88800c662f08
[   21.484128][  T327] FS:  00007fd7f4440800(0000) GS:ffff88807a7b7000(0000) knlGS:0000000000000000
[   21.484751][  T327] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.485389][  T327] CR2: 00000000004e5760 CR3: 0000000009d2e003 CR4: 0000000000772ef0
[   21.486072][  T327] PKRU: 55555554
[   21.486355][  T327] Call Trace:
[   21.486630][  T327]  <TASK>
[ 21.486836][ T327] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.487213][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.487590][ T327] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.487979][ T327] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.488420][ T327] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.488810][ T327] netif_set_mtu (net/core/dev.c:9652) 
[ 21.489176][ T327] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.489563][ T327] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.490072][ T327] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.490354][ T327] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.490868][ T327] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.491280][ T327] do_set_master (net/core/rtnetlink.c:2948) 
[ 21.491650][ T327] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.492037][ T327] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.492486][ T327] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.492858][ T327] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.493214][ T327] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.493577][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.493962][ T327] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 21.494331][ T327] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.494799][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.495167][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.495533][ T327] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.495904][ T327] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.496264][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.496632][ T327] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.497023][ T327] ? __create_object (mm/kmemleak.c:771) 
[ 21.497390][ T327] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.497777][ T327] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.498151][ T327] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.498602][ T327] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.498983][ T327] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.499363][ T327] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.499721][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.500108][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.500476][ T327] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.500840][ T327] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.501202][ T327] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.501559][ T327] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.501929][ T327] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.502288][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.502664][ T327] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.503046][ T327] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.503426][ T327] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.503809][ T327] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.504189][ T327] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 21.504551][ T327] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.504932][ T327] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.505309][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.505674][ T327] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.506063][ T327] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.506426][ T327] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.506815][ T327] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.507183][ T327] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.507551][ T327] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.508020][ T327] ___sys_sendmsg (net/socket.c:2670) 
[ 21.508390][ T327] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.508747][ T327] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 21.509202][ T327] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.509568][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.509942][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.510308][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.510667][ T327] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.511045][ T327] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.511412][ T327] __sys_sendmsg (net/socket.c:2700) 
[ 21.511766][ T327] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.512217][ T327] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.512587][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.512958][ T327] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.513320][ T327] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.513766][  T327] RIP: 0033:0x7fd7f460d1e7
[ 21.514135][ T327] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   21.515380][  T327] RSP: 002b:00007ffc796cb948 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.515925][  T327] RAX: ffffffffffffffda RBX: 00007ffc796cc070 RCX: 00007fd7f460d1e7
[   21.516469][  T327] RDX: 0000000000000000 RSI: 00007ffc796cb9b0 RDI: 0000000000000005
[   21.517011][  T327] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.517551][  T327] R10: 0000000036f93910 R11: 0000000000000246 R12: 0000000000000004
[   21.518095][  T327] R13: 00000000686e157b R14: 0000000000499600 R15: 0000000000000000
| [   21.643868][  T328] ------------[ cut here ]------------
| [ 21.644184][ T328] WARNING: CPU: 3 PID: 328 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   21.644820][  T328] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [   21.646068][  T328] Tainted: [W]=WARN
[   21.646316][  T328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.646721][ T328] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 21.647059][ T328] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   21.648231][  T328] RSP: 0000:ffffc900005d6ef0 EFLAGS: 00010246
[   21.648637][  T328] RAX: 0000000000000000 RBX: ffff88800c662000 RCX: 0000000000000001
[   21.649126][  T328] RDX: 0000000000000000 RSI: ffffffffb2c9b941 RDI: ffffffffb24555e0
[   21.649605][  T328] RBP: ffffc900005d6fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.650100][  T328] R10: ffffc900005d7010 R11: ffffffffb3aa8918 R12: 1ffff920000bade2
[   21.650581][  T328] R13: 00000000000005dc R14: ffffc900005d7010 R15: ffff88800c662f08
[   21.651067][  T328] FS:  00007fd191f34800(0000) GS:ffff88807a837000(0000) knlGS:0000000000000000
[   21.651627][  T328] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.652044][  T328] CR2: 00007f7133d16b50 CR3: 000000000c4e6006 CR4: 0000000000772ef0
[   21.652525][  T328] PKRU: 55555554
[   21.652766][  T328] Call Trace:
[   21.653016][  T328]  <TASK>
[ 21.653183][ T328] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.653503][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.653841][ T328] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.654163][ T328] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.654572][ T328] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.654907][ T328] netif_set_mtu (net/core/dev.c:9652) 
[ 21.655230][ T328] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.655564][ T328] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.656023][ T328] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.656268][ T328] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.656704][ T328] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.657085][ T328] do_set_master (net/core/rtnetlink.c:2948) 
[ 21.657415][ T328] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.657752][ T328] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.658166][ T328] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.658490][ T328] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.658818][ T328] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.659151][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.659474][ T328] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 21.659819][ T328] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.660216][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.660539][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.660869][ T328] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.661188][ T328] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.661512][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.661845][ T328] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.662164][ T328] ? __create_object (mm/kmemleak.c:771) 
