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:4916
WARNING: CPU: 1 PID: 8 at lib/debugobjects.c:329 debug_print_object+0x16a/0x210 lib/debugobjects.c:326
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted 4.19.0-rc3+ #1
kobject: 'team0' (00000000266d3d17): kobject_add_internal: parent: 'net', set: 'devices'
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014
kobject: 'team0' (00000000266d3d17): kobject_uevent_env
Workqueue: netns cleanup_net
kobject: 'team0' (00000000266d3d17): fill_kobj_path: path = '/devices/virtual/net/team0'
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x109/0x15a lib/dump_stack.c:113
 panic+0x1c6/0x37d kernel/panic.c:184
kobject: 'queues' (0000000072114499): kobject_add_internal: parent: 'team0', set: '<NULL>'
kobject: 'queues' (0000000072114499): kobject_uevent_env
kobject: 'queues' (0000000072114499): kobject_uevent_env: filter function caused the event to drop!
 __warn.cold.8+0x120/0x166 kernel/panic.c:536
kobject: 'rx-0' (000000002322b922): kobject_add_internal: parent: 'queues', set: 'queues'
 report_bug+0x1a4/0x200 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 do_error_trap+0x200/0x350 arch/x86/kernel/traps.c:296
kobject: 'rx-0' (000000002322b922): kobject_uevent_env
kobject: 'rx-0' (000000002322b922): fill_kobj_path: path = '/devices/virtual/net/team0/queues/rx-0'
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316
kobject: 'rx-1' (000000005f8d2429): kobject_add_internal: parent: 'queues', set: 'queues'
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:993
RIP: 0010:debug_print_object+0x16a/0x210 lib/debugobjects.c:326
kobject: 'rx-1' (000000005f8d2429): kobject_uevent_env
Code: fe 86 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 92 00 00 00 48 8b 14 dd 20 5d fe 86 4c 89 fe 48 c7 c7 c0 52 fe 86 e8 49 7d 49 fe <0f> 0b 83 05 39 9f c0 05 01 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f
RSP: 0018:ffff88002d7d7840 EFLAGS: 00010082
kobject: 'rx-1' (000000005f8d2429): fill_kobj_path: path = '/devices/virtual/net/team0/queues/rx-1'
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
kobject: 'rx-2' (00000000032b1963): kobject_add_internal: parent: 'queues', set: 'queues'
RDX: 0000000000000002 RSI: 0000000000000008 RDI: ffffffff89a4b620
RBP: ffff88002d7d7880 R08: ffffed000fd43ee3 R09: ffffed000fd43ee2
kobject: 'rx-2' (00000000032b1963): kobject_uevent_env
R10: ffffed000fd43ee2 R11: ffff88007ea1f717 R12: 0000000000000001
kobject: 'rx-2' (00000000032b1963): fill_kobj_path: path = '/devices/virtual/net/team0/queues/rx-2'
R13: ffffffff87f9e8e0 R14: ffffffff8152f290 R15: ffffffff86fe5940
 __debug_check_no_obj_freed lib/debugobjects.c:786 [inline]
 debug_check_no_obj_freed+0x264/0x472 lib/debugobjects.c:818
 kfree+0xbd/0x230 mm/slab.c:3812
kobject: 'rx-3' (00000000638dd5ef): kobject_add_internal: parent: 'queues', set: 'queues'
 kvfree+0x2c/0x30 mm/util.c:452
kobject: 'rx-3' (00000000638dd5ef): kobject_uevent_env
 netdev_freemem+0x47/0x60 net/core/dev.c:8841
 netdev_release+0x6c/0x90 net/core/net-sysfs.c:1640
kobject: 'rx-3' (00000000638dd5ef): fill_kobj_path: path = '/devices/virtual/net/team0/queues/rx-3'
 device_release+0x74/0x1d0 drivers/base/core.c:891
 kobject_cleanup lib/kobject.c:662 [inline]
 kobject_release lib/kobject.c:691 [inline]
 kref_put include/linux/kref.h:70 [inline]
 kobject_put.cold.9+0x22e/0x281 lib/kobject.c:708
kobject: 'rx-4' (000000003254067b): kobject_add_internal: parent: 'queues', set: 'queues'
 netdev_run_todo+0x4c4/0x6b0 net/core/dev.c:8746
kobject: 'rx-4' (000000003254067b): kobject_uevent_env
 rtnl_unlock+0x9/0x10 net/core/rtnetlink.c:117
 default_device_exit_batch+0x2ec/0x3d0 net/core/dev.c:9527
kobject: 'rx-4' (000000003254067b): fill_kobj_path: path = '/devices/virtual/net/team0/queues/rx-4'
kobject: 'rx-5' (0000000071bd918a): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'rx-5' (0000000071bd918a): kobject_uevent_env
 ops_exit_list.isra.7+0xd9/0x130 net/core/net_namespace.c:156
kobject: 'rx-5' (0000000071bd918a): fill_kobj_path: path = '/devices/virtual/net/team0/queues/rx-5'
 cleanup_net+0x363/0x840 net/core/net_namespace.c:551
kobject: 'rx-6' (000000006e7fffd7): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'rx-6' (000000006e7fffd7): kobject_uevent_env
kobject: 'rx-6' (000000006e7fffd7): fill_kobj_path: path = '/devices/virtual/net/team0/queues/rx-6'
 process_one_work+0x835/0x15c0 kernel/workqueue.c:2153
 worker_thread+0x85/0xb60 kernel/workqueue.c:2296
kobject: 'rx-7' (00000000ec013293): kobject_add_internal: parent: 'queues', set: 'queues'
 kthread+0x327/0x3f0 kernel/kthread.c:246
kobject: 'rx-7' (00000000ec013293): kobject_uevent_env
kobject: 'rx-7' (00000000ec013293): fill_kobj_path: path = '/devices/virtual/net/team0/queues/rx-7'
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
kobject: 'rx-8' (00000000f596b0be): kobject_add_internal: parent: 'queues', set: 'queues'

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