unregister_netdevice: waiting for batadv0 to become free. Usage count = 4
leaked reference.
 __netdev_tracker_alloc include/linux/netdevice.h:4051 [inline]
 netdev_tracker_alloc include/linux/netdevice.h:4063 [inline]
 fib6_nh_init+0x630/0x1ad4 net/ipv6/route.c:3665
 ip6_route_info_create+0x7b0/0xf78 net/ipv6/route.c:3846
 addrconf_f6i_alloc+0x1a8/0x36c net/ipv6/route.c:4621
 ipv6_add_addr+0x3c8/0xce0 net/ipv6/addrconf.c:1121
 addrconf_add_linklocal+0x23c/0x608 net/ipv6/addrconf.c:3257
 addrconf_addr_gen+0x3ec/0x4fc net/ipv6/addrconf.c:3388
 addrconf_init_auto_addrs+0x5e0/0x94c net/ipv6/addrconf.c:-1
 addrconf_notify+0x8c4/0xc8c net/ipv6/addrconf.c:3685
 notifier_call_chain kernel/notifier.c:87 [inline]
 raw_notifier_call_chain+0xd4/0x164 kernel/notifier.c:455
 call_netdevice_notifiers_info net/core/dev.c:2001 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:2039 [inline]
 call_netdevice_notifiers net/core/dev.c:2053 [inline]
 __dev_notify_flags+0x250/0x480 net/core/dev.c:8676
 dev_change_flags+0xc8/0x154 net/core/dev.c:8714
 do_setlink+0xa5c/0x3434 net/core/rtnetlink.c:2833
 __rtnl_newlink net/core/rtnetlink.c:3608 [inline]
 rtnl_newlink+0x13cc/0x1a50 net/core/rtnetlink.c:3655
 rtnetlink_rcv_msg+0x698/0xcdc net/core/rtnetlink.c:6150
 netlink_rcv_skb+0x218/0x3e8 net/netlink/af_netlink.c:2511
 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6168
leaked reference.
 __netdev_tracker_alloc include/linux/netdevice.h:4051 [inline]
 netdev_tracker_alloc include/linux/netdevice.h:4063 [inline]
 fib6_nh_init+0x630/0x1ad4 net/ipv6/route.c:3665
 ip6_route_info_create+0x7b0/0xf78 net/ipv6/route.c:3846
 addrconf_f6i_alloc+0x1a8/0x36c net/ipv6/route.c:4621
 fixup_permanent_addr net/ipv6/addrconf.c:3528 [inline]
 addrconf_permanent_addr+0x288/0x8d4 net/ipv6/addrconf.c:3567
 addrconf_notify+0x7b0/0xc8c net/ipv6/addrconf.c:3639
 notifier_call_chain kernel/notifier.c:87 [inline]
 raw_notifier_call_chain+0xd4/0x164 kernel/notifier.c:455
 call_netdevice_notifiers_info net/core/dev.c:2001 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:2039 [inline]
 call_netdevice_notifiers net/core/dev.c:2053 [inline]
 __dev_notify_flags+0x250/0x480 net/core/dev.c:8676
 dev_change_flags+0xc8/0x154 net/core/dev.c:8714
 do_setlink+0xa5c/0x3434 net/core/rtnetlink.c:2833
 __rtnl_newlink net/core/rtnetlink.c:3608 [inline]
 rtnl_newlink+0x13cc/0x1a50 net/core/rtnetlink.c:3655
 rtnetlink_rcv_msg+0x698/0xcdc net/core/rtnetlink.c:6150
 netlink_rcv_skb+0x218/0x3e8 net/netlink/af_netlink.c:2511
 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6168
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x60c/0x814 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x6f4/0x9c0 net/netlink/af_netlink.c:1872
 sock_sendmsg_nosec net/socket.c:718 [inline]
 __sock_sendmsg net/socket.c:730 [inline]
 __sys_sendto+0x324/0x440 net/socket.c:2152
leaked reference.
 __netdev_tracker_alloc include/linux/netdevice.h:4051 [inline]
 netdev_tracker_alloc+0x68/0xb0 include/linux/netdevice.h:4063
 fib_create_info+0x1990/0x1e58 net/ipv4/fib_semantics.c:1552
 fib_table_insert+0xac/0x13a8 net/ipv4/fib_trie.c:1217
 fib_magic+0x26c/0x344 net/ipv4/fib_frontend.c:1118
 fib_add_ifaddr+0x118/0x4f8 net/ipv4/fib_frontend.c:1140
 fib_inetaddr_event+0x12c/0x1f8 net/ipv4/fib_frontend.c:1454
 notifier_call_chain kernel/notifier.c:87 [inline]
 blocking_notifier_call_chain+0xf0/0x198 kernel/notifier.c:382
 __inet_insert_ifa+0x85c/0xa10 net/ipv4/devinet.c:568
 inet_rtm_newaddr+0x8a0/0x15b0 net/ipv4/devinet.c:970
 rtnetlink_rcv_msg+0x698/0xcdc net/core/rtnetlink.c:6150
 netlink_rcv_skb+0x218/0x3e8 net/netlink/af_netlink.c:2511
 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6168
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x60c/0x814 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x6f4/0x9c0 net/netlink/af_netlink.c:1872
 sock_sendmsg_nosec net/socket.c:718 [inline]
 __sock_sendmsg net/socket.c:730 [inline]
 __sys_sendto+0x324/0x440 net/socket.c:2152
 __do_sys_sendto net/socket.c:2164 [inline]
 __se_sys_sendto net/socket.c:2160 [inline]
 __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2160