BUG: memory leak
unreferenced object 0xffff888115437100 (size 128):
  comm "kworker/u4:2", pid 44, jiffies 4294941143 (age 33.310s)
  hex dump (first 32 bytes):
    b8 82 ed 04 81 88 ff ff 22 01 00 00 00 00 ad de  ........".......
    01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffff81546f94>] kmalloc_trace+0x24/0x90 mm/slab_common.c:1057
    [<ffffffff83e139dc>] kmalloc include/linux/slab.h:559 [inline]
    [<ffffffff83e139dc>] __hw_addr_create net/core/dev_addr_lists.c:60 [inline]
    [<ffffffff83e139dc>] __hw_addr_add_ex+0x12c/0x390 net/core/dev_addr_lists.c:118
    [<ffffffff83e1566e>] __hw_addr_add net/core/dev_addr_lists.c:135 [inline]
    [<ffffffff83e1566e>] dev_addr_init+0x8e/0xe0 net/core/dev_addr_lists.c:558
    [<ffffffff83dfdcb1>] alloc_netdev_mqs+0x131/0x5f0 net/core/dev.c:10645
    [<ffffffff83180a83>] nsim_create+0x43/0x230 drivers/net/netdevsim/netdev.c:342
    [<ffffffff83181f54>] __nsim_dev_port_add+0x1b4/0x3d0 drivers/net/netdevsim/dev.c:1393
    [<ffffffff83182ddf>] nsim_dev_port_add_all drivers/net/netdevsim/dev.c:1449 [inline]
    [<ffffffff83182ddf>] nsim_dev_reload_create drivers/net/netdevsim/dev.c:1501 [inline]
    [<ffffffff83182ddf>] nsim_dev_reload_up+0x30f/0x3d0 drivers/net/netdevsim/dev.c:988
    [<ffffffff843b57fd>] devlink_reload+0x13d/0x250 net/devlink/dev.c:373
    [<ffffffff843b35d9>] devlink_pernet_pre_exit+0xc9/0x150 net/devlink/core.c:282
    [<ffffffff83ded6db>] ops_pre_exit_list net/core/net_namespace.c:160 [inline]
    [<ffffffff83ded6db>] cleanup_net+0x27b/0x510 net/core/net_namespace.c:602
    [<ffffffff812aff2a>] process_one_work+0x2ba/0x650 kernel/workqueue.c:2408
    [<ffffffff812b08ad>] worker_thread+0x5d/0x5c0 kernel/workqueue.c:2555
    [<ffffffff812baa73>] kthread+0x133/0x180 kernel/kthread.c:379
    [<ffffffff810029ff>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

BUG: memory leak
unreferenced object 0xffff888115182800 (size 1024):
  comm "kworker/u4:2", pid 44, jiffies 4294941143 (age 33.310s)
  hex dump (first 32 bytes):
    08 f8 16 15 81 88 ff ff 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 ea ff ff ff ff ff ff ff  ................
  backtrace:
    [<ffffffff8154767a>] __do_kmalloc_node mm/slab_common.c:965 [inline]
    [<ffffffff8154767a>] __kmalloc+0x4a/0x120 mm/slab_common.c:979
    [<ffffffff8176742f>] kmalloc include/linux/slab.h:563 [inline]
    [<ffffffff8176742f>] kzalloc include/linux/slab.h:680 [inline]
    [<ffffffff8176742f>] __register_sysctl_table+0x7f/0xac0 fs/proc/proc_sysctl.c:1376
    [<ffffffff83e16e03>] neigh_sysctl_register+0x143/0x230 net/core/neighbour.c:3845
    [<ffffffff841781e2>] devinet_sysctl_register+0x82/0x110 net/ipv4/devinet.c:2627
    [<ffffffff841783c8>] inetdev_init+0x158/0x320 net/ipv4/devinet.c:286
    [<ffffffff84179853>] inetdev_event+0x773/0x960 net/ipv4/devinet.c:1538
    [<ffffffff812c0f99>] notifier_call_chain+0x89/0x180 kernel/notifier.c:93
    [<ffffffff83e0413c>] call_netdevice_notifiers_info+0x7c/0xe0 net/core/dev.c:1935
    [<ffffffff83e131e8>] call_netdevice_notifiers_extack net/core/dev.c:1973 [inline]
    [<ffffffff83e131e8>] call_netdevice_notifiers net/core/dev.c:1987 [inline]
    [<ffffffff83e131e8>] register_netdevice+0x758/0x9b0 net/core/dev.c:10120
