device veth1_macvtap left promiscuous mode
device veth0_macvtap left promiscuous mode
device veth1_vlan left promiscuous mode
device veth0_vlan left promiscuous mode
BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 0 PID: 752 Comm: kworker/u4:6 Not tainted 5.6.0-syzkaller #0
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+0x188/0x20d lib/dump_stack.c:118
 add_chain_cache kernel/locking/lockdep.c:2840 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:2914 [inline]
 validate_chain kernel/locking/lockdep.c:2935 [inline]
 __lock_acquire.cold+0x263/0x288 kernel/locking/lockdep.c:3954
 lock_acquire+0x197/0x420 kernel/locking/lockdep.c:4484
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline]
 _raw_spin_lock_bh+0x2f/0x40 kernel/locking/spinlock.c:175
 spin_lock_bh include/linux/spinlock.h:343 [inline]
 netif_addr_lock_bh include/linux/netdevice.h:4172 [inline]
 __dev_mc_del+0x28/0xd0 net/core/dev_addr_lists.c:805
 ip_mc_filter_del net/ipv4/igmp.c:1155 [inline]
 __igmp_group_dropped+0x93b/0xc40 net/ipv4/igmp.c:1286
 igmp_group_dropped net/ipv4/igmp.c:1316 [inline]
 ip_mc_down+0xd5/0x370 net/ipv4/igmp.c:1724
 inetdev_event+0xb9d/0x15b0 net/ipv4/devinet.c:1579
 notifier_call_chain+0xc0/0x230 kernel/notifier.c:83
 call_netdevice_notifiers_info net/core/dev.c:1948 [inline]
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:1933
 call_netdevice_notifiers_extack net/core/dev.c:1960 [inline]
 call_netdevice_notifiers net/core/dev.c:1974 [inline]
 dev_close_many+0x2f5/0x620 net/core/dev.c:1549
 rollback_registered_many+0x3ad/0xe70 net/core/dev.c:8803
 unregister_netdevice_many.part.0+0x16/0x1e0 net/core/dev.c:9986
 unregister_netdevice_many net/core/dev.c:9985 [inline]
 default_device_exit_batch+0x311/0x3d0 net/core/dev.c:10469
 ops_exit_list.isra.0+0x103/0x150 net/core/net_namespace.c:189
 cleanup_net+0x511/0xa50 net/core/net_namespace.c:603
 process_one_work+0x94b/0x1690 kernel/workqueue.c:2266
 worker_thread+0x96/0xe20 kernel/workqueue.c:2412
 kthread+0x357/0x430 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
device hsr_slave_0 left promiscuous mode
device hsr_slave_1 left promiscuous mode
device team_slave_1 left promiscuous mode
team0 (unregistering): Port device team_slave_1 removed
device team_slave_0 left promiscuous mode
team0 (unregistering): Port device team_slave_0 removed
bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
bond0 (unregistering): Released all slaves