netlink: 3290 bytes leftover after parsing attributes in process `syz-executor0'. ¹á6›Íaï~IyMá‡ì: renamed from nr0 ====================================================== WARNING: possible circular locking dependency detected 4.20.0+ #13 Not tainted ------------------------------------------------------ syz-executor3/9665 is trying to acquire lock: 00000000982b045d (&p->pi_lock){-.-.}, at: try_to_wake_up+0xb9/0x1480 kernel/sched/core.c:1965 but task is already holding lock: 000000003e09842c (&pgdat->kswapd_wait){....}, at: __wake_up_common_lock+0x19b/0x390 kernel/sched/wait.c:120 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #4 (&pgdat->kswapd_wait){....}: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:152 __wake_up_common_lock+0x19b/0x390 kernel/sched/wait.c:120 __wake_up+0xe/0x10 kernel/sched/wait.c:145 wakeup_kswapd+0x5ba/0x8f0 mm/vmscan.c:3982 steal_suitable_fallback+0x50d/0x7c0 mm/page_alloc.c:2217 __rmqueue_fallback mm/page_alloc.c:2502 [inline] __rmqueue mm/page_alloc.c:2528 [inline] rmqueue_bulk mm/page_alloc.c:2550 [inline] __rmqueue_pcplist mm/page_alloc.c:3021 [inline] rmqueue_pcplist mm/page_alloc.c:3050 [inline] rmqueue mm/page_alloc.c:3072 [inline] get_page_from_freelist+0x2f53/0x5190 mm/page_alloc.c:3491 __alloc_pages_nodemask+0x4fd/0xdc0 mm/page_alloc.c:4529 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2106 alloc_pages include/linux/gfp.h:509 [inline] __vmalloc_area_node mm/vmalloc.c:1690 [inline] __vmalloc_node_range+0x5cf/0x910 mm/vmalloc.c:1750 __vmalloc_node mm/vmalloc.c:1795 [inline] __vmalloc_node_flags_caller+0x71/0x90 mm/vmalloc.c:1817 kvmalloc_node+0xdc/0x100 mm/util.c:425 kvmalloc include/linux/mm.h:602 [inline] vmemdup_user+0x27/0xb0 mm/util.c:179 sctp_setsockopt_bindx+0x49/0x320 net/sctp/socket.c:1002 sctp_setsockopt net/sctp/socket.c:4374 [inline] sctp_setsockopt+0x2490/0x6f80 net/sctp/socket.c:4344 sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2991 __sys_setsockopt+0x1b0/0x3a0 net/socket.c:1902 __do_sys_setsockopt net/socket.c:1913 [inline] __se_sys_setsockopt net/socket.c:1910 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:1910 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #3 (&(&zone->lock)->rlock){..-.}: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:152 rmqueue mm/page_alloc.c:3082 [inline] get_page_from_freelist+0x13d0/0x5190 mm/page_alloc.c:3491 __alloc_pages_nodemask+0x4fd/0xdc0 mm/page_alloc.c:4529 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2106 alloc_pages include/linux/gfp.h:509 [inline] depot_save_stack+0x3da/0x460 lib/stackdepot.c:260 save_stack+0xa9/0xd0 mm/kasan/common.c:79 set_track mm/kasan/common.c:85 [inline] kasan_kmalloc mm/kasan/common.c:482 [inline] kasan_kmalloc+0xcf/0xe0 mm/kasan/common.c:455 kasan_slab_alloc+0xf/0x20 mm/kasan/common.c:397 slab_post_alloc_hook mm/slab.h:444 [inline] slab_alloc mm/slab.c:3379 [inline] kmem_cache_alloc+0x11a/0x710 mm/slab.c:3539 kmem_cache_zalloc include/linux/slab.h:730 [inline] fill_pool lib/debugobjects.c:134 [inline] __debug_object_init+0xb1d/0x12d0 lib/debugobjects.c:379 debug_object_init lib/debugobjects.c:431 [inline] debug_object_activate+0x348/0x550 lib/debugobjects.c:512 debug_timer_activate kernel/time/timer.c:708 [inline] debug_activate kernel/time/timer.c:763 [inline] __mod_timer kernel/time/timer.c:1040 [inline] mod_timer kernel/time/timer.c:1101 [inline] add_timer+0x4e6/0x1470 kernel/time/timer.c:1137 __queue_delayed_work+0x253/0x390 kernel/workqueue.c:1533 queue_delayed_work_on+0x19a/0x200 kernel/workqueue.c:1558 queue_delayed_work include/linux/workqueue.h:527 [inline] check_lifetime+0x57e/0xa40 net/ipv4/devinet.c:757 process_one_work+0xd0c/0x1ce0 kernel/workqueue.c:2153 worker_thread+0x143/0x14a0 kernel/workqueue.c:2296 kthread+0x357/0x430 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 -> #2 (&base->lock){-.-.