[ 21.662486][ T328] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.662816][ T328] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.663139][ T328] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.663535][ T328] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.663874][ T328] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.664204][ T328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.664524][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.664860][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.665180][ T328] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.665497][ T328] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.665826][ T328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.666147][ T328] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.666471][ T328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.666810][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.667138][ T328] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.667465][ T328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.668025][ T328] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.668620][ T328] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.669113][ T328] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 21.669438][ T328] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.669773][ T328] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.670102][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.670434][ T328] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.670756][ T328] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.671086][ T328] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.671413][ T328] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.671735][ T328] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.672082][ T328] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.672496][ T328] ___sys_sendmsg (net/socket.c:2670) 
[ 21.672819][ T328] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.673138][ T328] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 21.673538][ T328] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.673867][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.674192][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.674522][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.674850][ T328] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.675171][ T328] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.675500][ T328] __sys_sendmsg (net/socket.c:2700) 
[ 21.675826][ T328] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.676221][ T328] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.676552][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.676885][ T328] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.677216][ T328] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.677621][  T328] RIP: 0033:0x7fd1921011e7
[ 21.677961][ T328] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   21.679106][  T328] RSP: 002b:00007ffccec7e6c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.679594][  T328] RAX: ffffffffffffffda RBX: 00007ffccec7edf0 RCX: 00007fd1921011e7
[   21.680084][  T328] RDX: 0000000000000000 RSI: 00007ffccec7e730 RDI: 0000000000000005
[   21.680565][  T328] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.681050][  T328] R10: 00000000331df910 R11: 0000000000000246 R12: 0000000000000004
[   21.681536][  T328] R13: 00000000686e157b R14: 0000000000499600 R15: 0000000000000000
| [   21.924771][  T330] ------------[ cut here ]------------
| [ 21.925147][ T330] WARNING: CPU: 2 PID: 330 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   21.925820][  T330] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [   21.927029][  T330] Tainted: [W]=WARN
[   21.927273][  T330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.927687][ T330] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 21.928024][ T330] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   21.929136][  T330] RSP: 0018:ffffc900005b6ef0 EFLAGS: 00010246
[   21.929543][  T330] RAX: 0000000000000000 RBX: ffff88800c662000 RCX: 0000000000000001
[   21.930022][  T330] RDX: 0000000000000000 RSI: ffffffffb2c9b941 RDI: ffffffffb24555e0
[   21.930486][  T330] RBP: ffffc900005b6fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.930962][  T330] R10: ffffc900005b7010 R11: ffffffffb3aa8918 R12: 1ffff920000b6de2
[   21.931436][  T330] R13: 00000000000005dc R14: ffffc900005b7010 R15: ffff88800c662f08
[   21.931911][  T330] FS:  00007f6de2bb0800(0000) GS:ffff88807a7b7000(0000) knlGS:0000000000000000
[   21.932457][  T330] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.932865][  T330] CR2: 00000000004e5ab0 CR3: 000000000bab1002 CR4: 0000000000772ef0
[   21.933334][  T330] PKRU: 55555554
[   21.933578][  T330] Call Trace:
[   21.933826][  T330]  <TASK>
[ 21.933996][ T330] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.934316][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.934640][ T330] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.934969][ T330] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.935360][ T330] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.935682][ T330] netif_set_mtu (net/core/dev.c:9652) 
[ 21.936027][ T330] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.936357][ T330] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.936808][ T330] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.937058][ T330] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.937486][ T330] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.937875][ T330] do_set_master (net/core/rtnetlink.c:2948) 
[ 21.938197][ T330] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.938525][ T330] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.938936][ T330] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.939254][ T330] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.939567][ T330] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.939899][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.940220][ T330] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 21.940540][ T330] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.940947][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.941269][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.941585][ T330] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.941909][ T330] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.942225][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.942545][ T330] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.942870][ T330] ? __create_object (mm/kmemleak.c:771) 
[ 21.943200][ T330] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.943517][ T330] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.943841][ T330] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.944230][ T330] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.944553][ T330] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.944891][ T330] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.945208][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.945532][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.945866][ T330] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.946182][ T330] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.946502][ T330] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.946832][ T330] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.947151][ T330] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.947473][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.947819][ T330] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.948135][ T330] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.948453][ T330] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.948783][ T330] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.949109][ T330] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 21.949428][ T330] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.949744][ T330] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.950068][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.950391][ T330] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.950711][ T330] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.951036][ T330] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.951362][ T330] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.951681][ T330] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.952055][ T330] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.952472][ T330] ___sys_sendmsg (net/socket.c:2670) 
