[ 887.681748][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4 [ 887.682087][ T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at [ 887.682087][ T10] netdev_get_by_index+0x5e/0x80 [ 887.682087][ T10] fib6_nh_init+0x3d8/0x1580 [ 887.682087][ T10] ip6_route_info_create+0xf18/0x17d0 [ 887.682087][ T10] addrconf_f6i_alloc+0x315/0x560 [ 887.682087][ T10] ipv6_add_addr+0x411/0x2000 [ 887.682087][ T10] inet6_addr_add+0x30e/0xa40 [ 887.682087][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 887.682087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 887.682087][ T10] netlink_rcv_skb+0x130/0x360 [ 887.682087][ T10] netlink_unicast+0x449/0x710 [ 887.682087][ T10] netlink_sendmsg+0x723/0xbe0 [ 887.682087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 887.682087][ T10] ___sys_sendmsg+0xee/0x170 [ 887.682087][ T10] __sys_sendmsg+0xcd/0x170 [ 887.682087][ T10] do_syscall_64+0xc6/0x1e0 [ 887.682087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 887.682087][ T10] [ 887.684197][ T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at [ 887.684197][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 887.684197][ T10] ipv6_find_idev+0x102/0x170 [ 887.684197][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 887.684197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 887.684197][ T10] netlink_rcv_skb+0x130/0x360 [ 887.684197][ T10] netlink_unicast+0x449/0x710 [ 887.684197][ T10] netlink_sendmsg+0x723/0xbe0 [ 887.684197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 887.684197][ T10] ___sys_sendmsg+0xee/0x170 [ 887.684197][ T10] __sys_sendmsg+0xcd/0x170 [ 887.684197][ T10] do_syscall_64+0xc6/0x1e0 [ 887.684197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 887.684197][ T10] [ 887.685805][ T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at [ 887.685805][ T10] neigh_parms_alloc+0x1e5/0x510 [ 887.685805][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 887.685805][ T10] ipv6_find_idev+0x102/0x170 [ 887.685805][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 887.685805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 887.685805][ T10] netlink_rcv_skb+0x130/0x360 [ 887.685805][ T10] netlink_unicast+0x449/0x710 [ 887.685805][ T10] netlink_sendmsg+0x723/0xbe0 [ 887.685805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 887.685805][ T10] ___sys_sendmsg+0xee/0x170 [ 887.685805][ T10] __sys_sendmsg+0xcd/0x170 [ 887.685805][ T10] do_syscall_64+0xc6/0x1e0 [ 887.685805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 887.685805][ T10] [ 887.687564][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7 [ 887.687837][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 887.687837][ T10] netdev_get_by_index+0x5e/0x80 [ 887.687837][ T10] fib6_nh_init+0x3d8/0x1580 [ 887.687837][ T10] ip6_route_info_create+0xf18/0x17d0 [ 887.687837][ T10] addrconf_f6i_alloc+0x265/0x560 [ 887.687837][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 887.687837][ T10] addrconf_join_anycast+0x1c0/0x220 [ 887.687837][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 887.687837][ T10] addrconf_dad_completed+0x12b/0xe20 [ 887.687837][ T10] addrconf_dad_begin+0x310/0x670 [ 887.687837][ T10] addrconf_dad_work+0x10b/0xab0 [ 887.687837][ T10] process_one_work+0x84d/0x18a0 [ 887.687837][ T10] worker_thread+0x587/0xd30 [ 887.687837][ T10] kthread+0x28a/0x350 [ 887.687837][ T10] ret_from_fork+0x31/0x70 [ 887.687837][ T10] ret_from_fork_asm+0x1a/0x30 [ 887.687837][ T10] [ 887.689775][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 887.689775][ T10] netdev_get_by_index+0x5e/0x80 [ 887.689775][ T10] fib6_nh_init+0x3d8/0x1580 [ 887.689775][ T10] ip6_route_info_create+0xf18/0x17d0 [ 887.689775][ T10] ip6_route_add+0x1c/0x140 [ 887.689775][ T10] addrconf_prefix_route+0x2a6/0x430 [ 887.689775][ T10] inet6_addr_add+0x4f8/0xa40 [ 887.689775][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 887.689775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 887.689775][ T10] netlink_rcv_skb+0x130/0x360 [ 887.689775][ T10] netlink_unicast+0x449/0x710 [ 887.689775][ T10] netlink_sendmsg+0x723/0xbe0 [ 887.689775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 887.689775][ T10] ___sys_sendmsg+0xee/0x170 [ 887.689775][ T10] __sys_sendmsg+0xcd/0x170 [ 887.689775][ T10] do_syscall_64+0xc6/0x1e0 [ 887.689775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 887.689775][ T10] [ 887.691810][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 887.691810][ T10] netdev_get_by_index+0x5e/0x80 [ 887.691810][ T10] fib6_nh_init+0x3d8/0x1580 [ 887.691810][ T10] ip6_route_info_create+0xf18/0x17d0 [ 887.691810][ T10] addrconf_f6i_alloc+0x315/0x560 [ 887.691810][ T10] ipv6_add_addr+0x411/0x2000 [ 887.691810][ T10] inet6_addr_add+0x30e/0xa40 [ 887.691810][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 887.691810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 887.691810][ T10] netlink_rcv_skb+0x130/0x360 [ 887.691810][ T10] netlink_unicast+0x449/0x710 [ 887.691810][ T10] netlink_sendmsg+0x723/0xbe0 [ 887.691810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 887.691810][ T10] ___sys_sendmsg+0xee/0x170 [ 887.691810][ T10] __sys_sendmsg+0xcd/0x170 [ 887.691810][ T10] do_syscall_64+0xc6/0x1e0 [ 887.691810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 887.691810][ T10] [ 887.694024][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 887.694024][ T10] netdev_get_by_index+0x5e/0x80 [ 887.694024][ T10] fib6_nh_init+0x3d8/0x1580 [ 887.694024][ T10] ip6_route_info_create+0xf18/0x17d0 [ 887.694024][ T10] ip6_route_add+0x1c/0x140 [ 887.694024][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 887.694024][ T10] addrconf_add_dev+0xe2/0x170 [ 887.694024][ T10] inet6_addr_add+0x12f/0xa40 [ 887.694024][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 887.694024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 887.694024][ T10] netlink_rcv_skb+0x130/0x360 [ 887.694024][ T10] netlink_unicast+0x449/0x710 [ 887.694024][ T10] netlink_sendmsg+0x723/0xbe0 [ 887.694024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 887.694024][ T10] ___sys_sendmsg+0xee/0x170 [ 887.694024][ T10] __sys_sendmsg+0xcd/0x170 [ 887.694024][ T10] do_syscall_64+0xc6/0x1e0 [ 887.694024][ T10] [ 887.696252][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 887.696252][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 887.696252][ T10] ipv6_find_idev+0x102/0x170 [ 887.696252][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 887.696252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 887.696252][ T10] netlink_rcv_skb+0x130/0x360 [ 887.696252][ T10] netlink_unicast+0x449/0x710 [ 887.696252][ T10] netlink_sendmsg+0x723/0xbe0 [ 887.696252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 887.696252][ T10] ___sys_sendmsg+0xee/0x170 [ 887.696252][ T10] __sys_sendmsg+0xcd/0x170 [ 887.696252][ T10] do_syscall_64+0xc6/0x1e0 [ 887.696252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 887.696252][ T10] [ 887.697987][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 887.697987][ T10] neigh_parms_alloc+0x1e5/0x510 [ 887.697987][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 887.697987][ T10] ipv6_find_idev+0x102/0x170 [ 887.697987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 887.697987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 887.697987][ T10] netlink_rcv_skb+0x130/0x360 [ 887.697987][ T10] netlink_unicast+0x449/0x710 [ 887.697987][ T10] netlink_sendmsg+0x723/0xbe0 [ 887.697987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 887.697987][ T10] ___sys_sendmsg+0xee/0x170 [ 887.697987][ T10] __sys_sendmsg+0xcd/0x170 [ 887.697987][ T10] do_syscall_64+0xc6/0x1e0 [ 887.697987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 887.697987][ T10] [ 897.817652][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4 [ 897.818017][ T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at [ 897.818017][ T10] netdev_get_by_index+0x5e/0x80 [ 897.818017][ T10] fib6_nh_init+0x3d8/0x1580 [ 897.818017][ T10] ip6_route_info_create+0xf18/0x17d0 [ 897.818017][ T10] addrconf_f6i_alloc+0x315/0x560 [ 897.818017][ T10] ipv6_add_addr+0x411/0x2000 [ 897.818017][ T10] inet6_addr_add+0x30e/0xa40 [ 897.818017][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 897.818017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.818017][ T10] netlink_rcv_skb+0x130/0x360 [ 897.818017][ T10] netlink_unicast+0x449/0x710 [ 897.818017][ T10] netlink_sendmsg+0x723/0xbe0 [ 897.818017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 897.818017][ T10] ___sys_sendmsg+0xee/0x170 [ 897.818017][ T10] __sys_sendmsg+0xcd/0x170 [ 897.818017][ T10] do_syscall_64+0xc6/0x1e0 [ 897.818017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 897.818017][ T10] [ 897.820398][ T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at [ 897.820398][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 897.820398][ T10] ipv6_find_idev+0x102/0x170 [ 897.820398][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 897.820398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.820398][ T10] netlink_rcv_skb+0x130/0x360 [ 897.820398][ T10] netlink_unicast+0x449/0x710 [ 897.820398][ T10] netlink_sendmsg+0x723/0xbe0 [ 897.820398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 897.820398][ T10] ___sys_sendmsg+0xee/0x170 [ 897.820398][ T10] __sys_sendmsg+0xcd/0x170 [ 897.820398][ T10] do_syscall_64+0xc6/0x1e0 [ 897.820398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 897.820398][ T10] [ 897.822272][ T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at [ 897.822272][ T10] neigh_parms_alloc+0x1e5/0x510 [ 897.822272][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 897.822272][ T10] ipv6_find_idev+0x102/0x170 [ 897.822272][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 897.822272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.822272][ T10] netlink_rcv_skb+0x130/0x360 [ 897.822272][ T10] netlink_unicast+0x449/0x710 [ 897.822272][ T10] netlink_sendmsg+0x723/0xbe0 [ 897.822272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 897.822272][ T10] ___sys_sendmsg+0xee/0x170 [ 897.822272][ T10] __sys_sendmsg+0xcd/0x170 [ 897.822272][ T10] do_syscall_64+0xc6/0x1e0 [ 897.822272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 897.822272][ T10] [ 897.824317][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7 [ 897.824614][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 897.824614][ T10] netdev_get_by_index+0x5e/0x80 [ 897.824614][ T10] fib6_nh_init+0x3d8/0x1580 [ 897.824614][ T10] ip6_route_info_create+0xf18/0x17d0 [ 897.824614][ T10] addrconf_f6i_alloc+0x265/0x560 [ 897.824614][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 897.824614][ T10] addrconf_join_anycast+0x1c0/0x220 [ 897.824614][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 897.824614][ T10] addrconf_dad_completed+0x12b/0xe20 [ 897.824614][ T10] addrconf_dad_begin+0x310/0x670 [ 897.824614][ T10] addrconf_dad_work+0x10b/0xab0 [ 897.824614][ T10] process_one_work+0x84d/0x18a0 [ 897.824614][ T10] worker_thread+0x587/0xd30 [ 897.824614][ T10] kthread+0x28a/0x350 [ 897.824614][ T10] ret_from_fork+0x31/0x70 [ 897.824614][ T10] ret_from_fork_asm+0x1a/0x30 [ 897.824614][ T10] [ 897.826860][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 897.826860][ T10] netdev_get_by_index+0x5e/0x80 [ 897.826860][ T10] fib6_nh_init+0x3d8/0x1580 [ 897.826860][ T10] ip6_route_info_create+0xf18/0x17d0 [ 897.826860][ T10] ip6_route_add+0x1c/0x140 [ 897.826860][ T10] addrconf_prefix_route+0x2a6/0x430 [ 897.826860][ T10] inet6_addr_add+0x4f8/0xa40 [ 897.826860][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 897.826860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.826860][ T10] netlink_rcv_skb+0x130/0x360 [ 897.826860][ T10] netlink_unicast+0x449/0x710 [ 897.826860][ T10] netlink_sendmsg+0x723/0xbe0 [ 897.826860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 897.826860][ T10] ___sys_sendmsg+0xee/0x170 [ 897.826860][ T10] __sys_sendmsg+0xcd/0x170 [ 897.826860][ T10] do_syscall_64+0xc6/0x1e0 [ 897.826860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 897.826860][ T10] [ 897.829406][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 897.829406][ T10] netdev_get_by_index+0x5e/0x80 [ 897.829406][ T10] fib6_nh_init+0x3d8/0x1580 [ 897.829406][ T10] ip6_route_info_create+0xf18/0x17d0 [ 897.829406][ T10] addrconf_f6i_alloc+0x315/0x560 [ 897.829406][ T10] ipv6_add_addr+0x411/0x2000 [ 897.829406][ T10] inet6_addr_add+0x30e/0xa40 [ 897.829406][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 897.829406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.829406][ T10] netlink_rcv_skb+0x130/0x360 [ 897.829406][ T10] netlink_unicast+0x449/0x710 [ 897.829406][ T10] netlink_sendmsg+0x723/0xbe0 [ 897.829406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 897.829406][ T10] ___sys_sendmsg+0xee/0x170 [ 897.829406][ T10] __sys_sendmsg+0xcd/0x170 [ 897.829406][ T10] do_syscall_64+0xc6/0x1e0 [ 897.829406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 897.829406][ T10] [ 897.832043][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 897.832043][ T10] netdev_get_by_index+0x5e/0x80 [ 897.832043][ T10] fib6_nh_init+0x3d8/0x1580 [ 897.832043][ T10] ip6_route_info_create+0xf18/0x17d0 [ 897.832043][ T10] ip6_route_add+0x1c/0x140 [ 897.832043][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 897.832043][ T10] addrconf_add_dev+0xe2/0x170 [ 897.832043][ T10] inet6_addr_add+0x12f/0xa40 [ 897.832043][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 897.832043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.832043][ T10] netlink_rcv_skb+0x130/0x360 [ 897.832043][ T10] netlink_unicast+0x449/0x710 [ 897.832043][ T10] netlink_sendmsg+0x723/0xbe0 [ 897.832043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 897.832043][ T10] ___sys_sendmsg+0xee/0x170 [ 897.832043][ T10] __sys_sendmsg+0xcd/0x170 [ 897.832043][ T10] do_syscall_64+0xc6/0x1e0 [ 897.832043][ T10] [ 897.834603][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 897.834603][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 897.834603][ T10] ipv6_find_idev+0x102/0x170 [ 897.834603][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 897.834603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.834603][ T10] netlink_rcv_skb+0x130/0x360 [ 897.834603][ T10] netlink_unicast+0x449/0x710 [ 897.834603][ T10] netlink_sendmsg+0x723/0xbe0 [ 897.834603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 897.834603][ T10] ___sys_sendmsg+0xee/0x170 [ 897.834603][ T10] __sys_sendmsg+0xcd/0x170 [ 897.834603][ T10] do_syscall_64+0xc6/0x1e0 [ 897.834603][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 897.834603][ T10] [ 897.836763][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 897.836763][ T10] neigh_parms_alloc+0x1e5/0x510 [ 897.836763][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 897.836763][ T10] ipv6_find_idev+0x102/0x170 [ 897.836763][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 897.836763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.836763][ T10] netlink_rcv_skb+0x130/0x360 [ 897.836763][ T10] netlink_unicast+0x449/0x710 [ 897.836763][ T10] netlink_sendmsg+0x723/0xbe0 [ 897.836763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 897.836763][ T10] ___sys_sendmsg+0xee/0x170 [ 897.836763][ T10] __sys_sendmsg+0xcd/0x170 [ 897.836763][ T10] do_syscall_64+0xc6/0x1e0 [ 897.836763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 897.836763][ T10] [ 