}: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:152 lock_timer_base+0xb7/0x2a0 kernel/time/timer.c:937 __mod_timer kernel/time/timer.c:1009 [inline] mod_timer kernel/time/timer.c:1101 [inline] add_timer+0x884/0x1470 kernel/time/timer.c:1137 __queue_delayed_work+0x253/0x390 kernel/workqueue.c:1533 queue_delayed_work_on+0x19a/0x200 kernel/workqueue.c:1558 queue_delayed_work include/linux/workqueue.h:527 [inline] schedule_delayed_work include/linux/workqueue.h:628 [inline] psi_group_change kernel/sched/psi.c:485 [inline] psi_task_change+0x3ea/0x590 kernel/sched/psi.c:534 psi_enqueue kernel/sched/stats.h:82 [inline] enqueue_task kernel/sched/core.c:727 [inline] activate_task+0x1f8/0x470 kernel/sched/core.c:751 wake_up_new_task+0x50c/0xd30 kernel/sched/core.c:2423 _do_fork+0x2a5/0x1170 kernel/fork.c:2247 kernel_thread+0x34/0x40 kernel/fork.c:2281 rest_init+0x28/0x37b init/main.c:409 arch_call_rest_init+0xe/0x1b start_kernel+0x882/0x8bd init/main.c:741 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:470 x86_64_start_kernel+0x77/0x7b arch/x86/kernel/head64.c:451 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243 -> #1 (&rq->lock){-.-.}: __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 rq_lock kernel/sched/sched.h:1149 [inline] task_fork_fair+0xb5/0x7a0 kernel/sched/fair.c:10058 sched_fork+0x437/0xb90 kernel/sched/core.c:2359 copy_process+0x1ff6/0x8730 kernel/fork.c:1893 _do_fork+0x1a9/0x1170 kernel/fork.c:2222 kernel_thread+0x34/0x40 kernel/fork.c:2281 rest_init+0x28/0x37b init/main.c:409 arch_call_rest_init+0xe/0x1b start_kernel+0x882/0x8bd init/main.c:741 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:470 x86_64_start_kernel+0x77/0x7b arch/x86/kernel/head64.c:451 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243 -> #0 (&p->pi_lock){-.-.}: lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:152 try_to_wake_up+0xb9/0x1480 kernel/sched/core.c:1965 default_wake_function+0x30/0x50 kernel/sched/core.c:3710 autoremove_wake_function+0x79/0x360 kernel/sched/wait.c:375 __wake_up_common+0x1d3/0x7d0 kernel/sched/wait.c:92 __wake_up_common_lock+0x1c6/0x390 kernel/sched/wait.c:121 __wake_up+0xe/0x10 kernel/sched/wait.c:145 wakeup_kswapd+0x5ba/0x8f0 mm/vmscan.c:3982 steal_suitable_fallback+0x50d/0x7c0 mm/page_alloc.c:2217 __rmqueue_fallback mm/page_alloc.c:2502 [inline] __rmqueue mm/page_alloc.c:2528 [inline] rmqueue_bulk mm/page_alloc.c:2550 [inline] __rmqueue_pcplist mm/page_alloc.c:3021 [inline] rmqueue_pcplist mm/page_alloc.c:3050 [inline] rmqueue mm/page_alloc.c:3072 [inline] get_page_from_freelist+0x2f53/0x5190 mm/page_alloc.c:3491 __alloc_pages_nodemask+0x4fd/0xdc0 mm/page_alloc.c:4529 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2106 alloc_pages include/linux/gfp.h:509 [inline] __vmalloc_area_node mm/vmalloc.c:1690 [inline] __vmalloc_node_range+0x5cf/0x910 mm/vmalloc.c:1750 __vmalloc_node mm/vmalloc.c:1795 [inline] __vmalloc_node_flags_caller+0x71/0x90 mm/vmalloc.c:1817 kvmalloc_node+0xdc/0x100 mm/util.c:425 kvmalloc include/linux/mm.h:602 [inline] vmemdup_user+0x27/0xb0 mm/util.c:179 sctp_setsockopt_bindx+0x49/0x320 net/sctp/socket.c:1002 sctp_setsockopt net/sctp/socket.c:4374 [inline] sctp_setsockopt+0x2490/0x6f80 net/sctp/socket.c:4344 sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2991 __sys_setsockopt+0x1b0/0x3a0 net/socket.c:1902 __do_sys_setsockopt net/socket.c:1913 [inline] __se_sys_setsockopt net/socket.c:1910 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:1910 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe other info that might help us debug this: Chain exists of: &p->pi_lock --> &(&zone->lock)->rlock --> &pgdat->kswapd_wait Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&pgdat->kswapd_wait); lock(&(&zone->lock)->rlock); lock(&pgdat->kswapd_wait); lock(&p->pi_lock); *** DEADLOCK *** 3 locks held by syz-executor3/9665: #0: 0000000090fd645d (sk_lock-AF_INET){+.+.}, at: lock_sock include/net/sock.h:1506 [inline] #0: 0000000090fd645d (sk_lock-AF_INET){+.+.}, at: sctp_setsockopt net/sctp/socket.c:4363 [inline] #0: 0000000090fd645d (sk_lock-AF_INET){+.+.}, at: sctp_setsockopt+0x23e/0x6f80 net/sctp/socket.c:4344 #1: 00000000163ced4e (&(&zone->lock)->rlock){..-.}, at: spin_lock include/linux/spinlock.h:329 [inline] #1: 00000000163ced4e (&(&zone->lock)->rlock){..-.}, at: rmqueue_bulk mm/page_alloc.c:2548 [inline] #1: 00000000163ced4e (&(&zone->lock)->rlock){..-.}, at: __rmqueue_pcplist mm/page_alloc.c:3021 [inline] #1: 00000000163ced4e (&(&zone->lock)->rlock){..-.}, at: rmqueue_pcplist mm/page_alloc.c:3050 [inline] #1: 00000000163ced4e (&(&zone->lock)->rlock){..-.}, at: rmqueue mm/page_alloc.c:3072 [inline] #1: 00000000163ced4e (&(&zone->lock)->rlock){..-.