======================================
| [ 10.980028][ T244] #0: ffffffffbd60ae48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink (net/core/rtnetlink.c:342 net/core/rtnetlink.c:4047) 
| [ 10.980427][ T244] #1: ffff888005c1ac90 (&dev->lock){+.+.}-{4:4}, at: do_setlink.constprop.0 (./include/linux/netdevice.h:2712 net/core/rtnetlink.c:3089) 
| [   10.980786][  T244]
| [   10.980786][  T244] stack backtrace:
[   10.981147][  T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.981150][  T244] Call Trace:
[   10.981152][  T244]  <TASK>
[ 10.981153][ T244] dump_stack_lvl (lib/dump_stack.c:123) 
[ 10.981160][ T244] print_circular_bug (kernel/locking/lockdep.c:2079) 
[ 10.981167][ T244] check_noncircular (kernel/locking/lockdep.c:2208) 
[ 10.981171][ T244] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2184) 
[ 10.981175][ T244] ? 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) 
[ 10.981179][ T244] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 10.981184][ T244] ? alloc_chain_hlocks (kernel/locking/lockdep.c:3530) 
[ 10.981188][ T244] check_prev_add (kernel/locking/lockdep.c:3164) 
[ 10.981194][ T244] validate_chain (kernel/locking/lockdep.c:3283 kernel/locking/lockdep.c:3906) 
[ 10.981199][ T244] ? __pfx_validate_chain (kernel/locking/lockdep.c:3862) 
[ 10.981203][ T244] ? 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) 
[ 10.981205][ T244] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 10.981210][ T244] __lock_acquire (kernel/locking/lockdep.c:5228) 
[ 10.981217][ T244] lock_acquire.part.0 (kernel/locking/lockdep.c:469 kernel/locking/lockdep.c:5853) 
[ 10.981219][ T244] ? team_set_mac_address (drivers/net/team/team_core.c:1817) 
[ 10.981225][ T244] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 10.981228][ T244] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 10.981233][ T244] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 10.981236][ T244] ? team_set_mac_address (drivers/net/team/team_core.c:1817) 
[ 10.981242][ T244] __mutex_lock (kernel/locking/mutex.c:587 kernel/locking/mutex.c:730) 
[ 10.981247][ T244] ? team_set_mac_address (drivers/net/team/team_core.c:1817) 
[ 10.981252][ T244] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 10.981256][ T244] ? packet_notifier (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/packet/af_packet.c:4279) 
[ 10.981262][ T244] ? team_set_mac_address (drivers/net/team/team_core.c:1817) 
[ 10.981267][ T244] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 10.981271][ T244] ? __pfx___mutex_lock (kernel/locking/mutex.c:729) 
[ 10.981280][ T244] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 10.981286][ T244] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 10.981293][ T244] ? team_set_mac_address (drivers/net/team/team_core.c:1817) 
[ 10.981298][ T244] team_set_mac_address (drivers/net/team/team_core.c:1817) 
[ 10.981305][ T244] netif_set_mac_address (net/core/dev.c:9420) 
[ 10.981311][ T244] ? __pfx___mutex_lock (kernel/locking/mutex.c:729) 
[ 10.981317][ T244] ? __pfx_netif_set_mac_address (net/core/dev.c:9406) 
[ 10.981326][ T244] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 21)) 
[ 10.981332][ T244] ? __kmalloc_noprof (mm/slub.c:4307) 
[ 10.981340][ T244] do_setlink.constprop.0 (./include/linux/netdevice.h:2738 net/core/rtnetlink.c:3091) 
[ 10.981349][ T244] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3012) 
[ 10.981357][ T244] ? lock_acquire.part.0 (kernel/locking/lockdep.c:469 kernel/locking/lockdep.c:5853) 
[ 10.981361][ T244] ? rtnl_newlink (net/core/rtnetlink.c:342 net/core/rtnetlink.c:4047) 
[ 10.981368][ T244] ? rtnl_newlink (./include/linux/slab.h:901 net/core/rtnetlink.c:3948) 
[ 10.981372][ T244] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6938) 
[ 10.981379][ T244] ? __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:104) 
[ 10.981387][ T244] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:79) 
[ 10.981394][ T244] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 10.981398][ T244] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 10.981404][ T244] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:595 kernel/locking/mutex.c:730) 