908.016687][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4 [ 908.017029][ T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at [ 908.017029][ T10] netdev_get_by_index+0x5e/0x80 [ 908.017029][ T10] fib6_nh_init+0x3d8/0x1580 [ 908.017029][ T10] ip6_route_info_create+0xf18/0x17d0 [ 908.017029][ T10] addrconf_f6i_alloc+0x315/0x560 [ 908.017029][ T10] ipv6_add_addr+0x411/0x2000 [ 908.017029][ T10] inet6_addr_add+0x30e/0xa40 [ 908.017029][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 908.017029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 908.017029][ T10] netlink_rcv_skb+0x130/0x360 [ 908.017029][ T10] netlink_unicast+0x449/0x710 [ 908.017029][ T10] netlink_sendmsg+0x723/0xbe0 [ 908.017029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 908.017029][ T10] ___sys_sendmsg+0xee/0x170 [ 908.017029][ T10] __sys_sendmsg+0xcd/0x170 [ 908.017029][ T10] do_syscall_64+0xc6/0x1e0 [ 908.017029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 908.017029][ T10] [ 908.019454][ T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at [ 908.019454][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 908.019454][ T10] ipv6_find_idev+0x102/0x170 [ 908.019454][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 908.019454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 908.019454][ T10] netlink_rcv_skb+0x130/0x360 [ 908.019454][ T10] netlink_unicast+0x449/0x710 [ 908.019454][ T10] netlink_sendmsg+0x723/0xbe0 [ 908.019454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 908.019454][ T10] ___sys_sendmsg+0xee/0x170 [ 908.019454][ T10] __sys_sendmsg+0xcd/0x170 [ 908.019454][ T10] do_syscall_64+0xc6/0x1e0 [ 908.019454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 908.019454][ T10] [ 908.021310][ T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at [ 908.021310][ T10] neigh_parms_alloc+0x1e5/0x510 [ 908.021310][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 908.021310][ T10] ipv6_find_idev+0x102/0x170 [ 908.021310][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 908.021310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 908.021310][ T10] netlink_rcv_skb+0x130/0x360 [ 908.021310][ T10] netlink_unicast+0x449/0x710 [ 908.021310][ T10] netlink_sendmsg+0x723/0xbe0 [ 908.021310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 908.021310][ T10] ___sys_sendmsg+0xee/0x170 [ 908.021310][ T10] __sys_sendmsg+0xcd/0x170 [ 908.021310][ T10] do_syscall_64+0xc6/0x1e0 [ 908.021310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 908.021310][ T10] [ 908.023900][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7 [ 908.024271][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 908.024271][ T10] netdev_get_by_index+0x5e/0x80 [ 908.024271][ T10] fib6_nh_init+0x3d8/0x1580 [ 908.024271][ T10] ip6_route_info_create+0xf18/0x17d0 [ 908.024271][ T10] addrconf_f6i_alloc+0x265/0x560 [ 908.024271][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 908.024271][ T10] addrconf_join_anycast+0x1c0/0x220 [ 908.024271][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 908.024271][ T10] addrconf_dad_completed+0x12b/0xe20 [ 908.024271][ T10] addrconf_dad_begin+0x310/0x670 [ 908.024271][ T10] addrconf_dad_work+0x10b/0xab0 [ 908.024271][ T10] process_one_work+0x84d/0x18a0 [ 908.024271][ T10] worker_thread+0x587/0xd30 [ 908.024271][ T10] kthread+0x28a/0x350 [ 908.024271][ T10] ret_from_fork+0x31/0x70 [ 908.024271][ T10] ret_from_fork_asm+0x1a/0x30 [ 908.024271][ T10] [ 908.026477][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 908.026477][ T10] netdev_get_by_index+0x5e/0x80 [ 908.026477][ T10] fib6_nh_init+0x3d8/0x1580 [ 908.026477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 908.026477][ T10] ip6_route_add+0x1c/0x140 [ 908.026477][ T10] addrconf_prefix_route+0x2a6/0x430 [ 908.026477][ T10] inet6_addr_add+0x4f8/0xa40 [ 908.026477][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 908.026477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 908.026477][ T10] netlink_rcv_skb+0x130/0x360 [ 908.026477][ T10] netlink_unicast+0x449/0x710 [ 908.026477][ T10] netlink_sendmsg+0x723/0xbe0 [ 908.026477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 908.026477][ T10] ___sys_sendmsg+0xee/0x170 [ 908.026477][ T10] __sys_sendmsg+0xcd/0x170 [ 908.026477][ T10] do_syscall_64+0xc6/0x1e0 [ 908.026477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 908.026477][ T10] [ 908.028881][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 908.028881][ T10] netdev_get_by_index+0x5e/0x80 [ 908.028881][ T10] fib6_nh_init+0x3d8/0x1580 [ 908.028881][ T10] ip6_route_info_create+0xf18/0x17d0 [ 908.028881][ T10] addrconf_f6i_alloc+0x315/0x560 [ 908.028881][ T10] ipv6_add_addr+0x411/0x2000 [ 908.028881][ T10] inet6_addr_add+0x30e/0xa40 [ 908.028881][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 908.028881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 908.028881][ T10] netlink_rcv_skb+0x130/0x360 [ 908.028881][ T10] netlink_unicast+0x449/0x710 [ 908.028881][ T10] netlink_sendmsg+0x723/0xbe0 [ 908.028881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 908.028881][ T10] ___sys_sendmsg+0xee/0x170 [ 908.028881][ T10] __sys_sendmsg+0xcd/0x170 [ 908.028881][ T10] do_syscall_64+0xc6/0x1e0 [ 908.028881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 908.028881][ T10] [ 908.031229][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 908.031229][ T10] netdev_get_by_index+0x5e/0x80 [ 908.031229][ T10] fib6_nh_init+0x3d8/0x1580 [ 908.031229][ T10] ip6_route_info_create+0xf18/0x17d0 [ 908.031229][ T10] ip6_route_add+0x1c/0x140 [ 908.031229][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 908.031229][ T10] addrconf_add_dev+0xe2/0x170 [ 908.031229][ T10] inet6_addr_add+0x12f/0xa40 [ 908.031229][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 908.031229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 908.031229][ T10] netlink_rcv_skb+0x130/0x360 [ 908.031229][ T10] netlink_unicast+0x449/0x710 [ 908.031229][ T10] netlink_sendmsg+0x723/0xbe0 [ 908.031229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 908.031229][ T10] ___sys_sendmsg+0xee/0x170 [ 908.031229][ T10] __sys_sendmsg+0xcd/0x170 [ 908.031229][ T10] do_syscall_64+0xc6/0x1e0 [ 908.031229][ T10] [ 908.033578][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 908.033578][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 908.033578][ T10] ipv6_find_idev+0x102/0x170 [ 908.033578][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 908.033578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 908.033578][ T10] netlink_rcv_skb+0x130/0x360 [ 908.033578][ T10] netlink_unicast+0x449/0x710 [ 908.033578][ T10] netlink_sendmsg+0x723/0xbe0 [ 908.033578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 908.033578][ T10] ___sys_sendmsg+0xee/0x170 [ 908.033578][ T10] __sys_sendmsg+0xcd/0x170 [ 908.033578][ T10] do_syscall_64+0xc6/0x1e0 [ 908.033578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 908.033578][ T10] [ 908.035404][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 908.035404][ T10] neigh_parms_alloc+0x1e5/0x510 [ 908.035404][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 908.035404][ T10] ipv6_find_idev+0x102/0x170 [ 908.035404][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 908.035404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 908.035404][ T10] netlink_rcv_skb+0x130/0x360 [ 908.035404][ T10] netlink_unicast+0x449/0x710 [ 908.035404][ T10] netlink_sendmsg+0x723/0xbe0 [ 908.035404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 908.035404][ T10] ___sys_sendmsg+0xee/0x170 [ 908.035404][ T10] __sys_sendmsg+0xcd/0x170 [ 908.035404][ T10] do_syscall_64+0xc6/0x1e0 [ 908.035404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 