}, at: get_page_from_freelist+0x1ab1/0x5190 mm/page_alloc.c:3491 #2: 000000003e09842c (&pgdat->kswapd_wait){....}, at: __wake_up_common_lock+0x19b/0x390 kernel/sched/wait.c:120 stack backtrace: CPU: 1 PID: 9665 Comm: syz-executor3 Not tainted 4.20.0+ #13 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1db/0x2d0 lib/dump_stack.c:113 print_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1224 check_prev_add kernel/locking/lockdep.c:1866 [inline] check_prevs_add kernel/locking/lockdep.c:1979 [inline] validate_chain kernel/locking/lockdep.c:2350 [inline] __lock_acquire+0x3014/0x4a30 kernel/locking/lockdep.c:3338 lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:152 try_to_wake_up+0xb9/0x1480 kernel/sched/core.c:1965 default_wake_function+0x30/0x50 kernel/sched/core.c:3710 autoremove_wake_function+0x79/0x360 kernel/sched/wait.c:375 __wake_up_common+0x1d3/0x7d0 kernel/sched/wait.c:92 __wake_up_common_lock+0x1c6/0x390 kernel/sched/wait.c:121 __wake_up+0xe/0x10 kernel/sched/wait.c:145 wakeup_kswapd+0x5ba/0x8f0 mm/vmscan.c:3982 steal_suitable_fallback+0x50d/0x7c0 mm/page_alloc.c:2217 __rmqueue_fallback mm/page_alloc.c:2502 [inline] __rmqueue mm/page_alloc.c:2528 [inline] rmqueue_bulk mm/page_alloc.c:2550 [inline] __rmqueue_pcplist mm/page_alloc.c:3021 [inline] rmqueue_pcplist mm/page_alloc.c:3050 [inline] rmqueue mm/page_alloc.c:3072 [inline] get_page_from_freelist+0x2f53/0x5190 mm/page_alloc.c:3491 __alloc_pages_nodemask+0x4fd/0xdc0 mm/page_alloc.c:4529 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2106 alloc_pages include/linux/gfp.h:509 [inline] __vmalloc_area_node mm/vmalloc.c:1690 [inline] __vmalloc_node_range+0x5cf/0x910 mm/vmalloc.c:1750 __vmalloc_node mm/vmalloc.c:1795 [inline] __vmalloc_node_flags_caller+0x71/0x90 mm/vmalloc.c:1817 kvmalloc_node+0xdc/0x100 mm/util.c:425 kvmalloc include/linux/mm.h:602 [inline] vmemdup_user+0x27/0xb0 mm/util.c:179 sctp_setsockopt_bindx+0x49/0x320 net/sctp/socket.c:1002 sctp_setsockopt net/sctp/socket.c:4374 [inline] sctp_setsockopt+0x2490/0x6f80 net/sctp/socket.c:4344 sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2991 __sys_setsockopt+0x1b0/0x3a0 net/socket.c:1902 __do_sys_setsockopt net/socket.c:1913 [inline] __se_sys_setsockopt net/socket.c:1910 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:1910 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457ec9 Code: 6d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fa54c07bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000457ec9 RDX: 0000000000000064 RSI: 0000000000000084 RDI: 0000000000000003 RBP: 000000000073bf00 R08: 000000005a82dacb R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa54c07c6d4 R13: 00000000004c5e70 R14: 00000000004daa50 R15: 00000000ffffffff kobject: 'loop3' (000000001c59fadb): kobject_uevent_env kobject: 'loop3' (000000001c59fadb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000ffc8aaa2): kobject_uevent_env kobject: 'loop4' (00000000ffc8aaa2): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000001c59fadb): kobject_uevent_env kobject: 'loop3' (000000001c59fadb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000ffc8aaa2): kobject_uevent_env kobject: 'loop4' (00000000ffc8aaa2): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000003891028d): kobject_uevent_env kobject: 'loop1' (000000003891028d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000f41e6fe6): kobject_uevent_env kobject: 'loop5' (00000000f41e6fe6): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000ffc8aaa2): kobject_uevent_env kobject: 'loop4' (00000000ffc8aaa2): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000001c59fadb): kobject_uevent_env kobject: 'loop3' (000000001c59fadb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000003891028d): kobject_uevent_env kobject: 'loop1' (000000003891028d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000079acdca): kobject_uevent_env kobject: 'loop0' (00000000079acdca): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000f41e6fe6): kobject_uevent_env kobject: 'loop5' (00000000f41e6fe6): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000ffc8aaa2): kobject_uevent_env kobject: 'loop4' (00000000ffc8aaa2): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000003891028d): kobject_uevent_env kobject: 