BUG: MAX_STACK_TRACE_ENTRIES too low!
turning off the locking correctness validator.
CPU: 1 PID: 7680 Comm: kworker/u4:6 Not tainted 5.1.0-rc2+ #37
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+0x172/0x1f0 lib/dump_stack.c:113
 save_trace kernel/locking/lockdep.c:467 [inline]
 save_trace.cold+0x14/0x19 kernel/locking/lockdep.c:437
 mark_lock+0x2fb/0x1380 kernel/locking/lockdep.c:3410
 __lock_acquire+0x548/0x3fb0 kernel/locking/lockdep.c:3657
 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:4211
 flush_workqueue+0x126/0x14c0 kernel/workqueue.c:2774
 drain_workqueue+0x1b4/0x470 kernel/workqueue.c:2939
 destroy_workqueue+0x21/0x700 kernel/workqueue.c:4320
 tipc_topsrv_work_stop net/tipc/topsrv.c:633 [inline]
 tipc_topsrv_stop+0x40a/0x5e6 net/tipc/topsrv.c:691
 tipc_exit_net+0x16/0x40 net/tipc/core.c:100
 ops_exit_list.isra.0+0xb0/0x160 net/core/net_namespace.c:153
 cleanup_net+0x3fb/0x960 net/core/net_namespace.c:551
 process_one_work+0x98e/0x1790 kernel/workqueue.c:2269
 worker_thread+0x98/0xe40 kernel/workqueue.c:2415
 kthread+0x357/0x430 kernel/kthread.c:253
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
kobject: 'rx-0' (0000000067c6afa9): kobject_cleanup, parent 000000008b192545
kobject: 'rx-0' (0000000067c6afa9): auto cleanup 'remove' event
kobject: 'rx-0' (0000000067c6afa9): kobject_uevent_env
kobject: 'rx-0' (0000000067c6afa9): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (0000000067c6afa9): auto cleanup kobject_del
kobject: 'rx-0' (0000000067c6afa9): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (000000007db4da4b): kobject_cleanup, parent 000000008b192545
kobject: 'tx-0' (000000007db4da4b): auto cleanup 'remove' event
kobject: 'tx-0' (000000007db4da4b): kobject_uevent_env
kobject: 'tx-0' (000000007db4da4b): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (000000007db4da4b): auto cleanup kobject_del
kobject: 'tx-0' (000000007db4da4b): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (000000008b192545): kobject_cleanup, parent           (null)
kobject: 'queues' (000000008b192545): calling ktype release
kobject: 'queues' (000000008b192545): kset_release
kobject: 'queues': free name
kobject: 'ip6gre0' (0000000033e6372f): kobject_uevent_env
kobject: 'ip6gre0' (0000000033e6372f): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (00000000a59f7db3): kobject_cleanup, parent 000000002311c172
kobject: 'rx-0' (00000000a59f7db3): auto cleanup 'remove' event
kobject: 'rx-0' (00000000a59f7db3): kobject_uevent_env
kobject: 'rx-0' (00000000a59f7db3): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (00000000a59f7db3): auto cleanup kobject_del
kobject: 'rx-0' (00000000a59f7db3): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (00000000e47690db): kobject_cleanup, parent 000000002311c172
kobject: 'tx-0' (00000000e47690db): auto cleanup 'remove' event
kobject: 'tx-0' (00000000e47690db): kobject_uevent_env
kobject: 'tx-0' (00000000e47690db): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (00000000e47690db): auto cleanup kobject_del
kobject: 'tx-0' (00000000e47690db): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (000000002311c172): kobject_cleanup, parent           (null)
kobject: 'queues' (000000002311c172): calling ktype release
kobject: 'queues' (000000002311c172): kset_release
kobject: 'queues': free name
kobject: 'ip6gre0' (0000000023864075): kobject_uevent_env
kobject: 'ip6gre0' (0000000023864075): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (00000000cfc7ab47): kobject_cleanup, parent 00000000e562e92a
kobject: 'rx-0' (00000000cfc7ab47): auto cleanup 'remove' event
kobject: 'rx-0' (00000000cfc7ab47): kobject_uevent_env
kobject: 'rx-0' (00000000cfc7ab47): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (00000000cfc7ab47): auto cleanup kobject_del
kobject: 'rx-0' (00000000cfc7ab47): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (000000004ecf5445): kobject_cleanup, parent 00000000e562e92a
kobject: 'tx-0' (000000004ecf5445): auto cleanup 'remove' event
kobject: 'tx-0' (000000004ecf5445): kobject_uevent_env
kobject: 'tx-0' (000000004ecf5445): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (000000004ecf5445): auto cleanup kobject_del
kobject: 'tx-0' (000000004ecf5445): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (00000000e562e92a): kobject_cleanup, parent           (null)
kobject: 'queues' (00000000e562e92a): calling ktype release
kobject: 'queues' (00000000e562e92a): kset_release
kobject: 'queues': free name
kobject: 'ip6gre0' (00000000ec5ef498): kobject_uevent_env
kobject: 'ip6gre0' (00000000ec5ef498): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (000000005e734e67): kobject_cleanup, parent 000000005065b5b7
kobject: 'rx-0' (000000005e734e67): auto cleanup 'remove' event
kobject: 'rx-0' (000000005e734e67): kobject_uevent_env
kobject: 'rx-0' (000000005e734e67): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (000000005e734e67): auto cleanup kobject_del
kobject: 'rx-0' (000000005e734e67): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (000000007553a736): kobject_cleanup, parent 000000005065b5b7
kobject: 'tx-0' (000000007553a736): auto cleanup 'remove' event
kobject: 'tx-0' (000000007553a736): kobject_uevent_env
kobject: 'tx-0' (000000007553a736): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (000000007553a736): auto cleanup kobject_del
kobject: 'tx-0' (000000007553a736): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (000000005065b5b7): kobject_cleanup, parent           (null)
kobject: 'queues' (000000005065b5b7): calling ktype release
kobject: 'queues' (000000005065b5b7): kset_release
kobject: 'queues': free name
kobject: 'ip6gre0' (00000000161aa50d): kobject_uevent_env
kobject: 'ip6gre0' (00000000161aa50d): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'ip6gre0' (0000000033e6372f): kobject_cleanup, parent           (null)
kobject: 'ip6gre0' (0000000033e6372f): auto cleanup 'remove' event
kobject: 'ip6gre0' (0000000033e6372f): kobject_uevent_env
kobject: 'ip6gre0' (0000000033e6372f): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'ip6gre0' (0000000033e6372f): calling ktype release
kobject: 'ip6gre0': free name