[ 21.952798][ T330] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.953160][ T330] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 21.953576][ T330] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.953919][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.954259][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.954601][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.954946][ T330] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.955280][ T330] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.955625][ T330] __sys_sendmsg (net/socket.c:2700) 
[ 21.955971][ T330] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.956381][ T330] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.956727][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.957071][ T330] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.957405][ T330] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.957838][  T330] RIP: 0033:0x7f6de2d7d1e7
[ 21.958189][ T330] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   21.959313][  T330] RSP: 002b:00007ffe7aba8268 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.959784][  T330] RAX: ffffffffffffffda RBX: 00007ffe7aba8990 RCX: 00007f6de2d7d1e7
[   21.960270][  T330] RDX: 0000000000000000 RSI: 00007ffe7aba82d0 RDI: 0000000000000005
[   21.960731][  T330] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.961213][  T330] R10: 00000000244b4910 R11: 0000000000000246 R12: 0000000000000004
[   21.961683][  T330] R13: 00000000686e157b R14: 0000000000499600 R15: 0000000000000000
| [   26.333606][  T376] ------------[ cut here ]------------
| [ 26.334912][ T376] WARNING: CPU: 3 PID: 376 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) 
| [   26.335526][  T376] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [   26.336847][  T376] Tainted: [W]=WARN
[   26.337080][  T376] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 26.337461][ T376] 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) 
[ 26.337816][ T376] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   26.338930][  T376] RSP: 0018:ffffc90000846ef0 EFLAGS: 00010246
[   26.339313][  T376] RAX: 0000000000000000 RBX: ffff888010382000 RCX: 0000000000000001
[   26.339768][  T376] RDX: 0000000000000000 RSI: ffffffffb2c9b941 RDI: ffffffffb24555e0
[   26.340250][  T376] RBP: ffffc90000846fe0 R08: 0000000000000000 R09: 0000000000000000
[   26.340705][  T376] R10: ffffc90000847010 R11: ffffffffb3179160 R12: 1ffff92000108de2
[   26.341184][  T376] R13: 00000000000005dc R14: ffffc90000847010 R15: ffff888010382f08
[   26.341651][  T376] FS:  00007f9c254e0800(0000) GS:ffff88807a837000(0000) knlGS:0000000000000000
[   26.342204][  T376] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.342597][  T376] CR2: 00000000004e6898 CR3: 00000000091f8003 CR4: 0000000000772ef0
[   26.343079][  T376] PKRU: 55555554
[   26.343307][  T376] Call Trace:
[   26.343535][  T376]  <TASK>
[ 26.343691][ T376] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 26.344008][ T376] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.344322][ T376] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.344644][ T376] netif_set_mtu (net/core/dev.c:9652) 
[ 26.344959][ T376] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 26.345286][ T376] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 26.345516][ T376] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 26.345953][ T376] br_add_if (net/bridge/br_if.c:697) bridge 
[ 26.346328][ T376] do_set_master (net/core/rtnetlink.c:2948) 
[ 26.346643][ T376] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 26.346978][ T376] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 26.347367][ T376] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 26.347704][ T376] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 26.348032][ T376] ? __kernel_text_address (kernel/extable.c:79) 
[ 26.348342][ T376] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.348651][ T376] ? __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) 
[ 26.348971][ T376] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 26.349353][ T376] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.349662][ T376] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.349998][ T376] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 26.350304][ T376] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 26.350612][ T376] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 26.350926][ T376] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 26.351232][ T376] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 26.351535][ T376] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 26.351926][ T376] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 26.352237][ T376] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 26.352551][ T376] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.352865][ T376] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.353177][ T376] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.353482][ T376] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 26.353812][ T376] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.354120][ T376] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.354433][ T376] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 26.354736][ T376] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.355058][ T376] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.355384][ T376] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 26.355690][ T376] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.356007][ T376] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 26.356322][ T376] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 26.356625][ T376] ? 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) 
[ 26.356948][ T376] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 26.357256][ T376] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 26.357571][ T376] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.357897][ T376] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 26.358207][ T376] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 26.358512][ T376] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 26.358833][ T376] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 26.359147][ T376] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 26.359455][ T376] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 26.359853][ T376] ___sys_sendmsg (net/socket.c:2670) 
[ 26.360156][ T376] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 26.360462][ T376] ? __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) 
[ 26.360850][ T376] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 26.361161][ T376] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.361467][ T376] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.361784][ T376] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.362103][ T376] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 26.362407][ T376] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.362719][ T376] __sys_sendmsg (net/socket.c:2700) 
[ 26.363034][ T376] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 26.363412][ T376] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 26.363729][ T376] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.364051][ T376] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 26.364359][ T376] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   26.364736][  T376] RIP: 0033:0x7f9c256ad1e7
[ 26.365059][ T376] 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)
[   26.366159][  T376] RSP: 002b:00007ffff7e45cc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.366620][  T376] RAX: ffffffffffffffda RBX: 00007ffff7e463f0 RCX: 00007f9c256ad1e7
[   26.367083][  T376] RDX: 0000000000000000 RSI: 00007ffff7e45d30 RDI: 0000000000000005
[   26.367570][  T376] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   26.368033][  T376] R10: 00000000200fb910 R11: 0000000000000246 R12: 0000000000000004
[   26.368493][  T376] R13: 00000000686e1580 R14: 0000000000499600 R15: 0000000000000000
