bond0 (unregistering): Released all slaves
IPVS: ftp: loaded support on port[0] = 21
------------[ cut here ]------------
ODEBUG: free active (active state 0) object type: timer_list hint: delayed_work_timer_fn+0x0/0x90 kernel/workqueue.c:4939
kobject: 'lo' (000000006a18daef): kobject_add_internal: parent: 'net', set: 'devices'
WARNING: CPU: 0 PID: 148 at lib/debugobjects.c:325 debug_print_object+0x16a/0x250 lib/debugobjects.c:325
kobject: 'lo' (000000006a18daef): kobject_uevent_env
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 148 Comm: kworker/u4:3 Not tainted 5.0.0+ #7
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: netns cleanup_net
kobject: 'lo' (000000006a18daef): fill_kobj_path: path = '/devices/virtual/net/lo'
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
kobject: 'queues' (000000007751a170): kobject_add_internal: parent: 'lo', set: '<NULL>'
 panic+0x2cb/0x65c kernel/panic.c:214
kobject: 'queues' (000000007751a170): kobject_uevent_env
 __warn.cold+0x20/0x45 kernel/panic.c:571
kobject: 'queues' (000000007751a170): kobject_uevent_env: filter function caused the event to drop!
 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
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:290
kobject: 'rx-0' (000000009bf87e41): kobject_add_internal: parent: 'queues', set: 'queues'
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973
RIP: 0010:debug_print_object+0x16a/0x250 lib/debugobjects.c:325
Code: dd c0 5c a2 87 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 b5 00 00 00 48 8b 14 dd c0 5c a2 87 48 c7 c7 60 52 a2 87 e8 a4 a6 17 fe <0f> 0b 83 05 61 74 31 06 01 48 83 c4 20 5b 41 5c 41 5d 41 5e 5d c3
kobject: 'rx-0' (000000009bf87e41): kobject_uevent_env
RSP: 0018:ffff8880a9aff838 EFLAGS: 00010086
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff815a93d6 RDI: ffffed101535fef9
RBP: ffff8880a9aff878 R08: ffff8880a99b0140 R09: ffffed1015d03ef9
R10: ffffed1015d03ef8 R11: ffff8880ae81f7c7 R12: 0000000000000001
kobject: 'rx-0' (000000009bf87e41): fill_kobj_path: path = '/devices/virtual/net/lo/queues/rx-0'
R13: ffffffff889adda0 R14: ffffffff815fc3b0 R15: ffff888092af63e0
kobject: 'tx-0' (00000000fcdf4c4b): kobject_add_internal: parent: 'queues', set: 'queues'
 __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
kobject: 'tx-0' (00000000fcdf4c4b): kobject_uevent_env
 kvfree+0x61/0x70 mm/util.c:445
 netdev_freemem+0x4c/0x60 net/core/dev.c:9076
 netdev_release+0x86/0xb0 net/core/net-sysfs.c:1635
kobject: 'tx-0' (00000000fcdf4c4b): fill_kobj_path: path = '/devices/virtual/net/lo/queues/tx-0'
 device_release+0x7d/0x210 drivers/base/core.c:919
 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+0x28f/0x2ec lib/kobject.c:708
 netdev_run_todo+0x5cc/0x7d0 net/core/dev.c:8981
kobject: 'tunl0' (0000000054b0f2ee): kobject_add_internal: parent: 'net', set: 'devices'
kobject: 'tunl0' (0000000054b0f2ee): kobject_uevent_env
kobject: 'tunl0' (0000000054b0f2ee): fill_kobj_path: path = '/devices/virtual/net/tunl0'
 rtnl_unlock+0xe/0x10 net/core/rtnetlink.c:116
 default_device_exit_batch+0x35a/0x410 net/core/dev.c:9762
kobject: 'queues' (000000005ceb3d02): kobject_add_internal: parent: 'tunl0', set: '<NULL>'
kobject: 'queues' (000000005ceb3d02): kobject_uevent_env
 ops_exit_list.isra.0+0x105/0x160 net/core/net_namespace.c:156
kobject: 'queues' (000000005ceb3d02): kobject_uevent_env: filter function caused the event to drop!
 cleanup_net+0x3fb/0x960 net/core/net_namespace.c:551
kobject: 'rx-0' (00000000e589e906): kobject_add_internal: parent: 'queues', set: 'queues'
 process_one_work+0x98e/0x1790 kernel/workqueue.c:2173
kobject: 'rx-0' (00000000e589e906): kobject_uevent_env
 worker_thread+0x98/0xe40 kernel/workqueue.c:2319
 kthread+0x357/0x430 kernel/kthread.c:246
kobject: 'rx-0' (00000000e589e906): fill_kobj_path: path = '/devices/virtual/net/tunl0/queues/rx-0'
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
kobject: 'tx-0' (00000000031497a7): kobject_add_internal: parent: 'queues', set: 'queues'

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