======================================
| [ 29.083311][ T393] #1: ffff88800b9d2d58 (&bond->mode_lock){+...}-{3:3}, at: bond_3ad_unbind_slave (drivers/net/bonding/bond_3ad.c:2241) 
| [ 29.083679][ T393] #2: ffffffffaf15b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:901 net/core/dev.c:4555) 
| [   29.083985][  T393]
| [   29.083985][  T393] stack backtrace:
[   29.084221][  T393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.084223][  T393] Call Trace:
[   29.084225][  T393]  <TASK>
[ 29.084227][ T393] dump_stack_lvl (lib/dump_stack.c:123) 
[ 29.084234][ T393] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6848) 
[ 29.084246][ T393] dev_hard_start_xmit (./include/net/net_namespace.h:418 ./include/linux/netdevice.h:2695 net/core/dev.c:2466 net/core/dev.c:3772 net/core/dev.c:3793) 
[ 29.084258][ T393] __dev_queue_xmit (net/core/dev.h:340 net/core/dev.c:4631) 
[ 29.084274][ T393] ? __pfx___dev_queue_xmit (net/core/dev.c:4538) 
[ 29.084280][ T393] ? __alloc_skb (net/core/skbuff.c:685) 
[ 29.084286][ T393] ? __pfx___alloc_skb (net/core/skbuff.c:642) 
[ 29.084289][ T393] ? bond_3ad_unbind_slave (drivers/net/bonding/bond_3ad.c:2241) 
[ 29.084298][ T393] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 29.084307][ T393] ? __netdev_alloc_skb (net/core/skbuff.c:733) 
[ 29.084316][ T393] ad_lacpdu_send (drivers/net/bonding/bond_3ad.c:929) 
[ 29.084324][ T393] bond_3ad_unbind_slave (drivers/net/bonding/bond_3ad.c:2262) 
[ 29.084336][ T393] ? __pfx_bond_3ad_unbind_slave (drivers/net/bonding/bond_3ad.c:2230) 
[ 29.084339][ T393] ? __pfx_wait_rcu_exp_gp (kernel/rcu/tree_exp.h:486) 
[ 29.084357][ T393] __bond_release_one (drivers/net/bonding/bond_main.c:2537) 
[ 29.084367][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5228) 
[ 29.084372][ T393] ? __pfx___bond_release_one (drivers/net/bonding/bond_main.c:2489) 
[ 29.084384][ T393] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 29.084391][ T393] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 29.084394][ T393] ? packet_notifier (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/packet/af_packet.c:4279) 
[ 29.084401][ T393] ? bond_netpoll_cleanup (drivers/net/bonding/bond_main.c:1475 (discriminator 2)) 
[ 29.084409][ T393] ? __pfx_bond_netpoll_cleanup (drivers/net/bonding/bond_main.c:1470) 
[ 29.084423][ T393] bond_uninit (drivers/net/bonding/bond_main.c:6070 (discriminator 3)) 
[ 29.084428][ T393] ? __pfx_bond_uninit (drivers/net/bonding/bond_main.c:6062) 
[ 29.084434][ T393] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 29.084446][ T393] unregister_netdevice_many_notify (net/core/dev.c:11989) 
[ 29.084461][ T393] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11903) 
[ 29.084463][ T393] ? rtnl_dellink (net/core/rtnetlink.c:3557) 
[ 29.084465][ T393] ? sock_def_readable (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/sock.c:3531) 
[ 29.084471][ T393] ? __pfx___mutex_lock (kernel/locking/mutex.c:729) 
[ 29.084481][ T393] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 29.084484][ T393] ? unregister_netdevice_queue (net/core/dev.c:11875) 
[ 29.084490][ T393] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11874) 
[ 29.084494][ T393] ? __nla_validate_parse (./include/net/netlink.h:1271 (discriminator 1) lib/nlattr.c:622 (discriminator 1)) 
[ 29.084508][ T393] rtnl_dellink (net/core/rtnetlink.c:3523 net/core/rtnetlink.c:3563) 
[ 29.084516][ T393] ? __pfx_rtnl_dellink (net/core/rtnetlink.c:3529) 
[ 29.084582][ T393] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 29.084589][ T393] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 29.084591][ T393] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6952) 
[ 29.084595][ T393] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 29.084599][ T393] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 29.084611][ T393] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6952) 
[ 29.084616][ T393] ? __pfx_rtnl_dellink (net/core/rtnetlink.c:3529) 
[ 29.084620][ T393] rtnetlink_rcv_msg (net/core/rtnetlink.c:6954) 
[ 29.084628][ T393] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) 
[ 29.084632][ T393] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:230) 
[ 29.084635][ T393] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 29.084645][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5228) 
[ 29.084653][ T393] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 29.084658][ T393] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) 
[ 29.084665][ T393] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 29.084687][ T393] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 29.084693][ T393] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 29.084700][ T393] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 29.084709][ T393] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 29.084714][ T393] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 29.084725][ T393] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 29.084735][ T393] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 29.084752][ T393] ____sys_sendmsg (net/socket.c:709 net/socket.c:724 net/socket.c:2563) 
[ 29.084758][ T393] ? __pfx_____sys_sendmsg (net/socket.c:2509) 
[ 29.084761][ T393] ? __pfx_copy_msghdr_from_user (net/socket.c:2489) 
[ 29.084781][ T393] ___sys_sendmsg (net/socket.c:2619) 
[ 29.084788][ T393] ? __pfx____sys_sendmsg (net/socket.c:2606) 
[ 29.084797][ T393] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 29.084801][ T393] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 29.084803][ T393] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 29.084807][ T393] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:87 ./arch/x86/include/asm/irqflags.h:123 kernel/rcu/tree.c:3067) 
[ 29.084809][ T393] ? __x64_sys_close (fs/open.c:1583 fs/open.c:1565 fs/open.c:1565) 
[ 29.084813][ T393] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 29.084816][ T393] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 29.084821][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5228) 
[ 29.084826][ T393] ? lock_downgrade (kernel/locking/lockdep.c:469 kernel/locking/lockdep.c:5755) 
[ 29.084833][ T393] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 29.084840][ T393] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 29.084847][ T393] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 29.084849][ T393] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2077 arch/x86/mm/physaddr.c:65) 
[ 29.084854][ T393] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 29.084857][ T393] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 29.084867][ T393] __sys_sendmsg (net/socket.c:2649) 
[ 29.084872][ T393] ? __pfx___sys_sendmsg (net/socket.c:2634) 
[ 29.084897][ T393] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 29.084903][ T393] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   29.084906][  T393] RIP: 0033:0x7f8d839849a7
[ 29.084911][ T393] Code: 0a 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:	0a 00                	or     (%rax),%al
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   29.084913][  T393] RSP: 002b:00007fff82c820e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.084917][  T393] RAX: ffffffffffffffda RBX: 00007fff82c82810 RCX: 00007f8d839849a7
[   29.084919][  T393] RDX: 0000000000000000 RSI: 00007fff82c82150 RDI: 0000000000000005
[   29.084921][  T393] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078
[   29.084922][  T393] R10: 00007f8d83842ef8 R11: 0000000000000246 R12: 0000000000000001


Finger prints:
lockdep_rcu_suspicious:dev_hard_start_xmit:__dev_queue_xmit:ad_lacpdu_send:bond_3ad_unbind_slave