[ 10.981410][ T244] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 10.981415][ T244] ? rtnl_newlink (net/core/rtnetlink.c:342 net/core/rtnetlink.c:4047) 
[ 10.981421][ T244] ? __pfx___mutex_lock (kernel/locking/mutex.c:729) 
[ 10.981426][ T244] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 10.981434][ T244] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 10.981444][ T244] ? __rtnl_newlink (net/core/rtnetlink.c:3898) 
[ 10.981453][ T244] rtnl_newlink (net/core/rtnetlink.c:350 net/core/rtnetlink.c:4049) 
[ 10.981463][ T244] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3939) 
[ 10.981467][ T244] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 10.981475][ T244] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 10.981479][ T244] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 10.981488][ T244] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6936) 
[ 10.981494][ T244] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3939) 
[ 10.981500][ T244] rtnetlink_rcv_msg (net/core/rtnetlink.c:6938) 
[ 10.981507][ T244] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6841) 
[ 10.981513][ T244] ? 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) 
[ 10.981518][ T244] ? mark_lock (kernel/locking/lockdep.c:4729 (discriminator 3)) 
[ 10.981526][ T244] ? __lock_acquire (kernel/locking/lockdep.c:5228) 
[ 10.981534][ T244] netlink_rcv_skb (net/netlink/af_netlink.c:2544) 
[ 10.981541][ T244] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6841) 
[ 10.981548][ T244] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2521) 
[ 10.981563][ T244] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) 
[ 10.981569][ T244] ? 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) 
[ 10.981577][ T244] netlink_unicast (net/netlink/af_netlink.c:1323 net/netlink/af_netlink.c:1349) 
[ 10.981585][ T244] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1334) 
[ 10.981591][ T244] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 10.981600][ T244] netlink_sendmsg (net/netlink/af_netlink.c:1893) 
[ 10.981609][ T244] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1812) 
[ 10.981621][ T244] ____sys_sendmsg (net/socket.c:718 net/socket.c:733 net/socket.c:2573) 
[ 10.981629][ T244] ? __pfx_____sys_sendmsg (net/socket.c:2519) 
[ 10.981634][ T244] ? __pfx_copy_msghdr_from_user (net/socket.c:2499) 
[ 10.981647][ T244] ___sys_sendmsg (net/socket.c:2629) 
[ 10.981653][ T244] ? __pfx____sys_sendmsg (net/socket.c:2616) 
[ 10.981657][ T244] ? __lock_acquire (kernel/locking/lockdep.c:5228) 
[ 10.981665][ T244] ? ___sys_recvmsg (net/socket.c:2825) 
[ 10.981670][ T244] ? __pfx____sys_recvmsg (net/socket.c:2825) 
[ 10.981673][ T244] ? find_held_lock (kernel/locking/lockdep.c:5341) 
[ 10.981677][ T244] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 10.981679][ T244] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 10.981682][ T244] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 10.981685][ T244] ? __lock_release (kernel/locking/lockdep.c:5527) 
[ 10.981687][ T244] ? hrtimer_interrupt (kernel/time/hrtimer.c:1940) 
[ 10.981692][ T244] ? clockevents_program_event (kernel/time/clockevents.c:326) 
[ 10.981698][ T244] __sys_sendmsg (net/socket.c:2659) 
[ 10.981701][ T244] ? __pfx___sys_sendmsg (net/socket.c:2644) 
[ 10.981703][ T244] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 10.981711][ T244] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 10.981714][ T244] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   10.981718][  T244] RIP: 0033:0x7f776fbdc9a7
[ 10.981722][ T244] 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)
[   10.981725][  T244] RSP: 002b:00007ffd9f7efa08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   10.981729][  T244] RAX: ffffffffffffffda RBX: 0000000022de9730 RCX: 00007f776fbdc9a7
[   10.981732][  T244] RDX: 0000000000000000 RSI: 00007ffd9f7efa40 RDI: 0000000000000005
[   10.981733][  T244] RBP: 0000000022de9640 R08: 000000000000000a R09: 0000000000000077
[   10.981735][  T244] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000022df46d0


Finger prints:
print_circular_bug:check_noncircular:check_prev_add:validate_chain:__lock_acquire