| [   27.128167][  T382] ------------[ cut here ]------------
| [ 27.128518][ T382] WARNING: CPU: 3 PID: 382 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) 
| [   27.129179][  T382] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [   27.130488][  T382] Tainted: [W]=WARN
[   27.130731][  T382] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 27.131155][ T382] 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) 
[ 27.131488][ T382] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   27.132653][  T382] RSP: 0018:ffffc900009f6ef0 EFLAGS: 00010246
[   27.133078][  T382] RAX: 0000000000000000 RBX: ffff888010382000 RCX: 0000000000000001
[   27.133574][  T382] RDX: 0000000000000000 RSI: ffffffffb2c9b941 RDI: ffffffffb24555e0
[   27.134077][  T382] RBP: ffffc900009f6fe0 R08: 0000000000000000 R09: 0000000000000000
[   27.134558][  T382] R10: ffffc900009f7010 R11: ffffffffb3aa8918 R12: 1ffff9200013ede2
[   27.135048][  T382] R13: 00000000000005dc R14: ffffc900009f7010 R15: ffff888010382f08
[   27.135528][  T382] FS:  00007fb4b8e86800(0000) GS:ffff88807a837000(0000) knlGS:0000000000000000
[   27.136101][  T382] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.136504][  T382] CR2: 00000000004e5768 CR3: 00000000091f8002 CR4: 0000000000772ef0
[   27.137012][  T382] PKRU: 55555554
[   27.137255][  T382] Call Trace:
[   27.137493][  T382]  <TASK>
[ 27.137671][ T382] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 27.138003][ T382] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.138335][ T382] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 27.138657][ T382] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 27.139065][ T382] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 27.139404][ T382] netif_set_mtu (net/core/dev.c:9652) 
[ 27.139721][ T382] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 27.140062][ T382] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 27.140523][ T382] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 27.140771][ T382] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 27.141225][ T382] br_add_if (net/bridge/br_if.c:697) bridge 
[ 27.141593][ T382] do_set_master (net/core/rtnetlink.c:2948) 
[ 27.141926][ T382] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 27.142253][ T382] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 27.142654][ T382] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 27.142990][ T382] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 27.143314][ T382] ? __kernel_text_address (kernel/extable.c:79) 
[ 27.143633][ T382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.143961][ T382] ? __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) 
[ 27.144284][ T382] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 27.144679][ T382] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.145012][ T382] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.145335][ T382] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 27.145658][ T382] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 27.145986][ T382] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.146317][ T382] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 27.146632][ T382] ? __create_object (mm/kmemleak.c:771) 
[ 27.146974][ T382] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 27.147292][ T382] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 27.147621][ T382] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 27.148029][ T382] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 27.148353][ T382] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 27.148674][ T382] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.148998][ T382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.149320][ T382] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.149639][ T382] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 27.149966][ T382] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.150286][ T382] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.150606][ T382] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 27.150939][ T382] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.151274][ T382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.151611][ T382] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 27.151943][ T382] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.152264][ T382] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 27.152588][ T382] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 27.152926][ T382] ? 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) 
[ 27.153250][ T382] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 27.153573][ T382] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 27.153903][ T382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.154233][ T382] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 27.154556][ T382] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 27.154902][ T382] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 27.155252][ T382] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 27.155577][ T382] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 27.155902][ T382] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 27.156311][ T382] ___sys_sendmsg (net/socket.c:2670) 
[ 27.156629][ T382] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 27.156957][ T382] ? __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) 
[ 27.157369][ T382] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 27.157718][ T382] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.158068][ T382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.158409][ T382] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.158743][ T382] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 27.159083][ T382] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.159430][ T382] __sys_sendmsg (net/socket.c:2700) 
[ 27.159750][ T382] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 27.160158][ T382] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 27.160494][ T382] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.160846][ T382] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 27.161186][ T382] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   27.161583][  T382] RIP: 0033:0x7fb4b90531e7
[ 27.161929][ T382] 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)
[   27.163087][  T382] RSP: 002b:00007ffcbffeb248 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   27.163571][  T382] RAX: ffffffffffffffda RBX: 00007ffcbffeb970 RCX: 00007fb4b90531e7
[   27.164053][  T382] RDX: 0000000000000000 RSI: 00007ffcbffeb2b0 RDI: 0000000000000005
[   27.164529][  T382] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   27.165021][  T382] R10: 00000000258e2910 R11: 0000000000000246 R12: 0000000000000004
[   27.165500][  T382] R13: 00000000686e1580 R14: 0000000000499600 R15: 0000000000000000
| [   30.530906][  T414] ------------[ cut here ]------------
| [ 30.531228][ T414] WARNING: CPU: 0 PID: 414 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   30.531854][  T414] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [   30.533586][  T414] Tainted: [W]=WARN
[   30.533835][  T414] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 30.534223][ T414] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 30.534537][ T414] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   30.535654][  T414] RSP: 0018:ffffc90000c2eef0 EFLAGS: 00010246
[   30.536059][  T414] RAX: 0000000000000000 RBX: ffff88800bb82000 RCX: 0000000000000001
[   30.536521][  T414] RDX: 0000000000000000 RSI: ffffffffb2c9b941 RDI: ffffffffb24555e0
[   30.537029][  T414] RBP: ffffc90000c2efe0 R08: 0000000000000000 R09: 0000000000000000
[   30.537498][  T414] R10: ffffc90000c2f010 R11: ffffffffb3179160 R12: 1ffff92000185de2
[   30.537995][  T414] R13: 00000000000005dc R14: ffffc90000c2f010 R15: ffff88800bb82f08
[   30.538458][  T414] FS:  00007fe20d076800(0000) GS:ffff88807a6b7000(0000) knlGS:0000000000000000
[   30.539012][  T414] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.539404][  T414] CR2: 00000000004e6898 CR3: 000000000c4f5002 CR4: 0000000000772ef0
[   30.539871][  T414] PKRU: 55555554
[   30.540103][  T414] Call Trace:
[   30.540332][  T414]  <TASK>
[ 30.540490][ T414] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 30.540822][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.541145][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.541460][ T414] netif_set_mtu (net/core/dev.c:9652) 
