device hsr_slave_0 left promiscuous mode
team0 (unregistering): Port device team_slave_1 removed
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: 101 at lib/debugobjects.c:328 debug_print_object+0x16a/0x210 lib/debugobjects.c:325
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 101 Comm: kworker/u4:3 Not tainted 5.1.0+ #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+0x212/0x41d kernel/panic.c:214
 __warn.cold.8+0x1b/0x36 kernel/panic.c:566
 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:973
RIP: 0010:debug_print_object+0x16a/0x210 lib/debugobjects.c:325
Code: 20 87 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 92 00 00 00 48 8b 14 dd e0 21 20 87 4c 89 fe 48 c7 c7 80 17 20 87 e8 19 2b 3d fe <0f> 0b 83 05 49 e2 d4 05 01 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f
RSP: 0018:ffff8880a95e7840 EFLAGS: 00010082
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
RDX: 0000000000000004 RSI: 0000000000000008 RDI: ffffffff89cd6be0
RBP: ffff8880a95e7880 R08: ffffed1015d43ef9 R09: ffffed1015d43ef8
R10: ffffed1015d43ef8 R11: ffff8880aea1f7c7 R12: 0000000000000001
R13: ffffffff881a39c0 R14: ffffffff81580cc0 R15: ffffffff87201e00
 __debug_check_no_obj_freed lib/debugobjects.c:785 [inline]
 debug_check_no_obj_freed+0x264/0x472 lib/debugobjects.c:817
 kfree+0xbd/0x230 mm/slab.c:3821
 kvfree+0x2c/0x30 mm/util.c:459
 netdev_freemem+0x47/0x60 net/core/dev.c:9092
 netdev_release+0x6c/0x90 net/core/net-sysfs.c:1637
 device_release+0x74/0x1d0 drivers/base/core.c:1064
 kobject_cleanup lib/kobject.c:662 [inline]
 kobject_release lib/kobject.c:691 [inline]
 kref_put include/linux/kref.h:67 [inline]
 kobject_put.cold.9+0x22e/0x281 lib/kobject.c:708
 netdev_run_todo+0x4c4/0x6b0 net/core/dev.c:8997
 rtnl_unlock+0x9/0x10 net/core/rtnetlink.c:116
 default_device_exit_batch+0x2ec/0x3d0 net/core/dev.c:9778
 ops_exit_list.isra.5+0xd9/0x130 net/core/net_namespace.c:156
 cleanup_net+0x363/0x850 net/core/net_namespace.c:552
 process_one_work+0x835/0x16b0 kernel/workqueue.c:2269
 worker_thread+0x85/0xb60 kernel/workqueue.c:2415
 kthread+0x327/0x3f0 kernel/kthread.c:253
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352

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