'loop1' (000000003891028d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000001c59fadb): kobject_uevent_env kobject: 'loop3' (000000001c59fadb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000f41e6fe6): kobject_uevent_env kobject: 'loop5' (00000000f41e6fe6): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000cdbf806f): kobject_uevent_env kobject: 'loop2' (00000000cdbf806f): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (000000003891028d): kobject_uevent_env net_ratelimit: 2 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop1' (000000003891028d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000079acdca): kobject_uevent_env kobject: 'loop0' (00000000079acdca): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000f41e6fe6): kobject_uevent_env kobject: 'loop5' (00000000f41e6fe6): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000ffc8aaa2): kobject_uevent_env kobject: 'loop4' (00000000ffc8aaa2): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000003891028d): kobject_uevent_env kobject: 'loop1' (000000003891028d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000f41e6fe6): kobject_uevent_env kobject: 'loop5' (00000000f41e6fe6): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000001c59fadb): kobject_uevent_env protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop3' (000000001c59fadb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000003891028d): kobject_uevent_env kobject: 'loop1' (000000003891028d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000ffc8aaa2): kobject_uevent_env kobject: 'loop4' (00000000ffc8aaa2): fill_kobj_path: path = '/devices/virtual/block/loop4' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop0' (00000000079acdca): kobject_uevent_env kobject: 'loop0' (00000000079acdca): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000cdbf806f): kobject_uevent_env kobject: 'loop2' (00000000cdbf806f): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000ffc8aaa2): kobject_uevent_env kobject: 'loop4' (00000000ffc8aaa2): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000003891028d): kobject_uevent_env kobject: 'loop1' (000000003891028d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000001c59fadb): kobject_uevent_env kobject: 'loop3' (000000001c59fadb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000f41e6fe6): kobject_uevent_env kobject: 'loop5' (00000000f41e6fe6): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (00000000f41e6fe6): kobject_uevent_env kobject: 'loop5' (00000000f41e6fe6): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000ffc8aaa2): kobject_uevent_env kobject: 'loop4' (00000000ffc8aaa2): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000079acdca): kobject_uevent_env kobject: 'loop0' (00000000079acdca): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (000000001c59fadb): kobject_uevent_env kobject: 'loop3' (000000001c59fadb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000cdbf806f): kobject_uevent_env kobject: 'loop2' (00000000cdbf806f): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (000000003891028d): kobject_uevent_env kobject: 'loop1' (000000003891028d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000f41e6fe6): kobject_uevent_env kobject: 'loop5' (00000000f41e6fe6): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000001c59fadb): kobject_uevent_env protocol 88fb is buggy, dev hsr_slave_0 kobject: 'loop3' (000000001c59fadb): fill_kobj_path: path = '/devices/virtual/block/loop3' protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop1' (000000003891028d): kobject_uevent_env kobject: 'loop1' (000000003891028d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000f41e6fe6): kobject_uevent_env kobject: 'loop5' (00000000f41e6fe6): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000ffc8aaa2): kobject_uevent_env kobject: 'loop4' (00000000ffc8aaa2): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000001c59fadb): kobject_uevent_env kobject: 'loop3' (000000001c59fadb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000003891028d): kobject_uevent_env kobject: 'loop1' (000000003891028d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000cdbf806f): kobject_uevent_env kobject: 'loop2' (00000000cdbf806f): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000ffc8aaa2): kobject_uevent_env