bond0: Enslaving bond_slave_1 as an active interface with an up link
device bond_slave_1 entered promiscuous mode
bond0: Enslaving bond_slave_1 as an active interface with an up link
------------[ cut here ]------------
ODEBUG: free active (active state 0) object type: timer_list hint: xprt_init_autodisconnect+0x0/0x170 net/sunrpc/xprt.c:96
WARNING: CPU: 0 PID: 9 at lib/debugobjects.c:325 debug_print_object+0x16a/0x250 lib/debugobjects.c:325
kobject: 'bonding_slave' (00000000c71ce60b): kobject_cleanup, parent 000000002d5bd920
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.0.0-rc8+ #3
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
 panic+0x2cb/0x65c kernel/panic.c:214
kobject: 'loop5' (0000000059564adb): kobject_uevent_env
kobject: 'loop5' (0000000059564adb): fill_kobj_path: path = '/devices/virtual/block/loop5'
 __warn.cold+0x20/0x45 kernel/panic.c:571
 report_bug+0x263/0x2b0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271
kobject: 'bonding_slave' (00000000c71ce60b): does not have a release() function, it is broken and must be fixed. See Documentation/kobject.txt.
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:290
kobject: 'bonding_slave' (00000000c71ce60b): auto cleanup kobject_del
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973
RIP: 0010:debug_print_object+0x16a/0x250 lib/debugobjects.c:325
Code: dd 00 4f a2 87 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 b5 00 00 00 48 8b 14 dd 00 4f a2 87 48 c7 c7 a0 44 a2 87 e8 94 1d 18 fe <0f> 0b 83 05 c1 a0 31 06 01 48 83 c4 20 5b 41 5c 41 5d 41 5e 5d c3
RSP: 0018:ffff8880aa26fbb8 EFLAGS: 00010082
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
RDX: 0000000000000100 RSI: ffffffff815a9066 RDI: ffffed101544df69
RBP: ffff8880aa26fbf8 R08: ffff8880aa25c240 R09: ffffed1015d03ef9
R10: ffffed1015d03ef8 R11: ffff8880ae81f7c7 R12: 0000000000000001
R13: ffffffff889add20 R14: ffffffff815fc040 R15: ffff888096651208
 __debug_check_no_obj_freed lib/debugobjects.c:785 [inline]
 debug_check_no_obj_freed+0x29f/0x464 lib/debugobjects.c:817
 kfree+0xbd/0x230 mm/slab.c:3810
 __rcu_reclaim kernel/rcu/rcu.h:233 [inline]
 rcu_do_batch kernel/rcu/tree.c:2452 [inline]
 invoke_rcu_callbacks kernel/rcu/tree.c:2773 [inline]
 rcu_process_callbacks+0xa4b/0x1390 kernel/rcu/tree.c:2754
 __do_softirq+0x266/0x95a kernel/softirq.c:292
 run_ksoftirqd kernel/softirq.c:654 [inline]
 run_ksoftirqd+0x8e/0x110 kernel/softirq.c:646
 smpboot_thread_fn+0x6ab/0xa10 kernel/smpboot.c:164
 kthread+0x357/0x430 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352

======================================================