[ 30.541767][ T414] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 30.542096][ T414] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 30.542333][ T414] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 30.542759][ T414] br_add_if (net/bridge/br_if.c:697) bridge 
[ 30.543125][ T414] do_set_master (net/core/rtnetlink.c:2948) 
[ 30.543442][ T414] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 30.543754][ T414] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 30.544152][ T414] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 30.544456][ T414] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 30.544759][ T414] ? __kernel_text_address (kernel/extable.c:79) 
[ 30.545088][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.545401][ T414] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 30.545711][ T414] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 30.546095][ T414] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.546406][ T414] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.546710][ T414] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 30.547021][ T414] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 30.547327][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.547652][ T414] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 30.547965][ T414] ? __create_object (mm/kmemleak.c:771) 
[ 30.548278][ T414] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 30.548587][ T414] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 30.548911][ T414] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 30.549349][ T414] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 30.549663][ T414] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 30.549984][ T414] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.550287][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.550607][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.550921][ T414] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 30.551224][ T414] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.551534][ T414] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.551845][ T414] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 30.552150][ T414] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.552460][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.552769][ T414] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 30.553107][ T414] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.553412][ T414] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 30.553728][ T414] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 30.554037][ T414] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 30.554343][ T414] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 30.554655][ T414] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 30.554968][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.555282][ T414] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 30.555592][ T414] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 30.555904][ T414] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 30.556216][ T414] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 30.556529][ T414] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 30.556850][ T414] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 30.557245][ T414] ___sys_sendmsg (net/socket.c:2670) 
[ 30.557566][ T414] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 30.557883][ T414] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 30.558263][ T414] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 30.558575][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.558890][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.559202][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.559638][ T414] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 30.560180][ T414] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.560599][ T414] __sys_sendmsg (net/socket.c:2700) 
[ 30.561154][ T414] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 30.561851][ T414] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 30.562404][ T414] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.562973][ T414] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 30.563517][ T414] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   30.564233][  T414] RIP: 0033:0x7fe20d2431e7
[ 30.564826][ T414] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   30.566453][  T414] RSP: 002b:00007ffc8275f908 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   30.567255][  T414] RAX: ffffffffffffffda RBX: 00007ffc82760030 RCX: 00007fe20d2431e7
[   30.567742][  T414] RDX: 0000000000000000 RSI: 00007ffc8275f970 RDI: 0000000000000005
[   30.568246][  T414] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   30.568705][  T414] R10: 0000000009872910 R11: 0000000000000246 R12: 0000000000000004
[   30.569192][  T414] R13: 00000000686e1584 R14: 0000000000499600 R15: 0000000000000000
| [   31.294426][  T420] ------------[ cut here ]------------
| [ 31.294732][ T420] WARNING: CPU: 0 PID: 420 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   31.295338][  T420] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [   31.296524][  T420] Tainted: [W]=WARN
[   31.296754][  T420] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 31.298006][ T420] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 31.298328][ T420] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   31.299422][  T420] RSP: 0018:ffffc90000c8eef0 EFLAGS: 00010246
[   31.299826][  T420] RAX: 0000000000000000 RBX: ffff88800bb82000 RCX: 0000000000000001
[   31.300287][  T420] RDX: 0000000000000000 RSI: ffffffffb2c9b941 RDI: ffffffffb24555e0
[   31.300737][  T420] RBP: ffffc90000c8efe0 R08: 0000000000000000 R09: 0000000000000000
[   31.301201][  T420] R10: ffffc90000c8f010 R11: ffffffffb3179160 R12: 1ffff92000191de2
[   31.301658][  T420] R13: 00000000000005dc R14: ffffc90000c8f010 R15: ffff88800bb82f08
[   31.302117][  T420] FS:  00007f6ab6d3c800(0000) GS:ffff88807a6b7000(0000) knlGS:0000000000000000
[   31.302648][  T420] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.303036][  T420] CR2: 00000000004e5768 CR3: 00000000091f8004 CR4: 0000000000772ef0
[   31.303499][  T420] PKRU: 55555554
[   31.303734][  T420] Call Trace:
[   31.303979][  T420]  <TASK>
[ 31.304138][ T420] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 31.304446][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.304764][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.305077][ T420] netif_set_mtu (net/core/dev.c:9652) 
[ 31.305380][ T420] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 31.305705][ T420] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 31.305942][ T420] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 31.306364][ T420] br_add_if (net/bridge/br_if.c:697) bridge 
[ 31.306716][ T420] do_set_master (net/core/rtnetlink.c:2948) 
[ 31.307030][ T420] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 31.307337][ T420] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 31.307740][ T420] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 31.308071][ T420] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 31.308373][ T420] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.308680][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.308995][ T420] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 31.309299][ T420] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 31.309687][ T420] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.310004][ T420] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.310310][ T420] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 31.310614][ T420] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 31.310942][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.311244][ T420] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 31.311544][ T420] ? __create_object (mm/kmemleak.c:771) 
