team0 (unregistering): Port device team_slave_0 removed
bond0 (unregistering): Releasing backup interface bond_slave_1
bond0 (unregistering): Releasing backup interface bond_slave_0
bond0 (unregistering): Released all slaves
------------[ cut here ]------------
ODEBUG: free active (active state 0) object type: timer_list hint: delayed_work_timer_fn+0x0/0x90 arch/x86/include/asm/paravirt.h:767
WARNING: CPU: 0 PID: 5103 at lib/debugobjects.c:328 debug_print_object+0x168/0x210 lib/debugobjects.c:325
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 5103 Comm: kworker/u4:3 Not tainted 5.2.0-rc6+ #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: netns cleanup_net
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x113/0x167 lib/dump_stack.c:113
 panic+0x212/0x4cb kernel/panic.c:219
 __warn.cold.8+0x1b/0x38 kernel/panic.c:576
 report_bug+0x1a4/0x200 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:179 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272
 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:291
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:986
RIP: 0010:debug_print_object+0x168/0x210 lib/debugobjects.c:325
Code: 41 87 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 92 00 00 00 48 8b 14 dd e0 7c 41 87 4c 89 fe 48 c7 c7 80 72 41 87 e8 6b c6 3c fe <0f> 0b 83 05 1b 73 f6 05 01 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f
RSP: 0018:ffff8880998ff848 EFLAGS: 00010086
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
RDX: 0000000000000004 RSI: 0000000000000008 RDI: ffffffff89d63d40
RBP: ffff8880998ff888 R08: ffffed1015d440f1 R09: ffffed1015d440f0
R10: ffffed1015d440f0 R11: ffff8880aea20787 R12: 0000000000000001
R13: ffffffff883a64e0 R14: ffffffff81581c60 R15: ffffffff87417900
 __debug_check_no_obj_freed lib/debugobjects.c:785 [inline]
 debug_check_no_obj_freed+0x264/0x472 lib/debugobjects.c:817
 kfree+0xbd/0x220 mm/slab.c:3754
 kvfree+0x2c/0x30 mm/util.c:460
 netdev_freemem+0x47/0x60 net/core/dev.c:9098
 netdev_release+0x6c/0x90 net/core/net-sysfs.c:1635
 device_release+0x6a/0x1c0 drivers/base/core.c:1064
 kobject_cleanup lib/kobject.c:691 [inline]
 kobject_release lib/kobject.c:720 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put.cold.8+0x229/0x27c lib/kobject.c:737
 netdev_run_todo+0x459/0x6a0 net/core/dev.c:9003
 rtnl_unlock+0x9/0x10 net/core/rtnetlink.c:112
 default_device_exit_batch+0x2e9/0x3d0 net/core/dev.c:9784
 ops_exit_list.isra.5+0xd3/0x120 net/core/net_namespace.c:157
 cleanup_net+0x363/0x850 net/core/net_namespace.c:553
 process_one_work+0x830/0x16a0 kernel/workqueue.c:2269
 worker_thread+0x85/0xb60 kernel/workqueue.c:2415
 kthread+0x324/0x3e0 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352

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