908.035404][ T10] [ 918.144738][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4 [ 918.145161][ T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at [ 918.145161][ T10] netdev_get_by_index+0x5e/0x80 [ 918.145161][ T10] fib6_nh_init+0x3d8/0x1580 [ 918.145161][ T10] ip6_route_info_create+0xf18/0x17d0 [ 918.145161][ T10] addrconf_f6i_alloc+0x315/0x560 [ 918.145161][ T10] ipv6_add_addr+0x411/0x2000 [ 918.145161][ T10] inet6_addr_add+0x30e/0xa40 [ 918.145161][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 918.145161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 918.145161][ T10] netlink_rcv_skb+0x130/0x360 [ 918.145161][ T10] netlink_unicast+0x449/0x710 [ 918.145161][ T10] netlink_sendmsg+0x723/0xbe0 [ 918.145161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 918.145161][ T10] ___sys_sendmsg+0xee/0x170 [ 918.145161][ T10] __sys_sendmsg+0xcd/0x170 [ 918.145161][ T10] do_syscall_64+0xc6/0x1e0 [ 918.145161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 918.145161][ T10] [ 918.147598][ T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at [ 918.147598][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 918.147598][ T10] ipv6_find_idev+0x102/0x170 [ 918.147598][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 918.147598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 918.147598][ T10] netlink_rcv_skb+0x130/0x360 [ 918.147598][ T10] netlink_unicast+0x449/0x710 [ 918.147598][ T10] netlink_sendmsg+0x723/0xbe0 [ 918.147598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 918.147598][ T10] ___sys_sendmsg+0xee/0x170 [ 918.147598][ T10] __sys_sendmsg+0xcd/0x170 [ 918.147598][ T10] do_syscall_64+0xc6/0x1e0 [ 918.147598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 918.147598][ T10] [ 918.149490][ T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at [ 918.149490][ T10] neigh_parms_alloc+0x1e5/0x510 [ 918.149490][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 918.149490][ T10] ipv6_find_idev+0x102/0x170 [ 918.149490][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 918.149490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 918.149490][ T10] netlink_rcv_skb+0x130/0x360 [ 918.149490][ T10] netlink_unicast+0x449/0x710 [ 918.149490][ T10] netlink_sendmsg+0x723/0xbe0 [ 918.149490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 918.149490][ T10] ___sys_sendmsg+0xee/0x170 [ 918.149490][ T10] __sys_sendmsg+0xcd/0x170 [ 918.149490][ T10] do_syscall_64+0xc6/0x1e0 [ 918.149490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 918.149490][ T10] [ 918.151571][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7 [ 918.151872][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 918.151872][ T10] netdev_get_by_index+0x5e/0x80 [ 918.151872][ T10] fib6_nh_init+0x3d8/0x1580 [ 918.151872][ T10] ip6_route_info_create+0xf18/0x17d0 [ 918.151872][ T10] addrconf_f6i_alloc+0x265/0x560 [ 918.151872][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 918.151872][ T10] addrconf_join_anycast+0x1c0/0x220 [ 918.151872][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 918.151872][ T10] addrconf_dad_completed+0x12b/0xe20 [ 918.151872][ T10] addrconf_dad_begin+0x310/0x670 [ 918.151872][ T10] addrconf_dad_work+0x10b/0xab0 [ 918.151872][ T10] process_one_work+0x84d/0x18a0 [ 918.151872][ T10] worker_thread+0x587/0xd30 [ 918.151872][ T10] kthread+0x28a/0x350 [ 918.151872][ T10] ret_from_fork+0x31/0x70 [ 918.151872][ T10] ret_from_fork_asm+0x1a/0x30 [ 918.151872][ T10] [ 918.154163][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 918.154163][ T10] netdev_get_by_index+0x5e/0x80 [ 918.154163][ T10] fib6_nh_init+0x3d8/0x1580 [ 918.154163][ T10] ip6_route_info_create+0xf18/0x17d0 [ 918.154163][ T10] ip6_route_add+0x1c/0x140 [ 918.154163][ T10] addrconf_prefix_route+0x2a6/0x430 [ 918.154163][ T10] inet6_addr_add+0x4f8/0xa40 [ 918.154163][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 918.154163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 918.154163][ T10] netlink_rcv_skb+0x130/0x360 [ 918.154163][ T10] netlink_unicast+0x449/0x710 [ 918.154163][ T10] netlink_sendmsg+0x723/0xbe0 [ 918.154163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 918.154163][ T10] ___sys_sendmsg+0xee/0x170 [ 918.154163][ T10] __sys_sendmsg+0xcd/0x170 [ 918.154163][ T10] do_syscall_64+0xc6/0x1e0 [ 918.154163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 918.154163][ T10] [ 918.156599][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 918.156599][ T10] netdev_get_by_index+0x5e/0x80 [ 918.156599][ T10] fib6_nh_init+0x3d8/0x1580 [ 918.156599][ T10] ip6_route_info_create+0xf18/0x17d0 [ 918.156599][ T10] addrconf_f6i_alloc+0x315/0x560 [ 918.156599][ T10] ipv6_add_addr+0x411/0x2000 [ 918.156599][ T10] inet6_addr_add+0x30e/0xa40 [ 918.156599][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 918.156599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 918.156599][ T10] netlink_rcv_skb+0x130/0x360 [ 918.156599][ T10] netlink_unicast+0x449/0x710 [ 918.156599][ T10] netlink_sendmsg+0x723/0xbe0 [ 918.156599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 918.156599][ T10] ___sys_sendmsg+0xee/0x170 [ 918.156599][ T10] __sys_sendmsg+0xcd/0x170 [ 918.156599][ T10] do_syscall_64+0xc6/0x1e0 [ 918.156599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 918.156599][ T10] [ 918.159062][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 918.159062][ T10] netdev_get_by_index+0x5e/0x80 [ 918.159062][ T10] fib6_nh_init+0x3d8/0x1580 [ 918.159062][ T10] ip6_route_info_create+0xf18/0x17d0 [ 918.159062][ T10] ip6_route_add+0x1c/0x140 [ 918.159062][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 918.159062][ T10] addrconf_add_dev+0xe2/0x170 [ 918.159062][ T10] inet6_addr_add+0x12f/0xa40 [ 918.159062][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 918.159062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 918.159062][ T10] netlink_rcv_skb+0x130/0x360 [ 918.159062][ T10] netlink_unicast+0x449/0x710 [ 918.159062][ T10] netlink_sendmsg+0x723/0xbe0 [ 918.159062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 918.159062][ T10] ___sys_sendmsg+0xee/0x170 [ 918.159062][ T10] __sys_sendmsg+0xcd/0x170 [ 918.159062][ T10] do_syscall_64+0xc6/0x1e0 [ 918.159062][ T10] [ 918.161364][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 918.161364][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 918.161364][ T10] ipv6_find_idev+0x102/0x170 [ 918.161364][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 918.161364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 918.161364][ T10] netlink_rcv_skb+0x130/0x360 [ 918.161364][ T10] netlink_unicast+0x449/0x710 [ 918.161364][ T10] netlink_sendmsg+0x723/0xbe0 [ 918.161364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 918.161364][ T10] ___sys_sendmsg+0xee/0x170 [ 918.161364][ T10] __sys_sendmsg+0xcd/0x170 [ 918.161364][ T10] do_syscall_64+0xc6/0x1e0 [ 918.161364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 918.161364][ T10] [ 918.163150][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 918.163150][ T10] neigh_parms_alloc+0x1e5/0x510 [ 918.163150][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 918.163150][ T10] ipv6_find_idev+0x102/0x170 [ 918.163150][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 918.163150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 918.163150][ T10] netlink_rcv_skb+0x130/0x360 [ 918.163150][ T10] netlink_unicast+0x449/0x710 [ 918.163150][ T10] netlink_sendmsg+0x723/0xbe0 [ 918.163150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 918.163150][ T10] ___sys_sendmsg+0xee/0x170 [ 918.163150][ T10] __sys_sendmsg+0xcd/0x170 [ 918.163150][ T10] do_syscall_64+0xc6/0x1e0 [ 918.163150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 