[ 31.311868][ T420] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 31.312174][ T420] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 31.312477][ T420] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 31.312873][ T420] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 31.313184][ T420] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 31.313489][ T420] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.313808][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.314117][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.314420][ T420] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 31.314719][ T420] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.315039][ T420] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.315340][ T420] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 31.315643][ T420] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.315966][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.316283][ T420] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 31.316587][ T420] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.316896][ T420] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 31.317211][ T420] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 31.317519][ T420] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 31.317843][ T420] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 31.318149][ T420] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 31.318450][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.318756][ T420] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.319072][ T420] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 31.319377][ T420] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 31.319692][ T420] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.320021][ T420] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 31.320329][ T420] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 31.320720][ T420] ___sys_sendmsg (net/socket.c:2670) 
[ 31.321030][ T420] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 31.321345][ T420] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 31.321721][ T420] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 31.322045][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.322352][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.322660][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.322969][ T420] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 31.323276][ T420] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.323585][ T420] __sys_sendmsg (net/socket.c:2700) 
[ 31.323907][ T420] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 31.324289][ T420] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 31.324605][ T420] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.324918][ T420] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.325224][ T420] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.325599][  T420] RIP: 0033:0x7f6ab6f091e7
[ 31.325919][ T420] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   31.327010][  T420] RSP: 002b:00007ffe2907a748 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.327473][  T420] RAX: ffffffffffffffda RBX: 00007ffe2907ae70 RCX: 00007f6ab6f091e7
[   31.327953][  T420] RDX: 0000000000000000 RSI: 00007ffe2907a7b0 RDI: 0000000000000005
[   31.328415][  T420] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.328878][  T420] R10: 000000003f9ac910 R11: 0000000000000246 R12: 0000000000000004
[   31.329330][  T420] R13: 00000000686e1585 R14: 0000000000499600 R15: 0000000000000000
| [   48.618703][  T537] ------------[ cut here ]------------
| [ 48.619068][ T537] WARNING: CPU: 2 PID: 537 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) 
| [   48.619692][  T537] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [   48.621200][  T537] Tainted: [W]=WARN
[   48.621583][  T537] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 48.622282][ T537] 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) 
[ 48.622670][ T537] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   48.623772][  T537] RSP: 0018:ffffc900010cef70 EFLAGS: 00010246
[   48.624178][  T537] RAX: 0000000000000000 RBX: ffff88800c662000 RCX: 0000000000000001
[   48.624644][  T537] RDX: 0000000000000000 RSI: ffffffffb2c9b941 RDI: ffffffffb24555e0
[   48.625117][  T537] RBP: ffffc900010cf058 R08: 0000000000000000 R09: 0000000000000000
[   48.625586][  T537] R10: ffffc900010cf088 R11: ffffffffaf000130 R12: 1ffff92000219df2
[   48.626069][  T537] R13: 00000000000005dc R14: ffffc900010cf088 R15: ffff88800c662f08
[   48.626543][  T537] FS:  00007f07d3428800(0000) GS:ffff88807a7b7000(0000) knlGS:0000000000000000
[   48.627094][  T537] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.627486][  T537] CR2: 00000000004e5760 CR3: 000000000b73b005 CR4: 0000000000772ef0
[   48.627984][  T537] PKRU: 55555554
[   48.628226][  T537] Call Trace:
[   48.628472][  T537]  <TASK>
[ 48.628639][ T537] ? __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) 
[ 48.629044][ T537] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 48.629409][ T537] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 48.629727][ T537] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 48.630061][ T537] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 48.630383][ T537] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 48.630698][ T537] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 48.631021][ T537] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 48.631342][ T537] ? ___sys_sendmsg (net/socket.c:2670) 
[ 48.631657][ T537] ? __sys_sendmsg (net/socket.c:2700) 
[ 48.631988][ T537] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 48.632307][ T537] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 48.632694][ T537] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 48.633047][ T537] netif_set_mtu (net/core/dev.c:9652) 
[ 48.633366][ T537] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 48.633699][ T537] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 48.633951][ T537] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 48.634396][ T537] br_del_if (net/bridge/br_if.c:743) bridge 
[ 48.634743][ T537] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 48.635069][ T537] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 48.635388][ T537] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 48.635709][ T537] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 48.636114][ T537] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 48.636430][ T537] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 48.636751][ T537] ? __kernel_text_address (kernel/extable.c:79) 
[ 48.637083][ T537] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 48.637401][ T537] ? __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) 
[ 48.637733][ T537] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 48.638132][ T537] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 48.638453][ T537] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 48.638765][ T537] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 48.639095][ T537] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 48.639409][ T537] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 48.639724][ T537] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 48.640046][ T537] ? __create_object (mm/kmemleak.c:771) 
[ 48.640365][ T537] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 48.640679][ T537] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 48.641006][ T537] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 48.641392][ T537] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 48.641717][ T537] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 48.642048][ T537] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 48.642367][ T537] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 48.642687][ T537] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 48.643016][ T537] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 48.643327][ T537] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 48.643645][ T537] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 48.643968][ T537] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 48.644291][ T537] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 48.644609][ T537] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 48.644940][ T537] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 48.645252][ T537] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 48.645566][ T537] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 48.645905][ T537] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 48.646226][ T537] ? 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) 
