BUG: memory leak
unreferenced object 0xffff88811bba1200 (size 128):
  comm "kworker/u4:0", pid 11, jiffies 4294943212 (age 38.850s)
  hex dump (first 32 bytes):
    98 02 d1 1b 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:
    [<ffffffff81574235>] kmalloc_trace+0x25/0x90 mm/slab_common.c:1114
    [<ffffffff83ee8f51>] kmalloc include/linux/slab.h:599 [inline]
    [<ffffffff83ee8f51>] __hw_addr_create net/core/dev_addr_lists.c:60 [inline]
    [<ffffffff83ee8f51>] __hw_addr_add_ex+0x211/0x3c0 net/core/dev_addr_lists.c:118
    [<ffffffff83ee9944>] __dev_mc_add+0x54/0x90 net/core/dev_addr_lists.c:867
    [<ffffffff843a0c2b>] igmp6_group_added+0x17b/0x1c0 net/ipv6/mcast.c:680
    [<ffffffff843a2129>] __ipv6_dev_mc_inc+0x379/0x5a0 net/ipv6/mcast.c:949
    [<ffffffff84359459>] ipv6_add_dev+0x559/0x8b0 net/ipv6/addrconf.c:466
    [<ffffffff84364669>] addrconf_notify+0x309/0xc80 net/ipv6/addrconf.c:3589
    [<ffffffff812dd62d>] notifier_call_chain+0x8d/0x180 kernel/notifier.c:93
    [<ffffffff83ed897d>] call_netdevice_notifiers_info+0x7d/0xe0 net/core/dev.c:1970
    [<ffffffff83ee865c>] call_netdevice_notifiers_extack net/core/dev.c:2008 [inline]
    [<ffffffff83ee865c>] call_netdevice_notifiers net/core/dev.c:2022 [inline]
    [<ffffffff83ee865c>] register_netdevice+0x72c/0x8c0 net/core/dev.c:10169
    [<ffffffff83230ee1>] nsim_init_netdevsim drivers/net/netdevsim/netdev.c:343 [inline]
    [<ffffffff83230ee1>] nsim_create+0x1d1/0x250 drivers/net/netdevsim/netdev.c:395
    [<ffffffff8323223a>] __nsim_dev_port_add+0x1ba/0x3d0 drivers/net/netdevsim/dev.c:1390
    [<ffffffff832330dd>] nsim_dev_port_add_all drivers/net/netdevsim/dev.c:1446 [inline]
    [<ffffffff832330dd>] nsim_dev_reload_create drivers/net/netdevsim/dev.c:1498 [inline]
    [<ffffffff832330dd>] nsim_dev_reload_up+0x32d/0x410 drivers/net/netdevsim/dev.c:985
    [<ffffffff8448c304>] devlink_reload+0x134/0x240 net/devlink/dev.c:400
    [<ffffffff84489eb2>] devlink_pernet_pre_exit+0xd2/0x150 net/devlink/core.c:288
    [<ffffffff83ec17dd>] ops_pre_exit_list net/core/net_namespace.c:160 [inline]
    [<ffffffff83ec17dd>] cleanup_net+0x28d/0x510 net/core/net_namespace.c:602

BUG: memory leak
unreferenced object 0xffff88811bba1080 (size 128):
  comm "kworker/u4:0", pid 11, jiffies 4294943213 (age 38.850s)
  hex dump (first 32 bytes):
    b8 c2 0c 09 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:
    [<ffffffff81574235>] kmalloc_trace+0x25/0x90 mm/slab_common.c:1114
    [<ffffffff83ee8f51>] kmalloc include/linux/slab.h:599 [inline]
    [<ffffffff83ee8f51>] __hw_addr_create net/core/dev_addr_lists.c:60 [inline]
    [<ffffffff83ee8f51>] __hw_addr_add_ex+0x211/0x3c0 net/core/dev_addr_lists.c:118
    [<ffffffff83eeabdd>] __hw_addr_add net/core/dev_addr_lists.c:135 [inline]
    [<ffffffff83eeabdd>] dev_addr_init+0x8d/0xe0 net/core/dev_addr_lists.c:558
    [<ffffffff83ed4442>] alloc_netdev_mqs+0x142/0x610 net/core/dev.c:10698
    [<ffffffff83230d54>] nsim_create+0x44/0x250 drivers/net/netdevsim/netdev.c:379
    [<ffffffff8323223a>] __nsim_dev_port_add+0x1ba/0x3d0 drivers/net/netdevsim/dev.c:1390
    [<ffffffff832330dd>] nsim_dev_port_add_all drivers/net/netdevsim/dev.c:1446 [inline]
    [<ffffffff832330dd>] nsim_dev_reload_create drivers/net/netdevsim/dev.c:1498 [inline]
    [<ffffffff832330dd>] nsim_dev_reload_up+0x32d/0x410 drivers/net/netdevsim/dev.c:985
    [<ffffffff8448c304>] devlink_reload+0x134/0x240 net/devlink/dev.c:400
    [<ffffffff84489eb2>] devlink_pernet_pre_exit+0xd2/0x150 net/devlink/core.c:288
    [<ffffffff83ec17dd>] ops_pre_exit_list net/core/net_namespace.c:160 [inline]
    [<ffffffff83ec17dd>] cleanup_net+0x28d/0x510 net/core/net_namespace.c:602
    [<ffffffff812c8d9d>] process_one_work+0x23d/0x530 kernel/workqueue.c:2630
    [<ffffffff812c99c7>] process_scheduled_works kernel/workqueue.c:2703 [inline]
    [<ffffffff812c99c7>] worker_thread+0x327/0x590 kernel/workqueue.c:2784
    [<ffffffff812d6d9b>] kthread+0x12b/0x170 kernel/kthread.c:388
    [<ffffffff81149f85>] ret_from_fork+0x45/0x50 arch/x86/kernel/process.c:147
    [<ffffffff81002be1>] ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304