918.163150][ T10] [ 928.320736][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4 [ 928.321135][ T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at [ 928.321135][ T10] netdev_get_by_index+0x5e/0x80 [ 928.321135][ T10] fib6_nh_init+0x3d8/0x1580 [ 928.321135][ T10] ip6_route_info_create+0xf18/0x17d0 [ 928.321135][ T10] addrconf_f6i_alloc+0x315/0x560 [ 928.321135][ T10] ipv6_add_addr+0x411/0x2000 [ 928.321135][ T10] inet6_addr_add+0x30e/0xa40 [ 928.321135][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 928.321135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 928.321135][ T10] netlink_rcv_skb+0x130/0x360 [ 928.321135][ T10] netlink_unicast+0x449/0x710 [ 928.321135][ T10] netlink_sendmsg+0x723/0xbe0 [ 928.321135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 928.321135][ T10] ___sys_sendmsg+0xee/0x170 [ 928.321135][ T10] __sys_sendmsg+0xcd/0x170 [ 928.321135][ T10] do_syscall_64+0xc6/0x1e0 [ 928.321135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 928.321135][ T10] [ 928.323247][ T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at [ 928.323247][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 928.323247][ T10] ipv6_find_idev+0x102/0x170 [ 928.323247][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 928.323247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 928.323247][ T10] netlink_rcv_skb+0x130/0x360 [ 928.323247][ T10] netlink_unicast+0x449/0x710 [ 928.323247][ T10] netlink_sendmsg+0x723/0xbe0 [ 928.323247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 928.323247][ T10] ___sys_sendmsg+0xee/0x170 [ 928.323247][ T10] __sys_sendmsg+0xcd/0x170 [ 928.323247][ T10] do_syscall_64+0xc6/0x1e0 [ 928.323247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 928.323247][ T10] [ 928.324864][ T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at [ 928.324864][ T10] neigh_parms_alloc+0x1e5/0x510 [ 928.324864][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 928.324864][ T10] ipv6_find_idev+0x102/0x170 [ 928.324864][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 928.324864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 928.324864][ T10] netlink_rcv_skb+0x130/0x360 [ 928.324864][ T10] netlink_unicast+0x449/0x710 [ 928.324864][ T10] netlink_sendmsg+0x723/0xbe0 [ 928.324864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 928.324864][ T10] ___sys_sendmsg+0xee/0x170 [ 928.324864][ T10] __sys_sendmsg+0xcd/0x170 [ 928.324864][ T10] do_syscall_64+0xc6/0x1e0 [ 928.324864][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 928.324864][ T10] [ 928.326657][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7 [ 928.326919][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 928.326919][ T10] netdev_get_by_index+0x5e/0x80 [ 928.326919][ T10] fib6_nh_init+0x3d8/0x1580 [ 928.326919][ T10] ip6_route_info_create+0xf18/0x17d0 [ 928.326919][ T10] addrconf_f6i_alloc+0x265/0x560 [ 928.326919][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 928.326919][ T10] addrconf_join_anycast+0x1c0/0x220 [ 928.326919][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 928.326919][ T10] addrconf_dad_completed+0x12b/0xe20 [ 928.326919][ T10] addrconf_dad_begin+0x310/0x670 [ 928.326919][ T10] addrconf_dad_work+0x10b/0xab0 [ 928.326919][ T10] process_one_work+0x84d/0x18a0 [ 928.326919][ T10] worker_thread+0x587/0xd30 [ 928.326919][ T10] kthread+0x28a/0x350 [ 928.326919][ T10] ret_from_fork+0x31/0x70 [ 928.326919][ T10] ret_from_fork_asm+0x1a/0x30 [ 928.326919][ T10] [ 928.328920][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 928.328920][ T10] netdev_get_by_index+0x5e/0x80 [ 928.328920][ T10] fib6_nh_init+0x3d8/0x1580 [ 928.328920][ T10] ip6_route_info_create+0xf18/0x17d0 [ 928.328920][ T10] ip6_route_add+0x1c/0x140 [ 928.328920][ T10] addrconf_prefix_route+0x2a6/0x430 [ 928.328920][ T10] inet6_addr_add+0x4f8/0xa40 [ 928.328920][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 928.328920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 928.328920][ T10] netlink_rcv_skb+0x130/0x360 [ 928.328920][ T10] netlink_unicast+0x449/0x710 [ 928.328920][ T10] netlink_sendmsg+0x723/0xbe0 [ 928.328920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 928.328920][ T10] ___sys_sendmsg+0xee/0x170 [ 928.328920][ T10] __sys_sendmsg+0xcd/0x170 [ 928.328920][ T10] do_syscall_64+0xc6/0x1e0 [ 928.328920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 928.328920][ T10] [ 928.331185][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 928.331185][ T10] netdev_get_by_index+0x5e/0x80 [ 928.331185][ T10] fib6_nh_init+0x3d8/0x1580 [ 928.331185][ T10] ip6_route_info_create+0xf18/0x17d0 [ 928.331185][ T10] addrconf_f6i_alloc+0x315/0x560 [ 928.331185][ T10] ipv6_add_addr+0x411/0x2000 [ 928.331185][ T10] inet6_addr_add+0x30e/0xa40 [ 928.331185][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 928.331185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 928.331185][ T10] netlink_rcv_skb+0x130/0x360 [ 928.331185][ T10] netlink_unicast+0x449/0x710 [ 928.331185][ T10] netlink_sendmsg+0x723/0xbe0 [ 928.331185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 928.331185][ T10] ___sys_sendmsg+0xee/0x170 [ 928.331185][ T10] __sys_sendmsg+0xcd/0x170 [ 928.331185][ T10] do_syscall_64+0xc6/0x1e0 [ 928.331185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 928.331185][ T10] [ 928.333657][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 928.333657][ T10] netdev_get_by_index+0x5e/0x80 [ 928.333657][ T10] fib6_nh_init+0x3d8/0x1580 [ 928.333657][ T10] ip6_route_info_create+0xf18/0x17d0 [ 928.333657][ T10] ip6_route_add+0x1c/0x140 [ 928.333657][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 928.333657][ T10] addrconf_add_dev+0xe2/0x170 [ 928.333657][ T10] inet6_addr_add+0x12f/0xa40 [ 928.333657][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 928.333657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 928.333657][ T10] netlink_rcv_skb+0x130/0x360 [ 928.333657][ T10] netlink_unicast+0x449/0x710 [ 928.333657][ T10] netlink_sendmsg+0x723/0xbe0 [ 928.333657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 928.333657][ T10] ___sys_sendmsg+0xee/0x170 [ 928.333657][ T10] __sys_sendmsg+0xcd/0x170 [ 928.333657][ T10] do_syscall_64+0xc6/0x1e0 [ 928.333657][ T10] [ 928.335936][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 928.335936][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 928.335936][ T10] ipv6_find_idev+0x102/0x170 [ 928.335936][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 928.335936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 928.335936][ T10] netlink_rcv_skb+0x130/0x360 [ 928.335936][ T10] netlink_unicast+0x449/0x710 [ 928.335936][ T10] netlink_sendmsg+0x723/0xbe0 [ 928.335936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 928.335936][ T10] ___sys_sendmsg+0xee/0x170 [ 928.335936][ T10] __sys_sendmsg+0xcd/0x170 [ 928.335936][ T10] do_syscall_64+0xc6/0x1e0 [ 928.335936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 928.335936][ T10] [ 928.337574][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 928.337574][ T10] neigh_parms_alloc+0x1e5/0x510 [ 928.337574][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 928.337574][ T10] ipv6_find_idev+0x102/0x170 [ 928.337574][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 928.337574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 928.337574][ T10] netlink_rcv_skb+0x130/0x360 [ 928.337574][ T10] netlink_unicast+0x449/0x710 [ 928.337574][ T10] netlink_sendmsg+0x723/0xbe0 [ 928.337574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 928.337574][ T10] ___sys_sendmsg+0xee/0x170 [ 928.337574][ T10] __sys_sendmsg+0xcd/0x170 [ 928.337574][ T10] do_syscall_64+0xc6/0x1e0 [ 928.337574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 