kobject: 'loop4' (00000000ffc8aaa2): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000079acdca): kobject_uevent_env kobject: 'loop0' (00000000079acdca): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (000000003891028d): kobject_uevent_env kobject: 'loop1' (000000003891028d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000f41e6fe6): kobject_uevent_env kobject: 'loop5' (00000000f41e6fe6): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000001c59fadb): kobject_uevent_env kobject: 'loop3' (000000001c59fadb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000003891028d): kobject_uevent_env kobject: 'loop1' (000000003891028d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000f41e6fe6): kobject_uevent_env kobject: 'loop5' (00000000f41e6fe6): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000003891028d): kobject_uevent_env kobject: 'loop1' (000000003891028d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000ffc8aaa2): kobject_uevent_env kobject: 'loop4' (00000000ffc8aaa2): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000f41e6fe6): kobject_uevent_env kobject: 'loop5' (00000000f41e6fe6): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000079acdca): kobject_uevent_env kobject: 'loop0' (00000000079acdca): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000cdbf806f): kobject_uevent_env kobject: 'loop2' (00000000cdbf806f): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000f41e6fe6): kobject_uevent_env kobject: 'loop5' (00000000f41e6fe6): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000001c59fadb): kobject_uevent_env kobject: 'loop3' (000000001c59fadb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000003891028d): kobject_uevent_env kobject: 'loop1' (000000003891028d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (000000003891028d): kobject_uevent_env kobject: 'loop1' (000000003891028d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000ffc8aaa2): kobject_uevent_env kobject: 'loop4' (00000000ffc8aaa2): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000f41e6fe6): kobject_uevent_env kobject: 'loop5' (00000000f41e6fe6): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000079acdca): kobject_uevent_env kobject: 'loop0' (00000000079acdca): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (000000001c59fadb): kobject_uevent_env kobject: 'loop3' (000000001c59fadb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000cdbf806f): kobject_uevent_env kobject: 'loop2' (00000000cdbf806f): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000001c59fadb): kobject_uevent_env kobject: 'loop3' (000000001c59fadb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000003891028d): kobject_uevent_env kobject: 'loop1' (000000003891028d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'rx-0' (000000007e1fcbcc): kobject_cleanup, parent 00000000edafacc8 kobject: 'loop5' (00000000f41e6fe6): kobject_uevent_env kobject: 'loop5' (00000000f41e6fe6): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (000000007e1fcbcc): auto cleanup 'remove' event kobject: 'loop5' (00000000f41e6fe6): kobject_uevent_env kobject: 'rx-0' (000000007e1fcbcc): kobject_uevent_env kobject: 'loop5' (00000000f41e6fe6): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000ffc8aaa2): kobject_uevent_env kobject: 'rx-0' (000000007e1fcbcc): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop4' (00000000ffc8aaa2): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (000000007e1fcbcc): auto cleanup kobject_del kobject: 'loop3' (000000001c59fadb): kobject_uevent_env kobject: 'rx-0' (000000007e1fcbcc): calling ktype release kobject: 'loop3' (000000001c59fadb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0': free name kobject: 'tx-0' (000000005e73251b): kobject_cleanup, parent 00000000edafacc8 kobject: 'loop0' (00000000079acdca): kobject_uevent_env kobject: 'tx-0' (000000005e73251b): auto cleanup 'remove' event kobject: 'loop0' (00000000079acdca): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'tx-0' (000000005e73251b): kobject_uevent_env kobject: 'loop1' (000000003891028d): kobject_uevent_env kobject: 'tx-0' (000000005e73251b): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop1' (000000003891028d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'tx-0' (000000005e73251b): auto