BUG: memory leak
unreferenced object 0xffff88811b592400 (size 1024):
  comm "kworker/u4:0", pid 11, jiffies 4294943214 (age 38.840s)
  hex dump (first 32 bytes):
    08 78 8f 1b 81 88 ff ff 11 00 00 00 00 00 00 00  .x..............
    00 00 00 00 00 00 00 00 ea ff ff ff ff ff ff ff  ................
  backtrace:
    [<ffffffff815748db>] __do_kmalloc_node mm/slab_common.c:1022 [inline]
    [<ffffffff815748db>] __kmalloc+0x4b/0x150 mm/slab_common.c:1036
    [<ffffffff8179d8e1>] kmalloc include/linux/slab.h:603 [inline]
    [<ffffffff8179d8e1>] kzalloc include/linux/slab.h:720 [inline]
    [<ffffffff8179d8e1>] __register_sysctl_table+0x51/0xb70 fs/proc/proc_sysctl.c:1366
    [<ffffffff83eec201>] neigh_sysctl_register+0x161/0x230 net/core/neighbour.c:3847
    [<ffffffff8425e2f7>] devinet_sysctl_register+0x67/0xf0 net/ipv4/devinet.c:2644
    [<ffffffff8425e4db>] inetdev_init+0x15b/0x310 net/ipv4/devinet.c:286
    [<ffffffff8425fa8a>] inetdev_event+0x8fa/0xab0 net/ipv4/devinet.c:1555
    [<ffffffff812dd62d>] notifier_call_chain+0x8d/0x180 kernel/notifier.c:93
    [<ffffffff83ed897d>] call_netdevice_notifiers_info+0x7d/0xe0 net/core/dev.c:1970
    [<ffffffff83ee865c>] call_netdevice_notifiers_extack net/core/dev.c:2008 [inline]
    [<ffffffff83ee865c>] call_netdevice_notifiers net/core/dev.c:2022 [inline]
    [<ffffffff83ee865c>] register_netdevice+0x72c/0x8c0 net/core/dev.c:10169
    [<ffffffff83230ee1>] nsim_init_netdevsim drivers/net/netdevsim/netdev.c:343 [inline]
    [<ffffffff83230ee1>] nsim_create+0x1d1/0x250 drivers/net/netdevsim/netdev.c:395
    [<ffffffff8323223a>] __nsim_dev_port_add+0x1ba/0x3d0 drivers/net/netdevsim/dev.c:1390
    [<ffffffff832330dd>] nsim_dev_port_add_all drivers/net/netdevsim/dev.c:1446 [inline]
    [<ffffffff832330dd>] nsim_dev_reload_create drivers/net/netdevsim/dev.c:1498 [inline]
    [<ffffffff832330dd>] nsim_dev_reload_up+0x32d/0x410 drivers/net/netdevsim/dev.c:985
    [<ffffffff8448c304>] devlink_reload+0x134/0x240 net/devlink/dev.c:400
    [<ffffffff84489eb2>] devlink_pernet_pre_exit+0xd2/0x150 net/devlink/core.c:288
    [<ffffffff83ec17dd>] ops_pre_exit_list net/core/net_namespace.c:160 [inline]
    [<ffffffff83ec17dd>] cleanup_net+0x28d/0x510 net/core/net_namespace.c:602
    [<ffffffff812c8d9d>] process_one_work+0x23d/0x530 kernel/workqueue.c:2630

[   98.585189][    C0