928.337574][ T10] [ 938.512772][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4 [ 938.513096][ T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at [ 938.513096][ T10] netdev_get_by_index+0x5e/0x80 [ 938.513096][ T10] fib6_nh_init+0x3d8/0x1580 [ 938.513096][ T10] ip6_route_info_create+0xf18/0x17d0 [ 938.513096][ T10] addrconf_f6i_alloc+0x315/0x560 [ 938.513096][ T10] ipv6_add_addr+0x411/0x2000 [ 938.513096][ T10] inet6_addr_add+0x30e/0xa40 [ 938.513096][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 938.513096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.513096][ T10] netlink_rcv_skb+0x130/0x360 [ 938.513096][ T10] netlink_unicast+0x449/0x710 [ 938.513096][ T10] netlink_sendmsg+0x723/0xbe0 [ 938.513096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 938.513096][ T10] ___sys_sendmsg+0xee/0x170 [ 938.513096][ T10] __sys_sendmsg+0xcd/0x170 [ 938.513096][ T10] do_syscall_64+0xc6/0x1e0 [ 938.513096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 938.513096][ T10] [ 938.515239][ T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at [ 938.515239][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 938.515239][ T10] ipv6_find_idev+0x102/0x170 [ 938.515239][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 938.515239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.515239][ T10] netlink_rcv_skb+0x130/0x360 [ 938.515239][ T10] netlink_unicast+0x449/0x710 [ 938.515239][ T10] netlink_sendmsg+0x723/0xbe0 [ 938.515239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 938.515239][ T10] ___sys_sendmsg+0xee/0x170 [ 938.515239][ T10] __sys_sendmsg+0xcd/0x170 [ 938.515239][ T10] do_syscall_64+0xc6/0x1e0 [ 938.515239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 938.515239][ T10] [ 938.516855][ T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at [ 938.516855][ T10] neigh_parms_alloc+0x1e5/0x510 [ 938.516855][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 938.516855][ T10] ipv6_find_idev+0x102/0x170 [ 938.516855][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 938.516855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.516855][ T10] netlink_rcv_skb+0x130/0x360 [ 938.516855][ T10] netlink_unicast+0x449/0x710 [ 938.516855][ T10] netlink_sendmsg+0x723/0xbe0 [ 938.516855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 938.516855][ T10] ___sys_sendmsg+0xee/0x170 [ 938.516855][ T10] __sys_sendmsg+0xcd/0x170 [ 938.516855][ T10] do_syscall_64+0xc6/0x1e0 [ 938.516855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 938.516855][ T10] [ 938.518645][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7 [ 938.518906][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 938.518906][ T10] netdev_get_by_index+0x5e/0x80 [ 938.518906][ T10] fib6_nh_init+0x3d8/0x1580 [ 938.518906][ T10] ip6_route_info_create+0xf18/0x17d0 [ 938.518906][ T10] addrconf_f6i_alloc+0x265/0x560 [ 938.518906][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 938.518906][ T10] addrconf_join_anycast+0x1c0/0x220 [ 938.518906][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 938.518906][ T10] addrconf_dad_completed+0x12b/0xe20 [ 938.518906][ T10] addrconf_dad_begin+0x310/0x670 [ 938.518906][ T10] addrconf_dad_work+0x10b/0xab0 [ 938.518906][ T10] process_one_work+0x84d/0x18a0 [ 938.518906][ T10] worker_thread+0x587/0xd30 [ 938.518906][ T10] kthread+0x28a/0x350 [ 938.518906][ T10] ret_from_fork+0x31/0x70 [ 938.518906][ T10] ret_from_fork_asm+0x1a/0x30 [ 938.518906][ T10] [ 938.520852][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 938.520852][ T10] netdev_get_by_index+0x5e/0x80 [ 938.520852][ T10] fib6_nh_init+0x3d8/0x1580 [ 938.520852][ T10] ip6_route_info_create+0xf18/0x17d0 [ 938.520852][ T10] ip6_route_add+0x1c/0x140 [ 938.520852][ T10] addrconf_prefix_route+0x2a6/0x430 [ 938.520852][ T10] inet6_addr_add+0x4f8/0xa40 [ 938.520852][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 938.520852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.520852][ T10] netlink_rcv_skb+0x130/0x360 [ 938.520852][ T10] netlink_unicast+0x449/0x710 [ 938.520852][ T10] netlink_sendmsg+0x723/0xbe0 [ 938.520852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 938.520852][ T10] ___sys_sendmsg+0xee/0x170 [ 938.520852][ T10] __sys_sendmsg+0xcd/0x170 [ 938.520852][ T10] do_syscall_64+0xc6/0x1e0 [ 938.520852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 938.520852][ T10] [ 938.524428][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 938.524428][ T10] netdev_get_by_index+0x5e/0x80 [ 938.524428][ T10] fib6_nh_init+0x3d8/0x1580 [ 938.524428][ T10] ip6_route_info_create+0xf18/0x17d0 [ 938.524428][ T10] addrconf_f6i_alloc+0x315/0x560 [ 938.524428][ T10] ipv6_add_addr+0x411/0x2000 [ 938.524428][ T10] inet6_addr_add+0x30e/0xa40 [ 938.524428][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 938.524428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.524428][ T10] netlink_rcv_skb+0x130/0x360 [ 938.524428][ T10] netlink_unicast+0x449/0x710 [ 938.524428][ T10] netlink_sendmsg+0x723/0xbe0 [ 938.524428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 938.524428][ T10] ___sys_sendmsg+0xee/0x170 [ 938.524428][ T10] __sys_sendmsg+0xcd/0x170 [ 938.524428][ T10] do_syscall_64+0xc6/0x1e0 [ 938.524428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 938.524428][ T10] [ 938.527965][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 938.527965][ T10] netdev_get_by_index+0x5e/0x80 [ 938.527965][ T10] fib6_nh_init+0x3d8/0x1580 [ 938.527965][ T10] ip6_route_info_create+0xf18/0x17d0 [ 938.527965][ T10] ip6_route_add+0x1c/0x140 [ 938.527965][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 938.527965][ T10] addrconf_add_dev+0xe2/0x170 [ 938.527965][ T10] inet6_addr_add+0x12f/0xa40 [ 938.527965][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 938.527965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.527965][ T10] netlink_rcv_skb+0x130/0x360 [ 938.527965][ T10] netlink_unicast+0x449/0x710 [ 938.527965][ T10] netlink_sendmsg+0x723/0xbe0 [ 938.527965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 938.527965][ T10] ___sys_sendmsg+0xee/0x170 [ 938.527965][ T10] __sys_sendmsg+0xcd/0x170 [ 938.527965][ T10] do_syscall_64+0xc6/0x1e0 [ 938.527965][ T10] [ 938.531400][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 938.531400][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 938.531400][ T10] ipv6_find_idev+0x102/0x170 [ 938.531400][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 938.531400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.531400][ T10] netlink_rcv_skb+0x130/0x360 [ 938.531400][ T10] netlink_unicast+0x449/0x710 [ 938.531400][ T10] netlink_sendmsg+0x723/0xbe0 [ 938.531400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 938.531400][ T10] ___sys_sendmsg+0xee/0x170 [ 938.531400][ T10] __sys_sendmsg+0xcd/0x170 [ 938.531400][ T10] do_syscall_64+0xc6/0x1e0 [ 938.531400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 938.531400][ T10] [ 938.534475][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 938.534475][ T10] neigh_parms_alloc+0x1e5/0x510 [ 938.534475][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 938.534475][ T10] ipv6_find_idev+0x102/0x170 [ 938.534475][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 938.534475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.534475][ T10] netlink_rcv_skb+0x130/0x360 [ 938.534475][ T10] netlink_unicast+0x449/0x710 [ 938.534475][ T10] netlink_sendmsg+0x723/0xbe0 [ 938.534475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 938.534475][ T10] ___sys_sendmsg+0xee/0x170 [ 938.534475][ T10] __sys_sendmsg+0xcd/0x170 [ 938.534475][ T10] do_syscall_64+0xc6/0x1e0 [ 938.534475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 