cleanup kobject_del kobject: 'loop5' (00000000f41e6fe6): kobject_uevent_env kobject: 'tx-0' (000000005e73251b): calling ktype release kobject: 'loop5' (00000000f41e6fe6): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tx-0': free name kobject: 'queues' (00000000edafacc8): kobject_cleanup, parent (null) kobject: 'queues' (00000000edafacc8): calling ktype release kobject: 'queues' (00000000edafacc8): kset_release kobject: 'queues': free name kobject: 'ip6gre0' (00000000460a6ee3): kobject_uevent_env kobject: 'ip6gre0' (00000000460a6ee3): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'batman_adv' (000000003efd18ba): kobject_uevent_env kobject: 'batman_adv' (000000003efd18ba): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (000000003efd18ba): kobject_cleanup, parent (null) kobject: 'batman_adv' (000000003efd18ba): calling ktype release kobject: (000000003efd18ba): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (000000007e320ee8): kobject_cleanup, parent 0000000038533326 kobject: 'rx-0' (000000007e320ee8): auto cleanup 'remove' event kobject: 'rx-0' (000000007e320ee8): kobject_uevent_env kobject: 'rx-0' (000000007e320ee8): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000007e320ee8): auto cleanup kobject_del kobject: 'rx-0' (000000007e320ee8): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (0000000094df95cc): kobject_cleanup, parent 0000000038533326 kobject: 'tx-0' (0000000094df95cc): auto cleanup 'remove' event kobject: 'tx-0' (0000000094df95cc): kobject_uevent_env kobject: 'tx-0' (0000000094df95cc): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (0000000094df95cc): auto cleanup kobject_del kobject: 'tx-0' (0000000094df95cc): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000038533326): kobject_cleanup, parent (null) kobject: 'queues' (0000000038533326): calling ktype release kobject: 'queues' (0000000038533326): kset_release kobject: 'queues': free name kobject: 'ip6gretap0' (000000005c35b920): kobject_uevent_env kobject: 'ip6gretap0' (000000005c35b920): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6gre0' (00000000460a6ee3): kobject_cleanup, parent (null) kobject: 'ip6gre0' (00000000460a6ee3): auto cleanup 'remove' event kobject: 'ip6gre0' (00000000460a6ee3): kobject_uevent_env kobject: 'ip6gre0' (00000000460a6ee3): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6gre0' (00000000460a6ee3): calling ktype release kobject: 'ip6gre0': free name kobject: 'ip6gretap0' (000000005c35b920): kobject_cleanup, parent (null) kobject: 'ip6gretap0' (000000005c35b920): auto cleanup 'remove' event kobject: 'ip6gretap0' (000000005c35b920): kobject_uevent_env kobject: 'ip6gretap0' (000000005c35b920): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6gretap0' (000000005c35b920): calling ktype release kobject: 'ip6gretap0': free name kobject: 'rx-0' (00000000384337e9): kobject_cleanup, parent 0000000076682454 kobject: 'rx-0' (00000000384337e9): auto cleanup 'remove' event kobject: 'rx-0' (00000000384337e9): kobject_uevent_env kobject: 'rx-0' (00000000384337e9): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000384337e9): auto cleanup kobject_del kobject: 'rx-0' (00000000384337e9): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000d497ebfc): kobject_cleanup, parent 0000000076682454 kobject: 'tx-0' (00000000d497ebfc): auto cleanup 'remove' event kobject: 'tx-0' (00000000d497ebfc): kobject_uevent_env kobject: 'tx-0' (00000000d497ebfc): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000d497ebfc): auto cleanup kobject_del kobject: 'tx-0' (00000000d497ebfc): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000076682454): kobject_cleanup, parent (null) kobject: 'queues' (0000000076682454): calling ktype release kobject: 'queues' (0000000076682454): kset_release kobject: 'queues': free name kobject: 'ip6tnl0' (00000000017b81a7): kobject_uevent_env kobject: 'ip6tnl0' (00000000017b81a7): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6tnl0' (00000000017b81a7): kobject_cleanup, parent (null) kobject: 'ip6tnl0' (00000000017b81a7): auto cleanup 'remove' event kobject: 'ip6tnl0' (00000000017b81a7): kobject_uevent_env kobject: 'ip6tnl0' (00000000017b81a7): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6tnl0' (00000000017b81a7): calling