======================================
| [ 15.520056][ T321] #1: ffff888002152d58 (&bond->mode_lock){+...}-{3:3}, at: bond_3ad_unbind_slave (drivers/net/bonding/bond_3ad.c:2241) 
| [ 15.520426][ T321] #2: ffffffff86f5b5c0 (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) 
| [   15.520732][  T321]
| [   15.520732][  T321] stack backtrace:
[   15.520942][  T321] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.520945][  T321] Call Trace:
[   15.520947][  T321]  <TASK>
[ 15.520949][ T321] dump_stack_lvl (lib/dump_stack.c:123) 
[ 15.520956][ T321] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6848) 
[ 15.520968][ T321] 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) 
[ 15.520979][ T321] __dev_queue_xmit (net/core/dev.h:340 net/core/dev.c:4631) 
[ 15.520995][ T321] ? __pfx___dev_queue_xmit (net/core/dev.c:4538) 
[ 15.521001][ T321] ? __alloc_skb (net/core/skbuff.c:685) 
[ 15.521007][ T321] ? __pfx___alloc_skb (net/core/skbuff.c:642) 
[ 15.521010][ T321] ? bond_3ad_unbind_slave (drivers/net/bonding/bond_3ad.c:2241) 
[ 15.521019][ T321] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 15.521029][ T321] ? __netdev_alloc_skb (net/core/skbuff.c:733) 
[ 15.521037][ T321] ad_lacpdu_send (drivers/net/bonding/bond_3ad.c:929) 
[ 15.521046][ T321] bond_3ad_unbind_slave (drivers/net/bonding/bond_3ad.c:2262) 
[ 15.521057][ T321] ? __pfx_bond_3ad_unbind_slave (drivers/net/bonding/bond_3ad.c:2230) 
[ 15.521060][ T321] ? __pfx_wait_rcu_exp_gp (kernel/rcu/tree_exp.h:486) 
[ 15.521078][ T321] __bond_release_one (drivers/net/bonding/bond_main.c:2542) 
[ 15.521089][ T321] ? __lock_acquire (kernel/locking/lockdep.c:5228) 
[ 15.521094][ T321] ? __pfx___bond_release_one (drivers/net/bonding/bond_main.c:2494) 
[ 15.521105][ T321] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 15.521113][ T321] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 15.521118][ T321] ? packet_notifier (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/packet/af_packet.c:4279) 
[ 15.521126][ T321] ? bond_netpoll_cleanup (drivers/net/bonding/bond_main.c:1480 (discriminator 2)) 
[ 15.521134][ T321] ? __pfx_bond_netpoll_cleanup (drivers/net/bonding/bond_main.c:1475) 
[ 15.521148][ T321] bond_uninit (drivers/net/bonding/bond_main.c:6075 (discriminator 3)) 
[ 15.521153][ T321] ? __pfx_bond_uninit (drivers/net/bonding/bond_main.c:6067) 
[ 15.521159][ T321] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 15.521171][ T321] unregister_netdevice_many_notify (net/core/dev.c:11989) 
[ 15.521185][ T321] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11903) 
[ 15.521188][ T321] ? rtnl_dellink (net/core/rtnetlink.c:3557) 
[ 15.521190][ T321] ? sock_def_readable (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/sock.c:3531) 
[ 15.521195][ T321] ? __pfx___mutex_lock (kernel/locking/mutex.c:729) 
[ 15.521204][ T321] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 15.521207][ T321] ? unregister_netdevice_queue (net/core/dev.c:11875) 
[ 15.521213][ T321] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11874) 
[ 15.521217][ T321] ? __nla_validate_parse (./include/net/netlink.h:1271 (discriminator 1) lib/nlattr.c:622 (discriminator 1)) 
[ 15.521231][ T321] rtnl_dellink (net/core/rtnetlink.c:3523 net/core/rtnetlink.c:3563) 
[ 15.521239][ T321] ? __pfx_rtnl_dellink (net/core/rtnetlink.c:3529) 
[ 15.521305][ T321] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 15.521313][ T321] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 15.521315][ T321] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6952) 
[ 15.521319][ T321] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 15.521323][ T321] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 15.521335][ T321] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6952) 
[ 15.521340][ T321] ? __pfx_rtnl_dellink (net/core/rtnetlink.c:3529) 
[ 15.521344][ T321] rtnetlink_rcv_msg (net/core/rtnetlink.c:6954) 
[ 15.521351][ T321] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) 
[ 15.521355][ T321] ? 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) 
[ 15.521359][ T321] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 15.521369][ T321] ? __lock_acquire (kernel/locking/lockdep.c:5228) 
[ 15.521376][ T321] netlink_rcv_skb (net/netlink/af_netlink.c:2534) 
[ 15.521381][ T321] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6857) 
[ 15.521388][ T321] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2511) 
[ 15.521410][ T321] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 15.521416][ T321] ? 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) 
[ 15.521424][ T321] netlink_unicast (net/netlink/af_netlink.c:1313 net/netlink/af_netlink.c:1339) 
[ 15.521432][ T321] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1324) 
[ 15.521437][ T321] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 15.521448][ T321] netlink_sendmsg (net/netlink/af_netlink.c:1883) 
[ 15.521458][ T321] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1802) 
[ 15.521475][ T321] ____sys_sendmsg (net/socket.c:709 net/socket.c:724 net/socket.c:2563) 
[ 15.521482][ T321] ? __pfx_____sys_sendmsg (net/socket.c:2509) 
[ 15.521485][ T321] ? __pfx_copy_msghdr_from_user (net/socket.c:2489) 
[ 15.521504][ T321] ___sys_sendmsg (net/socket.c:2619) 
[ 15.521512][ T321] ? __pfx____sys_sendmsg (net/socket.c:2606) 
[ 15.521520][ T321] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 15.521525][ T321] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 15.521527][ T321] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 15.521531][ T321] ? __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) 
[ 15.521534][ T321] ? __x64_sys_close (fs/open.c:1583 fs/open.c:1565 fs/open.c:1565) 
[ 15.521537][ T321] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 15.521541][ T321] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 15.521546][ T321] ? __lock_acquire (kernel/locking/lockdep.c:5228) 
[ 15.521550][ T321] ? lock_downgrade (kernel/locking/lockdep.c:469 kernel/locking/lockdep.c:5755) 
[ 15.521558][ T321] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 15.521564][ T321] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 15.521571][ T321] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 15.521574][ T321] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2077 arch/x86/mm/physaddr.c:65) 
[ 15.521579][ T321] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 15.521582][ T321] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 15.521592][ T321] __sys_sendmsg (net/socket.c:2649) 
[ 15.521596][ T321] ? __pfx___sys_sendmsg (net/socket.c:2634) 
[ 15.521622][ T321] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 15.521628][ T321] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   15.521631][  T321] RIP: 0033:0x7f16bddfa9a7
[ 15.521636][ T321] 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)
[   15.521639][  T321] RSP: 002b:00007fffaf8c68d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   15.521643][  T321] RAX: ffffffffffffffda RBX: 00007fffaf8c7000 RCX: 00007f16bddfa9a7
[   15.521645][  T321] RDX: 0000000000000000 RSI: 00007fffaf8c6940 RDI: 0000000000000005
[   15.521647][  T321] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078
[   15.521648][  T321] R10: 00007f16bdcb8ef8 R11: 0000000000000246 R12: 0000000000000001


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