938.534475][ T10] [ 948.736740][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4 [ 948.737114][ T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at [ 948.737114][ T10] netdev_get_by_index+0x5e/0x80 [ 948.737114][ T10] fib6_nh_init+0x3d8/0x1580 [ 948.737114][ T10] ip6_route_info_create+0xf18/0x17d0 [ 948.737114][ T10] addrconf_f6i_alloc+0x315/0x560 [ 948.737114][ T10] ipv6_add_addr+0x411/0x2000 [ 948.737114][ T10] inet6_addr_add+0x30e/0xa40 [ 948.737114][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 948.737114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.737114][ T10] netlink_rcv_skb+0x130/0x360 [ 948.737114][ T10] netlink_unicast+0x449/0x710 [ 948.737114][ T10] netlink_sendmsg+0x723/0xbe0 [ 948.737114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 948.737114][ T10] ___sys_sendmsg+0xee/0x170 [ 948.737114][ T10] __sys_sendmsg+0xcd/0x170 [ 948.737114][ T10] do_syscall_64+0xc6/0x1e0 [ 948.737114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 948.737114][ T10] [ 948.739517][ T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at [ 948.739517][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 948.739517][ T10] ipv6_find_idev+0x102/0x170 [ 948.739517][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 948.739517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.739517][ T10] netlink_rcv_skb+0x130/0x360 [ 948.739517][ T10] netlink_unicast+0x449/0x710 [ 948.739517][ T10] netlink_sendmsg+0x723/0xbe0 [ 948.739517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 948.739517][ T10] ___sys_sendmsg+0xee/0x170 [ 948.739517][ T10] __sys_sendmsg+0xcd/0x170 [ 948.739517][ T10] do_syscall_64+0xc6/0x1e0 [ 948.739517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 948.739517][ T10] [ 948.741321][ T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at [ 948.741321][ T10] neigh_parms_alloc+0x1e5/0x510 [ 948.741321][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 948.741321][ T10] ipv6_find_idev+0x102/0x170 [ 948.741321][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 948.741321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.741321][ T10] netlink_rcv_skb+0x130/0x360 [ 948.741321][ T10] netlink_unicast+0x449/0x710 [ 948.741321][ T10] netlink_sendmsg+0x723/0xbe0 [ 948.741321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 948.741321][ T10] ___sys_sendmsg+0xee/0x170 [ 948.741321][ T10] __sys_sendmsg+0xcd/0x170 [ 948.741321][ T10] do_syscall_64+0xc6/0x1e0 [ 948.741321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 948.741321][ T10] [ 948.743374][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7 [ 948.743670][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 948.743670][ T10] netdev_get_by_index+0x5e/0x80 [ 948.743670][ T10] fib6_nh_init+0x3d8/0x1580 [ 948.743670][ T10] ip6_route_info_create+0xf18/0x17d0 [ 948.743670][ T10] addrconf_f6i_alloc+0x265/0x560 [ 948.743670][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 948.743670][ T10] addrconf_join_anycast+0x1c0/0x220 [ 948.743670][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 948.743670][ T10] addrconf_dad_completed+0x12b/0xe20 [ 948.743670][ T10] addrconf_dad_begin+0x310/0x670 [ 948.743670][ T10] addrconf_dad_work+0x10b/0xab0 [ 948.743670][ T10] process_one_work+0x84d/0x18a0 [ 948.743670][ T10] worker_thread+0x587/0xd30 [ 948.743670][ T10] kthread+0x28a/0x350 [ 948.743670][ T10] ret_from_fork+0x31/0x70 [ 948.743670][ T10] ret_from_fork_asm+0x1a/0x30 [ 948.743670][ T10] [ 948.745875][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 948.745875][ T10] netdev_get_by_index+0x5e/0x80 [ 948.745875][ T10] fib6_nh_init+0x3d8/0x1580 [ 948.745875][ T10] ip6_route_info_create+0xf18/0x17d0 [ 948.745875][ T10] ip6_route_add+0x1c/0x140 [ 948.745875][ T10] addrconf_prefix_route+0x2a6/0x430 [ 948.745875][ T10] inet6_addr_add+0x4f8/0xa40 [ 948.745875][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 948.745875][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.745875][ T10] netlink_rcv_skb+0x130/0x360 [ 948.745875][ T10] netlink_unicast+0x449/0x710 [ 948.745875][ T10] netlink_sendmsg+0x723/0xbe0 [ 948.745875][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 948.745875][ T10] ___sys_sendmsg+0xee/0x170 [ 948.745875][ T10] __sys_sendmsg+0xcd/0x170 [ 948.745875][ T10] do_syscall_64+0xc6/0x1e0 [ 948.745875][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 948.745875][ T10] [ 948.748243][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 948.748243][ T10] netdev_get_by_index+0x5e/0x80 [ 948.748243][ T10] fib6_nh_init+0x3d8/0x1580 [ 948.748243][ T10] ip6_route_info_create+0xf18/0x17d0 [ 948.748243][ T10] addrconf_f6i_alloc+0x315/0x560 [ 948.748243][ T10] ipv6_add_addr+0x411/0x2000 [ 948.748243][ T10] inet6_addr_add+0x30e/0xa40 [ 948.748243][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 948.748243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.748243][ T10] netlink_rcv_skb+0x130/0x360 [ 948.748243][ T10] netlink_unicast+0x449/0x710 [ 948.748243][ T10] netlink_sendmsg+0x723/0xbe0 [ 948.748243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 948.748243][ T10] ___sys_sendmsg+0xee/0x170 [ 948.748243][ T10] __sys_sendmsg+0xcd/0x170 [ 948.748243][ T10] do_syscall_64+0xc6/0x1e0 [ 948.748243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 948.748243][ T10] [ 948.751084][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 948.751084][ T10] netdev_get_by_index+0x5e/0x80 [ 948.751084][ T10] fib6_nh_init+0x3d8/0x1580 [ 948.751084][ T10] ip6_route_info_create+0xf18/0x17d0 [ 948.751084][ T10] ip6_route_add+0x1c/0x140 [ 948.751084][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 948.751084][ T10] addrconf_add_dev+0xe2/0x170 [ 948.751084][ T10] inet6_addr_add+0x12f/0xa40 [ 948.751084][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 948.751084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.751084][ T10] netlink_rcv_skb+0x130/0x360 [ 948.751084][ T10] netlink_unicast+0x449/0x710 [ 948.751084][ T10] netlink_sendmsg+0x723/0xbe0 [ 948.751084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 948.751084][ T10] ___sys_sendmsg+0xee/0x170 [ 948.751084][ T10] __sys_sendmsg+0xcd/0x170 [ 948.751084][ T10] do_syscall_64+0xc6/0x1e0 [ 948.751084][ T10] [ 948.753709][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 948.753709][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 948.753709][ T10] ipv6_find_idev+0x102/0x170 [ 948.753709][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 948.753709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.753709][ T10] netlink_rcv_skb+0x130/0x360 [ 948.753709][ T10] netlink_unicast+0x449/0x710 [ 948.753709][ T10] netlink_sendmsg+0x723/0xbe0 [ 948.753709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 948.753709][ T10] ___sys_sendmsg+0xee/0x170 [ 948.753709][ T10] __sys_sendmsg+0xcd/0x170 [ 948.753709][ T10] do_syscall_64+0xc6/0x1e0 [ 948.753709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 948.753709][ T10] [ 948.755855][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 948.755855][ T10] neigh_parms_alloc+0x1e5/0x510 [ 948.755855][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 948.755855][ T10] ipv6_find_idev+0x102/0x170 [ 948.755855][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 948.755855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.755855][ T10] netlink_rcv_skb+0x130/0x360 [ 948.755855][ T10] netlink_unicast+0x449/0x710 [ 948.755855][ T10] netlink_sendmsg+0x723/0xbe0 [ 948.755855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 948.755855][ T10] ___sys_sendmsg+0xee/0x170 [ 948.755855][ T10] __sys_sendmsg+0xcd/0x170 [ 948.755855][ T10] do_syscall_64+0xc6/0x1e0 [ 948.755855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 