ktype release kobject: 'ip6tnl0': free name kobject: 'rx-0' (00000000cc0a891e): kobject_cleanup, parent 000000006b5f36c0 kobject: 'loop2' (00000000cdbf806f): kobject_uevent_env kobject: 'loop2' (00000000cdbf806f): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (00000000cc0a891e): auto cleanup 'remove' event kobject: 'rx-0' (00000000cc0a891e): kobject_uevent_env kobject: 'loop1' (000000003891028d): kobject_uevent_env kobject: 'loop1' (000000003891028d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'rx-0' (00000000cc0a891e): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000cc0a891e): auto cleanup kobject_del kobject: 'rx-0' (00000000cc0a891e): calling ktype release kobject: 'loop5' (00000000f41e6fe6): kobject_uevent_env kobject: 'loop5' (00000000f41e6fe6): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0': free name kobject: 'loop4' (00000000ffc8aaa2): kobject_uevent_env kobject: 'loop4' (00000000ffc8aaa2): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (0000000014e8bba9): kobject_cleanup, parent 000000006b5f36c0 kobject: 'loop4' (00000000ffc8aaa2): kobject_uevent_env kobject: 'loop4' (00000000ffc8aaa2): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (0000000014e8bba9): auto cleanup 'remove' event kobject: 'tx-0' (0000000014e8bba9): kobject_uevent_env kobject: 'loop1' (000000003891028d): kobject_uevent_env kobject: 'tx-0' (0000000014e8bba9): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop1' (000000003891028d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'tx-0' (0000000014e8bba9): auto cleanup kobject_del kobject: 'loop5' (00000000f41e6fe6): kobject_uevent_env kobject: 'tx-0' (0000000014e8bba9): calling ktype release kobject: 'tx-0': free name kobject: 'loop5' (00000000f41e6fe6): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'queues' (000000006b5f36c0): kobject_cleanup, parent (null) kobject: 'queues' (000000006b5f36c0): calling ktype release kobject: 'loop1' (000000003891028d): kobject_uevent_env kobject: 'queues' (000000006b5f36c0): kset_release kobject: 'loop1' (000000003891028d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'queues': free name kobject: 'loop0' (00000000079acdca): kobject_uevent_env kobject: 'loop0' (00000000079acdca): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'sit0' (00000000b1232e8e): kobject_uevent_env kobject: 'sit0' (00000000b1232e8e): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop3' (000000001c59fadb): kobject_uevent_env kobject: 'loop3' (000000001c59fadb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'sit0' (00000000b1232e8e): kobject_cleanup, parent (null) kobject: 'sit0' (00000000b1232e8e): auto cleanup 'remove' event kobject: 'sit0' (00000000b1232e8e): kobject_uevent_env kobject: 'sit0' (00000000b1232e8e): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'sit0' (00000000b1232e8e): calling ktype release kobject: 'sit0': free name kobject: 'rx-0' (000000006768ca64): kobject_cleanup, parent 00000000e0c47b6b kobject: 'rx-0' (000000006768ca64): auto cleanup 'remove' event kobject: 'rx-0' (000000006768ca64): kobject_uevent_env kobject: 'rx-0' (000000006768ca64): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000006768ca64): auto cleanup kobject_del kobject: 'rx-0' (000000006768ca64): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000c9e74cd2): kobject_cleanup, parent 00000000e0c47b6b kobject: 'tx-0' (00000000c9e74cd2): auto cleanup 'remove' event kobject: 'tx-0' (00000000c9e74cd2): kobject_uevent_env kobject: 'tx-0' (00000000c9e74cd2): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000c9e74cd2): auto cleanup kobject_del kobject: 'tx-0' (00000000c9e74cd2): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000e0c47b6b): kobject_cleanup, parent (null) kobject: 'queues' (00000000e0c47b6b): calling ktype release kobject: 'queues' (00000000e0c47b6b): kset_release kobject: 'queues': free name kobject: 'ip6_vti0' (000000000c402e1d): kobject_uevent_env kobject: 'ip6_vti0' (000000000c402e1d): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6_vti0' (000000000c402e1d): kobject_cleanup, parent (null) kobject: 'ip6_vti0' (000000000c402e1d): auto cleanup 'remove' event kobject: 'ip6_vti0' (000000000c402e1d): kobject_uevent_env kobject: 