unregister_netdevice: waiting for lo to become free. Usage count = 2
ref_tracker: lo@0000000017540b47 has 1/1 users at
     __netdev_tracker_alloc include/linux/netdevice.h:4331 [inline]
     netdev_tracker_alloc include/linux/netdevice.h:4343 [inline]
     netdev_get_by_index+0x5c/0xa4 net/core/dev.c:1006
     fib6_nh_init+0x4b4/0x15bc net/ipv6/route.c:3583
     nh_create_ipv6 net/ipv4/nexthop.c:2851 [inline]
     nexthop_create net/ipv4/nexthop.c:2902 [inline]
     nexthop_add net/ipv4/nexthop.c:2939 [inline]
     rtm_new_nexthop+0x1778/0x59d4 net/ipv4/nexthop.c:3254
     rtnetlink_rcv_msg+0x65c/0x8d4 net/core/rtnetlink.c:6955
     netlink_rcv_skb+0x1a8/0x348 net/netlink/af_netlink.c:2534
     rtnetlink_rcv+0x18/0x24 net/core/rtnetlink.c:6982
     netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
     netlink_unicast+0x3c0/0x670 net/netlink/af_netlink.c:1339
     netlink_sendmsg+0x644/0xa54 net/netlink/af_netlink.c:1883
     sock_sendmsg_nosec net/socket.c:712 [inline]
     __sock_sendmsg+0xc8/0x168 net/socket.c:727
     ____sys_sendmsg+0x504/0x768 net/socket.c:2566
     ___sys_sendmsg+0x11c/0x19c net/socket.c:2620
     __sys_sendmsg+0x114/0x198 net/socket.c:2652
     __compat_sys_sendmsg net/compat.c:346 [inline]
     __do_compat_sys_sendmsg net/compat.c:353 [inline]
     __se_compat_sys_sendmsg net/compat.c:350 [inline]
     __arm64_compat_sys_sendmsg+0x74/0xa4 net/compat.c:350
     __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
     invoke_syscall+0x6c/0x258 arch/arm64/kernel/syscall.c:49
     el0_svc_common.constprop.0+0xac/0x230 arch/arm64/kernel/syscall.c:132
     do_el0_svc_compat+0x40/0x68 arch/arm64/kernel/syscall.c:157

unregister_netdevice: waiting for lo to become free. Usage count = 2
ref_tracker: lo@0000000017540b47 has 1/1 users at
     __netdev_tracker_alloc include/linux/netdevice.h:4331 [inline]
     netdev_tracker_alloc include/linux/netdevice.h:4343 [inline]
     netdev_get_by_index+0x5c/0xa4 net/core/dev.c:1006
     fib6_nh_init+0x4b4/0x15bc net/ipv6/route.c:3583
     nh_create_ipv6 net/ipv4/nexthop.c:2851 [inline]
     nexthop_create net/ipv4/nexthop.c:2902 [inline]
     nexthop_add net/ipv4/nexthop.c:2939 [inline]
     rtm_new_nexthop+0x1778/0x59d4 net/ipv4/nexthop.c:3254
     rtnetlink_rcv_msg+0x65c/0x8d4 net/core/rtnetlink.c:6955
     netlink_rcv_skb+0x1a8/0x348 net/netlink/af_netlink.c:2534
     rtnetlink_rcv+0x18/0x24 net/core/rtnetlink.c:6982
     netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
     netlink_unicast+0x3c0/0x670 net/netlink/af_netlink.c:1339
     netlink_sendmsg+0x644/0xa54 net/netlink/af_netlink.c:1883
     sock_sendmsg_nosec net/socket.c:712 [inline]
     __sock_sendmsg+0xc8/0x168 net/socket.c:727
     ____sys_sendmsg+0x504/0x768 net/socket.c:2566
     ___sys_sendmsg+0x11c/0x19c net/socket.c:2620
     __sys_sendmsg+0x114/0x198 net/socket.c:2652
     __compat_sys_sendmsg net/compat.c:346 [inline]
     __do_compat_sys_sendmsg net/compat.c:353 [inline]
     __se_compat_sys_sendmsg net/compat.c:350 [inline]
     __arm64_compat_sys_sendmsg+0x74/0xa4 net/compat.c:350
     __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
     invoke_syscall+0x6c/0x258 arch/arm64/kernel/syscall.c:49
     el0_svc_common.constprop.0+0xac/0x230 arch/arm64/kernel/syscall.c:132
     do_el0_svc_compat+0x40/0x68 arch/arm64/kernel/syscall.c:157

unregister_netdevice: waiting for lo to become free. Usage count = 2
ref_tracker: lo@0000000017540b47 has 1/1 users at
     __netdev_tracker_alloc include/linux/netdevice.h:4331 [inline]
     netdev_tracker_alloc include/linux/netdevice.h:4343 [inline]
     netdev_get_by_index+0x5c/0xa4 net/core/dev.c:1006
     fib6_nh_init+0x4b4/0x15bc net/ipv6/route.c:3583
     nh_create_ipv6 net/ipv4/nexthop.c:2851 [inline]
     nexthop_create net/ipv4/nexthop.c:2902 [inline]
     nexthop_add net/ipv4/nexthop.c:2939 [inline]
     rtm_new_nexthop+0x1778/0x59d4 net/ipv4/nexthop.c:3254
     rtnetlink_rcv_msg+0x65c/0x8d4 net/core/rtnetlink.c:6955
     netlink_rcv_skb+0x1a8/0x348 net/netlink/af_netlink.c:2534
     rtnetlink_rcv+0x18/0x24 net/core/rtnetlink.c:6982
     netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
     netlink_unicast+0x3c0/0x670 net/netlink/af_netlink.c:1339
     netlink_sendmsg+0x644/0xa54 net/netlink/af_netlink.c:1883
     sock_sendmsg_nosec net/socket.c:712 [inline]
     __sock_sendmsg+0xc8/0x168 net/socket.c:727
     ____sys_sendmsg+0x504/0x768 net/socket.c:2566
     ___sys_sendmsg+0x11c/0x19c net/socket.c:2620
     __sys_sendmsg+0x114/0x198 net/socket.c:2652
     __compat_sys_sendmsg net/compat.c:346 [inline]
     __do_compat_sys_sendmsg net/compat.c:353 [inline]
     __se_compat_sys_sendmsg net/compat.c:350 [inline]
     __arm64_compat_sys_sendmsg+0x74/0xa4 net/compat.c:350
     __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
     invoke_syscall+0x6c/0x258 arch/arm64/kernel/syscall.c:49
     el0_svc_common.constprop.0+0xac/0x230 arch/arm64/kernel/syscall.c:132
     do_el0_svc_compat+0x40/0x68 arch/arm64/kernel/syscall.c:157