[ 48.646547][ T537] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 48.646876][ T537] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 48.647190][ T537] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 48.647510][ T537] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 48.647850][ T537] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 48.648166][ T537] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 48.648490][ T537] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 48.648828][ T537] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 48.649161][ T537] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 48.649580][ T537] ___sys_sendmsg (net/socket.c:2670) 
[ 48.649922][ T537] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 48.650259][ T537] ? __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) 
[ 48.650666][ T537] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 48.651003][ T537] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 48.651326][ T537] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 48.651644][ T537] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 48.651973][ T537] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 48.652286][ T537] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 48.652609][ T537] __sys_sendmsg (net/socket.c:2700) 
[ 48.652933][ T537] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 48.653323][ T537] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 48.653652][ T537] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 48.653984][ T537] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 48.654303][ T537] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   48.654692][  T537] RIP: 0033:0x7f07d35f51e7
[ 48.655029][ T537] 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)
[   48.656130][  T537] RSP: 002b:00007fff924d4938 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   48.656599][  T537] RAX: ffffffffffffffda RBX: 00007fff924d5060 RCX: 00007f07d35f51e7
[   48.657082][  T537] RDX: 0000000000000000 RSI: 00007fff924d49a0 RDI: 0000000000000005
[   48.657547][  T537] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   48.658041][  T537] R10: 00007f07d34f2ee8 R11: 0000000000000246 R12: 0000000000000003
[   48.658506][  T537] R13: 00000000686e1596 R14: 0000000000499600 R15: 0000000000000000
| [   49.189266][  T542] ------------[ cut here ]------------
| [ 49.189586][ T542] WARNING: CPU: 3 PID: 542 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) 
| [   49.190205][  T542] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [   49.191384][  T542] Tainted: [W]=WARN
[   49.191615][  T542] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 49.192012][ T542] 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) 
[ 49.192330][ T542] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   49.193415][  T542] RSP: 0018:ffffc9000110ef70 EFLAGS: 00010246
[   49.193820][  T542] RAX: 0000000000000000 RBX: ffff88800c662000 RCX: 0000000000000001
[   49.194282][  T542] RDX: 0000000000000000 RSI: ffffffffb2c9b941 RDI: ffffffffb24555e0
[   49.194738][  T542] RBP: ffffc9000110f058 R08: 0000000000000000 R09: 0000000000000000
[   49.195197][  T542] R10: ffffc9000110f088 R11: ffffffffb3179160 R12: 1ffff92000221df2
[   49.195650][  T542] R13: 00000000000005dc R14: ffffc9000110f088 R15: ffff88800c662f08
[   49.196264][  T542] FS:  00007efd08b22800(0000) GS:ffff88807a837000(0000) knlGS:0000000000000000
[   49.197106][  T542] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.197490][  T542] CR2: 00000000004e5ab0 CR3: 000000000bbe1003 CR4: 0000000000772ef0
[   49.198152][  T542] PKRU: 55555554
[   49.198387][  T542] Call Trace:
[   49.198617][  T542]  <TASK>
[ 49.198776][ T542] ? __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) 
[ 49.199230][ T542] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 49.199573][ T542] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 49.199891][ T542] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 49.200197][ T542] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 49.200502][ T542] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 49.200816][ T542] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 49.201124][ T542] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 49.201435][ T542] ? ___sys_sendmsg (net/socket.c:2670) 
[ 49.201738][ T542] ? __sys_sendmsg (net/socket.c:2700) 
[ 49.202049][ T542] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 49.202351][ T542] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 49.202726][ T542] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.203053][ T542] netif_set_mtu (net/core/dev.c:9652) 
[ 49.203365][ T542] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 49.203686][ T542] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 49.203929][ T542] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 49.204347][ T542] br_del_if (net/bridge/br_if.c:743) bridge 
[ 49.204684][ T542] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 49.204997][ T542] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 49.205305][ T542] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 49.205613][ T542] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 49.206028][ T542] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 49.206331][ T542] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 49.206633][ T542] ? __kernel_text_address (kernel/extable.c:79) 
[ 49.206951][ T542] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.207264][ T542] ? __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) 
[ 49.207578][ T542] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 49.207969][ T542] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 49.208281][ T542] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 49.208584][ T542] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 49.208897][ T542] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 49.209202][ T542] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.209509][ T542] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 49.209820][ T542] ? __create_object (mm/kmemleak.c:771) 
[ 49.210131][ T542] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 49.210439][ T542] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 49.210748][ T542] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 49.211140][ T542] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 49.211452][ T542] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 49.211758][ T542] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 49.212072][ T542] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.212382][ T542] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.212686][ T542] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 49.212997][ T542] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 49.213309][ T542] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 49.213611][ T542] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 49.213925][ T542] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 49.214232][ T542] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.214541][ T542] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 49.214855][ T542] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 49.215159][ T542] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 49.215475][ T542] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 49.215775][ T542] ? 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) 
[ 49.216091][ T542] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 49.216397][ T542] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 49.216699][ T542] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.217016][ T542] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 49.217323][ T542] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 49.217638][ T542] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 49.217961][ T542] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 49.218272][ T542] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 49.218573][ T542] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 49.218974][ T542] ___sys_sendmsg (net/socket.c:2670) 
[ 49.219277][ T542] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 49.219578][ T542] ? __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) 
[ 49.219970][ T542] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 49.220286][ T542] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.220592][ T542] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.220909][ T542] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.221211][ T542] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 49.221514][ T542] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 49.221834][ T542] __sys_sendmsg (net/socket.c:2700) 