948.755855][ T10] [ 958.872656][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 4 [ 958.872994][ T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at [ 958.872994][ T10] netdev_get_by_index+0x5e/0x80 [ 958.872994][ T10] fib6_nh_init+0x3d8/0x1580 [ 958.872994][ T10] ip6_route_info_create+0xf18/0x17d0 [ 958.872994][ T10] addrconf_f6i_alloc+0x315/0x560 [ 958.872994][ T10] ipv6_add_addr+0x411/0x2000 [ 958.872994][ T10] inet6_addr_add+0x30e/0xa40 [ 958.872994][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 958.872994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.872994][ T10] netlink_rcv_skb+0x130/0x360 [ 958.872994][ T10] netlink_unicast+0x449/0x710 [ 958.872994][ T10] netlink_sendmsg+0x723/0xbe0 [ 958.872994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 958.872994][ T10] ___sys_sendmsg+0xee/0x170 [ 958.872994][ T10] __sys_sendmsg+0xcd/0x170 [ 958.872994][ T10] do_syscall_64+0xc6/0x1e0 [ 958.872994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 958.872994][ T10] [ 958.875094][ T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at [ 958.875094][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 958.875094][ T10] ipv6_find_idev+0x102/0x170 [ 958.875094][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 958.875094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.875094][ T10] netlink_rcv_skb+0x130/0x360 [ 958.875094][ T10] netlink_unicast+0x449/0x710 [ 958.875094][ T10] netlink_sendmsg+0x723/0xbe0 [ 958.875094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 958.875094][ T10] ___sys_sendmsg+0xee/0x170 [ 958.875094][ T10] __sys_sendmsg+0xcd/0x170 [ 958.875094][ T10] do_syscall_64+0xc6/0x1e0 [ 958.875094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 958.875094][ T10] [ 958.876695][ T10] ref_tracker: eth0@ffff8880081c15e0 has 1/3 users at [ 958.876695][ T10] neigh_parms_alloc+0x1e5/0x510 [ 958.876695][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 958.876695][ T10] ipv6_find_idev+0x102/0x170 [ 958.876695][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 958.876695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.876695][ T10] netlink_rcv_skb+0x130/0x360 [ 958.876695][ T10] netlink_unicast+0x449/0x710 [ 958.876695][ T10] netlink_sendmsg+0x723/0xbe0 [ 958.876695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 958.876695][ T10] ___sys_sendmsg+0xee/0x170 [ 958.876695][ T10] __sys_sendmsg+0xcd/0x170 [ 958.876695][ T10] do_syscall_64+0xc6/0x1e0 [ 958.876695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 958.876695][ T10] [ 958.878474][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 7 [ 958.878764][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 958.878764][ T10] netdev_get_by_index+0x5e/0x80 [ 958.878764][ T10] fib6_nh_init+0x3d8/0x1580 [ 958.878764][ T10] ip6_route_info_create+0xf18/0x17d0 [ 958.878764][ T10] addrconf_f6i_alloc+0x265/0x560 [ 958.878764][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 958.878764][ T10] addrconf_join_anycast+0x1c0/0x220 [ 958.878764][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 958.878764][ T10] addrconf_dad_completed+0x12b/0xe20 [ 958.878764][ T10] addrconf_dad_begin+0x310/0x670 [ 958.878764][ T10] addrconf_dad_work+0x10b/0xab0 [ 958.878764][ T10] process_one_work+0x84d/0x18a0 [ 958.878764][ T10] worker_thread+0x587/0xd30 [ 958.878764][ T10] kthread+0x28a/0x350 [ 958.878764][ T10] ret_from_fork+0x31/0x70 [ 958.878764][ T10] ret_from_fork_asm+0x1a/0x30 [ 958.878764][ T10] [ 958.880716][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 958.880716][ T10] netdev_get_by_index+0x5e/0x80 [ 958.880716][ T10] fib6_nh_init+0x3d8/0x1580 [ 958.880716][ T10] ip6_route_info_create+0xf18/0x17d0 [ 958.880716][ T10] ip6_route_add+0x1c/0x140 [ 958.880716][ T10] addrconf_prefix_route+0x2a6/0x430 [ 958.880716][ T10] inet6_addr_add+0x4f8/0xa40 [ 958.880716][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 958.880716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.880716][ T10] netlink_rcv_skb+0x130/0x360 [ 958.880716][ T10] netlink_unicast+0x449/0x710 [ 958.880716][ T10] netlink_sendmsg+0x723/0xbe0 [ 958.880716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 958.880716][ T10] ___sys_sendmsg+0xee/0x170 [ 958.880716][ T10] __sys_sendmsg+0xcd/0x170 [ 958.880716][ T10] do_syscall_64+0xc6/0x1e0 [ 958.880716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 958.880716][ T10] [ 958.882794][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 958.882794][ T10] netdev_get_by_index+0x5e/0x80 [ 958.882794][ T10] fib6_nh_init+0x3d8/0x1580 [ 958.882794][ T10] ip6_route_info_create+0xf18/0x17d0 [ 958.882794][ T10] addrconf_f6i_alloc+0x315/0x560 [ 958.882794][ T10] ipv6_add_addr+0x411/0x2000 [ 958.882794][ T10] inet6_addr_add+0x30e/0xa40 [ 958.882794][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 958.882794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.882794][ T10] netlink_rcv_skb+0x130/0x360 [ 958.882794][ T10] netlink_unicast+0x449/0x710 [ 958.882794][ T10] netlink_sendmsg+0x723/0xbe0 [ 958.882794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 958.882794][ T10] ___sys_sendmsg+0xee/0x170 [ 958.882794][ T10] __sys_sendmsg+0xcd/0x170 [ 958.882794][ T10] do_syscall_64+0xc6/0x1e0 [ 958.882794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 958.882794][ T10] [ 958.884884][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 958.884884][ T10] netdev_get_by_index+0x5e/0x80 [ 958.884884][ T10] fib6_nh_init+0x3d8/0x1580 [ 958.884884][ T10] ip6_route_info_create+0xf18/0x17d0 [ 958.884884][ T10] ip6_route_add+0x1c/0x140 [ 958.884884][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 958.884884][ T10] addrconf_add_dev+0xe2/0x170 [ 958.884884][ T10] inet6_addr_add+0x12f/0xa40 [ 958.884884][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 958.884884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.884884][ T10] netlink_rcv_skb+0x130/0x360 [ 958.884884][ T10] netlink_unicast+0x449/0x710 [ 958.884884][ T10] netlink_sendmsg+0x723/0xbe0 [ 958.884884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 958.884884][ T10] ___sys_sendmsg+0xee/0x170 [ 958.884884][ T10] __sys_sendmsg+0xcd/0x170 [ 958.884884][ T10] do_syscall_64+0xc6/0x1e0 [ 958.884884][ T10] [ 958.886929][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 958.886929][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 958.886929][ T10] ipv6_find_idev+0x102/0x170 [ 958.886929][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 958.886929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.886929][ T10] netlink_rcv_skb+0x130/0x360 [ 958.886929][ T10] netlink_unicast+0x449/0x710 [ 958.886929][ T10] netlink_sendmsg+0x723/0xbe0 [ 958.886929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 958.886929][ T10] ___sys_sendmsg+0xee/0x170 [ 958.886929][ T10] __sys_sendmsg+0xcd/0x170 [ 958.886929][ T10] do_syscall_64+0xc6/0x1e0 [ 958.886929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 958.886929][ T10] [ 958.888536][ T10] ref_tracker: r1h1@ffff888008b845e0 has 1/6 users at [ 958.888536][ T10] neigh_parms_alloc+0x1e5/0x510 [ 958.888536][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 958.888536][ T10] ipv6_find_idev+0x102/0x170 [ 958.888536][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 958.888536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.888536][ T10] netlink_rcv_skb+0x130/0x360 [ 958.888536][ T10] netlink_unicast+0x449/0x710 [ 958.888536][ T10] netlink_sendmsg+0x723/0xbe0 [ 958.888536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 958.888536][ T10] ___sys_sendmsg+0xee/0x170 [ 958.888536][ T10] __sys_sendmsg+0xcd/0x170 [ 958.888536][ T10] do_syscall_64+0xc6/0x1e0 [ 958.888536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 958.888536][ T10]