    [<ffffffff83180bf9>] nsim_init_netdevsim drivers/net/netdevsim/netdev.c:309 [inline]
    [<ffffffff83180bf9>] nsim_create+0x1b9/0x230 drivers/net/netdevsim/netdev.c:358
    [<ffffffff83181f54>] __nsim_dev_port_add+0x1b4/0x3d0 drivers/net/netdevsim/dev.c:1393
    [<ffffffff83182ddf>] nsim_dev_port_add_all drivers/net/netdevsim/dev.c:1449 [inline]
    [<ffffffff83182ddf>] nsim_dev_reload_create drivers/net/netdevsim/dev.c:1501 [inline]
    [<ffffffff83182ddf>] nsim_dev_reload_up+0x30f/0x3d0 drivers/net/netdevsim/dev.c:988
    [<ffffffff843b57fd>] devlink_reload+0x13d/0x250 net/devlink/dev.c:373
    [<ffffffff843b35d9>] devlink_pernet_pre_exit+0xc9/0x150 net/devlink/core.c:282
    [<ffffffff83ded6db>] ops_pre_exit_list net/core/net_namespace.c:160 [inline]
    [<ffffffff83ded6db>] cleanup_net+0x27b/0x510 net/core/net_namespace.c:602
    [<ffffffff812aff2a>] process_one_work+0x2ba/0x650 kernel/workqueue.c:2408

BUG: memory leak
unreferenced object 0xffff88811515e800 (size 2048):
  comm "kworker/u4:2", pid 44, jiffies 4294941143 (age 33.310s)
  hex dump (first 32 bytes):
    08 40 90 14 81 88 ff ff 00 00 00 00 00 00 00 00  .@..............
    00 00 00 00 00 00 00 00 ea ff ff ff ff ff ff ff  ................
  backtrace:
    [<ffffffff8154767a>] __do_kmalloc_node mm/slab_common.c:965 [inline]
    [<ffffffff8154767a>] __kmalloc+0x4a/0x120 mm/slab_common.c:979
    [<ffffffff8176742f>] kmalloc include/linux/slab.h:563 [inline]
    [<ffffffff8176742f>] kzalloc include/linux/slab.h:680 [inline]
    [<ffffffff8176742f>] __register_sysctl_table+0x7f/0xac0 fs/proc/proc_sysctl.c:1376
    [<ffffffff841780e0>] __devinet_sysctl_register+0xc0/0x140 net/ipv4/devinet.c:2590
    [<ffffffff84178234>] devinet_sysctl_register net/ipv4/devinet.c:2630 [inline]
    [<ffffffff84178234>] devinet_sysctl_register+0xd4/0x110 net/ipv4/devinet.c:2620
    [<ffffffff841783c8>] inetdev_init+0x158/0x320 net/ipv4/devinet.c:286
    [<ffffffff84179853>] inetdev_event+0x773/0x960 net/ipv4/devinet.c:1538
    [<ffffffff812c0f99>] notifier_call_chain+0x89/0x180 kernel/notifier.c:93
    [<ffffffff83e0413c>] call_netdevice_notifiers_info+0x7c/0xe0 net/core/dev.c:1935
    [<ffffffff83e131e8>] call_netdevice_notifiers_extack net/core/dev.c:1973 [inline]
    [<ffffffff83e131e8>] call_netdevice_notifiers net/core/dev.c:1987 [inline]
    [<ffffffff83e131e8>] register_netdevice+0x758/0x9b0 net/core/dev.c:10120
    [<ffffffff83180bf9>] nsim_init_netdevsim drivers/net/netdevsim/netdev.c:309 [inline]
    [<ffffffff83180bf9>] nsim_create+0x1b9/0x230 drivers/net/netdevsim/netdev.c:358
    [<ffffffff83181f54>] __nsim_dev_port_add+0x1b4/0x3d0 drivers/net/netdevsim/dev.c:1393
    [<ffffffff83182ddf>] nsim_dev_port_add_all drivers/net/netdevsim/dev.c:1449 [inline]
    [<ffffffff83182ddf>] nsim_dev_reload_create drivers/net/netdevsim/dev.c:1501 [inline]
    [<ffffffff83182ddf>] nsim_dev_reload_up+0x30f/0x3d0 drivers/net/netdevsim/dev.c:988
    [<ffffffff843b57fd>] devlink_reload+0x13d/0x250 net/devlink/dev.c:373
    [<ffffffff843b35d9>] devlink_pernet_pre_exit+0xc9/0x150 net/devlink/core.c:282
    [<ffffffff83ded6db>] ops_pre_exit_list net/core/net_namespace.c:160 [inline]
    [<ffffffff83ded6db>] cleanup_net+0x27b/0x510 net/core/net_namespace.c:602
    [<ffffffff812aff2a>] process_one_work+0x2ba/0x650 kernel/workqueue.c:2408