[ 49.222136][ T542] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 49.222513][ T542] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 49.222840][ T542] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 49.223150][ T542] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 49.223454][ T542] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   49.223844][  T542] RIP: 0033:0x7efd08cef1e7
[ 49.224157][ T542] 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)
[   49.225259][  T542] RSP: 002b:00007ffe57df68b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   49.225717][  T542] RAX: ffffffffffffffda RBX: 00007ffe57df6fe0 RCX: 00007efd08cef1e7
[   49.226179][  T542] RDX: 0000000000000000 RSI: 00007ffe57df6920 RDI: 0000000000000005
[   49.226640][  T542] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   49.227106][  T542] R10: 00007efd08becee8 R11: 0000000000000246 R12: 0000000000000003
[   49.227566][  T542] R13: 00000000686e1596 R14: 0000000000499600 R15: 0000000000000000
| [   49.445378][  T544] ------------[ cut here ]------------
| [ 49.445721][ T544] WARNING: CPU: 2 PID: 544 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) 
| [   49.446345][  T544] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [   49.447563][  T544] Tainted: [W]=WARN
[   49.447821][  T544] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 49.448214][ T544] 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) 
[ 49.448547][ T544] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   49.449651][  T544] RSP: 0018:ffffc9000112ef70 EFLAGS: 00010246
[   49.450056][  T544] RAX: 0000000000000000 RBX: ffff88800c662000 RCX: 0000000000000001
[   49.450524][  T544] RDX: 0000000000000000 RSI: ffffffffb2c9b941 RDI: ffffffffb24555e0
[   49.451004][  T544] RBP: ffffc9000112f058 R08: 0000000000000000 R09: 0000000000000000
[   49.451479][  T544] R10: ffffc9000112f088 R11: ffffffffb3179160 R12: 1ffff92000225df2
[   49.451956][  T544] R13: 00000000000005dc R14: ffffc9000112f088 R15: ffff88800c662f08
[   49.452425][  T544] FS:  00007effeba60800(0000) GS:ffff88807a7b7000(0000) knlGS:0000000000000000
[   49.452981][  T544] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.453380][  T544] CR2: 00000000004e5aa8 CR3: 000000000fe1f001 CR4: 0000000000772ef0
[   49.453862][  T544] PKRU: 55555554
[   49.454105][  T544] Call Trace:
[   49.454350][  T544]  <TASK>
[ 49.454516][ T544] ? __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) 
[ 49.454926][ T544] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 49.455287][ T544] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 49.455603][ T544] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 49.455933][ T544] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 49.456249][ T544] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 49.456565][ T544] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 49.456886][ T544] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 49.457204][ T544] ? ___sys_sendmsg (net/socket.c:2670) 
[ 49.457522][ T544] ? __sys_sendmsg (net/socket.c:2700) 
[ 49.457859][ T544] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 49.458174][ T544] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 49.458568][ T544] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.458903][ T544] netif_set_mtu (net/core/dev.c:9652) 
[ 49.459222][ T544] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 49.459553][ T544] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 49.459808][ T544] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 49.460244][ T544] br_del_if (net/bridge/br_if.c:743) bridge 
[ 49.460596][ T544] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 49.460952][ T544] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 49.461287][ T544] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 49.461608][ T544] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 49.462026][ T544] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 49.462341][ T544] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 49.462657][ T544] ? __kernel_text_address (kernel/extable.c:79) 
[ 49.462985][ T544] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.463314][ T544] ? __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) 
[ 49.463629][ T544] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 49.464027][ T544] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 49.464348][ T544] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 49.464661][ T544] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 49.464983][ T544] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 49.465299][ T544] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.465620][ T544] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 49.465942][ T544] ? __create_object (mm/kmemleak.c:771) 
[ 49.466259][ T544] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 49.466577][ T544] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 49.466901][ T544] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 49.467290][ T544] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 49.467630][ T544] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 49.467962][ T544] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 49.468284][ T544] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.468606][ T544] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.468930][ T544] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 49.469243][ T544] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 49.469563][ T544] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 49.469888][ T544] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 49.470205][ T544] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 49.470523][ T544] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.470858][ T544] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 49.471176][ T544] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 49.471491][ T544] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 49.471827][ T544] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 49.472142][ T544] ? 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) 
[ 49.472457][ T544] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 49.472777][ T544] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 49.473104][ T544] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.473427][ T544] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 49.473746][ T544] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 49.474072][ T544] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 49.474395][ T544] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 49.474716][ T544] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 49.475040][ T544] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 49.475444][ T544] ___sys_sendmsg (net/socket.c:2670) 
[ 49.475764][ T544] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 49.476091][ T544] ? __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) 
[ 49.476480][ T544] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 49.476808][ T544] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.477129][ T544] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.477452][ T544] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.477798][ T544] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 49.478117][ T544] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 49.478439][ T544] __sys_sendmsg (net/socket.c:2700) 
[ 49.478754][ T544] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 49.479153][ T544] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 49.479482][ T544] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 49.479809][ T544] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 49.480132][ T544] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   49.480518][  T544] RIP: 0033:0x7effebc2d1e7
[ 49.480875][ T544] 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)
[   49.481969][  T544] RSP: 002b:00007fffc4107568 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   49.482441][  T544] RAX: ffffffffffffffda RBX: 00007fffc4107c90 RCX: 00007effebc2d1e7
[   49.482914][  T544] RDX: 0000000000000000 RSI: 00007fffc41075d0 RDI: 0000000000000005
[   49.483381][  T544] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   49.483852][  T544] R10: 00007effebb2aee8 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