'ip6_vti0' (000000000c402e1d): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6_vti0' (000000000c402e1d): calling ktype release kobject: 'ip6_vti0': free name kobject: 'rx-0' (00000000a2275da5): kobject_cleanup, parent 000000004f5222eb kobject: 'rx-0' (00000000a2275da5): auto cleanup 'remove' event kobject: 'rx-0' (00000000a2275da5): kobject_uevent_env kobject: 'rx-0' (00000000a2275da5): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000a2275da5): auto cleanup kobject_del kobject: 'rx-0' (00000000a2275da5): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000002147a52d): kobject_cleanup, parent 000000004f5222eb kobject: 'tx-0' (000000002147a52d): auto cleanup 'remove' event kobject: 'tx-0' (000000002147a52d): kobject_uevent_env kobject: 'tx-0' (000000002147a52d): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (000000002147a52d): auto cleanup kobject_del kobject: 'tx-0' (000000002147a52d): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000004f5222eb): kobject_cleanup, parent (null) kobject: 'queues' (000000004f5222eb): calling ktype release kobject: 'queues' (000000004f5222eb): kset_release kobject: 'queues': free name kobject: 'ip_vti0' (0000000031f43573): kobject_uevent_env kobject: 'ip_vti0' (0000000031f43573): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip_vti0' (0000000031f43573): kobject_cleanup, parent (null) kobject: 'ip_vti0' (0000000031f43573): auto cleanup 'remove' event kobject: 'ip_vti0' (0000000031f43573): kobject_uevent_env kobject: 'ip_vti0' (0000000031f43573): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip_vti0' (0000000031f43573): calling ktype release kobject: 'ip_vti0': free name kobject: 'batman_adv' (00000000e8624565): kobject_uevent_env kobject: 'batman_adv' (00000000e8624565): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (00000000e8624565): kobject_cleanup, parent (null) kobject: 'batman_adv' (00000000e8624565): calling ktype release kobject: (00000000e8624565): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (00000000f0452398): kobject_cleanup, parent 0000000088eafb09 kobject: 'loop2' (00000000cdbf806f): kobject_uevent_env kobject: 'loop2' (00000000cdbf806f): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (00000000f0452398): auto cleanup 'remove' event kobject: 'rx-0' (00000000f0452398): kobject_uevent_env kobject: 'rx-0' (00000000f0452398): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000f0452398): auto cleanup kobject_del kobject: 'rx-0' (00000000f0452398): calling ktype release kobject: 'loop1' (000000003891028d): kobject_uevent_env kobject: 'rx-0': free name kobject: 'loop1' (000000003891028d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'tx-0' (0000000046a7dbd2): kobject_cleanup, parent 0000000088eafb09 kobject: 'tx-0' (0000000046a7dbd2): auto cleanup 'remove' event kobject: 'tx-0' (0000000046a7dbd2): kobject_uevent_env kobject: 'tx-0' (0000000046a7dbd2): kobject_uevent_env: uevent_suppress caused the event to drop! net_ratelimit: 20 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 kobject: 'tx-0' (0000000046a7dbd2): auto cleanup kobject_del protocol 88fb is buggy, dev hsr_slave_1 kobject: 'tx-0' (0000000046a7dbd2): calling ktype release kobject: 'tx-0': free name kobject: 'loop5' (00000000f41e6fe6): kobject_uevent_env kobject: 'queues' (0000000088eafb09): kobject_cleanup, parent (null) kobject: 'loop5' (00000000f41e6fe6): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'queues' (0000000088eafb09): calling ktype release kobject: 'queues' (0000000088eafb09): kset_release kobject: 'queues': free name kobject: 'erspan0' (0000000098ae3120): kobject_uevent_env kobject: 'loop4' (00000000ffc8aaa2): kobject_uevent_env kobject: 'loop4' (00000000ffc8aaa2): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'erspan0' (0000000098ae3120): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop0' (00000000079acdca): kobject_uevent_env kobject: 'loop0' (00000000079acdca): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (00000000ffc8aaa2): kobject_uevent_env kobject: 'loop4' (00000000ffc8aaa2): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000003891028d): kobject_uevent_env kobject: 'loop1' (000000003891028d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'erspan0' (0000000098ae3120): kobject_cleanup, parent (null) protocol 88fb is buggy, dev hsr_slave_0