[ 8654.278742][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 8654.279337][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 8654.279337][ T10] dst_init+0x84/0x4a0 [ 8654.279337][ T10] dst_alloc+0x97/0x150 [ 8654.279337][ T10] ip6_dst_alloc+0x23/0x90 [ 8654.279337][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8654.279337][ T10] ip6_pol_route+0x56f/0x840 [ 8654.279337][ T10] fib6_rule_lookup+0x334/0x630 [ 8654.279337][ T10] ip6_route_output_flags+0x259/0x480 [ 8654.279337][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8654.279337][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8654.279337][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 8654.279337][ T10] ____sys_sendmsg+0x772/0xa10 [ 8654.279337][ T10] ___sys_sendmsg+0xee/0x170 [ 8654.279337][ T10] __sys_sendmsg+0xcd/0x170 [ 8654.279337][ T10] do_syscall_64+0xc6/0x1e0 [ 8654.279337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8654.279337][ T10] [ 8654.281832][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8654.281832][ T10] dst_init+0x84/0x4a0 [ 8654.281832][ T10] dst_alloc+0x97/0x150 [ 8654.281832][ T10] ip6_dst_alloc+0x23/0x90 [ 8654.281832][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8654.281832][ T10] ip6_pol_route+0x56f/0x840 [ 8654.281832][ T10] fib6_rule_lookup+0x334/0x630 [ 8654.281832][ T10] ip6_route_output_flags+0x259/0x480 [ 8654.281832][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8654.281832][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8654.281832][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8654.281832][ T10] ping_v6_sendmsg+0x763/0x1150 [ 8654.281832][ T10] ____sys_sendmsg+0x772/0xa10 [ 8654.281832][ T10] ___sys_sendmsg+0xee/0x170 [ 8654.281832][ T10] __sys_sendmsg+0xcd/0x170 [ 8654.281832][ T10] do_syscall_64+0xc6/0x1e0 [ 8654.281832][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8654.281832][ T10] [ 8654.284001][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8654.284001][ T10] dst_init+0x84/0x4a0 [ 8654.284001][ T10] dst_alloc+0x97/0x150 [ 8654.284001][ T10] ip6_dst_alloc+0x23/0x90 [ 8654.284001][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8654.284001][ T10] ip6_pol_route+0x56f/0x840 [ 8654.284001][ T10] fib6_rule_lookup+0x334/0x630 [ 8654.284001][ T10] ip6_route_output_flags+0x259/0x480 [ 8654.284001][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8654.284001][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8654.284001][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8654.284001][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 8654.284001][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 8654.284001][ T10] ___sys_sendmsg+0xee/0x170 [ 8654.284001][ T10] __sys_sendmsg+0xcd/0x170 [ 8654.284001][ T10] do_syscall_64+0xc6/0x1e0 [ 8654.284001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8654.284001][ T10] [ 8654.286147][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8654.286147][ T10] netdev_get_by_index+0x5e/0x80 [ 8654.286147][ T10] fib6_nh_init+0x3d8/0x1580 [ 8654.286147][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8654.286147][ T10] ip6_route_add+0x1c/0x140 [ 8654.286147][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8654.286147][ T10] inet6_addr_add+0x4f8/0xa40 [ 8654.286147][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8654.286147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8654.286147][ T10] netlink_rcv_skb+0x130/0x360 [ 8654.286147][ T10] netlink_unicast+0x449/0x710 [ 8654.286147][ T10] netlink_sendmsg+0x723/0xbe0 [ 8654.286147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8654.286147][ T10] ___sys_sendmsg+0xee/0x170 [ 8654.286147][ T10] __sys_sendmsg+0xcd/0x170 [ 8654.286147][ T10] do_syscall_64+0xc6/0x1e0 [ 8654.286147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8654.286147][ T10] [ 8654.288308][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8654.288308][ T10] netdev_get_by_index+0x5e/0x80 [ 8654.288308][ T10] fib6_nh_init+0x3d8/0x1580 [ 8654.288308][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8654.288308][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8654.288308][ T10] ipv6_add_addr+0x411/0x2000 [ 8654.288308][ T10] inet6_addr_add+0x30e/0xa40 [ 8654.288308][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8654.288308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8654.288308][ T10] netlink_rcv_skb+0x130/0x360 [ 8654.288308][ T10] netlink_unicast+0x449/0x710 [ 8654.288308][ T10] netlink_sendmsg+0x723/0xbe0 [ 8654.288308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8654.288308][ T10] ___sys_sendmsg+0xee/0x170 [ 8654.288308][ T10] __sys_sendmsg+0xcd/0x170 [ 8654.288308][ T10] do_syscall_64+0xc6/0x1e0 [ 8654.288308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8654.288308][ T10] [ 8654.290456][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8654.290456][ T10] netdev_get_by_index+0x5e/0x80 [ 8654.290456][ T10] fib6_nh_init+0x3d8/0x1580 [ 8654.290456][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8654.290456][ T10] ip6_route_add+0x1c/0x140 [ 8654.290456][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8654.290456][ T10] addrconf_add_dev+0xe2/0x170 [ 8654.290456][ T10] inet6_addr_add+0x12f/0xa40 [ 8654.290456][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8654.290456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8654.290456][ T10] netlink_rcv_skb+0x130/0x360 [ 8654.290456][ T10] netlink_unicast+0x449/0x710 [ 8654.290456][ T10] netlink_sendmsg+0x723/0xbe0 [ 8654.290456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8654.290456][ T10] ___sys_sendmsg+0xee/0x170 [ 8654.290456][ T10] __sys_sendmsg+0xcd/0x170 [ 8654.290456][ T10] do_syscall_64+0xc6/0x1e0 [ 8654.290456][ T10] [ 8654.292441][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8654.292441][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8654.292441][ T10] ipv6_find_idev+0x102/0x170 [ 8654.292441][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8654.292441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8654.292441][ T10] netlink_rcv_skb+0x130/0x360 [ 8654.292441][ T10] netlink_unicast+0x449/0x710 [ 8654.292441][ T10] netlink_sendmsg+0x723/0xbe0 [ 8654.292441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8654.292441][ T10] ___sys_sendmsg+0xee/0x170 [ 8654.292441][ T10] __sys_sendmsg+0xcd/0x170 [ 8654.292441][ T10] do_syscall_64+0xc6/0x1e0 [ 8654.292441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8654.292441][ T10] [ 8654.294033][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8654.294033][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8654.294033][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8654.294033][ T10] ipv6_find_idev+0x102/0x170 [ 8654.294033][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8654.294033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8654.294033][ T10] netlink_rcv_skb+0x130/0x360 [ 8654.294033][ T10] netlink_unicast+0x449/0x710 [ 8654.294033][ T10] netlink_sendmsg+0x723/0xbe0 [ 8654.294033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8654.294033][ T10] ___sys_sendmsg+0xee/0x170 [ 8654.294033][ T10] __sys_sendmsg+0xcd/0x170 [ 8654.294033][ T10] do_syscall_64+0xc6/0x1e0 [ 8654.294033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8654.294033][ T10] [ 8654.550743][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8654.551124][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8654.551124][T12167] netdev_get_by_index+0x5e/0x80 [ 8654.551124][T12167] fib6_nh_init+0x3d8/0x1580 [ 8654.551124][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8654.551124][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8654.551124][T12167] ipv6_add_addr+0x411/0x2000 [ 8654.551124][T12167] inet6_addr_add+0x30e/0xa40 [ 8654.551124][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8654.551124][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8654.551124][T12167] netlink_rcv_skb+0x130/0x360 [ 8654.551124][T12167] netlink_unicast+0x449/0x710 [ 8654.551124][T12167] netlink_sendmsg+0x723/0xbe0 [ 8654.551124][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8654.551124][T12167] ___sys_sendmsg+0xee/0x170 [ 8654.551124][T12167] __sys_sendmsg+0xcd/0x170 [ 8654.551124][T12167] do_syscall_64+0xc6/0x1e0 [ 8654.551124][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8654.551124][T12167] [ 8654.553400][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8654.553400][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8654.553400][T12167] ipv6_find_idev+0x102/0x170 [ 8654.553400][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8654.553400][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8654.553400][T12167] netlink_rcv_skb+0x130/0x360 [ 8654.553400][T12167] netlink_unicast+0x449/0x710 [ 8654.553400][T12167] netlink_sendmsg+0x723/0xbe0 [ 8654.553400][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8654.553400][T12167] ___sys_sendmsg+0xee/0x170 [ 8654.553400][T12167] __sys_sendmsg+0xcd/0x170 [ 8654.553400][T12167] do_syscall_64+0xc6/0x1e0 [ 8654.553400][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8654.553400][T12167] [ 8654.555210][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8654.555210][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8654.555210][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8654.555210][T12167] ipv6_find_idev+0x102/0x170 [ 8654.555210][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8654.555210][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8654.555210][T12167] netlink_rcv_skb+0x130/0x360 [ 8654.555210][T12167] netlink_unicast+0x449/0x710 [ 8654.555210][T12167] netlink_sendmsg+0x723/0xbe0 [ 8654.555210][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8654.555210][T12167] ___sys_sendmsg+0xee/0x170 [ 8654.555210][T12167] __sys_sendmsg+0xcd/0x170 [ 8654.555210][T12167] do_syscall_64+0xc6/0x1e0 [ 8654.555210][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8654.555210][T12167] [ 8664.406894][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 8664.407318][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 8664.407318][ T10] dst_init+0x84/0x4a0 [ 8664.407318][ T10] dst_alloc+0x97/0x150 [ 8664.407318][ T10] ip6_dst_alloc+0x23/0x90 [ 8664.407318][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8664.407318][ T10] ip6_pol_route+0x56f/0x840 [ 8664.407318][ T10] fib6_rule_lookup+0x334/0x630 [ 8664.407318][ T10] ip6_route_output_flags+0x259/0x480 [ 8664.407318][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8664.407318][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8664.407318][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 8664.407318][ T10] ____sys_sendmsg+0x772/0xa10 [ 8664.407318][ T10] ___sys_sendmsg+0xee/0x170 [ 8664.407318][ T10] __sys_sendmsg+0xcd/0x170 [ 8664.407318][ T10] do_syscall_64+0xc6/0x1e0 [ 8664.407318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8664.407318][ T10] [ 8664.409270][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8664.409270][ T10] dst_init+0x84/0x4a0 [ 8664.409270][ T10] dst_alloc+0x97/0x150 [ 8664.409270][ T10] ip6_dst_alloc+0x23/0x90 [ 8664.409270][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8664.409270][ T10] ip6_pol_route+0x56f/0x840 [ 8664.409270][ T10] fib6_rule_lookup+0x334/0x630 [ 8664.409270][ T10] ip6_route_output_flags+0x259/0x480 [ 8664.409270][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8664.409270][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8664.409270][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8664.409270][ T10] ping_v6_sendmsg+0x763/0x1150 [ 8664.409270][ T10] ____sys_sendmsg+0x772/0xa10 [ 8664.409270][ T10] ___sys_sendmsg+0xee/0x170 [ 8664.409270][ T10] __sys_sendmsg+0xcd/0x170 [ 8664.409270][ T10] do_syscall_64+0xc6/0x1e0 [ 8664.409270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8664.409270][ T10] [ 8664.411323][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8664.411323][ T10] dst_init+0x84/0x4a0 [ 8664.411323][ T10] dst_alloc+0x97/0x150 [ 8664.411323][ T10] ip6_dst_alloc+0x23/0x90 [ 8664.411323][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8664.411323][ T10] ip6_pol_route+0x56f/0x840 [ 8664.411323][ T10] fib6_rule_lookup+0x334/0x630 [ 8664.411323][ T10] ip6_route_output_flags+0x259/0x480 [ 8664.411323][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8664.411323][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8664.411323][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8664.411323][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 8664.411323][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 8664.411323][ T10] ___sys_sendmsg+0xee/0x170 [ 8664.411323][ T10] __sys_sendmsg+0xcd/0x170 [ 8664.411323][ T10] do_syscall_64+0xc6/0x1e0 [ 8664.411323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8664.411323][ T10] [ 8664.413421][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8664.413421][ T10] netdev_get_by_index+0x5e/0x80 [ 8664.413421][ T10] fib6_nh_init+0x3d8/0x1580 [ 8664.413421][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8664.413421][ T10] ip6_route_add+0x1c/0x140 [ 8664.413421][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8664.413421][ T10] inet6_addr_add+0x4f8/0xa40 [ 8664.413421][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8664.413421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8664.413421][ T10] netlink_rcv_skb+0x130/0x360 [ 8664.413421][ T10] netlink_unicast+0x449/0x710 [ 8664.413421][ T10] netlink_sendmsg+0x723/0xbe0 [ 8664.413421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8664.413421][ T10] ___sys_sendmsg+0xee/0x170 [ 8664.413421][ T10] __sys_sendmsg+0xcd/0x170 [ 8664.413421][ T10] do_syscall_64+0xc6/0x1e0 [ 8664.413421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8664.413421][ T10] [ 8664.415549][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8664.415549][ T10] netdev_get_by_index+0x5e/0x80 [ 8664.415549][ T10] fib6_nh_init+0x3d8/0x1580 [ 8664.415549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8664.415549][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8664.415549][ T10] ipv6_add_addr+0x411/0x2000 [ 8664.415549][ T10] inet6_addr_add+0x30e/0xa40 [ 8664.415549][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8664.415549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8664.415549][ T10] netlink_rcv_skb+0x130/0x360 [ 8664.415549][ T10] netlink_unicast+0x449/0x710 [ 8664.415549][ T10] netlink_sendmsg+0x723/0xbe0 [ 8664.415549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8664.415549][ T10] ___sys_sendmsg+0xee/0x170 [ 8664.415549][ T10] __sys_sendmsg+0xcd/0x170 [ 8664.415549][ T10] do_syscall_64+0xc6/0x1e0 [ 8664.415549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8664.415549][ T10] [ 8664.417696][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8664.417696][ T10] netdev_get_by_index+0x5e/0x80 [ 8664.417696][ T10] fib6_nh_init+0x3d8/0x1580 [ 8664.417696][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8664.417696][ T10] ip6_route_add+0x1c/0x140 [ 8664.417696][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8664.417696][ T10] addrconf_add_dev+0xe2/0x170 [ 8664.417696][ T10] inet6_addr_add+0x12f/0xa40 [ 8664.417696][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8664.417696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8664.417696][ T10] netlink_rcv_skb+0x130/0x360 [ 8664.417696][ T10] netlink_unicast+0x449/0x710 [ 8664.417696][ T10] netlink_sendmsg+0x723/0xbe0 [ 8664.417696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8664.417696][ T10] ___sys_sendmsg+0xee/0x170 [ 8664.417696][ T10] __sys_sendmsg+0xcd/0x170 [ 8664.417696][ T10] do_syscall_64+0xc6/0x1e0 [ 8664.417696][ T10] [ 8664.419793][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8664.419793][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8664.419793][ T10] ipv6_find_idev+0x102/0x170 [ 8664.419793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8664.419793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8664.419793][ T10] netlink_rcv_skb+0x130/0x360 [ 8664.419793][ T10] netlink_unicast+0x449/0x710 [ 8664.419793][ T10] netlink_sendmsg+0x723/0xbe0 [ 8664.419793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8664.419793][ T10] ___sys_sendmsg+0xee/0x170 [ 8664.419793][ T10] __sys_sendmsg+0xcd/0x170 [ 8664.419793][ T10] do_syscall_64+0xc6/0x1e0 [ 8664.419793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8664.419793][ T10] [ 8664.421371][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8664.421371][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8664.421371][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8664.421371][ T10] ipv6_find_idev+0x102/0x170 [ 8664.421371][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8664.421371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8664.421371][ T10] netlink_rcv_skb+0x130/0x360 [ 8664.421371][ T10] netlink_unicast+0x449/0x710 [ 8664.421371][ T10] netlink_sendmsg+0x723/0xbe0 [ 8664.421371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8664.421371][ T10] ___sys_sendmsg+0xee/0x170 [ 8664.421371][ T10] __sys_sendmsg+0xcd/0x170 [ 8664.421371][ T10] do_syscall_64+0xc6/0x1e0 [ 8664.421371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8664.421371][ T10] [ 8664.695710][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8664.696093][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8664.696093][T12167] netdev_get_by_index+0x5e/0x80 [ 8664.696093][T12167] fib6_nh_init+0x3d8/0x1580 [ 8664.696093][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8664.696093][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8664.696093][T12167] ipv6_add_addr+0x411/0x2000 [ 8664.696093][T12167] inet6_addr_add+0x30e/0xa40 [ 8664.696093][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8664.696093][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8664.696093][T12167] netlink_rcv_skb+0x130/0x360 [ 8664.696093][T12167] netlink_unicast+0x449/0x710 [ 8664.696093][T12167] netlink_sendmsg+0x723/0xbe0 [ 8664.696093][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8664.696093][T12167] ___sys_sendmsg+0xee/0x170 [ 8664.696093][T12167] __sys_sendmsg+0xcd/0x170 [ 8664.696093][T12167] do_syscall_64+0xc6/0x1e0 [ 8664.696093][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8664.696093][T12167] [ 8664.698362][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8664.698362][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8664.698362][T12167] ipv6_find_idev+0x102/0x170 [ 8664.698362][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8664.698362][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8664.698362][T12167] netlink_rcv_skb+0x130/0x360 [ 8664.698362][T12167] netlink_unicast+0x449/0x710 [ 8664.698362][T12167] netlink_sendmsg+0x723/0xbe0 [ 8664.698362][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8664.698362][T12167] ___sys_sendmsg+0xee/0x170 [ 8664.698362][T12167] __sys_sendmsg+0xcd/0x170 [ 8664.698362][T12167] do_syscall_64+0xc6/0x1e0 [ 8664.698362][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8664.698362][T12167] [ 8664.700097][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8664.700097][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8664.700097][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8664.700097][T12167] ipv6_find_idev+0x102/0x170 [ 8664.700097][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8664.700097][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8664.700097][T12167] netlink_rcv_skb+0x130/0x360 [ 8664.700097][T12167] netlink_unicast+0x449/0x710 [ 8664.700097][T12167] netlink_sendmsg+0x723/0xbe0 [ 8664.700097][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8664.700097][T12167] ___sys_sendmsg+0xee/0x170 [ 8664.700097][T12167] __sys_sendmsg+0xcd/0x170 [ 8664.700097][T12167] do_syscall_64+0xc6/0x1e0 [ 8664.700097][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8664.700097][T12167] [ 8668.053792][T12646] GACT probability NOT on [ 8674.454842][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 8674.455308][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 8674.455308][ T10] dst_init+0x84/0x4a0 [ 8674.455308][ T10] dst_alloc+0x97/0x150 [ 8674.455308][ T10] ip6_dst_alloc+0x23/0x90 [ 8674.455308][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8674.455308][ T10] ip6_pol_route+0x56f/0x840 [ 8674.455308][ T10] fib6_rule_lookup+0x334/0x630 [ 8674.455308][ T10] ip6_route_output_flags+0x259/0x480 [ 8674.455308][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8674.455308][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8674.455308][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 8674.455308][ T10] ____sys_sendmsg+0x772/0xa10 [ 8674.455308][ T10] ___sys_sendmsg+0xee/0x170 [ 8674.455308][ T10] __sys_sendmsg+0xcd/0x170 [ 8674.455308][ T10] do_syscall_64+0xc6/0x1e0 [ 8674.455308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8674.455308][ T10] [ 8674.457260][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8674.457260][ T10] dst_init+0x84/0x4a0 [ 8674.457260][ T10] dst_alloc+0x97/0x150 [ 8674.457260][ T10] ip6_dst_alloc+0x23/0x90 [ 8674.457260][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8674.457260][ T10] ip6_pol_route+0x56f/0x840 [ 8674.457260][ T10] fib6_rule_lookup+0x334/0x630 [ 8674.457260][ T10] ip6_route_output_flags+0x259/0x480 [ 8674.457260][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8674.457260][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8674.457260][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8674.457260][ T10] ping_v6_sendmsg+0x763/0x1150 [ 8674.457260][ T10] ____sys_sendmsg+0x772/0xa10 [ 8674.457260][ T10] ___sys_sendmsg+0xee/0x170 [ 8674.457260][ T10] __sys_sendmsg+0xcd/0x170 [ 8674.457260][ T10] do_syscall_64+0xc6/0x1e0 [ 8674.457260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8674.457260][ T10] [ 8674.459315][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8674.459315][ T10] dst_init+0x84/0x4a0 [ 8674.459315][ T10] dst_alloc+0x97/0x150 [ 8674.459315][ T10] ip6_dst_alloc+0x23/0x90 [ 8674.459315][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8674.459315][ T10] ip6_pol_route+0x56f/0x840 [ 8674.459315][ T10] fib6_rule_lookup+0x334/0x630 [ 8674.459315][ T10] ip6_route_output_flags+0x259/0x480 [ 8674.459315][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8674.459315][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8674.459315][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8674.459315][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 8674.459315][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 8674.459315][ T10] ___sys_sendmsg+0xee/0x170 [ 8674.459315][ T10] __sys_sendmsg+0xcd/0x170 [ 8674.459315][ T10] do_syscall_64+0xc6/0x1e0 [ 8674.459315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8674.459315][ T10] [ 8674.461357][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8674.461357][ T10] netdev_get_by_index+0x5e/0x80 [ 8674.461357][ T10] fib6_nh_init+0x3d8/0x1580 [ 8674.461357][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8674.461357][ T10] ip6_route_add+0x1c/0x140 [ 8674.461357][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8674.461357][ T10] inet6_addr_add+0x4f8/0xa40 [ 8674.461357][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8674.461357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8674.461357][ T10] netlink_rcv_skb+0x130/0x360 [ 8674.461357][ T10] netlink_unicast+0x449/0x710 [ 8674.461357][ T10] netlink_sendmsg+0x723/0xbe0 [ 8674.461357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8674.461357][ T10] ___sys_sendmsg+0xee/0x170 [ 8674.461357][ T10] __sys_sendmsg+0xcd/0x170 [ 8674.461357][ T10] do_syscall_64+0xc6/0x1e0 [ 8674.461357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8674.461357][ T10] [ 8674.463390][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8674.463390][ T10] netdev_get_by_index+0x5e/0x80 [ 8674.463390][ T10] fib6_nh_init+0x3d8/0x1580 [ 8674.463390][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8674.463390][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8674.463390][ T10] ipv6_add_addr+0x411/0x2000 [ 8674.463390][ T10] inet6_addr_add+0x30e/0xa40 [ 8674.463390][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8674.463390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8674.463390][ T10] netlink_rcv_skb+0x130/0x360 [ 8674.463390][ T10] netlink_unicast+0x449/0x710 [ 8674.463390][ T10] netlink_sendmsg+0x723/0xbe0 [ 8674.463390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8674.463390][ T10] ___sys_sendmsg+0xee/0x170 [ 8674.463390][ T10] __sys_sendmsg+0xcd/0x170 [ 8674.463390][ T10] do_syscall_64+0xc6/0x1e0 [ 8674.463390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8674.463390][ T10] [ 8674.465432][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8674.465432][ T10] netdev_get_by_index+0x5e/0x80 [ 8674.465432][ T10] fib6_nh_init+0x3d8/0x1580 [ 8674.465432][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8674.465432][ T10] ip6_route_add+0x1c/0x140 [ 8674.465432][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8674.465432][ T10] addrconf_add_dev+0xe2/0x170 [ 8674.465432][ T10] inet6_addr_add+0x12f/0xa40 [ 8674.465432][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8674.465432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8674.465432][ T10] netlink_rcv_skb+0x130/0x360 [ 8674.465432][ T10] netlink_unicast+0x449/0x710 [ 8674.465432][ T10] netlink_sendmsg+0x723/0xbe0 [ 8674.465432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8674.465432][ T10] ___sys_sendmsg+0xee/0x170 [ 8674.465432][ T10] __sys_sendmsg+0xcd/0x170 [ 8674.465432][ T10] do_syscall_64+0xc6/0x1e0 [ 8674.465432][ T10] [ 8674.467411][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8674.467411][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8674.467411][ T10] ipv6_find_idev+0x102/0x170 [ 8674.467411][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8674.467411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8674.467411][ T10] netlink_rcv_skb+0x130/0x360 [ 8674.467411][ T10] netlink_unicast+0x449/0x710 [ 8674.467411][ T10] netlink_sendmsg+0x723/0xbe0 [ 8674.467411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8674.467411][ T10] ___sys_sendmsg+0xee/0x170 [ 8674.467411][ T10] __sys_sendmsg+0xcd/0x170 [ 8674.467411][ T10] do_syscall_64+0xc6/0x1e0 [ 8674.467411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8674.467411][ T10] [ 8674.468973][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8674.468973][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8674.468973][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8674.468973][ T10] ipv6_find_idev+0x102/0x170 [ 8674.468973][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8674.468973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8674.468973][ T10] netlink_rcv_skb+0x130/0x360 [ 8674.468973][ T10] netlink_unicast+0x449/0x710 [ 8674.468973][ T10] netlink_sendmsg+0x723/0xbe0 [ 8674.468973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8674.468973][ T10] ___sys_sendmsg+0xee/0x170 [ 8674.468973][ T10] __sys_sendmsg+0xcd/0x170 [ 8674.468973][ T10] do_syscall_64+0xc6/0x1e0 [ 8674.468973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8674.468973][ T10] [ 8674.742813][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8674.743254][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8674.743254][T12167] netdev_get_by_index+0x5e/0x80 [ 8674.743254][T12167] fib6_nh_init+0x3d8/0x1580 [ 8674.743254][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8674.743254][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8674.743254][T12167] ipv6_add_addr+0x411/0x2000 [ 8674.743254][T12167] inet6_addr_add+0x30e/0xa40 [ 8674.743254][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8674.743254][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8674.743254][T12167] netlink_rcv_skb+0x130/0x360 [ 8674.743254][T12167] netlink_unicast+0x449/0x710 [ 8674.743254][T12167] netlink_sendmsg+0x723/0xbe0 [ 8674.743254][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8674.743254][T12167] ___sys_sendmsg+0xee/0x170 [ 8674.743254][T12167] __sys_sendmsg+0xcd/0x170 [ 8674.743254][T12167] do_syscall_64+0xc6/0x1e0 [ 8674.743254][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8674.743254][T12167] [ 8674.745666][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8674.745666][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8674.745666][T12167] ipv6_find_idev+0x102/0x170 [ 8674.745666][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8674.745666][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8674.745666][T12167] netlink_rcv_skb+0x130/0x360 [ 8674.745666][T12167] netlink_unicast+0x449/0x710 [ 8674.745666][T12167] netlink_sendmsg+0x723/0xbe0 [ 8674.745666][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8674.745666][T12167] ___sys_sendmsg+0xee/0x170 [ 8674.745666][T12167] __sys_sendmsg+0xcd/0x170 [ 8674.745666][T12167] do_syscall_64+0xc6/0x1e0 [ 8674.745666][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8674.745666][T12167] [ 8674.747436][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8674.747436][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8674.747436][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8674.747436][T12167] ipv6_find_idev+0x102/0x170 [ 8674.747436][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8674.747436][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8674.747436][T12167] netlink_rcv_skb+0x130/0x360 [ 8674.747436][T12167] netlink_unicast+0x449/0x710 [ 8674.747436][T12167] netlink_sendmsg+0x723/0xbe0 [ 8674.747436][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8674.747436][T12167] ___sys_sendmsg+0xee/0x170 [ 8674.747436][T12167] __sys_sendmsg+0xcd/0x170 [ 8674.747436][T12167] do_syscall_64+0xc6/0x1e0 [ 8674.747436][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8674.747436][T12167] [ 8684.710879][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 8684.711365][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 8684.711365][ T10] dst_init+0x84/0x4a0 [ 8684.711365][ T10] dst_alloc+0x97/0x150 [ 8684.711365][ T10] ip6_dst_alloc+0x23/0x90 [ 8684.711365][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8684.711365][ T10] ip6_pol_route+0x56f/0x840 [ 8684.711365][ T10] fib6_rule_lookup+0x334/0x630 [ 8684.711365][ T10] ip6_route_output_flags+0x259/0x480 [ 8684.711365][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8684.711365][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8684.711365][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 8684.711365][ T10] ____sys_sendmsg+0x772/0xa10 [ 8684.711365][ T10] ___sys_sendmsg+0xee/0x170 [ 8684.711365][ T10] __sys_sendmsg+0xcd/0x170 [ 8684.711365][ T10] do_syscall_64+0xc6/0x1e0 [ 8684.711365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8684.711365][ T10] [ 8684.713462][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8684.713462][ T10] dst_init+0x84/0x4a0 [ 8684.713462][ T10] dst_alloc+0x97/0x150 [ 8684.713462][ T10] ip6_dst_alloc+0x23/0x90 [ 8684.713462][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8684.713462][ T10] ip6_pol_route+0x56f/0x840 [ 8684.713462][ T10] fib6_rule_lookup+0x334/0x630 [ 8684.713462][ T10] ip6_route_output_flags+0x259/0x480 [ 8684.713462][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8684.713462][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8684.713462][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8684.713462][ T10] ping_v6_sendmsg+0x763/0x1150 [ 8684.713462][ T10] ____sys_sendmsg+0x772/0xa10 [ 8684.713462][ T10] ___sys_sendmsg+0xee/0x170 [ 8684.713462][ T10] __sys_sendmsg+0xcd/0x170 [ 8684.713462][ T10] do_syscall_64+0xc6/0x1e0 [ 8684.713462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8684.713462][ T10] [ 8684.715526][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8684.715526][ T10] dst_init+0x84/0x4a0 [ 8684.715526][ T10] dst_alloc+0x97/0x150 [ 8684.715526][ T10] ip6_dst_alloc+0x23/0x90 [ 8684.715526][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8684.715526][ T10] ip6_pol_route+0x56f/0x840 [ 8684.715526][ T10] fib6_rule_lookup+0x334/0x630 [ 8684.715526][ T10] ip6_route_output_flags+0x259/0x480 [ 8684.715526][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8684.715526][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8684.715526][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8684.715526][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 8684.715526][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 8684.715526][ T10] ___sys_sendmsg+0xee/0x170 [ 8684.715526][ T10] __sys_sendmsg+0xcd/0x170 [ 8684.715526][ T10] do_syscall_64+0xc6/0x1e0 [ 8684.715526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8684.715526][ T10] [ 8684.717604][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8684.717604][ T10] netdev_get_by_index+0x5e/0x80 [ 8684.717604][ T10] fib6_nh_init+0x3d8/0x1580 [ 8684.717604][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8684.717604][ T10] ip6_route_add+0x1c/0x140 [ 8684.717604][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8684.717604][ T10] inet6_addr_add+0x4f8/0xa40 [ 8684.717604][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8684.717604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8684.717604][ T10] netlink_rcv_skb+0x130/0x360 [ 8684.717604][ T10] netlink_unicast+0x449/0x710 [ 8684.717604][ T10] netlink_sendmsg+0x723/0xbe0 [ 8684.717604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8684.717604][ T10] ___sys_sendmsg+0xee/0x170 [ 8684.717604][ T10] __sys_sendmsg+0xcd/0x170 [ 8684.717604][ T10] do_syscall_64+0xc6/0x1e0 [ 8684.717604][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8684.717604][ T10] [ 8684.719660][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8684.719660][ T10] netdev_get_by_index+0x5e/0x80 [ 8684.719660][ T10] fib6_nh_init+0x3d8/0x1580 [ 8684.719660][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8684.719660][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8684.719660][ T10] ipv6_add_addr+0x411/0x2000 [ 8684.719660][ T10] inet6_addr_add+0x30e/0xa40 [ 8684.719660][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8684.719660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8684.719660][ T10] netlink_rcv_skb+0x130/0x360 [ 8684.719660][ T10] netlink_unicast+0x449/0x710 [ 8684.719660][ T10] netlink_sendmsg+0x723/0xbe0 [ 8684.719660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8684.719660][ T10] ___sys_sendmsg+0xee/0x170 [ 8684.719660][ T10] __sys_sendmsg+0xcd/0x170 [ 8684.719660][ T10] do_syscall_64+0xc6/0x1e0 [ 8684.719660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8684.719660][ T10] [ 8684.721707][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8684.721707][ T10] netdev_get_by_index+0x5e/0x80 [ 8684.721707][ T10] fib6_nh_init+0x3d8/0x1580 [ 8684.721707][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8684.721707][ T10] ip6_route_add+0x1c/0x140 [ 8684.721707][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8684.721707][ T10] addrconf_add_dev+0xe2/0x170 [ 8684.721707][ T10] inet6_addr_add+0x12f/0xa40 [ 8684.721707][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8684.721707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8684.721707][ T10] netlink_rcv_skb+0x130/0x360 [ 8684.721707][ T10] netlink_unicast+0x449/0x710 [ 8684.721707][ T10] netlink_sendmsg+0x723/0xbe0 [ 8684.721707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8684.721707][ T10] ___sys_sendmsg+0xee/0x170 [ 8684.721707][ T10] __sys_sendmsg+0xcd/0x170 [ 8684.721707][ T10] do_syscall_64+0xc6/0x1e0 [ 8684.721707][ T10] [ 8684.723741][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8684.723741][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8684.723741][ T10] ipv6_find_idev+0x102/0x170 [ 8684.723741][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8684.723741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8684.723741][ T10] netlink_rcv_skb+0x130/0x360 [ 8684.723741][ T10] netlink_unicast+0x449/0x710 [ 8684.723741][ T10] netlink_sendmsg+0x723/0xbe0 [ 8684.723741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8684.723741][ T10] ___sys_sendmsg+0xee/0x170 [ 8684.723741][ T10] __sys_sendmsg+0xcd/0x170 [ 8684.723741][ T10] do_syscall_64+0xc6/0x1e0 [ 8684.723741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8684.723741][ T10] [ 8684.725342][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8684.725342][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8684.725342][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8684.725342][ T10] ipv6_find_idev+0x102/0x170 [ 8684.725342][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8684.725342][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8684.725342][ T10] netlink_rcv_skb+0x130/0x360 [ 8684.725342][ T10] netlink_unicast+0x449/0x710 [ 8684.725342][ T10] netlink_sendmsg+0x723/0xbe0 [ 8684.725342][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8684.725342][ T10] ___sys_sendmsg+0xee/0x170 [ 8684.725342][ T10] __sys_sendmsg+0xcd/0x170 [ 8684.725342][ T10] do_syscall_64+0xc6/0x1e0 [ 8684.725342][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8684.725342][ T10] [ 8684.990815][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8684.991197][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8684.991197][T12167] netdev_get_by_index+0x5e/0x80 [ 8684.991197][T12167] fib6_nh_init+0x3d8/0x1580 [ 8684.991197][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8684.991197][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8684.991197][T12167] ipv6_add_addr+0x411/0x2000 [ 8684.991197][T12167] inet6_addr_add+0x30e/0xa40 [ 8684.991197][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8684.991197][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8684.991197][T12167] netlink_rcv_skb+0x130/0x360 [ 8684.991197][T12167] netlink_unicast+0x449/0x710 [ 8684.991197][T12167] netlink_sendmsg+0x723/0xbe0 [ 8684.991197][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8684.991197][T12167] ___sys_sendmsg+0xee/0x170 [ 8684.991197][T12167] __sys_sendmsg+0xcd/0x170 [ 8684.991197][T12167] do_syscall_64+0xc6/0x1e0 [ 8684.991197][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8684.991197][T12167] [ 8684.993512][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8684.993512][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8684.993512][T12167] ipv6_find_idev+0x102/0x170 [ 8684.993512][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8684.993512][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8684.993512][T12167] netlink_rcv_skb+0x130/0x360 [ 8684.993512][T12167] netlink_unicast+0x449/0x710 [ 8684.993512][T12167] netlink_sendmsg+0x723/0xbe0 [ 8684.993512][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8684.993512][T12167] ___sys_sendmsg+0xee/0x170 [ 8684.993512][T12167] __sys_sendmsg+0xcd/0x170 [ 8684.993512][T12167] do_syscall_64+0xc6/0x1e0 [ 8684.993512][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8684.993512][T12167] [ 8684.995298][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8684.995298][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8684.995298][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8684.995298][T12167] ipv6_find_idev+0x102/0x170 [ 8684.995298][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8684.995298][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8684.995298][T12167] netlink_rcv_skb+0x130/0x360 [ 8684.995298][T12167] netlink_unicast+0x449/0x710 [ 8684.995298][T12167] netlink_sendmsg+0x723/0xbe0 [ 8684.995298][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8684.995298][T12167] ___sys_sendmsg+0xee/0x170 [ 8684.995298][T12167] __sys_sendmsg+0xcd/0x170 [ 8684.995298][T12167] do_syscall_64+0xc6/0x1e0 [ 8684.995298][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8684.995298][T12167] [ 8694.966834][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 8694.967363][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 8694.967363][ T10] dst_init+0x84/0x4a0 [ 8694.967363][ T10] dst_alloc+0x97/0x150 [ 8694.967363][ T10] ip6_dst_alloc+0x23/0x90 [ 8694.967363][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8694.967363][ T10] ip6_pol_route+0x56f/0x840 [ 8694.967363][ T10] fib6_rule_lookup+0x334/0x630 [ 8694.967363][ T10] ip6_route_output_flags+0x259/0x480 [ 8694.967363][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8694.967363][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8694.967363][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 8694.967363][ T10] ____sys_sendmsg+0x772/0xa10 [ 8694.967363][ T10] ___sys_sendmsg+0xee/0x170 [ 8694.967363][ T10] __sys_sendmsg+0xcd/0x170 [ 8694.967363][ T10] do_syscall_64+0xc6/0x1e0 [ 8694.967363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8694.967363][ T10] [ 8694.969620][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8694.969620][ T10] dst_init+0x84/0x4a0 [ 8694.969620][ T10] dst_alloc+0x97/0x150 [ 8694.969620][ T10] ip6_dst_alloc+0x23/0x90 [ 8694.969620][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8694.969620][ T10] ip6_pol_route+0x56f/0x840 [ 8694.969620][ T10] fib6_rule_lookup+0x334/0x630 [ 8694.969620][ T10] ip6_route_output_flags+0x259/0x480 [ 8694.969620][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8694.969620][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8694.969620][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8694.969620][ T10] ping_v6_sendmsg+0x763/0x1150 [ 8694.969620][ T10] ____sys_sendmsg+0x772/0xa10 [ 8694.969620][ T10] ___sys_sendmsg+0xee/0x170 [ 8694.969620][ T10] __sys_sendmsg+0xcd/0x170 [ 8694.969620][ T10] do_syscall_64+0xc6/0x1e0 [ 8694.969620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8694.969620][ T10] [ 8694.971633][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8694.971633][ T10] dst_init+0x84/0x4a0 [ 8694.971633][ T10] dst_alloc+0x97/0x150 [ 8694.971633][ T10] ip6_dst_alloc+0x23/0x90 [ 8694.971633][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8694.971633][ T10] ip6_pol_route+0x56f/0x840 [ 8694.971633][ T10] fib6_rule_lookup+0x334/0x630 [ 8694.971633][ T10] ip6_route_output_flags+0x259/0x480 [ 8694.971633][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8694.971633][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8694.971633][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8694.971633][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 8694.971633][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 8694.971633][ T10] ___sys_sendmsg+0xee/0x170 [ 8694.971633][ T10] __sys_sendmsg+0xcd/0x170 [ 8694.971633][ T10] do_syscall_64+0xc6/0x1e0 [ 8694.971633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8694.971633][ T10] [ 8694.973653][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8694.973653][ T10] netdev_get_by_index+0x5e/0x80 [ 8694.973653][ T10] fib6_nh_init+0x3d8/0x1580 [ 8694.973653][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8694.973653][ T10] ip6_route_add+0x1c/0x140 [ 8694.973653][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8694.973653][ T10] inet6_addr_add+0x4f8/0xa40 [ 8694.973653][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8694.973653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8694.973653][ T10] netlink_rcv_skb+0x130/0x360 [ 8694.973653][ T10] netlink_unicast+0x449/0x710 [ 8694.973653][ T10] netlink_sendmsg+0x723/0xbe0 [ 8694.973653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8694.973653][ T10] ___sys_sendmsg+0xee/0x170 [ 8694.973653][ T10] __sys_sendmsg+0xcd/0x170 [ 8694.973653][ T10] do_syscall_64+0xc6/0x1e0 [ 8694.973653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8694.973653][ T10] [ 8694.975683][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8694.975683][ T10] netdev_get_by_index+0x5e/0x80 [ 8694.975683][ T10] fib6_nh_init+0x3d8/0x1580 [ 8694.975683][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8694.975683][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8694.975683][ T10] ipv6_add_addr+0x411/0x2000 [ 8694.975683][ T10] inet6_addr_add+0x30e/0xa40 [ 8694.975683][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8694.975683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8694.975683][ T10] netlink_rcv_skb+0x130/0x360 [ 8694.975683][ T10] netlink_unicast+0x449/0x710 [ 8694.975683][ T10] netlink_sendmsg+0x723/0xbe0 [ 8694.975683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8694.975683][ T10] ___sys_sendmsg+0xee/0x170 [ 8694.975683][ T10] __sys_sendmsg+0xcd/0x170 [ 8694.975683][ T10] do_syscall_64+0xc6/0x1e0 [ 8694.975683][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8694.975683][ T10] [ 8694.977691][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8694.977691][ T10] netdev_get_by_index+0x5e/0x80 [ 8694.977691][ T10] fib6_nh_init+0x3d8/0x1580 [ 8694.977691][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8694.977691][ T10] ip6_route_add+0x1c/0x140 [ 8694.977691][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8694.977691][ T10] addrconf_add_dev+0xe2/0x170 [ 8694.977691][ T10] inet6_addr_add+0x12f/0xa40 [ 8694.977691][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8694.977691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8694.977691][ T10] netlink_rcv_skb+0x130/0x360 [ 8694.977691][ T10] netlink_unicast+0x449/0x710 [ 8694.977691][ T10] netlink_sendmsg+0x723/0xbe0 [ 8694.977691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8694.977691][ T10] ___sys_sendmsg+0xee/0x170 [ 8694.977691][ T10] __sys_sendmsg+0xcd/0x170 [ 8694.977691][ T10] do_syscall_64+0xc6/0x1e0 [ 8694.977691][ T10] [ 8694.979676][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8694.979676][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8694.979676][ T10] ipv6_find_idev+0x102/0x170 [ 8694.979676][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8694.979676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8694.979676][ T10] netlink_rcv_skb+0x130/0x360 [ 8694.979676][ T10] netlink_unicast+0x449/0x710 [ 8694.979676][ T10] netlink_sendmsg+0x723/0xbe0 [ 8694.979676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8694.979676][ T10] ___sys_sendmsg+0xee/0x170 [ 8694.979676][ T10] __sys_sendmsg+0xcd/0x170 [ 8694.979676][ T10] do_syscall_64+0xc6/0x1e0 [ 8694.979676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8694.979676][ T10] [ 8694.981224][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8694.981224][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8694.981224][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8694.981224][ T10] ipv6_find_idev+0x102/0x170 [ 8694.981224][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8694.981224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8694.981224][ T10] netlink_rcv_skb+0x130/0x360 [ 8694.981224][ T10] netlink_unicast+0x449/0x710 [ 8694.981224][ T10] netlink_sendmsg+0x723/0xbe0 [ 8694.981224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8694.981224][ T10] ___sys_sendmsg+0xee/0x170 [ 8694.981224][ T10] __sys_sendmsg+0xcd/0x170 [ 8694.981224][ T10] do_syscall_64+0xc6/0x1e0 [ 8694.981224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8694.981224][ T10] [ 8695.254802][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8695.255222][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8695.255222][T12167] netdev_get_by_index+0x5e/0x80 [ 8695.255222][T12167] fib6_nh_init+0x3d8/0x1580 [ 8695.255222][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8695.255222][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8695.255222][T12167] ipv6_add_addr+0x411/0x2000 [ 8695.255222][T12167] inet6_addr_add+0x30e/0xa40 [ 8695.255222][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8695.255222][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8695.255222][T12167] netlink_rcv_skb+0x130/0x360 [ 8695.255222][T12167] netlink_unicast+0x449/0x710 [ 8695.255222][T12167] netlink_sendmsg+0x723/0xbe0 [ 8695.255222][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8695.255222][T12167] ___sys_sendmsg+0xee/0x170 [ 8695.255222][T12167] __sys_sendmsg+0xcd/0x170 [ 8695.255222][T12167] do_syscall_64+0xc6/0x1e0 [ 8695.255222][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8695.255222][T12167] [ 8695.257504][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8695.257504][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8695.257504][T12167] ipv6_find_idev+0x102/0x170 [ 8695.257504][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8695.257504][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8695.257504][T12167] netlink_rcv_skb+0x130/0x360 [ 8695.257504][T12167] netlink_unicast+0x449/0x710 [ 8695.257504][T12167] netlink_sendmsg+0x723/0xbe0 [ 8695.257504][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8695.257504][T12167] ___sys_sendmsg+0xee/0x170 [ 8695.257504][T12167] __sys_sendmsg+0xcd/0x170 [ 8695.257504][T12167] do_syscall_64+0xc6/0x1e0 [ 8695.257504][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8695.257504][T12167] [ 8695.259234][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8695.259234][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8695.259234][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8695.259234][T12167] ipv6_find_idev+0x102/0x170 [ 8695.259234][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8695.259234][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8695.259234][T12167] netlink_rcv_skb+0x130/0x360 [ 8695.259234][T12167] netlink_unicast+0x449/0x710 [ 8695.259234][T12167] netlink_sendmsg+0x723/0xbe0 [ 8695.259234][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8695.259234][T12167] ___sys_sendmsg+0xee/0x170 [ 8695.259234][T12167] __sys_sendmsg+0xcd/0x170 [ 8695.259234][T12167] do_syscall_64+0xc6/0x1e0 [ 8695.259234][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8695.259234][T12167] [ 8705.230807][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 8705.231209][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 8705.231209][ T10] dst_init+0x84/0x4a0 [ 8705.231209][ T10] dst_alloc+0x97/0x150 [ 8705.231209][ T10] ip6_dst_alloc+0x23/0x90 [ 8705.231209][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8705.231209][ T10] ip6_pol_route+0x56f/0x840 [ 8705.231209][ T10] fib6_rule_lookup+0x334/0x630 [ 8705.231209][ T10] ip6_route_output_flags+0x259/0x480 [ 8705.231209][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8705.231209][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8705.231209][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 8705.231209][ T10] ____sys_sendmsg+0x772/0xa10 [ 8705.231209][ T10] ___sys_sendmsg+0xee/0x170 [ 8705.231209][ T10] __sys_sendmsg+0xcd/0x170 [ 8705.231209][ T10] do_syscall_64+0xc6/0x1e0 [ 8705.231209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8705.231209][ T10] [ 8705.233137][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8705.233137][ T10] dst_init+0x84/0x4a0 [ 8705.233137][ T10] dst_alloc+0x97/0x150 [ 8705.233137][ T10] ip6_dst_alloc+0x23/0x90 [ 8705.233137][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8705.233137][ T10] ip6_pol_route+0x56f/0x840 [ 8705.233137][ T10] fib6_rule_lookup+0x334/0x630 [ 8705.233137][ T10] ip6_route_output_flags+0x259/0x480 [ 8705.233137][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8705.233137][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8705.233137][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8705.233137][ T10] ping_v6_sendmsg+0x763/0x1150 [ 8705.233137][ T10] ____sys_sendmsg+0x772/0xa10 [ 8705.233137][ T10] ___sys_sendmsg+0xee/0x170 [ 8705.233137][ T10] __sys_sendmsg+0xcd/0x170 [ 8705.233137][ T10] do_syscall_64+0xc6/0x1e0 [ 8705.233137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8705.233137][ T10] [ 8705.235164][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8705.235164][ T10] dst_init+0x84/0x4a0 [ 8705.235164][ T10] dst_alloc+0x97/0x150 [ 8705.235164][ T10] ip6_dst_alloc+0x23/0x90 [ 8705.235164][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8705.235164][ T10] ip6_pol_route+0x56f/0x840 [ 8705.235164][ T10] fib6_rule_lookup+0x334/0x630 [ 8705.235164][ T10] ip6_route_output_flags+0x259/0x480 [ 8705.235164][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8705.235164][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8705.235164][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8705.235164][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 8705.235164][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 8705.235164][ T10] ___sys_sendmsg+0xee/0x170 [ 8705.235164][ T10] __sys_sendmsg+0xcd/0x170 [ 8705.235164][ T10] do_syscall_64+0xc6/0x1e0 [ 8705.235164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8705.235164][ T10] [ 8705.237183][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8705.237183][ T10] netdev_get_by_index+0x5e/0x80 [ 8705.237183][ T10] fib6_nh_init+0x3d8/0x1580 [ 8705.237183][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8705.237183][ T10] ip6_route_add+0x1c/0x140 [ 8705.237183][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8705.237183][ T10] inet6_addr_add+0x4f8/0xa40 [ 8705.237183][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8705.237183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8705.237183][ T10] netlink_rcv_skb+0x130/0x360 [ 8705.237183][ T10] netlink_unicast+0x449/0x710 [ 8705.237183][ T10] netlink_sendmsg+0x723/0xbe0 [ 8705.237183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8705.237183][ T10] ___sys_sendmsg+0xee/0x170 [ 8705.237183][ T10] __sys_sendmsg+0xcd/0x170 [ 8705.237183][ T10] do_syscall_64+0xc6/0x1e0 [ 8705.237183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8705.237183][ T10] [ 8705.239203][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8705.239203][ T10] netdev_get_by_index+0x5e/0x80 [ 8705.239203][ T10] fib6_nh_init+0x3d8/0x1580 [ 8705.239203][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8705.239203][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8705.239203][ T10] ipv6_add_addr+0x411/0x2000 [ 8705.239203][ T10] inet6_addr_add+0x30e/0xa40 [ 8705.239203][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8705.239203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8705.239203][ T10] netlink_rcv_skb+0x130/0x360 [ 8705.239203][ T10] netlink_unicast+0x449/0x710 [ 8705.239203][ T10] netlink_sendmsg+0x723/0xbe0 [ 8705.239203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8705.239203][ T10] ___sys_sendmsg+0xee/0x170 [ 8705.239203][ T10] __sys_sendmsg+0xcd/0x170 [ 8705.239203][ T10] do_syscall_64+0xc6/0x1e0 [ 8705.239203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8705.239203][ T10] [ 8705.241239][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8705.241239][ T10] netdev_get_by_index+0x5e/0x80 [ 8705.241239][ T10] fib6_nh_init+0x3d8/0x1580 [ 8705.241239][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8705.241239][ T10] ip6_route_add+0x1c/0x140 [ 8705.241239][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8705.241239][ T10] addrconf_add_dev+0xe2/0x170 [ 8705.241239][ T10] inet6_addr_add+0x12f/0xa40 [ 8705.241239][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8705.241239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8705.241239][ T10] netlink_rcv_skb+0x130/0x360 [ 8705.241239][ T10] netlink_unicast+0x449/0x710 [ 8705.241239][ T10] netlink_sendmsg+0x723/0xbe0 [ 8705.241239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8705.241239][ T10] ___sys_sendmsg+0xee/0x170 [ 8705.241239][ T10] __sys_sendmsg+0xcd/0x170 [ 8705.241239][ T10] do_syscall_64+0xc6/0x1e0 [ 8705.241239][ T10] [ 8705.243232][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8705.243232][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8705.243232][ T10] ipv6_find_idev+0x102/0x170 [ 8705.243232][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8705.243232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8705.243232][ T10] netlink_rcv_skb+0x130/0x360 [ 8705.243232][ T10] netlink_unicast+0x449/0x710 [ 8705.243232][ T10] netlink_sendmsg+0x723/0xbe0 [ 8705.243232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8705.243232][ T10] ___sys_sendmsg+0xee/0x170 [ 8705.243232][ T10] __sys_sendmsg+0xcd/0x170 [ 8705.243232][ T10] do_syscall_64+0xc6/0x1e0 [ 8705.243232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8705.243232][ T10] [ 8705.244793][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8705.244793][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8705.244793][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8705.244793][ T10] ipv6_find_idev+0x102/0x170 [ 8705.244793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8705.244793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8705.244793][ T10] netlink_rcv_skb+0x130/0x360 [ 8705.244793][ T10] netlink_unicast+0x449/0x710 [ 8705.244793][ T10] netlink_sendmsg+0x723/0xbe0 [ 8705.244793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8705.244793][ T10] ___sys_sendmsg+0xee/0x170 [ 8705.244793][ T10] __sys_sendmsg+0xcd/0x170 [ 8705.244793][ T10] do_syscall_64+0xc6/0x1e0 [ 8705.244793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8705.244793][ T10] [ 8705.510802][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8705.511163][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8705.511163][T12167] netdev_get_by_index+0x5e/0x80 [ 8705.511163][T12167] fib6_nh_init+0x3d8/0x1580 [ 8705.511163][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8705.511163][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8705.511163][T12167] ipv6_add_addr+0x411/0x2000 [ 8705.511163][T12167] inet6_addr_add+0x30e/0xa40 [ 8705.511163][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8705.511163][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8705.511163][T12167] netlink_rcv_skb+0x130/0x360 [ 8705.511163][T12167] netlink_unicast+0x449/0x710 [ 8705.511163][T12167] netlink_sendmsg+0x723/0xbe0 [ 8705.511163][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8705.511163][T12167] ___sys_sendmsg+0xee/0x170 [ 8705.511163][T12167] __sys_sendmsg+0xcd/0x170 [ 8705.511163][T12167] do_syscall_64+0xc6/0x1e0 [ 8705.511163][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8705.511163][T12167] [ 8705.513436][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8705.513436][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8705.513436][T12167] ipv6_find_idev+0x102/0x170 [ 8705.513436][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8705.513436][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8705.513436][T12167] netlink_rcv_skb+0x130/0x360 [ 8705.513436][T12167] netlink_unicast+0x449/0x710 [ 8705.513436][T12167] netlink_sendmsg+0x723/0xbe0 [ 8705.513436][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8705.513436][T12167] ___sys_sendmsg+0xee/0x170 [ 8705.513436][T12167] __sys_sendmsg+0xcd/0x170 [ 8705.513436][T12167] do_syscall_64+0xc6/0x1e0 [ 8705.513436][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8705.513436][T12167] [ 8705.515196][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8705.515196][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8705.515196][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8705.515196][T12167] ipv6_find_idev+0x102/0x170 [ 8705.515196][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8705.515196][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8705.515196][T12167] netlink_rcv_skb+0x130/0x360 [ 8705.515196][T12167] netlink_unicast+0x449/0x710 [ 8705.515196][T12167] netlink_sendmsg+0x723/0xbe0 [ 8705.515196][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8705.515196][T12167] ___sys_sendmsg+0xee/0x170 [ 8705.515196][T12167] __sys_sendmsg+0xcd/0x170 [ 8705.515196][T12167] do_syscall_64+0xc6/0x1e0 [ 8705.515196][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8705.515196][T12167] [ 8715.486820][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 8715.487245][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 8715.487245][ T10] dst_init+0x84/0x4a0 [ 8715.487245][ T10] dst_alloc+0x97/0x150 [ 8715.487245][ T10] ip6_dst_alloc+0x23/0x90 [ 8715.487245][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8715.487245][ T10] ip6_pol_route+0x56f/0x840 [ 8715.487245][ T10] fib6_rule_lookup+0x334/0x630 [ 8715.487245][ T10] ip6_route_output_flags+0x259/0x480 [ 8715.487245][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8715.487245][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8715.487245][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 8715.487245][ T10] ____sys_sendmsg+0x772/0xa10 [ 8715.487245][ T10] ___sys_sendmsg+0xee/0x170 [ 8715.487245][ T10] __sys_sendmsg+0xcd/0x170 [ 8715.487245][ T10] do_syscall_64+0xc6/0x1e0 [ 8715.487245][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8715.487245][ T10] [ 8715.489193][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8715.489193][ T10] dst_init+0x84/0x4a0 [ 8715.489193][ T10] dst_alloc+0x97/0x150 [ 8715.489193][ T10] ip6_dst_alloc+0x23/0x90 [ 8715.489193][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8715.489193][ T10] ip6_pol_route+0x56f/0x840 [ 8715.489193][ T10] fib6_rule_lookup+0x334/0x630 [ 8715.489193][ T10] ip6_route_output_flags+0x259/0x480 [ 8715.489193][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8715.489193][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8715.489193][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8715.489193][ T10] ping_v6_sendmsg+0x763/0x1150 [ 8715.489193][ T10] ____sys_sendmsg+0x772/0xa10 [ 8715.489193][ T10] ___sys_sendmsg+0xee/0x170 [ 8715.489193][ T10] __sys_sendmsg+0xcd/0x170 [ 8715.489193][ T10] do_syscall_64+0xc6/0x1e0 [ 8715.489193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8715.489193][ T10] [ 8715.491236][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8715.491236][ T10] dst_init+0x84/0x4a0 [ 8715.491236][ T10] dst_alloc+0x97/0x150 [ 8715.491236][ T10] ip6_dst_alloc+0x23/0x90 [ 8715.491236][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8715.491236][ T10] ip6_pol_route+0x56f/0x840 [ 8715.491236][ T10] fib6_rule_lookup+0x334/0x630 [ 8715.491236][ T10] ip6_route_output_flags+0x259/0x480 [ 8715.491236][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8715.491236][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8715.491236][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8715.491236][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 8715.491236][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 8715.491236][ T10] ___sys_sendmsg+0xee/0x170 [ 8715.491236][ T10] __sys_sendmsg+0xcd/0x170 [ 8715.491236][ T10] do_syscall_64+0xc6/0x1e0 [ 8715.491236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8715.491236][ T10] [ 8715.493281][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8715.493281][ T10] netdev_get_by_index+0x5e/0x80 [ 8715.493281][ T10] fib6_nh_init+0x3d8/0x1580 [ 8715.493281][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8715.493281][ T10] ip6_route_add+0x1c/0x140 [ 8715.493281][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8715.493281][ T10] inet6_addr_add+0x4f8/0xa40 [ 8715.493281][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8715.493281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8715.493281][ T10] netlink_rcv_skb+0x130/0x360 [ 8715.493281][ T10] netlink_unicast+0x449/0x710 [ 8715.493281][ T10] netlink_sendmsg+0x723/0xbe0 [ 8715.493281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8715.493281][ T10] ___sys_sendmsg+0xee/0x170 [ 8715.493281][ T10] __sys_sendmsg+0xcd/0x170 [ 8715.493281][ T10] do_syscall_64+0xc6/0x1e0 [ 8715.493281][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8715.493281][ T10] [ 8715.495333][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8715.495333][ T10] netdev_get_by_index+0x5e/0x80 [ 8715.495333][ T10] fib6_nh_init+0x3d8/0x1580 [ 8715.495333][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8715.495333][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8715.495333][ T10] ipv6_add_addr+0x411/0x2000 [ 8715.495333][ T10] inet6_addr_add+0x30e/0xa40 [ 8715.495333][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8715.495333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8715.495333][ T10] netlink_rcv_skb+0x130/0x360 [ 8715.495333][ T10] netlink_unicast+0x449/0x710 [ 8715.495333][ T10] netlink_sendmsg+0x723/0xbe0 [ 8715.495333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8715.495333][ T10] ___sys_sendmsg+0xee/0x170 [ 8715.495333][ T10] __sys_sendmsg+0xcd/0x170 [ 8715.495333][ T10] do_syscall_64+0xc6/0x1e0 [ 8715.495333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8715.495333][ T10] [ 8715.497458][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8715.497458][ T10] netdev_get_by_index+0x5e/0x80 [ 8715.497458][ T10] fib6_nh_init+0x3d8/0x1580 [ 8715.497458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8715.497458][ T10] ip6_route_add+0x1c/0x140 [ 8715.497458][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8715.497458][ T10] addrconf_add_dev+0xe2/0x170 [ 8715.497458][ T10] inet6_addr_add+0x12f/0xa40 [ 8715.497458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8715.497458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8715.497458][ T10] netlink_rcv_skb+0x130/0x360 [ 8715.497458][ T10] netlink_unicast+0x449/0x710 [ 8715.497458][ T10] netlink_sendmsg+0x723/0xbe0 [ 8715.497458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8715.497458][ T10] ___sys_sendmsg+0xee/0x170 [ 8715.497458][ T10] __sys_sendmsg+0xcd/0x170 [ 8715.497458][ T10] do_syscall_64+0xc6/0x1e0 [ 8715.497458][ T10] [ 8715.499462][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8715.499462][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8715.499462][ T10] ipv6_find_idev+0x102/0x170 [ 8715.499462][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8715.499462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8715.499462][ T10] netlink_rcv_skb+0x130/0x360 [ 8715.499462][ T10] netlink_unicast+0x449/0x710 [ 8715.499462][ T10] netlink_sendmsg+0x723/0xbe0 [ 8715.499462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8715.499462][ T10] ___sys_sendmsg+0xee/0x170 [ 8715.499462][ T10] __sys_sendmsg+0xcd/0x170 [ 8715.499462][ T10] do_syscall_64+0xc6/0x1e0 [ 8715.499462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8715.499462][ T10] [ 8715.501037][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8715.501037][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8715.501037][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8715.501037][ T10] ipv6_find_idev+0x102/0x170 [ 8715.501037][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8715.501037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8715.501037][ T10] netlink_rcv_skb+0x130/0x360 [ 8715.501037][ T10] netlink_unicast+0x449/0x710 [ 8715.501037][ T10] netlink_sendmsg+0x723/0xbe0 [ 8715.501037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8715.501037][ T10] ___sys_sendmsg+0xee/0x170 [ 8715.501037][ T10] __sys_sendmsg+0xcd/0x170 [ 8715.501037][ T10] do_syscall_64+0xc6/0x1e0 [ 8715.501037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8715.501037][ T10] [ 8715.766823][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8715.767249][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8715.767249][T12167] netdev_get_by_index+0x5e/0x80 [ 8715.767249][T12167] fib6_nh_init+0x3d8/0x1580 [ 8715.767249][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8715.767249][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8715.767249][T12167] ipv6_add_addr+0x411/0x2000 [ 8715.767249][T12167] inet6_addr_add+0x30e/0xa40 [ 8715.767249][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8715.767249][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8715.767249][T12167] netlink_rcv_skb+0x130/0x360 [ 8715.767249][T12167] netlink_unicast+0x449/0x710 [ 8715.767249][T12167] netlink_sendmsg+0x723/0xbe0 [ 8715.767249][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8715.767249][T12167] ___sys_sendmsg+0xee/0x170 [ 8715.767249][T12167] __sys_sendmsg+0xcd/0x170 [ 8715.767249][T12167] do_syscall_64+0xc6/0x1e0 [ 8715.767249][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8715.767249][T12167] [ 8715.769518][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8715.769518][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8715.769518][T12167] ipv6_find_idev+0x102/0x170 [ 8715.769518][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8715.769518][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8715.769518][T12167] netlink_rcv_skb+0x130/0x360 [ 8715.769518][T12167] netlink_unicast+0x449/0x710 [ 8715.769518][T12167] netlink_sendmsg+0x723/0xbe0 [ 8715.769518][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8715.769518][T12167] ___sys_sendmsg+0xee/0x170 [ 8715.769518][T12167] __sys_sendmsg+0xcd/0x170 [ 8715.769518][T12167] do_syscall_64+0xc6/0x1e0 [ 8715.769518][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8715.769518][T12167] [ 8715.771252][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8715.771252][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8715.771252][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8715.771252][T12167] ipv6_find_idev+0x102/0x170 [ 8715.771252][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8715.771252][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8715.771252][T12167] netlink_rcv_skb+0x130/0x360 [ 8715.771252][T12167] netlink_unicast+0x449/0x710 [ 8715.771252][T12167] netlink_sendmsg+0x723/0xbe0 [ 8715.771252][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8715.771252][T12167] ___sys_sendmsg+0xee/0x170 [ 8715.771252][T12167] __sys_sendmsg+0xcd/0x170 [ 8715.771252][T12167] do_syscall_64+0xc6/0x1e0 [ 8715.771252][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8715.771252][T12167] [ 8725.606806][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 8725.607285][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 8725.607285][ T10] dst_init+0x84/0x4a0 [ 8725.607285][ T10] dst_alloc+0x97/0x150 [ 8725.607285][ T10] ip6_dst_alloc+0x23/0x90 [ 8725.607285][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8725.607285][ T10] ip6_pol_route+0x56f/0x840 [ 8725.607285][ T10] fib6_rule_lookup+0x334/0x630 [ 8725.607285][ T10] ip6_route_output_flags+0x259/0x480 [ 8725.607285][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8725.607285][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8725.607285][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 8725.607285][ T10] ____sys_sendmsg+0x772/0xa10 [ 8725.607285][ T10] ___sys_sendmsg+0xee/0x170 [ 8725.607285][ T10] __sys_sendmsg+0xcd/0x170 [ 8725.607285][ T10] do_syscall_64+0xc6/0x1e0 [ 8725.607285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8725.607285][ T10] [ 8725.609193][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8725.609193][ T10] dst_init+0x84/0x4a0 [ 8725.609193][ T10] dst_alloc+0x97/0x150 [ 8725.609193][ T10] ip6_dst_alloc+0x23/0x90 [ 8725.609193][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8725.609193][ T10] ip6_pol_route+0x56f/0x840 [ 8725.609193][ T10] fib6_rule_lookup+0x334/0x630 [ 8725.609193][ T10] ip6_route_output_flags+0x259/0x480 [ 8725.609193][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8725.609193][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8725.609193][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8725.609193][ T10] ping_v6_sendmsg+0x763/0x1150 [ 8725.609193][ T10] ____sys_sendmsg+0x772/0xa10 [ 8725.609193][ T10] ___sys_sendmsg+0xee/0x170 [ 8725.609193][ T10] __sys_sendmsg+0xcd/0x170 [ 8725.609193][ T10] do_syscall_64+0xc6/0x1e0 [ 8725.609193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8725.609193][ T10] [ 8725.611210][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8725.611210][ T10] dst_init+0x84/0x4a0 [ 8725.611210][ T10] dst_alloc+0x97/0x150 [ 8725.611210][ T10] ip6_dst_alloc+0x23/0x90 [ 8725.611210][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8725.611210][ T10] ip6_pol_route+0x56f/0x840 [ 8725.611210][ T10] fib6_rule_lookup+0x334/0x630 [ 8725.611210][ T10] ip6_route_output_flags+0x259/0x480 [ 8725.611210][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8725.611210][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8725.611210][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8725.611210][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 8725.611210][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 8725.611210][ T10] ___sys_sendmsg+0xee/0x170 [ 8725.611210][ T10] __sys_sendmsg+0xcd/0x170 [ 8725.611210][ T10] do_syscall_64+0xc6/0x1e0 [ 8725.611210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8725.611210][ T10] [ 8725.613220][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8725.613220][ T10] netdev_get_by_index+0x5e/0x80 [ 8725.613220][ T10] fib6_nh_init+0x3d8/0x1580 [ 8725.613220][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8725.613220][ T10] ip6_route_add+0x1c/0x140 [ 8725.613220][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8725.613220][ T10] inet6_addr_add+0x4f8/0xa40 [ 8725.613220][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8725.613220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8725.613220][ T10] netlink_rcv_skb+0x130/0x360 [ 8725.613220][ T10] netlink_unicast+0x449/0x710 [ 8725.613220][ T10] netlink_sendmsg+0x723/0xbe0 [ 8725.613220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8725.613220][ T10] ___sys_sendmsg+0xee/0x170 [ 8725.613220][ T10] __sys_sendmsg+0xcd/0x170 [ 8725.613220][ T10] do_syscall_64+0xc6/0x1e0 [ 8725.613220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8725.613220][ T10] [ 8725.615240][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8725.615240][ T10] netdev_get_by_index+0x5e/0x80 [ 8725.615240][ T10] fib6_nh_init+0x3d8/0x1580 [ 8725.615240][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8725.615240][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8725.615240][ T10] ipv6_add_addr+0x411/0x2000 [ 8725.615240][ T10] inet6_addr_add+0x30e/0xa40 [ 8725.615240][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8725.615240][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8725.615240][ T10] netlink_rcv_skb+0x130/0x360 [ 8725.615240][ T10] netlink_unicast+0x449/0x710 [ 8725.615240][ T10] netlink_sendmsg+0x723/0xbe0 [ 8725.615240][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8725.615240][ T10] ___sys_sendmsg+0xee/0x170 [ 8725.615240][ T10] __sys_sendmsg+0xcd/0x170 [ 8725.615240][ T10] do_syscall_64+0xc6/0x1e0 [ 8725.615240][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8725.615240][ T10] [ 8725.617317][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8725.617317][ T10] netdev_get_by_index+0x5e/0x80 [ 8725.617317][ T10] fib6_nh_init+0x3d8/0x1580 [ 8725.617317][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8725.617317][ T10] ip6_route_add+0x1c/0x140 [ 8725.617317][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8725.617317][ T10] addrconf_add_dev+0xe2/0x170 [ 8725.617317][ T10] inet6_addr_add+0x12f/0xa40 [ 8725.617317][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8725.617317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8725.617317][ T10] netlink_rcv_skb+0x130/0x360 [ 8725.617317][ T10] netlink_unicast+0x449/0x710 [ 8725.617317][ T10] netlink_sendmsg+0x723/0xbe0 [ 8725.617317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8725.617317][ T10] ___sys_sendmsg+0xee/0x170 [ 8725.617317][ T10] __sys_sendmsg+0xcd/0x170 [ 8725.617317][ T10] do_syscall_64+0xc6/0x1e0 [ 8725.617317][ T10] [ 8725.619296][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8725.619296][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8725.619296][ T10] ipv6_find_idev+0x102/0x170 [ 8725.619296][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8725.619296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8725.619296][ T10] netlink_rcv_skb+0x130/0x360 [ 8725.619296][ T10] netlink_unicast+0x449/0x710 [ 8725.619296][ T10] netlink_sendmsg+0x723/0xbe0 [ 8725.619296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8725.619296][ T10] ___sys_sendmsg+0xee/0x170 [ 8725.619296][ T10] __sys_sendmsg+0xcd/0x170 [ 8725.619296][ T10] do_syscall_64+0xc6/0x1e0 [ 8725.619296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8725.619296][ T10] [ 8725.620849][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8725.620849][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8725.620849][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8725.620849][ T10] ipv6_find_idev+0x102/0x170 [ 8725.620849][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8725.620849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8725.620849][ T10] netlink_rcv_skb+0x130/0x360 [ 8725.620849][ T10] netlink_unicast+0x449/0x710 [ 8725.620849][ T10] netlink_sendmsg+0x723/0xbe0 [ 8725.620849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8725.620849][ T10] ___sys_sendmsg+0xee/0x170 [ 8725.620849][ T10] __sys_sendmsg+0xcd/0x170 [ 8725.620849][ T10] do_syscall_64+0xc6/0x1e0 [ 8725.620849][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8725.620849][ T10] [ 8725.878856][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8725.879287][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8725.879287][T12167] netdev_get_by_index+0x5e/0x80 [ 8725.879287][T12167] fib6_nh_init+0x3d8/0x1580 [ 8725.879287][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8725.879287][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8725.879287][T12167] ipv6_add_addr+0x411/0x2000 [ 8725.879287][T12167] inet6_addr_add+0x30e/0xa40 [ 8725.879287][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8725.879287][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8725.879287][T12167] netlink_rcv_skb+0x130/0x360 [ 8725.879287][T12167] netlink_unicast+0x449/0x710 [ 8725.879287][T12167] netlink_sendmsg+0x723/0xbe0 [ 8725.879287][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8725.879287][T12167] ___sys_sendmsg+0xee/0x170 [ 8725.879287][T12167] __sys_sendmsg+0xcd/0x170 [ 8725.879287][T12167] do_syscall_64+0xc6/0x1e0 [ 8725.879287][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8725.879287][T12167] [ 8725.881568][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8725.881568][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8725.881568][T12167] ipv6_find_idev+0x102/0x170 [ 8725.881568][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8725.881568][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8725.881568][T12167] netlink_rcv_skb+0x130/0x360 [ 8725.881568][T12167] netlink_unicast+0x449/0x710 [ 8725.881568][T12167] netlink_sendmsg+0x723/0xbe0 [ 8725.881568][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8725.881568][T12167] ___sys_sendmsg+0xee/0x170 [ 8725.881568][T12167] __sys_sendmsg+0xcd/0x170 [ 8725.881568][T12167] do_syscall_64+0xc6/0x1e0 [ 8725.881568][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8725.881568][T12167] [ 8725.883300][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8725.883300][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8725.883300][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8725.883300][T12167] ipv6_find_idev+0x102/0x170 [ 8725.883300][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8725.883300][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8725.883300][T12167] netlink_rcv_skb+0x130/0x360 [ 8725.883300][T12167] netlink_unicast+0x449/0x710 [ 8725.883300][T12167] netlink_sendmsg+0x723/0xbe0 [ 8725.883300][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8725.883300][T12167] ___sys_sendmsg+0xee/0x170 [ 8725.883300][T12167] __sys_sendmsg+0xcd/0x170 [ 8725.883300][T12167] do_syscall_64+0xc6/0x1e0 [ 8725.883300][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8725.883300][T12167] [ 8735.862812][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 8735.863220][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 8735.863220][ T10] dst_init+0x84/0x4a0 [ 8735.863220][ T10] dst_alloc+0x97/0x150 [ 8735.863220][ T10] ip6_dst_alloc+0x23/0x90 [ 8735.863220][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8735.863220][ T10] ip6_pol_route+0x56f/0x840 [ 8735.863220][ T10] fib6_rule_lookup+0x334/0x630 [ 8735.863220][ T10] ip6_route_output_flags+0x259/0x480 [ 8735.863220][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8735.863220][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8735.863220][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 8735.863220][ T10] ____sys_sendmsg+0x772/0xa10 [ 8735.863220][ T10] ___sys_sendmsg+0xee/0x170 [ 8735.863220][ T10] __sys_sendmsg+0xcd/0x170 [ 8735.863220][ T10] do_syscall_64+0xc6/0x1e0 [ 8735.863220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8735.863220][ T10] [ 8735.865160][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8735.865160][ T10] dst_init+0x84/0x4a0 [ 8735.865160][ T10] dst_alloc+0x97/0x150 [ 8735.865160][ T10] ip6_dst_alloc+0x23/0x90 [ 8735.865160][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8735.865160][ T10] ip6_pol_route+0x56f/0x840 [ 8735.865160][ T10] fib6_rule_lookup+0x334/0x630 [ 8735.865160][ T10] ip6_route_output_flags+0x259/0x480 [ 8735.865160][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8735.865160][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8735.865160][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8735.865160][ T10] ping_v6_sendmsg+0x763/0x1150 [ 8735.865160][ T10] ____sys_sendmsg+0x772/0xa10 [ 8735.865160][ T10] ___sys_sendmsg+0xee/0x170 [ 8735.865160][ T10] __sys_sendmsg+0xcd/0x170 [ 8735.865160][ T10] do_syscall_64+0xc6/0x1e0 [ 8735.865160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8735.865160][ T10] [ 8735.867182][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8735.867182][ T10] dst_init+0x84/0x4a0 [ 8735.867182][ T10] dst_alloc+0x97/0x150 [ 8735.867182][ T10] ip6_dst_alloc+0x23/0x90 [ 8735.867182][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8735.867182][ T10] ip6_pol_route+0x56f/0x840 [ 8735.867182][ T10] fib6_rule_lookup+0x334/0x630 [ 8735.867182][ T10] ip6_route_output_flags+0x259/0x480 [ 8735.867182][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8735.867182][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8735.867182][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8735.867182][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 8735.867182][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 8735.867182][ T10] ___sys_sendmsg+0xee/0x170 [ 8735.867182][ T10] __sys_sendmsg+0xcd/0x170 [ 8735.867182][ T10] do_syscall_64+0xc6/0x1e0 [ 8735.867182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8735.867182][ T10] [ 8735.869194][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8735.869194][ T10] netdev_get_by_index+0x5e/0x80 [ 8735.869194][ T10] fib6_nh_init+0x3d8/0x1580 [ 8735.869194][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8735.869194][ T10] ip6_route_add+0x1c/0x140 [ 8735.869194][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8735.869194][ T10] inet6_addr_add+0x4f8/0xa40 [ 8735.869194][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8735.869194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8735.869194][ T10] netlink_rcv_skb+0x130/0x360 [ 8735.869194][ T10] netlink_unicast+0x449/0x710 [ 8735.869194][ T10] netlink_sendmsg+0x723/0xbe0 [ 8735.869194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8735.869194][ T10] ___sys_sendmsg+0xee/0x170 [ 8735.869194][ T10] __sys_sendmsg+0xcd/0x170 [ 8735.869194][ T10] do_syscall_64+0xc6/0x1e0 [ 8735.869194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8735.869194][ T10] [ 8735.871201][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8735.871201][ T10] netdev_get_by_index+0x5e/0x80 [ 8735.871201][ T10] fib6_nh_init+0x3d8/0x1580 [ 8735.871201][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8735.871201][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8735.871201][ T10] ipv6_add_addr+0x411/0x2000 [ 8735.871201][ T10] inet6_addr_add+0x30e/0xa40 [ 8735.871201][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8735.871201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8735.871201][ T10] netlink_rcv_skb+0x130/0x360 [ 8735.871201][ T10] netlink_unicast+0x449/0x710 [ 8735.871201][ T10] netlink_sendmsg+0x723/0xbe0 [ 8735.871201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8735.871201][ T10] ___sys_sendmsg+0xee/0x170 [ 8735.871201][ T10] __sys_sendmsg+0xcd/0x170 [ 8735.871201][ T10] do_syscall_64+0xc6/0x1e0 [ 8735.871201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8735.871201][ T10] [ 8735.873204][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8735.873204][ T10] netdev_get_by_index+0x5e/0x80 [ 8735.873204][ T10] fib6_nh_init+0x3d8/0x1580 [ 8735.873204][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8735.873204][ T10] ip6_route_add+0x1c/0x140 [ 8735.873204][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8735.873204][ T10] addrconf_add_dev+0xe2/0x170 [ 8735.873204][ T10] inet6_addr_add+0x12f/0xa40 [ 8735.873204][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8735.873204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8735.873204][ T10] netlink_rcv_skb+0x130/0x360 [ 8735.873204][ T10] netlink_unicast+0x449/0x710 [ 8735.873204][ T10] netlink_sendmsg+0x723/0xbe0 [ 8735.873204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8735.873204][ T10] ___sys_sendmsg+0xee/0x170 [ 8735.873204][ T10] __sys_sendmsg+0xcd/0x170 [ 8735.873204][ T10] do_syscall_64+0xc6/0x1e0 [ 8735.873204][ T10] [ 8735.875184][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8735.875184][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8735.875184][ T10] ipv6_find_idev+0x102/0x170 [ 8735.875184][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8735.875184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8735.875184][ T10] netlink_rcv_skb+0x130/0x360 [ 8735.875184][ T10] netlink_unicast+0x449/0x710 [ 8735.875184][ T10] netlink_sendmsg+0x723/0xbe0 [ 8735.875184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8735.875184][ T10] ___sys_sendmsg+0xee/0x170 [ 8735.875184][ T10] __sys_sendmsg+0xcd/0x170 [ 8735.875184][ T10] do_syscall_64+0xc6/0x1e0 [ 8735.875184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8735.875184][ T10] [ 8735.876745][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8735.876745][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8735.876745][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8735.876745][ T10] ipv6_find_idev+0x102/0x170 [ 8735.876745][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8735.876745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8735.876745][ T10] netlink_rcv_skb+0x130/0x360 [ 8735.876745][ T10] netlink_unicast+0x449/0x710 [ 8735.876745][ T10] netlink_sendmsg+0x723/0xbe0 [ 8735.876745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8735.876745][ T10] ___sys_sendmsg+0xee/0x170 [ 8735.876745][ T10] __sys_sendmsg+0xcd/0x170 [ 8735.876745][ T10] do_syscall_64+0xc6/0x1e0 [ 8735.876745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8735.876745][ T10] [ 8735.886875][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8735.887224][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8735.887224][T12167] netdev_get_by_index+0x5e/0x80 [ 8735.887224][T12167] fib6_nh_init+0x3d8/0x1580 [ 8735.887224][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8735.887224][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8735.887224][T12167] ipv6_add_addr+0x411/0x2000 [ 8735.887224][T12167] inet6_addr_add+0x30e/0xa40 [ 8735.887224][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8735.887224][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8735.887224][T12167] netlink_rcv_skb+0x130/0x360 [ 8735.887224][T12167] netlink_unicast+0x449/0x710 [ 8735.887224][T12167] netlink_sendmsg+0x723/0xbe0 [ 8735.887224][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8735.887224][T12167] ___sys_sendmsg+0xee/0x170 [ 8735.887224][T12167] __sys_sendmsg+0xcd/0x170 [ 8735.887224][T12167] do_syscall_64+0xc6/0x1e0 [ 8735.887224][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8735.887224][T12167] [ 8735.889492][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8735.889492][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8735.889492][T12167] ipv6_find_idev+0x102/0x170 [ 8735.889492][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8735.889492][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8735.889492][T12167] netlink_rcv_skb+0x130/0x360 [ 8735.889492][T12167] netlink_unicast+0x449/0x710 [ 8735.889492][T12167] netlink_sendmsg+0x723/0xbe0 [ 8735.889492][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8735.889492][T12167] ___sys_sendmsg+0xee/0x170 [ 8735.889492][T12167] __sys_sendmsg+0xcd/0x170 [ 8735.889492][T12167] do_syscall_64+0xc6/0x1e0 [ 8735.889492][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8735.889492][T12167] [ 8735.891231][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8735.891231][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8735.891231][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8735.891231][T12167] ipv6_find_idev+0x102/0x170 [ 8735.891231][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8735.891231][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8735.891231][T12167] netlink_rcv_skb+0x130/0x360 [ 8735.891231][T12167] netlink_unicast+0x449/0x710 [ 8735.891231][T12167] netlink_sendmsg+0x723/0xbe0 [ 8735.891231][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8735.891231][T12167] ___sys_sendmsg+0xee/0x170 [ 8735.891231][T12167] __sys_sendmsg+0xcd/0x170 [ 8735.891231][T12167] do_syscall_64+0xc6/0x1e0 [ 8735.891231][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8735.891231][T12167] [ 8746.126899][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 8746.127307][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 8746.127307][ T10] dst_init+0x84/0x4a0 [ 8746.127307][ T10] dst_alloc+0x97/0x150 [ 8746.127307][ T10] ip6_dst_alloc+0x23/0x90 [ 8746.127307][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8746.127307][ T10] ip6_pol_route+0x56f/0x840 [ 8746.127307][ T10] fib6_rule_lookup+0x334/0x630 [ 8746.127307][ T10] ip6_route_output_flags+0x259/0x480 [ 8746.127307][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8746.127307][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8746.127307][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 8746.127307][ T10] ____sys_sendmsg+0x772/0xa10 [ 8746.127307][ T10] ___sys_sendmsg+0xee/0x170 [ 8746.127307][ T10] __sys_sendmsg+0xcd/0x170 [ 8746.127307][ T10] do_syscall_64+0xc6/0x1e0 [ 8746.127307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8746.127307][ T10] [ 8746.129229][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8746.129229][ T10] dst_init+0x84/0x4a0 [ 8746.129229][ T10] dst_alloc+0x97/0x150 [ 8746.129229][ T10] ip6_dst_alloc+0x23/0x90 [ 8746.129229][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8746.129229][ T10] ip6_pol_route+0x56f/0x840 [ 8746.129229][ T10] fib6_rule_lookup+0x334/0x630 [ 8746.129229][ T10] ip6_route_output_flags+0x259/0x480 [ 8746.129229][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8746.129229][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8746.129229][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8746.129229][ T10] ping_v6_sendmsg+0x763/0x1150 [ 8746.129229][ T10] ____sys_sendmsg+0x772/0xa10 [ 8746.129229][ T10] ___sys_sendmsg+0xee/0x170 [ 8746.129229][ T10] __sys_sendmsg+0xcd/0x170 [ 8746.129229][ T10] do_syscall_64+0xc6/0x1e0 [ 8746.129229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8746.129229][ T10] [ 8746.131255][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8746.131255][ T10] dst_init+0x84/0x4a0 [ 8746.131255][ T10] dst_alloc+0x97/0x150 [ 8746.131255][ T10] ip6_dst_alloc+0x23/0x90 [ 8746.131255][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8746.131255][ T10] ip6_pol_route+0x56f/0x840 [ 8746.131255][ T10] fib6_rule_lookup+0x334/0x630 [ 8746.131255][ T10] ip6_route_output_flags+0x259/0x480 [ 8746.131255][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8746.131255][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8746.131255][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8746.131255][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 8746.131255][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 8746.131255][ T10] ___sys_sendmsg+0xee/0x170 [ 8746.131255][ T10] __sys_sendmsg+0xcd/0x170 [ 8746.131255][ T10] do_syscall_64+0xc6/0x1e0 [ 8746.131255][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8746.131255][ T10] [ 8746.133274][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8746.133274][ T10] netdev_get_by_index+0x5e/0x80 [ 8746.133274][ T10] fib6_nh_init+0x3d8/0x1580 [ 8746.133274][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8746.133274][ T10] ip6_route_add+0x1c/0x140 [ 8746.133274][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8746.133274][ T10] inet6_addr_add+0x4f8/0xa40 [ 8746.133274][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8746.133274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8746.133274][ T10] netlink_rcv_skb+0x130/0x360 [ 8746.133274][ T10] netlink_unicast+0x449/0x710 [ 8746.133274][ T10] netlink_sendmsg+0x723/0xbe0 [ 8746.133274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8746.133274][ T10] ___sys_sendmsg+0xee/0x170 [ 8746.133274][ T10] __sys_sendmsg+0xcd/0x170 [ 8746.133274][ T10] do_syscall_64+0xc6/0x1e0 [ 8746.133274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8746.133274][ T10] [ 8746.134762][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8746.135300][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8746.135300][ T10] netdev_get_by_index+0x5e/0x80 [ 8746.135300][ T10] fib6_nh_init+0x3d8/0x1580 [ 8746.135300][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8746.135300][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8746.135300][ T10] ipv6_add_addr+0x411/0x2000 [ 8746.135300][ T10] inet6_addr_add+0x30e/0xa40 [ 8746.135300][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8746.135300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8746.135300][ T10] netlink_rcv_skb+0x130/0x360 [ 8746.135300][ T10] netlink_unicast+0x449/0x710 [ 8746.135300][ T10] netlink_sendmsg+0x723/0xbe0 [ 8746.135300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8746.135300][ T10] ___sys_sendmsg+0xee/0x170 [ 8746.135300][ T10] __sys_sendmsg+0xcd/0x170 [ 8746.135300][ T10] do_syscall_64+0xc6/0x1e0 [ 8746.135300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8746.135300][ T10] [ 8746.135806][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8746.135806][T12167] netdev_get_by_index+0x5e/0x80 [ 8746.135806][T12167] fib6_nh_init+0x3d8/0x1580 [ 8746.135806][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8746.135806][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8746.135806][T12167] ipv6_add_addr+0x411/0x2000 [ 8746.135806][T12167] inet6_addr_add+0x30e/0xa40 [ 8746.135806][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8746.135806][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8746.135806][T12167] netlink_rcv_skb+0x130/0x360 [ 8746.135806][T12167] netlink_unicast+0x449/0x710 [ 8746.135806][T12167] netlink_sendmsg+0x723/0xbe0 [ 8746.135806][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8746.135806][T12167] ___sys_sendmsg+0xee/0x170 [ 8746.135806][T12167] __sys_sendmsg+0xcd/0x170 [ 8746.135806][T12167] do_syscall_64+0xc6/0x1e0 [ 8746.135806][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8746.135806][T12167] [ 8746.137709][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8746.137709][ T10] netdev_get_by_index+0x5e/0x80 [ 8746.137709][ T10] fib6_nh_init+0x3d8/0x1580 [ 8746.137709][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8746.137709][ T10] ip6_route_add+0x1c/0x140 [ 8746.137709][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8746.137709][ T10] addrconf_add_dev+0xe2/0x170 [ 8746.137709][ T10] inet6_addr_add+0x12f/0xa40 [ 8746.137709][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8746.137709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8746.137709][ T10] netlink_rcv_skb+0x130/0x360 [ 8746.137709][ T10] netlink_unicast+0x449/0x710 [ 8746.137709][ T10] netlink_sendmsg+0x723/0xbe0 [ 8746.137709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8746.137709][ T10] ___sys_sendmsg+0xee/0x170 [ 8746.137709][ T10] __sys_sendmsg+0xcd/0x170 [ 8746.137709][ T10] do_syscall_64+0xc6/0x1e0 [ 8746.137709][ T10] [ 8746.141308][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8746.141308][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8746.141308][T12167] ipv6_find_idev+0x102/0x170 [ 8746.141308][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8746.141308][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8746.141308][T12167] netlink_rcv_skb+0x130/0x360 [ 8746.141308][T12167] netlink_unicast+0x449/0x710 [ 8746.141308][T12167] netlink_sendmsg+0x723/0xbe0 [ 8746.141308][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8746.141308][T12167] ___sys_sendmsg+0xee/0x170 [ 8746.141308][T12167] __sys_sendmsg+0xcd/0x170 [ 8746.141308][T12167] do_syscall_64+0xc6/0x1e0 [ 8746.141308][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8746.141308][T12167] [ 8746.143255][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8746.143255][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8746.143255][ T10] ipv6_find_idev+0x102/0x170 [ 8746.143255][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8746.143255][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8746.143255][ T10] netlink_rcv_skb+0x130/0x360 [ 8746.143255][ T10] netlink_unicast+0x449/0x710 [ 8746.143255][ T10] netlink_sendmsg+0x723/0xbe0 [ 8746.143255][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8746.143255][ T10] ___sys_sendmsg+0xee/0x170 [ 8746.143255][ T10] __sys_sendmsg+0xcd/0x170 [ 8746.143255][ T10] do_syscall_64+0xc6/0x1e0 [ 8746.143255][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8746.143255][ T10] [ 8746.146069][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8746.146069][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8746.146069][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8746.146069][T12167] ipv6_find_idev+0x102/0x170 [ 8746.146069][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8746.146069][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8746.146069][T12167] netlink_rcv_skb+0x130/0x360 [ 8746.146069][T12167] netlink_unicast+0x449/0x710 [ 8746.146069][T12167] netlink_sendmsg+0x723/0xbe0 [ 8746.146069][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8746.146069][T12167] ___sys_sendmsg+0xee/0x170 [ 8746.146069][T12167] __sys_sendmsg+0xcd/0x170 [ 8746.146069][T12167] do_syscall_64+0xc6/0x1e0 [ 8746.146069][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8746.146069][T12167] [ 8746.147591][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8746.147591][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8746.147591][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8746.147591][ T10] ipv6_find_idev+0x102/0x170 [ 8746.147591][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8746.147591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8746.147591][ T10] netlink_rcv_skb+0x130/0x360 [ 8746.147591][ T10] netlink_unicast+0x449/0x710 [ 8746.147591][ T10] netlink_sendmsg+0x723/0xbe0 [ 8746.147591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8746.147591][ T10] ___sys_sendmsg+0xee/0x170 [ 8746.147591][ T10] __sys_sendmsg+0xcd/0x170 [ 8746.147591][ T10] do_syscall_64+0xc6/0x1e0 [ 8746.147591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8746.147591][ T10] [ 8756.390811][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8756.390823][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 8756.391276][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8756.391276][T12167] netdev_get_by_index+0x5e/0x80 [ 8756.391276][T12167] fib6_nh_init+0x3d8/0x1580 [ 8756.391276][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8756.391276][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8756.391276][T12167] ipv6_add_addr+0x411/0x2000 [ 8756.391276][T12167] inet6_addr_add+0x30e/0xa40 [ 8756.391276][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8756.391276][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8756.391276][T12167] netlink_rcv_skb+0x130/0x360 [ 8756.391276][T12167] netlink_unicast+0x449/0x710 [ 8756.391276][T12167] netlink_sendmsg+0x723/0xbe0 [ 8756.391276][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8756.391276][T12167] ___sys_sendmsg+0xee/0x170 [ 8756.391276][T12167] __sys_sendmsg+0xcd/0x170 [ 8756.391276][T12167] do_syscall_64+0xc6/0x1e0 [ 8756.391276][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8756.391276][T12167] [ 8756.391492][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 8756.391492][ T10] dst_init+0x84/0x4a0 [ 8756.391492][ T10] dst_alloc+0x97/0x150 [ 8756.391492][ T10] ip6_dst_alloc+0x23/0x90 [ 8756.391492][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8756.391492][ T10] ip6_pol_route+0x56f/0x840 [ 8756.391492][ T10] fib6_rule_lookup+0x334/0x630 [ 8756.391492][ T10] ip6_route_output_flags+0x259/0x480 [ 8756.391492][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8756.391492][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8756.391492][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 8756.391492][ T10] ____sys_sendmsg+0x772/0xa10 [ 8756.391492][ T10] ___sys_sendmsg+0xee/0x170 [ 8756.391492][ T10] __sys_sendmsg+0xcd/0x170 [ 8756.391492][ T10] do_syscall_64+0xc6/0x1e0 [ 8756.391492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8756.391492][ T10] [ 8756.393695][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8756.393695][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8756.393695][T12167] ipv6_find_idev+0x102/0x170 [ 8756.393695][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8756.393695][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8756.393695][T12167] netlink_rcv_skb+0x130/0x360 [ 8756.393695][T12167] netlink_unicast+0x449/0x710 [ 8756.393695][T12167] netlink_sendmsg+0x723/0xbe0 [ 8756.393695][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8756.393695][T12167] ___sys_sendmsg+0xee/0x170 [ 8756.393695][T12167] __sys_sendmsg+0xcd/0x170 [ 8756.393695][T12167] do_syscall_64+0xc6/0x1e0 [ 8756.393695][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8756.393695][T12167] [ 8756.395619][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8756.395619][ T10] dst_init+0x84/0x4a0 [ 8756.395619][ T10] dst_alloc+0x97/0x150 [ 8756.395619][ T10] ip6_dst_alloc+0x23/0x90 [ 8756.395619][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8756.395619][ T10] ip6_pol_route+0x56f/0x840 [ 8756.395619][ T10] fib6_rule_lookup+0x334/0x630 [ 8756.395619][ T10] ip6_route_output_flags+0x259/0x480 [ 8756.395619][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8756.395619][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8756.395619][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8756.395619][ T10] ping_v6_sendmsg+0x763/0x1150 [ 8756.395619][ T10] ____sys_sendmsg+0x772/0xa10 [ 8756.395619][ T10] ___sys_sendmsg+0xee/0x170 [ 8756.395619][ T10] __sys_sendmsg+0xcd/0x170 [ 8756.395619][ T10] do_syscall_64+0xc6/0x1e0 [ 8756.395619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8756.395619][ T10] [ 8756.397332][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8756.397332][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8756.397332][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8756.397332][T12167] ipv6_find_idev+0x102/0x170 [ 8756.397332][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8756.397332][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8756.397332][T12167] netlink_rcv_skb+0x130/0x360 [ 8756.397332][T12167] netlink_unicast+0x449/0x710 [ 8756.397332][T12167] netlink_sendmsg+0x723/0xbe0 [ 8756.397332][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8756.397332][T12167] ___sys_sendmsg+0xee/0x170 [ 8756.397332][T12167] __sys_sendmsg+0xcd/0x170 [ 8756.397332][T12167] do_syscall_64+0xc6/0x1e0 [ 8756.397332][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8756.397332][T12167] [ 8756.399324][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8756.399324][ T10] dst_init+0x84/0x4a0 [ 8756.399324][ T10] dst_alloc+0x97/0x150 [ 8756.399324][ T10] ip6_dst_alloc+0x23/0x90 [ 8756.399324][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8756.399324][ T10] ip6_pol_route+0x56f/0x840 [ 8756.399324][ T10] fib6_rule_lookup+0x334/0x630 [ 8756.399324][ T10] ip6_route_output_flags+0x259/0x480 [ 8756.399324][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8756.399324][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8756.399324][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8756.399324][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 8756.399324][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 8756.399324][ T10] ___sys_sendmsg+0xee/0x170 [ 8756.399324][ T10] __sys_sendmsg+0xcd/0x170 [ 8756.399324][ T10] do_syscall_64+0xc6/0x1e0 [ 8756.399324][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8756.399324][ T10] [ 8756.403193][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8756.403193][ T10] netdev_get_by_index+0x5e/0x80 [ 8756.403193][ T10] fib6_nh_init+0x3d8/0x1580 [ 8756.403193][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8756.403193][ T10] ip6_route_add+0x1c/0x140 [ 8756.403193][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8756.403193][ T10] inet6_addr_add+0x4f8/0xa40 [ 8756.403193][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8756.403193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8756.403193][ T10] netlink_rcv_skb+0x130/0x360 [ 8756.403193][ T10] netlink_unicast+0x449/0x710 [ 8756.403193][ T10] netlink_sendmsg+0x723/0xbe0 [ 8756.403193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8756.403193][ T10] ___sys_sendmsg+0xee/0x170 [ 8756.403193][ T10] __sys_sendmsg+0xcd/0x170 [ 8756.403193][ T10] do_syscall_64+0xc6/0x1e0 [ 8756.403193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8756.403193][ T10] [ 8756.405204][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8756.405204][ T10] netdev_get_by_index+0x5e/0x80 [ 8756.405204][ T10] fib6_nh_init+0x3d8/0x1580 [ 8756.405204][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8756.405204][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8756.405204][ T10] ipv6_add_addr+0x411/0x2000 [ 8756.405204][ T10] inet6_addr_add+0x30e/0xa40 [ 8756.405204][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8756.405204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8756.405204][ T10] netlink_rcv_skb+0x130/0x360 [ 8756.405204][ T10] netlink_unicast+0x449/0x710 [ 8756.405204][ T10] netlink_sendmsg+0x723/0xbe0 [ 8756.405204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8756.405204][ T10] ___sys_sendmsg+0xee/0x170 [ 8756.405204][ T10] __sys_sendmsg+0xcd/0x170 [ 8756.405204][ T10] do_syscall_64+0xc6/0x1e0 [ 8756.405204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8756.405204][ T10] [ 8756.407252][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8756.407252][ T10] netdev_get_by_index+0x5e/0x80 [ 8756.407252][ T10] fib6_nh_init+0x3d8/0x1580 [ 8756.407252][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8756.407252][ T10] ip6_route_add+0x1c/0x140 [ 8756.407252][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8756.407252][ T10] addrconf_add_dev+0xe2/0x170 [ 8756.407252][ T10] inet6_addr_add+0x12f/0xa40 [ 8756.407252][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8756.407252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8756.407252][ T10] netlink_rcv_skb+0x130/0x360 [ 8756.407252][ T10] netlink_unicast+0x449/0x710 [ 8756.407252][ T10] netlink_sendmsg+0x723/0xbe0 [ 8756.407252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8756.407252][ T10] ___sys_sendmsg+0xee/0x170 [ 8756.407252][ T10] __sys_sendmsg+0xcd/0x170 [ 8756.407252][ T10] do_syscall_64+0xc6/0x1e0 [ 8756.407252][ T10] [ 8756.409221][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8756.409221][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8756.409221][ T10] ipv6_find_idev+0x102/0x170 [ 8756.409221][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8756.409221][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8756.409221][ T10] netlink_rcv_skb+0x130/0x360 [ 8756.409221][ T10] netlink_unicast+0x449/0x710 [ 8756.409221][ T10] netlink_sendmsg+0x723/0xbe0 [ 8756.409221][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8756.409221][ T10] ___sys_sendmsg+0xee/0x170 [ 8756.409221][ T10] __sys_sendmsg+0xcd/0x170 [ 8756.409221][ T10] do_syscall_64+0xc6/0x1e0 [ 8756.409221][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8756.409221][ T10] [ 8756.411137][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8756.411137][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8756.411137][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8756.411137][ T10] ipv6_find_idev+0x102/0x170 [ 8756.411137][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8756.411137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8756.411137][ T10] netlink_rcv_skb+0x130/0x360 [ 8756.411137][ T10] netlink_unicast+0x449/0x710 [ 8756.411137][ T10] netlink_sendmsg+0x723/0xbe0 [ 8756.411137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8756.411137][ T10] ___sys_sendmsg+0xee/0x170 [ 8756.411137][ T10] __sys_sendmsg+0xcd/0x170 [ 8756.411137][ T10] do_syscall_64+0xc6/0x1e0 [ 8756.411137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8756.411137][ T10] [ 8766.638838][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8766.639267][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8766.639267][T12167] netdev_get_by_index+0x5e/0x80 [ 8766.639267][T12167] fib6_nh_init+0x3d8/0x1580 [ 8766.639267][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8766.639267][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8766.639267][T12167] ipv6_add_addr+0x411/0x2000 [ 8766.639267][T12167] inet6_addr_add+0x30e/0xa40 [ 8766.639267][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8766.639267][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8766.639267][T12167] netlink_rcv_skb+0x130/0x360 [ 8766.639267][T12167] netlink_unicast+0x449/0x710 [ 8766.639267][T12167] netlink_sendmsg+0x723/0xbe0 [ 8766.639267][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8766.639267][T12167] ___sys_sendmsg+0xee/0x170 [ 8766.639267][T12167] __sys_sendmsg+0xcd/0x170 [ 8766.639267][T12167] do_syscall_64+0xc6/0x1e0 [ 8766.639267][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8766.639267][T12167] [ 8766.641541][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8766.641541][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8766.641541][T12167] ipv6_find_idev+0x102/0x170 [ 8766.641541][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8766.641541][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8766.641541][T12167] netlink_rcv_skb+0x130/0x360 [ 8766.641541][T12167] netlink_unicast+0x449/0x710 [ 8766.641541][T12167] netlink_sendmsg+0x723/0xbe0 [ 8766.641541][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8766.641541][T12167] ___sys_sendmsg+0xee/0x170 [ 8766.641541][T12167] __sys_sendmsg+0xcd/0x170 [ 8766.641541][T12167] do_syscall_64+0xc6/0x1e0 [ 8766.641541][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8766.641541][T12167] [ 8766.643285][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8766.643285][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8766.643285][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8766.643285][T12167] ipv6_find_idev+0x102/0x170 [ 8766.643285][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8766.643285][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8766.643285][T12167] netlink_rcv_skb+0x130/0x360 [ 8766.643285][T12167] netlink_unicast+0x449/0x710 [ 8766.643285][T12167] netlink_sendmsg+0x723/0xbe0 [ 8766.643285][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8766.643285][T12167] ___sys_sendmsg+0xee/0x170 [ 8766.643285][T12167] __sys_sendmsg+0xcd/0x170 [ 8766.643285][T12167] do_syscall_64+0xc6/0x1e0 [ 8766.643285][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8766.643285][T12167] [ 8766.654716][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 8766.655020][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 8766.655020][ T10] dst_init+0x84/0x4a0 [ 8766.655020][ T10] dst_alloc+0x97/0x150 [ 8766.655020][ T10] ip6_dst_alloc+0x23/0x90 [ 8766.655020][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8766.655020][ T10] ip6_pol_route+0x56f/0x840 [ 8766.655020][ T10] fib6_rule_lookup+0x334/0x630 [ 8766.655020][ T10] ip6_route_output_flags+0x259/0x480 [ 8766.655020][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8766.655020][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8766.655020][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 8766.655020][ T10] ____sys_sendmsg+0x772/0xa10 [ 8766.655020][ T10] ___sys_sendmsg+0xee/0x170 [ 8766.655020][ T10] __sys_sendmsg+0xcd/0x170 [ 8766.655020][ T10] do_syscall_64+0xc6/0x1e0 [ 8766.655020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8766.655020][ T10] [ 8766.656903][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8766.656903][ T10] dst_init+0x84/0x4a0 [ 8766.656903][ T10] dst_alloc+0x97/0x150 [ 8766.656903][ T10] ip6_dst_alloc+0x23/0x90 [ 8766.656903][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8766.656903][ T10] ip6_pol_route+0x56f/0x840 [ 8766.656903][ T10] fib6_rule_lookup+0x334/0x630 [ 8766.656903][ T10] ip6_route_output_flags+0x259/0x480 [ 8766.656903][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8766.656903][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8766.656903][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8766.656903][ T10] ping_v6_sendmsg+0x763/0x1150 [ 8766.656903][ T10] ____sys_sendmsg+0x772/0xa10 [ 8766.656903][ T10] ___sys_sendmsg+0xee/0x170 [ 8766.656903][ T10] __sys_sendmsg+0xcd/0x170 [ 8766.656903][ T10] do_syscall_64+0xc6/0x1e0 [ 8766.656903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8766.656903][ T10] [ 8766.658908][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8766.658908][ T10] dst_init+0x84/0x4a0 [ 8766.658908][ T10] dst_alloc+0x97/0x150 [ 8766.658908][ T10] ip6_dst_alloc+0x23/0x90 [ 8766.658908][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8766.658908][ T10] ip6_pol_route+0x56f/0x840 [ 8766.658908][ T10] fib6_rule_lookup+0x334/0x630 [ 8766.658908][ T10] ip6_route_output_flags+0x259/0x480 [ 8766.658908][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8766.658908][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8766.658908][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8766.658908][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 8766.658908][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 8766.658908][ T10] ___sys_sendmsg+0xee/0x170 [ 8766.658908][ T10] __sys_sendmsg+0xcd/0x170 [ 8766.658908][ T10] do_syscall_64+0xc6/0x1e0 [ 8766.658908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8766.658908][ T10] [ 8766.660906][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8766.660906][ T10] netdev_get_by_index+0x5e/0x80 [ 8766.660906][ T10] fib6_nh_init+0x3d8/0x1580 [ 8766.660906][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8766.660906][ T10] ip6_route_add+0x1c/0x140 [ 8766.660906][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8766.660906][ T10] inet6_addr_add+0x4f8/0xa40 [ 8766.660906][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8766.660906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8766.660906][ T10] netlink_rcv_skb+0x130/0x360 [ 8766.660906][ T10] netlink_unicast+0x449/0x710 [ 8766.660906][ T10] netlink_sendmsg+0x723/0xbe0 [ 8766.660906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8766.660906][ T10] ___sys_sendmsg+0xee/0x170 [ 8766.660906][ T10] __sys_sendmsg+0xcd/0x170 [ 8766.660906][ T10] do_syscall_64+0xc6/0x1e0 [ 8766.660906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8766.660906][ T10] [ 8766.662912][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8766.662912][ T10] netdev_get_by_index+0x5e/0x80 [ 8766.662912][ T10] fib6_nh_init+0x3d8/0x1580 [ 8766.662912][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8766.662912][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8766.662912][ T10] ipv6_add_addr+0x411/0x2000 [ 8766.662912][ T10] inet6_addr_add+0x30e/0xa40 [ 8766.662912][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8766.662912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8766.662912][ T10] netlink_rcv_skb+0x130/0x360 [ 8766.662912][ T10] netlink_unicast+0x449/0x710 [ 8766.662912][ T10] netlink_sendmsg+0x723/0xbe0 [ 8766.662912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8766.662912][ T10] ___sys_sendmsg+0xee/0x170 [ 8766.662912][ T10] __sys_sendmsg+0xcd/0x170 [ 8766.662912][ T10] do_syscall_64+0xc6/0x1e0 [ 8766.662912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8766.662912][ T10] [ 8766.664998][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8766.664998][ T10] netdev_get_by_index+0x5e/0x80 [ 8766.664998][ T10] fib6_nh_init+0x3d8/0x1580 [ 8766.664998][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8766.664998][ T10] ip6_route_add+0x1c/0x140 [ 8766.664998][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8766.664998][ T10] addrconf_add_dev+0xe2/0x170 [ 8766.664998][ T10] inet6_addr_add+0x12f/0xa40 [ 8766.664998][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8766.664998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8766.664998][ T10] netlink_rcv_skb+0x130/0x360 [ 8766.664998][ T10] netlink_unicast+0x449/0x710 [ 8766.664998][ T10] netlink_sendmsg+0x723/0xbe0 [ 8766.664998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8766.664998][ T10] ___sys_sendmsg+0xee/0x170 [ 8766.664998][ T10] __sys_sendmsg+0xcd/0x170 [ 8766.664998][ T10] do_syscall_64+0xc6/0x1e0 [ 8766.664998][ T10] [ 8766.666963][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8766.666963][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8766.666963][ T10] ipv6_find_idev+0x102/0x170 [ 8766.666963][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8766.666963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8766.666963][ T10] netlink_rcv_skb+0x130/0x360 [ 8766.666963][ T10] netlink_unicast+0x449/0x710 [ 8766.666963][ T10] netlink_sendmsg+0x723/0xbe0 [ 8766.666963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8766.666963][ T10] ___sys_sendmsg+0xee/0x170 [ 8766.666963][ T10] __sys_sendmsg+0xcd/0x170 [ 8766.666963][ T10] do_syscall_64+0xc6/0x1e0 [ 8766.666963][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8766.666963][ T10] [ 8766.668506][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8766.668506][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8766.668506][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8766.668506][ T10] ipv6_find_idev+0x102/0x170 [ 8766.668506][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8766.668506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8766.668506][ T10] netlink_rcv_skb+0x130/0x360 [ 8766.668506][ T10] netlink_unicast+0x449/0x710 [ 8766.668506][ T10] netlink_sendmsg+0x723/0xbe0 [ 8766.668506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8766.668506][ T10] ___sys_sendmsg+0xee/0x170 [ 8766.668506][ T10] __sys_sendmsg+0xcd/0x170 [ 8766.668506][ T10] do_syscall_64+0xc6/0x1e0 [ 8766.668506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8766.668506][ T10] [ 8776.894745][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8776.895185][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8776.895185][T12167] netdev_get_by_index+0x5e/0x80 [ 8776.895185][T12167] fib6_nh_init+0x3d8/0x1580 [ 8776.895185][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8776.895185][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8776.895185][T12167] ipv6_add_addr+0x411/0x2000 [ 8776.895185][T12167] inet6_addr_add+0x30e/0xa40 [ 8776.895185][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8776.895185][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8776.895185][T12167] netlink_rcv_skb+0x130/0x360 [ 8776.895185][T12167] netlink_unicast+0x449/0x710 [ 8776.895185][T12167] netlink_sendmsg+0x723/0xbe0 [ 8776.895185][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8776.895185][T12167] ___sys_sendmsg+0xee/0x170 [ 8776.895185][T12167] __sys_sendmsg+0xcd/0x170 [ 8776.895185][T12167] do_syscall_64+0xc6/0x1e0 [ 8776.895185][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8776.895185][T12167] [ 8776.897548][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8776.897548][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8776.897548][T12167] ipv6_find_idev+0x102/0x170 [ 8776.897548][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8776.897548][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8776.897548][T12167] netlink_rcv_skb+0x130/0x360 [ 8776.897548][T12167] netlink_unicast+0x449/0x710 [ 8776.897548][T12167] netlink_sendmsg+0x723/0xbe0 [ 8776.897548][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8776.897548][T12167] ___sys_sendmsg+0xee/0x170 [ 8776.897548][T12167] __sys_sendmsg+0xcd/0x170 [ 8776.897548][T12167] do_syscall_64+0xc6/0x1e0 [ 8776.897548][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8776.897548][T12167] [ 8776.899288][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8776.899288][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8776.899288][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8776.899288][T12167] ipv6_find_idev+0x102/0x170 [ 8776.899288][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8776.899288][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8776.899288][T12167] netlink_rcv_skb+0x130/0x360 [ 8776.899288][T12167] netlink_unicast+0x449/0x710 [ 8776.899288][T12167] netlink_sendmsg+0x723/0xbe0 [ 8776.899288][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8776.899288][T12167] ___sys_sendmsg+0xee/0x170 [ 8776.899288][T12167] __sys_sendmsg+0xcd/0x170 [ 8776.899288][T12167] do_syscall_64+0xc6/0x1e0 [ 8776.899288][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8776.899288][T12167] [ 8776.910805][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 8776.911179][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 8776.911179][ T10] dst_init+0x84/0x4a0 [ 8776.911179][ T10] dst_alloc+0x97/0x150 [ 8776.911179][ T10] ip6_dst_alloc+0x23/0x90 [ 8776.911179][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8776.911179][ T10] ip6_pol_route+0x56f/0x840 [ 8776.911179][ T10] fib6_rule_lookup+0x334/0x630 [ 8776.911179][ T10] ip6_route_output_flags+0x259/0x480 [ 8776.911179][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8776.911179][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8776.911179][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 8776.911179][ T10] ____sys_sendmsg+0x772/0xa10 [ 8776.911179][ T10] ___sys_sendmsg+0xee/0x170 [ 8776.911179][ T10] __sys_sendmsg+0xcd/0x170 [ 8776.911179][ T10] do_syscall_64+0xc6/0x1e0 [ 8776.911179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8776.911179][ T10] [ 8776.913106][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8776.913106][ T10] dst_init+0x84/0x4a0 [ 8776.913106][ T10] dst_alloc+0x97/0x150 [ 8776.913106][ T10] ip6_dst_alloc+0x23/0x90 [ 8776.913106][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8776.913106][ T10] ip6_pol_route+0x56f/0x840 [ 8776.913106][ T10] fib6_rule_lookup+0x334/0x630 [ 8776.913106][ T10] ip6_route_output_flags+0x259/0x480 [ 8776.913106][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8776.913106][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8776.913106][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8776.913106][ T10] ping_v6_sendmsg+0x763/0x1150 [ 8776.913106][ T10] ____sys_sendmsg+0x772/0xa10 [ 8776.913106][ T10] ___sys_sendmsg+0xee/0x170 [ 8776.913106][ T10] __sys_sendmsg+0xcd/0x170 [ 8776.913106][ T10] do_syscall_64+0xc6/0x1e0 [ 8776.913106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8776.913106][ T10] [ 8776.915113][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8776.915113][ T10] dst_init+0x84/0x4a0 [ 8776.915113][ T10] dst_alloc+0x97/0x150 [ 8776.915113][ T10] ip6_dst_alloc+0x23/0x90 [ 8776.915113][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8776.915113][ T10] ip6_pol_route+0x56f/0x840 [ 8776.915113][ T10] fib6_rule_lookup+0x334/0x630 [ 8776.915113][ T10] ip6_route_output_flags+0x259/0x480 [ 8776.915113][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8776.915113][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8776.915113][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8776.915113][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 8776.915113][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 8776.915113][ T10] ___sys_sendmsg+0xee/0x170 [ 8776.915113][ T10] __sys_sendmsg+0xcd/0x170 [ 8776.915113][ T10] do_syscall_64+0xc6/0x1e0 [ 8776.915113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8776.915113][ T10] [ 8776.917113][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8776.917113][ T10] netdev_get_by_index+0x5e/0x80 [ 8776.917113][ T10] fib6_nh_init+0x3d8/0x1580 [ 8776.917113][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8776.917113][ T10] ip6_route_add+0x1c/0x140 [ 8776.917113][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8776.917113][ T10] inet6_addr_add+0x4f8/0xa40 [ 8776.917113][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8776.917113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8776.917113][ T10] netlink_rcv_skb+0x130/0x360 [ 8776.917113][ T10] netlink_unicast+0x449/0x710 [ 8776.917113][ T10] netlink_sendmsg+0x723/0xbe0 [ 8776.917113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8776.917113][ T10] ___sys_sendmsg+0xee/0x170 [ 8776.917113][ T10] __sys_sendmsg+0xcd/0x170 [ 8776.917113][ T10] do_syscall_64+0xc6/0x1e0 [ 8776.917113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8776.917113][ T10] [ 8776.919119][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8776.919119][ T10] netdev_get_by_index+0x5e/0x80 [ 8776.919119][ T10] fib6_nh_init+0x3d8/0x1580 [ 8776.919119][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8776.919119][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8776.919119][ T10] ipv6_add_addr+0x411/0x2000 [ 8776.919119][ T10] inet6_addr_add+0x30e/0xa40 [ 8776.919119][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8776.919119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8776.919119][ T10] netlink_rcv_skb+0x130/0x360 [ 8776.919119][ T10] netlink_unicast+0x449/0x710 [ 8776.919119][ T10] netlink_sendmsg+0x723/0xbe0 [ 8776.919119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8776.919119][ T10] ___sys_sendmsg+0xee/0x170 [ 8776.919119][ T10] __sys_sendmsg+0xcd/0x170 [ 8776.919119][ T10] do_syscall_64+0xc6/0x1e0 [ 8776.919119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8776.919119][ T10] [ 8776.921117][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8776.921117][ T10] netdev_get_by_index+0x5e/0x80 [ 8776.921117][ T10] fib6_nh_init+0x3d8/0x1580 [ 8776.921117][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8776.921117][ T10] ip6_route_add+0x1c/0x140 [ 8776.921117][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8776.921117][ T10] addrconf_add_dev+0xe2/0x170 [ 8776.921117][ T10] inet6_addr_add+0x12f/0xa40 [ 8776.921117][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8776.921117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8776.921117][ T10] netlink_rcv_skb+0x130/0x360 [ 8776.921117][ T10] netlink_unicast+0x449/0x710 [ 8776.921117][ T10] netlink_sendmsg+0x723/0xbe0 [ 8776.921117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8776.921117][ T10] ___sys_sendmsg+0xee/0x170 [ 8776.921117][ T10] __sys_sendmsg+0xcd/0x170 [ 8776.921117][ T10] do_syscall_64+0xc6/0x1e0 [ 8776.921117][ T10] [ 8776.923080][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8776.923080][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8776.923080][ T10] ipv6_find_idev+0x102/0x170 [ 8776.923080][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8776.923080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8776.923080][ T10] netlink_rcv_skb+0x130/0x360 [ 8776.923080][ T10] netlink_unicast+0x449/0x710 [ 8776.923080][ T10] netlink_sendmsg+0x723/0xbe0 [ 8776.923080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8776.923080][ T10] ___sys_sendmsg+0xee/0x170 [ 8776.923080][ T10] __sys_sendmsg+0xcd/0x170 [ 8776.923080][ T10] do_syscall_64+0xc6/0x1e0 [ 8776.923080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8776.923080][ T10] [ 8776.924628][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8776.924628][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8776.924628][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8776.924628][ T10] ipv6_find_idev+0x102/0x170 [ 8776.924628][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8776.924628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8776.924628][ T10] netlink_rcv_skb+0x130/0x360 [ 8776.924628][ T10] netlink_unicast+0x449/0x710 [ 8776.924628][ T10] netlink_sendmsg+0x723/0xbe0 [ 8776.924628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8776.924628][ T10] ___sys_sendmsg+0xee/0x170 [ 8776.924628][ T10] __sys_sendmsg+0xcd/0x170 [ 8776.924628][ T10] do_syscall_64+0xc6/0x1e0 [ 8776.924628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8776.924628][ T10] [ 8786.982810][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8786.982809][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 8786.982931][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8786.982931][T12167] netdev_get_by_index+0x5e/0x80 [ 8786.982931][T12167] fib6_nh_init+0x3d8/0x1580 [ 8786.982931][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8786.982931][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8786.982931][T12167] ipv6_add_addr+0x411/0x2000 [ 8786.982931][T12167] inet6_addr_add+0x30e/0xa40 [ 8786.982931][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8786.982931][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8786.982931][T12167] netlink_rcv_skb+0x130/0x360 [ 8786.982931][T12167] netlink_unicast+0x449/0x710 [ 8786.982931][T12167] netlink_sendmsg+0x723/0xbe0 [ 8786.982931][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8786.982931][T12167] ___sys_sendmsg+0xee/0x170 [ 8786.982931][T12167] __sys_sendmsg+0xcd/0x170 [ 8786.982931][T12167] do_syscall_64+0xc6/0x1e0 [ 8786.982931][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8786.982931][T12167] [ 8786.983287][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 8786.983287][ T10] dst_init+0x84/0x4a0 [ 8786.983287][ T10] dst_alloc+0x97/0x150 [ 8786.983287][ T10] ip6_dst_alloc+0x23/0x90 [ 8786.983287][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8786.983287][ T10] ip6_pol_route+0x56f/0x840 [ 8786.983287][ T10] fib6_rule_lookup+0x334/0x630 [ 8786.983287][ T10] ip6_route_output_flags+0x259/0x480 [ 8786.983287][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8786.983287][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8786.983287][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 8786.983287][ T10] ____sys_sendmsg+0x772/0xa10 [ 8786.983287][ T10] ___sys_sendmsg+0xee/0x170 [ 8786.983287][ T10] __sys_sendmsg+0xcd/0x170 [ 8786.983287][ T10] do_syscall_64+0xc6/0x1e0 [ 8786.983287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8786.983287][ T10] [ 8786.983467][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8786.983467][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8786.983467][T12167] ipv6_find_idev+0x102/0x170 [ 8786.983467][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8786.983467][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8786.983467][T12167] netlink_rcv_skb+0x130/0x360 [ 8786.983467][T12167] netlink_unicast+0x449/0x710 [ 8786.983467][T12167] netlink_sendmsg+0x723/0xbe0 [ 8786.983467][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8786.983467][T12167] ___sys_sendmsg+0xee/0x170 [ 8786.983467][T12167] __sys_sendmsg+0xcd/0x170 [ 8786.983467][T12167] do_syscall_64+0xc6/0x1e0 [ 8786.983467][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8786.983467][T12167] [ 8786.985521][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8786.985521][ T10] dst_init+0x84/0x4a0 [ 8786.985521][ T10] dst_alloc+0x97/0x150 [ 8786.985521][ T10] ip6_dst_alloc+0x23/0x90 [ 8786.985521][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8786.985521][ T10] ip6_pol_route+0x56f/0x840 [ 8786.985521][ T10] fib6_rule_lookup+0x334/0x630 [ 8786.985521][ T10] ip6_route_output_flags+0x259/0x480 [ 8786.985521][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8786.985521][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8786.985521][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8786.985521][ T10] ping_v6_sendmsg+0x763/0x1150 [ 8786.985521][ T10] ____sys_sendmsg+0x772/0xa10 [ 8786.985521][ T10] ___sys_sendmsg+0xee/0x170 [ 8786.985521][ T10] __sys_sendmsg+0xcd/0x170 [ 8786.985521][ T10] do_syscall_64+0xc6/0x1e0 [ 8786.985521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8786.985521][ T10] [ 8786.987612][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8786.987612][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8786.987612][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8786.987612][T12167] ipv6_find_idev+0x102/0x170 [ 8786.987612][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8786.987612][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8786.987612][T12167] netlink_rcv_skb+0x130/0x360 [ 8786.987612][T12167] netlink_unicast+0x449/0x710 [ 8786.987612][T12167] netlink_sendmsg+0x723/0xbe0 [ 8786.987612][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8786.987612][T12167] ___sys_sendmsg+0xee/0x170 [ 8786.987612][T12167] __sys_sendmsg+0xcd/0x170 [ 8786.987612][T12167] do_syscall_64+0xc6/0x1e0 [ 8786.987612][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8786.987612][T12167] [ 8786.989158][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8786.989158][ T10] dst_init+0x84/0x4a0 [ 8786.989158][ T10] dst_alloc+0x97/0x150 [ 8786.989158][ T10] ip6_dst_alloc+0x23/0x90 [ 8786.989158][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8786.989158][ T10] ip6_pol_route+0x56f/0x840 [ 8786.989158][ T10] fib6_rule_lookup+0x334/0x630 [ 8786.989158][ T10] ip6_route_output_flags+0x259/0x480 [ 8786.989158][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8786.989158][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8786.989158][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8786.989158][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 8786.989158][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 8786.989158][ T10] ___sys_sendmsg+0xee/0x170 [ 8786.989158][ T10] __sys_sendmsg+0xcd/0x170 [ 8786.989158][ T10] do_syscall_64+0xc6/0x1e0 [ 8786.989158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8786.989158][ T10] [ 8786.995096][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8786.995096][ T10] netdev_get_by_index+0x5e/0x80 [ 8786.995096][ T10] fib6_nh_init+0x3d8/0x1580 [ 8786.995096][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8786.995096][ T10] ip6_route_add+0x1c/0x140 [ 8786.995096][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8786.995096][ T10] inet6_addr_add+0x4f8/0xa40 [ 8786.995096][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8786.995096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8786.995096][ T10] netlink_rcv_skb+0x130/0x360 [ 8786.995096][ T10] netlink_unicast+0x449/0x710 [ 8786.995096][ T10] netlink_sendmsg+0x723/0xbe0 [ 8786.995096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8786.995096][ T10] ___sys_sendmsg+0xee/0x170 [ 8786.995096][ T10] __sys_sendmsg+0xcd/0x170 [ 8786.995096][ T10] do_syscall_64+0xc6/0x1e0 [ 8786.995096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8786.995096][ T10] [ 8786.997139][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8786.997139][ T10] netdev_get_by_index+0x5e/0x80 [ 8786.997139][ T10] fib6_nh_init+0x3d8/0x1580 [ 8786.997139][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8786.997139][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8786.997139][ T10] ipv6_add_addr+0x411/0x2000 [ 8786.997139][ T10] inet6_addr_add+0x30e/0xa40 [ 8786.997139][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8786.997139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8786.997139][ T10] netlink_rcv_skb+0x130/0x360 [ 8786.997139][ T10] netlink_unicast+0x449/0x710 [ 8786.997139][ T10] netlink_sendmsg+0x723/0xbe0 [ 8786.997139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8786.997139][ T10] ___sys_sendmsg+0xee/0x170 [ 8786.997139][ T10] __sys_sendmsg+0xcd/0x170 [ 8786.997139][ T10] do_syscall_64+0xc6/0x1e0 [ 8786.997139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8786.997139][ T10] [ 8786.999176][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8786.999176][ T10] netdev_get_by_index+0x5e/0x80 [ 8786.999176][ T10] fib6_nh_init+0x3d8/0x1580 [ 8786.999176][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8786.999176][ T10] ip6_route_add+0x1c/0x140 [ 8786.999176][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8786.999176][ T10] addrconf_add_dev+0xe2/0x170 [ 8786.999176][ T10] inet6_addr_add+0x12f/0xa40 [ 8786.999176][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8786.999176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8786.999176][ T10] netlink_rcv_skb+0x130/0x360 [ 8786.999176][ T10] netlink_unicast+0x449/0x710 [ 8786.999176][ T10] netlink_sendmsg+0x723/0xbe0 [ 8786.999176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8786.999176][ T10] ___sys_sendmsg+0xee/0x170 [ 8786.999176][ T10] __sys_sendmsg+0xcd/0x170 [ 8786.999176][ T10] do_syscall_64+0xc6/0x1e0 [ 8786.999176][ T10] [ 8787.001166][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8787.001166][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8787.001166][ T10] ipv6_find_idev+0x102/0x170 [ 8787.001166][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8787.001166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8787.001166][ T10] netlink_rcv_skb+0x130/0x360 [ 8787.001166][ T10] netlink_unicast+0x449/0x710 [ 8787.001166][ T10] netlink_sendmsg+0x723/0xbe0 [ 8787.001166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8787.001166][ T10] ___sys_sendmsg+0xee/0x170 [ 8787.001166][ T10] __sys_sendmsg+0xcd/0x170 [ 8787.001166][ T10] do_syscall_64+0xc6/0x1e0 [ 8787.001166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8787.001166][ T10] [ 8787.002724][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8787.002724][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8787.002724][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8787.002724][ T10] ipv6_find_idev+0x102/0x170 [ 8787.002724][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8787.002724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8787.002724][ T10] netlink_rcv_skb+0x130/0x360 [ 8787.002724][ T10] netlink_unicast+0x449/0x710 [ 8787.002724][ T10] netlink_sendmsg+0x723/0xbe0 [ 8787.002724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8787.002724][ T10] ___sys_sendmsg+0xee/0x170 [ 8787.002724][ T10] __sys_sendmsg+0xcd/0x170 [ 8787.002724][ T10] do_syscall_64+0xc6/0x1e0 [ 8787.002724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8787.002724][ T10] [ 8797.014747][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 8797.015260][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 8797.015260][ T10] dst_init+0x84/0x4a0 [ 8797.015260][ T10] dst_alloc+0x97/0x150 [ 8797.015260][ T10] ip6_dst_alloc+0x23/0x90 [ 8797.015260][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8797.015260][ T10] ip6_pol_route+0x56f/0x840 [ 8797.015260][ T10] fib6_rule_lookup+0x334/0x630 [ 8797.015260][ T10] ip6_route_output_flags+0x259/0x480 [ 8797.015260][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8797.015260][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8797.015260][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 8797.015260][ T10] ____sys_sendmsg+0x772/0xa10 [ 8797.015260][ T10] ___sys_sendmsg+0xee/0x170 [ 8797.015260][ T10] __sys_sendmsg+0xcd/0x170 [ 8797.015260][ T10] do_syscall_64+0xc6/0x1e0 [ 8797.015260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8797.015260][ T10] [ 8797.017207][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8797.017207][ T10] dst_init+0x84/0x4a0 [ 8797.017207][ T10] dst_alloc+0x97/0x150 [ 8797.017207][ T10] ip6_dst_alloc+0x23/0x90 [ 8797.017207][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8797.017207][ T10] ip6_pol_route+0x56f/0x840 [ 8797.017207][ T10] fib6_rule_lookup+0x334/0x630 [ 8797.017207][ T10] ip6_route_output_flags+0x259/0x480 [ 8797.017207][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8797.017207][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8797.017207][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8797.017207][ T10] ping_v6_sendmsg+0x763/0x1150 [ 8797.017207][ T10] ____sys_sendmsg+0x772/0xa10 [ 8797.017207][ T10] ___sys_sendmsg+0xee/0x170 [ 8797.017207][ T10] __sys_sendmsg+0xcd/0x170 [ 8797.017207][ T10] do_syscall_64+0xc6/0x1e0 [ 8797.017207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8797.017207][ T10] [ 8797.019239][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8797.019239][ T10] dst_init+0x84/0x4a0 [ 8797.019239][ T10] dst_alloc+0x97/0x150 [ 8797.019239][ T10] ip6_dst_alloc+0x23/0x90 [ 8797.019239][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8797.019239][ T10] ip6_pol_route+0x56f/0x840 [ 8797.019239][ T10] fib6_rule_lookup+0x334/0x630 [ 8797.019239][ T10] ip6_route_output_flags+0x259/0x480 [ 8797.019239][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8797.019239][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8797.019239][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8797.019239][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 8797.019239][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 8797.019239][ T10] ___sys_sendmsg+0xee/0x170 [ 8797.019239][ T10] __sys_sendmsg+0xcd/0x170 [ 8797.019239][ T10] do_syscall_64+0xc6/0x1e0 [ 8797.019239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8797.019239][ T10] [ 8797.021285][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8797.021285][ T10] netdev_get_by_index+0x5e/0x80 [ 8797.021285][ T10] fib6_nh_init+0x3d8/0x1580 [ 8797.021285][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8797.021285][ T10] ip6_route_add+0x1c/0x140 [ 8797.021285][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8797.021285][ T10] inet6_addr_add+0x4f8/0xa40 [ 8797.021285][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8797.021285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8797.021285][ T10] netlink_rcv_skb+0x130/0x360 [ 8797.021285][ T10] netlink_unicast+0x449/0x710 [ 8797.021285][ T10] netlink_sendmsg+0x723/0xbe0 [ 8797.021285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8797.021285][ T10] ___sys_sendmsg+0xee/0x170 [ 8797.021285][ T10] __sys_sendmsg+0xcd/0x170 [ 8797.021285][ T10] do_syscall_64+0xc6/0x1e0 [ 8797.021285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8797.021285][ T10] [ 8797.023329][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8797.023329][ T10] netdev_get_by_index+0x5e/0x80 [ 8797.023329][ T10] fib6_nh_init+0x3d8/0x1580 [ 8797.023329][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8797.023329][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8797.023329][ T10] ipv6_add_addr+0x411/0x2000 [ 8797.023329][ T10] inet6_addr_add+0x30e/0xa40 [ 8797.023329][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8797.023329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8797.023329][ T10] netlink_rcv_skb+0x130/0x360 [ 8797.023329][ T10] netlink_unicast+0x449/0x710 [ 8797.023329][ T10] netlink_sendmsg+0x723/0xbe0 [ 8797.023329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8797.023329][ T10] ___sys_sendmsg+0xee/0x170 [ 8797.023329][ T10] __sys_sendmsg+0xcd/0x170 [ 8797.023329][ T10] do_syscall_64+0xc6/0x1e0 [ 8797.023329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8797.023329][ T10] [ 8797.025361][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8797.025361][ T10] netdev_get_by_index+0x5e/0x80 [ 8797.025361][ T10] fib6_nh_init+0x3d8/0x1580 [ 8797.025361][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8797.025361][ T10] ip6_route_add+0x1c/0x140 [ 8797.025361][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8797.025361][ T10] addrconf_add_dev+0xe2/0x170 [ 8797.025361][ T10] inet6_addr_add+0x12f/0xa40 [ 8797.025361][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8797.025361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8797.025361][ T10] netlink_rcv_skb+0x130/0x360 [ 8797.025361][ T10] netlink_unicast+0x449/0x710 [ 8797.025361][ T10] netlink_sendmsg+0x723/0xbe0 [ 8797.025361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8797.025361][ T10] ___sys_sendmsg+0xee/0x170 [ 8797.025361][ T10] __sys_sendmsg+0xcd/0x170 [ 8797.025361][ T10] do_syscall_64+0xc6/0x1e0 [ 8797.025361][ T10] [ 8797.027355][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8797.027355][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8797.027355][ T10] ipv6_find_idev+0x102/0x170 [ 8797.027355][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8797.027355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8797.027355][ T10] netlink_rcv_skb+0x130/0x360 [ 8797.027355][ T10] netlink_unicast+0x449/0x710 [ 8797.027355][ T10] netlink_sendmsg+0x723/0xbe0 [ 8797.027355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8797.027355][ T10] ___sys_sendmsg+0xee/0x170 [ 8797.027355][ T10] __sys_sendmsg+0xcd/0x170 [ 8797.027355][ T10] do_syscall_64+0xc6/0x1e0 [ 8797.027355][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8797.027355][ T10] [ 8797.028925][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8797.028925][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8797.028925][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8797.028925][ T10] ipv6_find_idev+0x102/0x170 [ 8797.028925][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8797.028925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8797.028925][ T10] netlink_rcv_skb+0x130/0x360 [ 8797.028925][ T10] netlink_unicast+0x449/0x710 [ 8797.028925][ T10] netlink_sendmsg+0x723/0xbe0 [ 8797.028925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8797.028925][ T10] ___sys_sendmsg+0xee/0x170 [ 8797.028925][ T10] __sys_sendmsg+0xcd/0x170 [ 8797.028925][ T10] do_syscall_64+0xc6/0x1e0 [ 8797.028925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8797.028925][ T10] [ 8797.230833][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8797.231257][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8797.231257][T12167] netdev_get_by_index+0x5e/0x80 [ 8797.231257][T12167] fib6_nh_init+0x3d8/0x1580 [ 8797.231257][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8797.231257][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8797.231257][T12167] ipv6_add_addr+0x411/0x2000 [ 8797.231257][T12167] inet6_addr_add+0x30e/0xa40 [ 8797.231257][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8797.231257][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8797.231257][T12167] netlink_rcv_skb+0x130/0x360 [ 8797.231257][T12167] netlink_unicast+0x449/0x710 [ 8797.231257][T12167] netlink_sendmsg+0x723/0xbe0 [ 8797.231257][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8797.231257][T12167] ___sys_sendmsg+0xee/0x170 [ 8797.231257][T12167] __sys_sendmsg+0xcd/0x170 [ 8797.231257][T12167] do_syscall_64+0xc6/0x1e0 [ 8797.231257][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8797.231257][T12167] [ 8797.233544][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8797.233544][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8797.233544][T12167] ipv6_find_idev+0x102/0x170 [ 8797.233544][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8797.233544][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8797.233544][T12167] netlink_rcv_skb+0x130/0x360 [ 8797.233544][T12167] netlink_unicast+0x449/0x710 [ 8797.233544][T12167] netlink_sendmsg+0x723/0xbe0 [ 8797.233544][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8797.233544][T12167] ___sys_sendmsg+0xee/0x170 [ 8797.233544][T12167] __sys_sendmsg+0xcd/0x170 [ 8797.233544][T12167] do_syscall_64+0xc6/0x1e0 [ 8797.233544][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8797.233544][T12167] [ 8797.235279][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8797.235279][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8797.235279][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8797.235279][T12167] ipv6_find_idev+0x102/0x170 [ 8797.235279][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8797.235279][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8797.235279][T12167] netlink_rcv_skb+0x130/0x360 [ 8797.235279][T12167] netlink_unicast+0x449/0x710 [ 8797.235279][T12167] netlink_sendmsg+0x723/0xbe0 [ 8797.235279][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8797.235279][T12167] ___sys_sendmsg+0xee/0x170 [ 8797.235279][T12167] __sys_sendmsg+0xcd/0x170 [ 8797.235279][T12167] do_syscall_64+0xc6/0x1e0 [ 8797.235279][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8797.235279][T12167] [ 8807.270807][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 8807.271270][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 8807.271270][ T10] dst_init+0x84/0x4a0 [ 8807.271270][ T10] dst_alloc+0x97/0x150 [ 8807.271270][ T10] ip6_dst_alloc+0x23/0x90 [ 8807.271270][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8807.271270][ T10] ip6_pol_route+0x56f/0x840 [ 8807.271270][ T10] fib6_rule_lookup+0x334/0x630 [ 8807.271270][ T10] ip6_route_output_flags+0x259/0x480 [ 8807.271270][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8807.271270][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8807.271270][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 8807.271270][ T10] ____sys_sendmsg+0x772/0xa10 [ 8807.271270][ T10] ___sys_sendmsg+0xee/0x170 [ 8807.271270][ T10] __sys_sendmsg+0xcd/0x170 [ 8807.271270][ T10] do_syscall_64+0xc6/0x1e0 [ 8807.271270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8807.271270][ T10] [ 8807.273204][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8807.273204][ T10] dst_init+0x84/0x4a0 [ 8807.273204][ T10] dst_alloc+0x97/0x150 [ 8807.273204][ T10] ip6_dst_alloc+0x23/0x90 [ 8807.273204][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8807.273204][ T10] ip6_pol_route+0x56f/0x840 [ 8807.273204][ T10] fib6_rule_lookup+0x334/0x630 [ 8807.273204][ T10] ip6_route_output_flags+0x259/0x480 [ 8807.273204][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8807.273204][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8807.273204][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8807.273204][ T10] ping_v6_sendmsg+0x763/0x1150 [ 8807.273204][ T10] ____sys_sendmsg+0x772/0xa10 [ 8807.273204][ T10] ___sys_sendmsg+0xee/0x170 [ 8807.273204][ T10] __sys_sendmsg+0xcd/0x170 [ 8807.273204][ T10] do_syscall_64+0xc6/0x1e0 [ 8807.273204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8807.273204][ T10] [ 8807.275251][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8807.275251][ T10] dst_init+0x84/0x4a0 [ 8807.275251][ T10] dst_alloc+0x97/0x150 [ 8807.275251][ T10] ip6_dst_alloc+0x23/0x90 [ 8807.275251][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8807.275251][ T10] ip6_pol_route+0x56f/0x840 [ 8807.275251][ T10] fib6_rule_lookup+0x334/0x630 [ 8807.275251][ T10] ip6_route_output_flags+0x259/0x480 [ 8807.275251][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8807.275251][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8807.275251][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8807.275251][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 8807.275251][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 8807.275251][ T10] ___sys_sendmsg+0xee/0x170 [ 8807.275251][ T10] __sys_sendmsg+0xcd/0x170 [ 8807.275251][ T10] do_syscall_64+0xc6/0x1e0 [ 8807.275251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8807.275251][ T10] [ 8807.277264][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8807.277264][ T10] netdev_get_by_index+0x5e/0x80 [ 8807.277264][ T10] fib6_nh_init+0x3d8/0x1580 [ 8807.277264][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8807.277264][ T10] ip6_route_add+0x1c/0x140 [ 8807.277264][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8807.277264][ T10] inet6_addr_add+0x4f8/0xa40 [ 8807.277264][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8807.277264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8807.277264][ T10] netlink_rcv_skb+0x130/0x360 [ 8807.277264][ T10] netlink_unicast+0x449/0x710 [ 8807.277264][ T10] netlink_sendmsg+0x723/0xbe0 [ 8807.277264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8807.277264][ T10] ___sys_sendmsg+0xee/0x170 [ 8807.277264][ T10] __sys_sendmsg+0xcd/0x170 [ 8807.277264][ T10] do_syscall_64+0xc6/0x1e0 [ 8807.277264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8807.277264][ T10] [ 8807.279284][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8807.279284][ T10] netdev_get_by_index+0x5e/0x80 [ 8807.279284][ T10] fib6_nh_init+0x3d8/0x1580 [ 8807.279284][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8807.279284][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8807.279284][ T10] ipv6_add_addr+0x411/0x2000 [ 8807.279284][ T10] inet6_addr_add+0x30e/0xa40 [ 8807.279284][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8807.279284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8807.279284][ T10] netlink_rcv_skb+0x130/0x360 [ 8807.279284][ T10] netlink_unicast+0x449/0x710 [ 8807.279284][ T10] netlink_sendmsg+0x723/0xbe0 [ 8807.279284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8807.279284][ T10] ___sys_sendmsg+0xee/0x170 [ 8807.279284][ T10] __sys_sendmsg+0xcd/0x170 [ 8807.279284][ T10] do_syscall_64+0xc6/0x1e0 [ 8807.279284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8807.279284][ T10] [ 8807.281299][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8807.281299][ T10] netdev_get_by_index+0x5e/0x80 [ 8807.281299][ T10] fib6_nh_init+0x3d8/0x1580 [ 8807.281299][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8807.281299][ T10] ip6_route_add+0x1c/0x140 [ 8807.281299][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8807.281299][ T10] addrconf_add_dev+0xe2/0x170 [ 8807.281299][ T10] inet6_addr_add+0x12f/0xa40 [ 8807.281299][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8807.281299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8807.281299][ T10] netlink_rcv_skb+0x130/0x360 [ 8807.281299][ T10] netlink_unicast+0x449/0x710 [ 8807.281299][ T10] netlink_sendmsg+0x723/0xbe0 [ 8807.281299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8807.281299][ T10] ___sys_sendmsg+0xee/0x170 [ 8807.281299][ T10] __sys_sendmsg+0xcd/0x170 [ 8807.281299][ T10] do_syscall_64+0xc6/0x1e0 [ 8807.281299][ T10] [ 8807.283264][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8807.283264][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8807.283264][ T10] ipv6_find_idev+0x102/0x170 [ 8807.283264][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8807.283264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8807.283264][ T10] netlink_rcv_skb+0x130/0x360 [ 8807.283264][ T10] netlink_unicast+0x449/0x710 [ 8807.283264][ T10] netlink_sendmsg+0x723/0xbe0 [ 8807.283264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8807.283264][ T10] ___sys_sendmsg+0xee/0x170 [ 8807.283264][ T10] __sys_sendmsg+0xcd/0x170 [ 8807.283264][ T10] do_syscall_64+0xc6/0x1e0 [ 8807.283264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8807.283264][ T10] [ 8807.284810][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8807.284810][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8807.284810][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8807.284810][ T10] ipv6_find_idev+0x102/0x170 [ 8807.284810][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8807.284810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8807.284810][ T10] netlink_rcv_skb+0x130/0x360 [ 8807.284810][ T10] netlink_unicast+0x449/0x710 [ 8807.284810][ T10] netlink_sendmsg+0x723/0xbe0 [ 8807.284810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8807.284810][ T10] ___sys_sendmsg+0xee/0x170 [ 8807.284810][ T10] __sys_sendmsg+0xcd/0x170 [ 8807.284810][ T10] do_syscall_64+0xc6/0x1e0 [ 8807.284810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8807.284810][ T10] [ 8807.479219][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8807.479637][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8807.479637][T12167] netdev_get_by_index+0x5e/0x80 [ 8807.479637][T12167] fib6_nh_init+0x3d8/0x1580 [ 8807.479637][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8807.479637][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8807.479637][T12167] ipv6_add_addr+0x411/0x2000 [ 8807.479637][T12167] inet6_addr_add+0x30e/0xa40 [ 8807.479637][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8807.479637][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8807.479637][T12167] netlink_rcv_skb+0x130/0x360 [ 8807.479637][T12167] netlink_unicast+0x449/0x710 [ 8807.479637][T12167] netlink_sendmsg+0x723/0xbe0 [ 8807.479637][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8807.479637][T12167] ___sys_sendmsg+0xee/0x170 [ 8807.479637][T12167] __sys_sendmsg+0xcd/0x170 [ 8807.479637][T12167] do_syscall_64+0xc6/0x1e0 [ 8807.479637][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8807.479637][T12167] [ 8807.481888][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8807.481888][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8807.481888][T12167] ipv6_find_idev+0x102/0x170 [ 8807.481888][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8807.481888][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8807.481888][T12167] netlink_rcv_skb+0x130/0x360 [ 8807.481888][T12167] netlink_unicast+0x449/0x710 [ 8807.481888][T12167] netlink_sendmsg+0x723/0xbe0 [ 8807.481888][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8807.481888][T12167] ___sys_sendmsg+0xee/0x170 [ 8807.481888][T12167] __sys_sendmsg+0xcd/0x170 [ 8807.481888][T12167] do_syscall_64+0xc6/0x1e0 [ 8807.481888][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8807.481888][T12167] [ 8807.483633][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8807.483633][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8807.483633][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8807.483633][T12167] ipv6_find_idev+0x102/0x170 [ 8807.483633][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8807.483633][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8807.483633][T12167] netlink_rcv_skb+0x130/0x360 [ 8807.483633][T12167] netlink_unicast+0x449/0x710 [ 8807.483633][T12167] netlink_sendmsg+0x723/0xbe0 [ 8807.483633][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8807.483633][T12167] ___sys_sendmsg+0xee/0x170 [ 8807.483633][T12167] __sys_sendmsg+0xcd/0x170 [ 8807.483633][T12167] do_syscall_64+0xc6/0x1e0 [ 8807.483633][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8807.483633][T12167] [ 8817.526841][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 8817.527234][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 8817.527234][ T10] dst_init+0x84/0x4a0 [ 8817.527234][ T10] dst_alloc+0x97/0x150 [ 8817.527234][ T10] ip6_dst_alloc+0x23/0x90 [ 8817.527234][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8817.527234][ T10] ip6_pol_route+0x56f/0x840 [ 8817.527234][ T10] fib6_rule_lookup+0x334/0x630 [ 8817.527234][ T10] ip6_route_output_flags+0x259/0x480 [ 8817.527234][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8817.527234][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8817.527234][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 8817.527234][ T10] ____sys_sendmsg+0x772/0xa10 [ 8817.527234][ T10] ___sys_sendmsg+0xee/0x170 [ 8817.527234][ T10] __sys_sendmsg+0xcd/0x170 [ 8817.527234][ T10] do_syscall_64+0xc6/0x1e0 [ 8817.527234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8817.527234][ T10] [ 8817.529153][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8817.529153][ T10] dst_init+0x84/0x4a0 [ 8817.529153][ T10] dst_alloc+0x97/0x150 [ 8817.529153][ T10] ip6_dst_alloc+0x23/0x90 [ 8817.529153][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8817.529153][ T10] ip6_pol_route+0x56f/0x840 [ 8817.529153][ T10] fib6_rule_lookup+0x334/0x630 [ 8817.529153][ T10] ip6_route_output_flags+0x259/0x480 [ 8817.529153][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8817.529153][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8817.529153][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8817.529153][ T10] ping_v6_sendmsg+0x763/0x1150 [ 8817.529153][ T10] ____sys_sendmsg+0x772/0xa10 [ 8817.529153][ T10] ___sys_sendmsg+0xee/0x170 [ 8817.529153][ T10] __sys_sendmsg+0xcd/0x170 [ 8817.529153][ T10] do_syscall_64+0xc6/0x1e0 [ 8817.529153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8817.529153][ T10] [ 8817.531175][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8817.531175][ T10] dst_init+0x84/0x4a0 [ 8817.531175][ T10] dst_alloc+0x97/0x150 [ 8817.531175][ T10] ip6_dst_alloc+0x23/0x90 [ 8817.531175][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8817.531175][ T10] ip6_pol_route+0x56f/0x840 [ 8817.531175][ T10] fib6_rule_lookup+0x334/0x630 [ 8817.531175][ T10] ip6_route_output_flags+0x259/0x480 [ 8817.531175][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8817.531175][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8817.531175][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8817.531175][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 8817.531175][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 8817.531175][ T10] ___sys_sendmsg+0xee/0x170 [ 8817.531175][ T10] __sys_sendmsg+0xcd/0x170 [ 8817.531175][ T10] do_syscall_64+0xc6/0x1e0 [ 8817.531175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8817.531175][ T10] [ 8817.533198][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8817.533198][ T10] netdev_get_by_index+0x5e/0x80 [ 8817.533198][ T10] fib6_nh_init+0x3d8/0x1580 [ 8817.533198][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8817.533198][ T10] ip6_route_add+0x1c/0x140 [ 8817.533198][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8817.533198][ T10] inet6_addr_add+0x4f8/0xa40 [ 8817.533198][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8817.533198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8817.533198][ T10] netlink_rcv_skb+0x130/0x360 [ 8817.533198][ T10] netlink_unicast+0x449/0x710 [ 8817.533198][ T10] netlink_sendmsg+0x723/0xbe0 [ 8817.533198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8817.533198][ T10] ___sys_sendmsg+0xee/0x170 [ 8817.533198][ T10] __sys_sendmsg+0xcd/0x170 [ 8817.533198][ T10] do_syscall_64+0xc6/0x1e0 [ 8817.533198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8817.533198][ T10] [ 8817.535216][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8817.535216][ T10] netdev_get_by_index+0x5e/0x80 [ 8817.535216][ T10] fib6_nh_init+0x3d8/0x1580 [ 8817.535216][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8817.535216][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8817.535216][ T10] ipv6_add_addr+0x411/0x2000 [ 8817.535216][ T10] inet6_addr_add+0x30e/0xa40 [ 8817.535216][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8817.535216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8817.535216][ T10] netlink_rcv_skb+0x130/0x360 [ 8817.535216][ T10] netlink_unicast+0x449/0x710 [ 8817.535216][ T10] netlink_sendmsg+0x723/0xbe0 [ 8817.535216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8817.535216][ T10] ___sys_sendmsg+0xee/0x170 [ 8817.535216][ T10] __sys_sendmsg+0xcd/0x170 [ 8817.535216][ T10] do_syscall_64+0xc6/0x1e0 [ 8817.535216][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8817.535216][ T10] [ 8817.537233][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8817.537233][ T10] netdev_get_by_index+0x5e/0x80 [ 8817.537233][ T10] fib6_nh_init+0x3d8/0x1580 [ 8817.537233][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8817.537233][ T10] ip6_route_add+0x1c/0x140 [ 8817.537233][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8817.537233][ T10] addrconf_add_dev+0xe2/0x170 [ 8817.537233][ T10] inet6_addr_add+0x12f/0xa40 [ 8817.537233][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8817.537233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8817.537233][ T10] netlink_rcv_skb+0x130/0x360 [ 8817.537233][ T10] netlink_unicast+0x449/0x710 [ 8817.537233][ T10] netlink_sendmsg+0x723/0xbe0 [ 8817.537233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8817.537233][ T10] ___sys_sendmsg+0xee/0x170 [ 8817.537233][ T10] __sys_sendmsg+0xcd/0x170 [ 8817.537233][ T10] do_syscall_64+0xc6/0x1e0 [ 8817.537233][ T10] [ 8817.539209][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8817.539209][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8817.539209][ T10] ipv6_find_idev+0x102/0x170 [ 8817.539209][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8817.539209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8817.539209][ T10] netlink_rcv_skb+0x130/0x360 [ 8817.539209][ T10] netlink_unicast+0x449/0x710 [ 8817.539209][ T10] netlink_sendmsg+0x723/0xbe0 [ 8817.539209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8817.539209][ T10] ___sys_sendmsg+0xee/0x170 [ 8817.539209][ T10] __sys_sendmsg+0xcd/0x170 [ 8817.539209][ T10] do_syscall_64+0xc6/0x1e0 [ 8817.539209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8817.539209][ T10] [ 8817.540754][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8817.540754][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8817.540754][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8817.540754][ T10] ipv6_find_idev+0x102/0x170 [ 8817.540754][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8817.540754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8817.540754][ T10] netlink_rcv_skb+0x130/0x360 [ 8817.540754][ T10] netlink_unicast+0x449/0x710 [ 8817.540754][ T10] netlink_sendmsg+0x723/0xbe0 [ 8817.540754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8817.540754][ T10] ___sys_sendmsg+0xee/0x170 [ 8817.540754][ T10] __sys_sendmsg+0xcd/0x170 [ 8817.540754][ T10] do_syscall_64+0xc6/0x1e0 [ 8817.540754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8817.540754][ T10] [ 8817.734800][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8817.735220][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8817.735220][T12167] netdev_get_by_index+0x5e/0x80 [ 8817.735220][T12167] fib6_nh_init+0x3d8/0x1580 [ 8817.735220][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8817.735220][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8817.735220][T12167] ipv6_add_addr+0x411/0x2000 [ 8817.735220][T12167] inet6_addr_add+0x30e/0xa40 [ 8817.735220][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8817.735220][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8817.735220][T12167] netlink_rcv_skb+0x130/0x360 [ 8817.735220][T12167] netlink_unicast+0x449/0x710 [ 8817.735220][T12167] netlink_sendmsg+0x723/0xbe0 [ 8817.735220][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8817.735220][T12167] ___sys_sendmsg+0xee/0x170 [ 8817.735220][T12167] __sys_sendmsg+0xcd/0x170 [ 8817.735220][T12167] do_syscall_64+0xc6/0x1e0 [ 8817.735220][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8817.735220][T12167] [ 8817.737494][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8817.737494][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8817.737494][T12167] ipv6_find_idev+0x102/0x170 [ 8817.737494][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8817.737494][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8817.737494][T12167] netlink_rcv_skb+0x130/0x360 [ 8817.737494][T12167] netlink_unicast+0x449/0x710 [ 8817.737494][T12167] netlink_sendmsg+0x723/0xbe0 [ 8817.737494][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8817.737494][T12167] ___sys_sendmsg+0xee/0x170 [ 8817.737494][T12167] __sys_sendmsg+0xcd/0x170 [ 8817.737494][T12167] do_syscall_64+0xc6/0x1e0 [ 8817.737494][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8817.737494][T12167] [ 8817.739220][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8817.739220][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8817.739220][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8817.739220][T12167] ipv6_find_idev+0x102/0x170 [ 8817.739220][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8817.739220][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8817.739220][T12167] netlink_rcv_skb+0x130/0x360 [ 8817.739220][T12167] netlink_unicast+0x449/0x710 [ 8817.739220][T12167] netlink_sendmsg+0x723/0xbe0 [ 8817.739220][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8817.739220][T12167] ___sys_sendmsg+0xee/0x170 [ 8817.739220][T12167] __sys_sendmsg+0xcd/0x170 [ 8817.739220][T12167] do_syscall_64+0xc6/0x1e0 [ 8817.739220][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8817.739220][T12167] [ 8827.782830][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 8827.783327][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 8827.783327][ T10] dst_init+0x84/0x4a0 [ 8827.783327][ T10] dst_alloc+0x97/0x150 [ 8827.783327][ T10] ip6_dst_alloc+0x23/0x90 [ 8827.783327][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8827.783327][ T10] ip6_pol_route+0x56f/0x840 [ 8827.783327][ T10] fib6_rule_lookup+0x334/0x630 [ 8827.783327][ T10] ip6_route_output_flags+0x259/0x480 [ 8827.783327][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8827.783327][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8827.783327][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 8827.783327][ T10] ____sys_sendmsg+0x772/0xa10 [ 8827.783327][ T10] ___sys_sendmsg+0xee/0x170 [ 8827.783327][ T10] __sys_sendmsg+0xcd/0x170 [ 8827.783327][ T10] do_syscall_64+0xc6/0x1e0 [ 8827.783327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8827.783327][ T10] [ 8827.785261][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8827.785261][ T10] dst_init+0x84/0x4a0 [ 8827.785261][ T10] dst_alloc+0x97/0x150 [ 8827.785261][ T10] ip6_dst_alloc+0x23/0x90 [ 8827.785261][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8827.785261][ T10] ip6_pol_route+0x56f/0x840 [ 8827.785261][ T10] fib6_rule_lookup+0x334/0x630 [ 8827.785261][ T10] ip6_route_output_flags+0x259/0x480 [ 8827.785261][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8827.785261][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8827.785261][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8827.785261][ T10] ping_v6_sendmsg+0x763/0x1150 [ 8827.785261][ T10] ____sys_sendmsg+0x772/0xa10 [ 8827.785261][ T10] ___sys_sendmsg+0xee/0x170 [ 8827.785261][ T10] __sys_sendmsg+0xcd/0x170 [ 8827.785261][ T10] do_syscall_64+0xc6/0x1e0 [ 8827.785261][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8827.785261][ T10] [ 8827.787272][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8827.787272][ T10] dst_init+0x84/0x4a0 [ 8827.787272][ T10] dst_alloc+0x97/0x150 [ 8827.787272][ T10] ip6_dst_alloc+0x23/0x90 [ 8827.787272][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8827.787272][ T10] ip6_pol_route+0x56f/0x840 [ 8827.787272][ T10] fib6_rule_lookup+0x334/0x630 [ 8827.787272][ T10] ip6_route_output_flags+0x259/0x480 [ 8827.787272][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8827.787272][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8827.787272][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8827.787272][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 8827.787272][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 8827.787272][ T10] ___sys_sendmsg+0xee/0x170 [ 8827.787272][ T10] __sys_sendmsg+0xcd/0x170 [ 8827.787272][ T10] do_syscall_64+0xc6/0x1e0 [ 8827.787272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8827.787272][ T10] [ 8827.789290][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8827.789290][ T10] netdev_get_by_index+0x5e/0x80 [ 8827.789290][ T10] fib6_nh_init+0x3d8/0x1580 [ 8827.789290][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8827.789290][ T10] ip6_route_add+0x1c/0x140 [ 8827.789290][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8827.789290][ T10] inet6_addr_add+0x4f8/0xa40 [ 8827.789290][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8827.789290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8827.789290][ T10] netlink_rcv_skb+0x130/0x360 [ 8827.789290][ T10] netlink_unicast+0x449/0x710 [ 8827.789290][ T10] netlink_sendmsg+0x723/0xbe0 [ 8827.789290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8827.789290][ T10] ___sys_sendmsg+0xee/0x170 [ 8827.789290][ T10] __sys_sendmsg+0xcd/0x170 [ 8827.789290][ T10] do_syscall_64+0xc6/0x1e0 [ 8827.789290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8827.789290][ T10] [ 8827.791308][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8827.791308][ T10] netdev_get_by_index+0x5e/0x80 [ 8827.791308][ T10] fib6_nh_init+0x3d8/0x1580 [ 8827.791308][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8827.791308][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8827.791308][ T10] ipv6_add_addr+0x411/0x2000 [ 8827.791308][ T10] inet6_addr_add+0x30e/0xa40 [ 8827.791308][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8827.791308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8827.791308][ T10] netlink_rcv_skb+0x130/0x360 [ 8827.791308][ T10] netlink_unicast+0x449/0x710 [ 8827.791308][ T10] netlink_sendmsg+0x723/0xbe0 [ 8827.791308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8827.791308][ T10] ___sys_sendmsg+0xee/0x170 [ 8827.791308][ T10] __sys_sendmsg+0xcd/0x170 [ 8827.791308][ T10] do_syscall_64+0xc6/0x1e0 [ 8827.791308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8827.791308][ T10] [ 8827.793312][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8827.793312][ T10] netdev_get_by_index+0x5e/0x80 [ 8827.793312][ T10] fib6_nh_init+0x3d8/0x1580 [ 8827.793312][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8827.793312][ T10] ip6_route_add+0x1c/0x140 [ 8827.793312][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8827.793312][ T10] addrconf_add_dev+0xe2/0x170 [ 8827.793312][ T10] inet6_addr_add+0x12f/0xa40 [ 8827.793312][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8827.793312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8827.793312][ T10] netlink_rcv_skb+0x130/0x360 [ 8827.793312][ T10] netlink_unicast+0x449/0x710 [ 8827.793312][ T10] netlink_sendmsg+0x723/0xbe0 [ 8827.793312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8827.793312][ T10] ___sys_sendmsg+0xee/0x170 [ 8827.793312][ T10] __sys_sendmsg+0xcd/0x170 [ 8827.793312][ T10] do_syscall_64+0xc6/0x1e0 [ 8827.793312][ T10] [ 8827.795300][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8827.795300][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8827.795300][ T10] ipv6_find_idev+0x102/0x170 [ 8827.795300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8827.795300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8827.795300][ T10] netlink_rcv_skb+0x130/0x360 [ 8827.795300][ T10] netlink_unicast+0x449/0x710 [ 8827.795300][ T10] netlink_sendmsg+0x723/0xbe0 [ 8827.795300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8827.795300][ T10] ___sys_sendmsg+0xee/0x170 [ 8827.795300][ T10] __sys_sendmsg+0xcd/0x170 [ 8827.795300][ T10] do_syscall_64+0xc6/0x1e0 [ 8827.795300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8827.795300][ T10] [ 8827.797222][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8827.797222][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8827.797222][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8827.797222][ T10] ipv6_find_idev+0x102/0x170 [ 8827.797222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8827.797222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8827.797222][ T10] netlink_rcv_skb+0x130/0x360 [ 8827.797222][ T10] netlink_unicast+0x449/0x710 [ 8827.797222][ T10] netlink_sendmsg+0x723/0xbe0 [ 8827.797222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8827.797222][ T10] ___sys_sendmsg+0xee/0x170 [ 8827.797222][ T10] __sys_sendmsg+0xcd/0x170 [ 8827.797222][ T10] do_syscall_64+0xc6/0x1e0 [ 8827.797222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8827.797222][ T10] [ 8827.982814][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8827.983247][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8827.983247][T12167] netdev_get_by_index+0x5e/0x80 [ 8827.983247][T12167] fib6_nh_init+0x3d8/0x1580 [ 8827.983247][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8827.983247][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8827.983247][T12167] ipv6_add_addr+0x411/0x2000 [ 8827.983247][T12167] inet6_addr_add+0x30e/0xa40 [ 8827.983247][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8827.983247][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8827.983247][T12167] netlink_rcv_skb+0x130/0x360 [ 8827.983247][T12167] netlink_unicast+0x449/0x710 [ 8827.983247][T12167] netlink_sendmsg+0x723/0xbe0 [ 8827.983247][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8827.983247][T12167] ___sys_sendmsg+0xee/0x170 [ 8827.983247][T12167] __sys_sendmsg+0xcd/0x170 [ 8827.983247][T12167] do_syscall_64+0xc6/0x1e0 [ 8827.983247][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8827.983247][T12167] [ 8827.985509][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8827.985509][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8827.985509][T12167] ipv6_find_idev+0x102/0x170 [ 8827.985509][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8827.985509][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8827.985509][T12167] netlink_rcv_skb+0x130/0x360 [ 8827.985509][T12167] netlink_unicast+0x449/0x710 [ 8827.985509][T12167] netlink_sendmsg+0x723/0xbe0 [ 8827.985509][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8827.985509][T12167] ___sys_sendmsg+0xee/0x170 [ 8827.985509][T12167] __sys_sendmsg+0xcd/0x170 [ 8827.985509][T12167] do_syscall_64+0xc6/0x1e0 [ 8827.985509][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8827.985509][T12167] [ 8827.987243][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8827.987243][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8827.987243][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8827.987243][T12167] ipv6_find_idev+0x102/0x170 [ 8827.987243][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8827.987243][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8827.987243][T12167] netlink_rcv_skb+0x130/0x360 [ 8827.987243][T12167] netlink_unicast+0x449/0x710 [ 8827.987243][T12167] netlink_sendmsg+0x723/0xbe0 [ 8827.987243][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8827.987243][T12167] ___sys_sendmsg+0xee/0x170 [ 8827.987243][T12167] __sys_sendmsg+0xcd/0x170 [ 8827.987243][T12167] do_syscall_64+0xc6/0x1e0 [ 8827.987243][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8827.987243][T12167] [ 8837.990811][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8837.991213][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 8837.991247][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8837.991247][T12167] netdev_get_by_index+0x5e/0x80 [ 8837.991247][T12167] fib6_nh_init+0x3d8/0x1580 [ 8837.991247][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8837.991247][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8837.991247][T12167] ipv6_add_addr+0x411/0x2000 [ 8837.991247][T12167] inet6_addr_add+0x30e/0xa40 [ 8837.991247][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8837.991247][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8837.991247][T12167] netlink_rcv_skb+0x130/0x360 [ 8837.991247][T12167] netlink_unicast+0x449/0x710 [ 8837.991247][T12167] netlink_sendmsg+0x723/0xbe0 [ 8837.991247][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8837.991247][T12167] ___sys_sendmsg+0xee/0x170 [ 8837.991247][T12167] __sys_sendmsg+0xcd/0x170 [ 8837.991247][T12167] do_syscall_64+0xc6/0x1e0 [ 8837.991247][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8837.991247][T12167] [ 8837.991525][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 8837.991525][ T10] dst_init+0x84/0x4a0 [ 8837.991525][ T10] dst_alloc+0x97/0x150 [ 8837.991525][ T10] ip6_dst_alloc+0x23/0x90 [ 8837.991525][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8837.991525][ T10] ip6_pol_route+0x56f/0x840 [ 8837.991525][ T10] fib6_rule_lookup+0x334/0x630 [ 8837.991525][ T10] ip6_route_output_flags+0x259/0x480 [ 8837.991525][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8837.991525][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8837.991525][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 8837.991525][ T10] ____sys_sendmsg+0x772/0xa10 [ 8837.991525][ T10] ___sys_sendmsg+0xee/0x170 [ 8837.991525][ T10] __sys_sendmsg+0xcd/0x170 [ 8837.991525][ T10] do_syscall_64+0xc6/0x1e0 [ 8837.991525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8837.991525][ T10] [ 8837.993701][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8837.993701][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8837.993701][T12167] ipv6_find_idev+0x102/0x170 [ 8837.993701][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8837.993701][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8837.993701][T12167] netlink_rcv_skb+0x130/0x360 [ 8837.993701][T12167] netlink_unicast+0x449/0x710 [ 8837.993701][T12167] netlink_sendmsg+0x723/0xbe0 [ 8837.993701][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8837.993701][T12167] ___sys_sendmsg+0xee/0x170 [ 8837.993701][T12167] __sys_sendmsg+0xcd/0x170 [ 8837.993701][T12167] do_syscall_64+0xc6/0x1e0 [ 8837.993701][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8837.993701][T12167] [ 8837.995590][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8837.995590][ T10] dst_init+0x84/0x4a0 [ 8837.995590][ T10] dst_alloc+0x97/0x150 [ 8837.995590][ T10] ip6_dst_alloc+0x23/0x90 [ 8837.995590][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8837.995590][ T10] ip6_pol_route+0x56f/0x840 [ 8837.995590][ T10] fib6_rule_lookup+0x334/0x630 [ 8837.995590][ T10] ip6_route_output_flags+0x259/0x480 [ 8837.995590][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8837.995590][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8837.995590][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8837.995590][ T10] ping_v6_sendmsg+0x763/0x1150 [ 8837.995590][ T10] ____sys_sendmsg+0x772/0xa10 [ 8837.995590][ T10] ___sys_sendmsg+0xee/0x170 [ 8837.995590][ T10] __sys_sendmsg+0xcd/0x170 [ 8837.995590][ T10] do_syscall_64+0xc6/0x1e0 [ 8837.995590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8837.995590][ T10] [ 8837.997304][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8837.997304][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8837.997304][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8837.997304][T12167] ipv6_find_idev+0x102/0x170 [ 8837.997304][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8837.997304][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8837.997304][T12167] netlink_rcv_skb+0x130/0x360 [ 8837.997304][T12167] netlink_unicast+0x449/0x710 [ 8837.997304][T12167] netlink_sendmsg+0x723/0xbe0 [ 8837.997304][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8837.997304][T12167] ___sys_sendmsg+0xee/0x170 [ 8837.997304][T12167] __sys_sendmsg+0xcd/0x170 [ 8837.997304][T12167] do_syscall_64+0xc6/0x1e0 [ 8837.997304][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8837.997304][T12167] [ 8837.999319][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8837.999319][ T10] dst_init+0x84/0x4a0 [ 8837.999319][ T10] dst_alloc+0x97/0x150 [ 8837.999319][ T10] ip6_dst_alloc+0x23/0x90 [ 8837.999319][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8837.999319][ T10] ip6_pol_route+0x56f/0x840 [ 8837.999319][ T10] fib6_rule_lookup+0x334/0x630 [ 8837.999319][ T10] ip6_route_output_flags+0x259/0x480 [ 8837.999319][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8837.999319][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8837.999319][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8837.999319][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 8837.999319][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 8837.999319][ T10] ___sys_sendmsg+0xee/0x170 [ 8837.999319][ T10] __sys_sendmsg+0xcd/0x170 [ 8837.999319][ T10] do_syscall_64+0xc6/0x1e0 [ 8837.999319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8837.999319][ T10] [ 8838.003176][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8838.003176][ T10] netdev_get_by_index+0x5e/0x80 [ 8838.003176][ T10] fib6_nh_init+0x3d8/0x1580 [ 8838.003176][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8838.003176][ T10] ip6_route_add+0x1c/0x140 [ 8838.003176][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8838.003176][ T10] inet6_addr_add+0x4f8/0xa40 [ 8838.003176][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8838.003176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8838.003176][ T10] netlink_rcv_skb+0x130/0x360 [ 8838.003176][ T10] netlink_unicast+0x449/0x710 [ 8838.003176][ T10] netlink_sendmsg+0x723/0xbe0 [ 8838.003176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8838.003176][ T10] ___sys_sendmsg+0xee/0x170 [ 8838.003176][ T10] __sys_sendmsg+0xcd/0x170 [ 8838.003176][ T10] do_syscall_64+0xc6/0x1e0 [ 8838.003176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8838.003176][ T10] [ 8838.005186][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8838.005186][ T10] netdev_get_by_index+0x5e/0x80 [ 8838.005186][ T10] fib6_nh_init+0x3d8/0x1580 [ 8838.005186][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8838.005186][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8838.005186][ T10] ipv6_add_addr+0x411/0x2000 [ 8838.005186][ T10] inet6_addr_add+0x30e/0xa40 [ 8838.005186][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8838.005186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8838.005186][ T10] netlink_rcv_skb+0x130/0x360 [ 8838.005186][ T10] netlink_unicast+0x449/0x710 [ 8838.005186][ T10] netlink_sendmsg+0x723/0xbe0 [ 8838.005186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8838.005186][ T10] ___sys_sendmsg+0xee/0x170 [ 8838.005186][ T10] __sys_sendmsg+0xcd/0x170 [ 8838.005186][ T10] do_syscall_64+0xc6/0x1e0 [ 8838.005186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8838.005186][ T10] [ 8838.007190][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8838.007190][ T10] netdev_get_by_index+0x5e/0x80 [ 8838.007190][ T10] fib6_nh_init+0x3d8/0x1580 [ 8838.007190][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8838.007190][ T10] ip6_route_add+0x1c/0x140 [ 8838.007190][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8838.007190][ T10] addrconf_add_dev+0xe2/0x170 [ 8838.007190][ T10] inet6_addr_add+0x12f/0xa40 [ 8838.007190][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8838.007190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8838.007190][ T10] netlink_rcv_skb+0x130/0x360 [ 8838.007190][ T10] netlink_unicast+0x449/0x710 [ 8838.007190][ T10] netlink_sendmsg+0x723/0xbe0 [ 8838.007190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8838.007190][ T10] ___sys_sendmsg+0xee/0x170 [ 8838.007190][ T10] __sys_sendmsg+0xcd/0x170 [ 8838.007190][ T10] do_syscall_64+0xc6/0x1e0 [ 8838.007190][ T10] [ 8838.009159][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8838.009159][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8838.009159][ T10] ipv6_find_idev+0x102/0x170 [ 8838.009159][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8838.009159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8838.009159][ T10] netlink_rcv_skb+0x130/0x360 [ 8838.009159][ T10] netlink_unicast+0x449/0x710 [ 8838.009159][ T10] netlink_sendmsg+0x723/0xbe0 [ 8838.009159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8838.009159][ T10] ___sys_sendmsg+0xee/0x170 [ 8838.009159][ T10] __sys_sendmsg+0xcd/0x170 [ 8838.009159][ T10] do_syscall_64+0xc6/0x1e0 [ 8838.009159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8838.009159][ T10] [ 8838.010716][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8838.010716][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8838.010716][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8838.010716][ T10] ipv6_find_idev+0x102/0x170 [ 8838.010716][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8838.010716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8838.010716][ T10] netlink_rcv_skb+0x130/0x360 [ 8838.010716][ T10] netlink_unicast+0x449/0x710 [ 8838.010716][ T10] netlink_sendmsg+0x723/0xbe0 [ 8838.010716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8838.010716][ T10] ___sys_sendmsg+0xee/0x170 [ 8838.010716][ T10] __sys_sendmsg+0xcd/0x170 [ 8838.010716][ T10] do_syscall_64+0xc6/0x1e0 [ 8838.010716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8838.010716][ T10] [ 8848.054846][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8848.055286][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8848.055286][T12167] netdev_get_by_index+0x5e/0x80 [ 8848.055286][T12167] fib6_nh_init+0x3d8/0x1580 [ 8848.055286][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8848.055286][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8848.055286][T12167] ipv6_add_addr+0x411/0x2000 [ 8848.055286][T12167] inet6_addr_add+0x30e/0xa40 [ 8848.055286][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8848.055286][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8848.055286][T12167] netlink_rcv_skb+0x130/0x360 [ 8848.055286][T12167] netlink_unicast+0x449/0x710 [ 8848.055286][T12167] netlink_sendmsg+0x723/0xbe0 [ 8848.055286][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8848.055286][T12167] ___sys_sendmsg+0xee/0x170 [ 8848.055286][T12167] __sys_sendmsg+0xcd/0x170 [ 8848.055286][T12167] do_syscall_64+0xc6/0x1e0 [ 8848.055286][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8848.055286][T12167] [ 8848.057580][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8848.057580][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8848.057580][T12167] ipv6_find_idev+0x102/0x170 [ 8848.057580][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8848.057580][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8848.057580][T12167] netlink_rcv_skb+0x130/0x360 [ 8848.057580][T12167] netlink_unicast+0x449/0x710 [ 8848.057580][T12167] netlink_sendmsg+0x723/0xbe0 [ 8848.057580][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8848.057580][T12167] ___sys_sendmsg+0xee/0x170 [ 8848.057580][T12167] __sys_sendmsg+0xcd/0x170 [ 8848.057580][T12167] do_syscall_64+0xc6/0x1e0 [ 8848.057580][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8848.057580][T12167] [ 8848.059326][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8848.059326][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8848.059326][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8848.059326][T12167] ipv6_find_idev+0x102/0x170 [ 8848.059326][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8848.059326][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8848.059326][T12167] netlink_rcv_skb+0x130/0x360 [ 8848.059326][T12167] netlink_unicast+0x449/0x710 [ 8848.059326][T12167] netlink_sendmsg+0x723/0xbe0 [ 8848.059326][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8848.059326][T12167] ___sys_sendmsg+0xee/0x170 [ 8848.059326][T12167] __sys_sendmsg+0xcd/0x170 [ 8848.059326][T12167] do_syscall_64+0xc6/0x1e0 [ 8848.059326][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8848.059326][T12167] [ 8848.062734][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 8848.063042][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 8848.063042][ T10] dst_init+0x84/0x4a0 [ 8848.063042][ T10] dst_alloc+0x97/0x150 [ 8848.063042][ T10] ip6_dst_alloc+0x23/0x90 [ 8848.063042][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8848.063042][ T10] ip6_pol_route+0x56f/0x840 [ 8848.063042][ T10] fib6_rule_lookup+0x334/0x630 [ 8848.063042][ T10] ip6_route_output_flags+0x259/0x480 [ 8848.063042][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8848.063042][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8848.063042][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 8848.063042][ T10] ____sys_sendmsg+0x772/0xa10 [ 8848.063042][ T10] ___sys_sendmsg+0xee/0x170 [ 8848.063042][ T10] __sys_sendmsg+0xcd/0x170 [ 8848.063042][ T10] do_syscall_64+0xc6/0x1e0 [ 8848.063042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8848.063042][ T10] [ 8848.064978][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8848.064978][ T10] dst_init+0x84/0x4a0 [ 8848.064978][ T10] dst_alloc+0x97/0x150 [ 8848.064978][ T10] ip6_dst_alloc+0x23/0x90 [ 8848.064978][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8848.064978][ T10] ip6_pol_route+0x56f/0x840 [ 8848.064978][ T10] fib6_rule_lookup+0x334/0x630 [ 8848.064978][ T10] ip6_route_output_flags+0x259/0x480 [ 8848.064978][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8848.064978][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8848.064978][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8848.064978][ T10] ping_v6_sendmsg+0x763/0x1150 [ 8848.064978][ T10] ____sys_sendmsg+0x772/0xa10 [ 8848.064978][ T10] ___sys_sendmsg+0xee/0x170 [ 8848.064978][ T10] __sys_sendmsg+0xcd/0x170 [ 8848.064978][ T10] do_syscall_64+0xc6/0x1e0 [ 8848.064978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8848.064978][ T10] [ 8848.067020][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8848.067020][ T10] dst_init+0x84/0x4a0 [ 8848.067020][ T10] dst_alloc+0x97/0x150 [ 8848.067020][ T10] ip6_dst_alloc+0x23/0x90 [ 8848.067020][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8848.067020][ T10] ip6_pol_route+0x56f/0x840 [ 8848.067020][ T10] fib6_rule_lookup+0x334/0x630 [ 8848.067020][ T10] ip6_route_output_flags+0x259/0x480 [ 8848.067020][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8848.067020][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8848.067020][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8848.067020][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 8848.067020][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 8848.067020][ T10] ___sys_sendmsg+0xee/0x170 [ 8848.067020][ T10] __sys_sendmsg+0xcd/0x170 [ 8848.067020][ T10] do_syscall_64+0xc6/0x1e0 [ 8848.067020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8848.067020][ T10] [ 8848.069047][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8848.069047][ T10] netdev_get_by_index+0x5e/0x80 [ 8848.069047][ T10] fib6_nh_init+0x3d8/0x1580 [ 8848.069047][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8848.069047][ T10] ip6_route_add+0x1c/0x140 [ 8848.069047][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8848.069047][ T10] inet6_addr_add+0x4f8/0xa40 [ 8848.069047][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8848.069047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8848.069047][ T10] netlink_rcv_skb+0x130/0x360 [ 8848.069047][ T10] netlink_unicast+0x449/0x710 [ 8848.069047][ T10] netlink_sendmsg+0x723/0xbe0 [ 8848.069047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8848.069047][ T10] ___sys_sendmsg+0xee/0x170 [ 8848.069047][ T10] __sys_sendmsg+0xcd/0x170 [ 8848.069047][ T10] do_syscall_64+0xc6/0x1e0 [ 8848.069047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8848.069047][ T10] [ 8848.071077][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8848.071077][ T10] netdev_get_by_index+0x5e/0x80 [ 8848.071077][ T10] fib6_nh_init+0x3d8/0x1580 [ 8848.071077][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8848.071077][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8848.071077][ T10] ipv6_add_addr+0x411/0x2000 [ 8848.071077][ T10] inet6_addr_add+0x30e/0xa40 [ 8848.071077][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8848.071077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8848.071077][ T10] netlink_rcv_skb+0x130/0x360 [ 8848.071077][ T10] netlink_unicast+0x449/0x710 [ 8848.071077][ T10] netlink_sendmsg+0x723/0xbe0 [ 8848.071077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8848.071077][ T10] ___sys_sendmsg+0xee/0x170 [ 8848.071077][ T10] __sys_sendmsg+0xcd/0x170 [ 8848.071077][ T10] do_syscall_64+0xc6/0x1e0 [ 8848.071077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8848.071077][ T10] [ 8848.073113][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8848.073113][ T10] netdev_get_by_index+0x5e/0x80 [ 8848.073113][ T10] fib6_nh_init+0x3d8/0x1580 [ 8848.073113][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8848.073113][ T10] ip6_route_add+0x1c/0x140 [ 8848.073113][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8848.073113][ T10] addrconf_add_dev+0xe2/0x170 [ 8848.073113][ T10] inet6_addr_add+0x12f/0xa40 [ 8848.073113][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8848.073113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8848.073113][ T10] netlink_rcv_skb+0x130/0x360 [ 8848.073113][ T10] netlink_unicast+0x449/0x710 [ 8848.073113][ T10] netlink_sendmsg+0x723/0xbe0 [ 8848.073113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8848.073113][ T10] ___sys_sendmsg+0xee/0x170 [ 8848.073113][ T10] __sys_sendmsg+0xcd/0x170 [ 8848.073113][ T10] do_syscall_64+0xc6/0x1e0 [ 8848.073113][ T10] [ 8848.075114][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8848.075114][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8848.075114][ T10] ipv6_find_idev+0x102/0x170 [ 8848.075114][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8848.075114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8848.075114][ T10] netlink_rcv_skb+0x130/0x360 [ 8848.075114][ T10] netlink_unicast+0x449/0x710 [ 8848.075114][ T10] netlink_sendmsg+0x723/0xbe0 [ 8848.075114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8848.075114][ T10] ___sys_sendmsg+0xee/0x170 [ 8848.075114][ T10] __sys_sendmsg+0xcd/0x170 [ 8848.075114][ T10] do_syscall_64+0xc6/0x1e0 [ 8848.075114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8848.075114][ T10] [ 8848.076671][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8848.076671][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8848.076671][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8848.076671][ T10] ipv6_find_idev+0x102/0x170 [ 8848.076671][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8848.076671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8848.076671][ T10] netlink_rcv_skb+0x130/0x360 [ 8848.076671][ T10] netlink_unicast+0x449/0x710 [ 8848.076671][ T10] netlink_sendmsg+0x723/0xbe0 [ 8848.076671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8848.076671][ T10] ___sys_sendmsg+0xee/0x170 [ 8848.076671][ T10] __sys_sendmsg+0xcd/0x170 [ 8848.076671][ T10] do_syscall_64+0xc6/0x1e0 [ 8848.076671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8848.076671][ T10] [ 8848.678763][ T42] INFO: task modprobe:12646 blocked for more than 122 seconds. [ 8848.679227][ T42] Not tainted 6.8.0-virtme #1 [ 8848.679665][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 8848.679889][ T42] task:modprobe state:D stack:25856 pid:12646 tgid:12646 ppid:44 flags:0x00004002 [ 8848.680149][ T42] Call Trace: [ 8848.680258][ T42] [ 8848.680333][ T42] __schedule+0x705/0x1ac0 [ 8848.680470][ T42] ? __pfx___schedule+0x10/0x10 [ 8848.680598][ T42] ? schedule+0x1a5/0x210 [ 8848.680711][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 8848.680843][ T42] ? mark_lock+0x38/0x3e0 [ 8848.680937][ T42] ? do_raw_spin_lock+0x131/0x270 [ 8848.681063][ T42] ? schedule+0x1a5/0x210 [ 8848.681324][ T42] schedule+0xdf/0x210 [ 8848.681420][ T42] schedule_preempt_disabled+0x15/0x30 [ 8848.681549][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 8848.681677][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 8848.681842][ T42] ? __pfx_console_unlock+0x10/0x10 [ 8848.681967][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 8848.682100][ T42] ? lock_acquire+0x1c1/0x220 [ 8848.682222][ T42] ? register_pernet_subsys+0x1a/0x50 [ 8848.682351][ T42] down_write+0x1c9/0x200 [ 8848.682452][ T42] ? __pfx_down_write+0x10/0x10 [ 8848.682575][ T42] ? __pfx__printk+0x10/0x10 [ 8848.682714][ T42] ? __pfx___lock_release+0x10/0x10 [ 8848.682841][ T42] register_pernet_subsys+0x1a/0x50 [ 8848.682967][ T42] tcf_register_action+0xa3/0x600 [ 8848.683092][ T42] ? __pfx_gact_init_module+0x10/0x10 [act_gact] [ 8848.683251][ T42] do_one_initcall+0xc8/0x3f0 [ 8848.683378][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 8848.683508][ T42] ? __create_object+0x5e/0xb0 [ 8848.683637][ T42] ? kasan_unpoison+0x27/0x60 [ 8848.683776][ T42] do_init_module+0x233/0x740 [ 8848.683910][ T42] load_module+0x16b5/0x2350 [ 8848.684056][ T42] ? __pfx_load_module+0x10/0x10 [ 8848.684179][ T42] ? kernel_read_file+0x3d2/0x520 [ 8848.684307][ T42] ? kernel_read_file+0x300/0x520 [ 8848.684433][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 8848.684567][ T42] ? init_module_from_file+0xd2/0x130 [ 8848.684704][ T42] init_module_from_file+0xd2/0x130 [ 8848.684828][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 8848.684981][ T42] ? __lock_release+0x103/0x460 [ 8848.685103][ T42] ? idempotent_init_module+0x32a/0x620 [ 8848.685238][ T42] ? idempotent_init_module+0x32a/0x620 [ 8848.685364][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 8848.685490][ T42] idempotent_init_module+0x342/0x620 [ 8848.685618][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 8848.685800][ T42] __x64_sys_finit_module+0xbe/0x130 [ 8848.685936][ T42] do_syscall_64+0xc6/0x1e0 [ 8848.686062][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8848.686217][ T42] RIP: 0033:0x7fac120f1e5d [ 8848.686352][ T42] RSP: 002b:00007ffc57d8a578 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 8848.686562][ T42] RAX: ffffffffffffffda RBX: 0000557fdddd7c80 RCX: 00007fac120f1e5d [ 8848.686772][ T42] RDX: 0000000000000000 RSI: 0000557fb6aeba2a RDI: 0000000000000000 [ 8848.686962][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffc57d8a6b0 [ 8848.687148][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557fb6aeba2a [ 8848.687332][ T42] R13: 0000557fdddd7ac0 R14: 0000557fdddd80b0 R15: 0000557fdddd7cf1 [ 8848.687531][ T42] [ 8848.687631][ T42] [ 8848.687631][ T42] Showing all locks held in the system: [ 8848.687822][ T42] 3 locks held by kworker/u16:0/10: [ 8848.687945][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 8848.688198][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 8848.688414][ T42] #2: ffffffff91f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 8848.688641][ T42] 1 lock held by khungtaskd/42: [ 8848.688765][ T42] #0: ffffffff917591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 8848.688984][ T42] 2 locks held by kworker/u17:1/44: [ 8848.689101][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 8848.689349][ T42] #1: ffffc90000317da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 8848.689632][ T42] 1 lock held by modprobe/12646: [ 8848.689758][ T42] #0: ffffffff91f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 8848.690001][ T42] [ 8848.690066][ T42] ============================================= [ 8848.690066][ T42] [ 8858.062827][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8858.063314][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8858.063314][T12167] netdev_get_by_index+0x5e/0x80 [ 8858.063314][T12167] fib6_nh_init+0x3d8/0x1580 [ 8858.063314][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8858.063314][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8858.063314][T12167] ipv6_add_addr+0x411/0x2000 [ 8858.063314][T12167] inet6_addr_add+0x30e/0xa40 [ 8858.063314][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8858.063314][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8858.063314][T12167] netlink_rcv_skb+0x130/0x360 [ 8858.063314][T12167] netlink_unicast+0x449/0x710 [ 8858.063314][T12167] netlink_sendmsg+0x723/0xbe0 [ 8858.063314][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8858.063314][T12167] ___sys_sendmsg+0xee/0x170 [ 8858.063314][T12167] __sys_sendmsg+0xcd/0x170 [ 8858.063314][T12167] do_syscall_64+0xc6/0x1e0 [ 8858.063314][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8858.063314][T12167] [ 8858.065598][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8858.065598][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8858.065598][T12167] ipv6_find_idev+0x102/0x170 [ 8858.065598][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8858.065598][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8858.065598][T12167] netlink_rcv_skb+0x130/0x360 [ 8858.065598][T12167] netlink_unicast+0x449/0x710 [ 8858.065598][T12167] netlink_sendmsg+0x723/0xbe0 [ 8858.065598][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8858.065598][T12167] ___sys_sendmsg+0xee/0x170 [ 8858.065598][T12167] __sys_sendmsg+0xcd/0x170 [ 8858.065598][T12167] do_syscall_64+0xc6/0x1e0 [ 8858.065598][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8858.065598][T12167] [ 8858.067331][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8858.067331][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8858.067331][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8858.067331][T12167] ipv6_find_idev+0x102/0x170 [ 8858.067331][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8858.067331][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8858.067331][T12167] netlink_rcv_skb+0x130/0x360 [ 8858.067331][T12167] netlink_unicast+0x449/0x710 [ 8858.067331][T12167] netlink_sendmsg+0x723/0xbe0 [ 8858.067331][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8858.067331][T12167] ___sys_sendmsg+0xee/0x170 [ 8858.067331][T12167] __sys_sendmsg+0xcd/0x170 [ 8858.067331][T12167] do_syscall_64+0xc6/0x1e0 [ 8858.067331][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8858.067331][T12167] [ 8858.318896][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 8858.319304][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 8858.319304][ T10] dst_init+0x84/0x4a0 [ 8858.319304][ T10] dst_alloc+0x97/0x150 [ 8858.319304][ T10] ip6_dst_alloc+0x23/0x90 [ 8858.319304][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8858.319304][ T10] ip6_pol_route+0x56f/0x840 [ 8858.319304][ T10] fib6_rule_lookup+0x334/0x630 [ 8858.319304][ T10] ip6_route_output_flags+0x259/0x480 [ 8858.319304][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8858.319304][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8858.319304][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 8858.319304][ T10] ____sys_sendmsg+0x772/0xa10 [ 8858.319304][ T10] ___sys_sendmsg+0xee/0x170 [ 8858.319304][ T10] __sys_sendmsg+0xcd/0x170 [ 8858.319304][ T10] do_syscall_64+0xc6/0x1e0 [ 8858.319304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8858.319304][ T10] [ 8858.321277][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8858.321277][ T10] dst_init+0x84/0x4a0 [ 8858.321277][ T10] dst_alloc+0x97/0x150 [ 8858.321277][ T10] ip6_dst_alloc+0x23/0x90 [ 8858.321277][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8858.321277][ T10] ip6_pol_route+0x56f/0x840 [ 8858.321277][ T10] fib6_rule_lookup+0x334/0x630 [ 8858.321277][ T10] ip6_route_output_flags+0x259/0x480 [ 8858.321277][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8858.321277][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8858.321277][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8858.321277][ T10] ping_v6_sendmsg+0x763/0x1150 [ 8858.321277][ T10] ____sys_sendmsg+0x772/0xa10 [ 8858.321277][ T10] ___sys_sendmsg+0xee/0x170 [ 8858.321277][ T10] __sys_sendmsg+0xcd/0x170 [ 8858.321277][ T10] do_syscall_64+0xc6/0x1e0 [ 8858.321277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8858.321277][ T10] [ 8858.323295][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8858.323295][ T10] dst_init+0x84/0x4a0 [ 8858.323295][ T10] dst_alloc+0x97/0x150 [ 8858.323295][ T10] ip6_dst_alloc+0x23/0x90 [ 8858.323295][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8858.323295][ T10] ip6_pol_route+0x56f/0x840 [ 8858.323295][ T10] fib6_rule_lookup+0x334/0x630 [ 8858.323295][ T10] ip6_route_output_flags+0x259/0x480 [ 8858.323295][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8858.323295][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8858.323295][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8858.323295][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 8858.323295][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 8858.323295][ T10] ___sys_sendmsg+0xee/0x170 [ 8858.323295][ T10] __sys_sendmsg+0xcd/0x170 [ 8858.323295][ T10] do_syscall_64+0xc6/0x1e0 [ 8858.323295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8858.323295][ T10] [ 8858.325686][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8858.325686][ T10] netdev_get_by_index+0x5e/0x80 [ 8858.325686][ T10] fib6_nh_init+0x3d8/0x1580 [ 8858.325686][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8858.325686][ T10] ip6_route_add+0x1c/0x140 [ 8858.325686][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8858.325686][ T10] inet6_addr_add+0x4f8/0xa40 [ 8858.325686][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8858.325686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8858.325686][ T10] netlink_rcv_skb+0x130/0x360 [ 8858.325686][ T10] netlink_unicast+0x449/0x710 [ 8858.325686][ T10] netlink_sendmsg+0x723/0xbe0 [ 8858.325686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8858.325686][ T10] ___sys_sendmsg+0xee/0x170 [ 8858.325686][ T10] __sys_sendmsg+0xcd/0x170 [ 8858.325686][ T10] do_syscall_64+0xc6/0x1e0 [ 8858.325686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8858.325686][ T10] [ 8858.327717][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8858.327717][ T10] netdev_get_by_index+0x5e/0x80 [ 8858.327717][ T10] fib6_nh_init+0x3d8/0x1580 [ 8858.327717][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8858.327717][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8858.327717][ T10] ipv6_add_addr+0x411/0x2000 [ 8858.327717][ T10] inet6_addr_add+0x30e/0xa40 [ 8858.327717][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8858.327717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8858.327717][ T10] netlink_rcv_skb+0x130/0x360 [ 8858.327717][ T10] netlink_unicast+0x449/0x710 [ 8858.327717][ T10] netlink_sendmsg+0x723/0xbe0 [ 8858.327717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8858.327717][ T10] ___sys_sendmsg+0xee/0x170 [ 8858.327717][ T10] __sys_sendmsg+0xcd/0x170 [ 8858.327717][ T10] do_syscall_64+0xc6/0x1e0 [ 8858.327717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8858.327717][ T10] [ 8858.329731][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8858.329731][ T10] netdev_get_by_index+0x5e/0x80 [ 8858.329731][ T10] fib6_nh_init+0x3d8/0x1580 [ 8858.329731][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8858.329731][ T10] ip6_route_add+0x1c/0x140 [ 8858.329731][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8858.329731][ T10] addrconf_add_dev+0xe2/0x170 [ 8858.329731][ T10] inet6_addr_add+0x12f/0xa40 [ 8858.329731][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8858.329731][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8858.329731][ T10] netlink_rcv_skb+0x130/0x360 [ 8858.329731][ T10] netlink_unicast+0x449/0x710 [ 8858.329731][ T10] netlink_sendmsg+0x723/0xbe0 [ 8858.329731][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8858.329731][ T10] ___sys_sendmsg+0xee/0x170 [ 8858.329731][ T10] __sys_sendmsg+0xcd/0x170 [ 8858.329731][ T10] do_syscall_64+0xc6/0x1e0 [ 8858.329731][ T10] [ 8858.331721][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8858.331721][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8858.331721][ T10] ipv6_find_idev+0x102/0x170 [ 8858.331721][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8858.331721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8858.331721][ T10] netlink_rcv_skb+0x130/0x360 [ 8858.331721][ T10] netlink_unicast+0x449/0x710 [ 8858.331721][ T10] netlink_sendmsg+0x723/0xbe0 [ 8858.331721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8858.331721][ T10] ___sys_sendmsg+0xee/0x170 [ 8858.331721][ T10] __sys_sendmsg+0xcd/0x170 [ 8858.331721][ T10] do_syscall_64+0xc6/0x1e0 [ 8858.331721][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8858.331721][ T10] [ 8858.333272][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8858.333272][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8858.333272][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8858.333272][ T10] ipv6_find_idev+0x102/0x170 [ 8858.333272][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8858.333272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8858.333272][ T10] netlink_rcv_skb+0x130/0x360 [ 8858.333272][ T10] netlink_unicast+0x449/0x710 [ 8858.333272][ T10] netlink_sendmsg+0x723/0xbe0 [ 8858.333272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8858.333272][ T10] ___sys_sendmsg+0xee/0x170 [ 8858.333272][ T10] __sys_sendmsg+0xcd/0x170 [ 8858.333272][ T10] do_syscall_64+0xc6/0x1e0 [ 8858.333272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8858.333272][ T10] [ 8868.070743][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8868.071249][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8868.071249][T12167] netdev_get_by_index+0x5e/0x80 [ 8868.071249][T12167] fib6_nh_init+0x3d8/0x1580 [ 8868.071249][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8868.071249][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8868.071249][T12167] ipv6_add_addr+0x411/0x2000 [ 8868.071249][T12167] inet6_addr_add+0x30e/0xa40 [ 8868.071249][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8868.071249][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8868.071249][T12167] netlink_rcv_skb+0x130/0x360 [ 8868.071249][T12167] netlink_unicast+0x449/0x710 [ 8868.071249][T12167] netlink_sendmsg+0x723/0xbe0 [ 8868.071249][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8868.071249][T12167] ___sys_sendmsg+0xee/0x170 [ 8868.071249][T12167] __sys_sendmsg+0xcd/0x170 [ 8868.071249][T12167] do_syscall_64+0xc6/0x1e0 [ 8868.071249][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8868.071249][T12167] [ 8868.073526][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8868.073526][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8868.073526][T12167] ipv6_find_idev+0x102/0x170 [ 8868.073526][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8868.073526][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8868.073526][T12167] netlink_rcv_skb+0x130/0x360 [ 8868.073526][T12167] netlink_unicast+0x449/0x710 [ 8868.073526][T12167] netlink_sendmsg+0x723/0xbe0 [ 8868.073526][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8868.073526][T12167] ___sys_sendmsg+0xee/0x170 [ 8868.073526][T12167] __sys_sendmsg+0xcd/0x170 [ 8868.073526][T12167] do_syscall_64+0xc6/0x1e0 [ 8868.073526][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8868.073526][T12167] [ 8868.075272][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8868.075272][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8868.075272][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8868.075272][T12167] ipv6_find_idev+0x102/0x170 [ 8868.075272][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8868.075272][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8868.075272][T12167] netlink_rcv_skb+0x130/0x360 [ 8868.075272][T12167] netlink_unicast+0x449/0x710 [ 8868.075272][T12167] netlink_sendmsg+0x723/0xbe0 [ 8868.075272][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8868.075272][T12167] ___sys_sendmsg+0xee/0x170 [ 8868.075272][T12167] __sys_sendmsg+0xcd/0x170 [ 8868.075272][T12167] do_syscall_64+0xc6/0x1e0 [ 8868.075272][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8868.075272][T12167] [ 8868.582827][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 8868.583366][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 8868.583366][ T10] dst_init+0x84/0x4a0 [ 8868.583366][ T10] dst_alloc+0x97/0x150 [ 8868.583366][ T10] ip6_dst_alloc+0x23/0x90 [ 8868.583366][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8868.583366][ T10] ip6_pol_route+0x56f/0x840 [ 8868.583366][ T10] fib6_rule_lookup+0x334/0x630 [ 8868.583366][ T10] ip6_route_output_flags+0x259/0x480 [ 8868.583366][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8868.583366][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8868.583366][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 8868.583366][ T10] ____sys_sendmsg+0x772/0xa10 [ 8868.583366][ T10] ___sys_sendmsg+0xee/0x170 [ 8868.583366][ T10] __sys_sendmsg+0xcd/0x170 [ 8868.583366][ T10] do_syscall_64+0xc6/0x1e0 [ 8868.583366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8868.583366][ T10] [ 8868.585312][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8868.585312][ T10] dst_init+0x84/0x4a0 [ 8868.585312][ T10] dst_alloc+0x97/0x150 [ 8868.585312][ T10] ip6_dst_alloc+0x23/0x90 [ 8868.585312][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8868.585312][ T10] ip6_pol_route+0x56f/0x840 [ 8868.585312][ T10] fib6_rule_lookup+0x334/0x630 [ 8868.585312][ T10] ip6_route_output_flags+0x259/0x480 [ 8868.585312][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8868.585312][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8868.585312][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8868.585312][ T10] ping_v6_sendmsg+0x763/0x1150 [ 8868.585312][ T10] ____sys_sendmsg+0x772/0xa10 [ 8868.585312][ T10] ___sys_sendmsg+0xee/0x170 [ 8868.585312][ T10] __sys_sendmsg+0xcd/0x170 [ 8868.585312][ T10] do_syscall_64+0xc6/0x1e0 [ 8868.585312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8868.585312][ T10] [ 8868.587321][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8868.587321][ T10] dst_init+0x84/0x4a0 [ 8868.587321][ T10] dst_alloc+0x97/0x150 [ 8868.587321][ T10] ip6_dst_alloc+0x23/0x90 [ 8868.587321][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8868.587321][ T10] ip6_pol_route+0x56f/0x840 [ 8868.587321][ T10] fib6_rule_lookup+0x334/0x630 [ 8868.587321][ T10] ip6_route_output_flags+0x259/0x480 [ 8868.587321][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8868.587321][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8868.587321][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8868.587321][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 8868.587321][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 8868.587321][ T10] ___sys_sendmsg+0xee/0x170 [ 8868.587321][ T10] __sys_sendmsg+0xcd/0x170 [ 8868.587321][ T10] do_syscall_64+0xc6/0x1e0 [ 8868.587321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8868.587321][ T10] [ 8868.589339][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8868.589339][ T10] netdev_get_by_index+0x5e/0x80 [ 8868.589339][ T10] fib6_nh_init+0x3d8/0x1580 [ 8868.589339][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8868.589339][ T10] ip6_route_add+0x1c/0x140 [ 8868.589339][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8868.589339][ T10] inet6_addr_add+0x4f8/0xa40 [ 8868.589339][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8868.589339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8868.589339][ T10] netlink_rcv_skb+0x130/0x360 [ 8868.589339][ T10] netlink_unicast+0x449/0x710 [ 8868.589339][ T10] netlink_sendmsg+0x723/0xbe0 [ 8868.589339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8868.589339][ T10] ___sys_sendmsg+0xee/0x170 [ 8868.589339][ T10] __sys_sendmsg+0xcd/0x170 [ 8868.589339][ T10] do_syscall_64+0xc6/0x1e0 [ 8868.589339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8868.589339][ T10] [ 8868.591346][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8868.591346][ T10] netdev_get_by_index+0x5e/0x80 [ 8868.591346][ T10] fib6_nh_init+0x3d8/0x1580 [ 8868.591346][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8868.591346][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8868.591346][ T10] ipv6_add_addr+0x411/0x2000 [ 8868.591346][ T10] inet6_addr_add+0x30e/0xa40 [ 8868.591346][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8868.591346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8868.591346][ T10] netlink_rcv_skb+0x130/0x360 [ 8868.591346][ T10] netlink_unicast+0x449/0x710 [ 8868.591346][ T10] netlink_sendmsg+0x723/0xbe0 [ 8868.591346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8868.591346][ T10] ___sys_sendmsg+0xee/0x170 [ 8868.591346][ T10] __sys_sendmsg+0xcd/0x170 [ 8868.591346][ T10] do_syscall_64+0xc6/0x1e0 [ 8868.591346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8868.591346][ T10] [ 8868.593706][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8868.593706][ T10] netdev_get_by_index+0x5e/0x80 [ 8868.593706][ T10] fib6_nh_init+0x3d8/0x1580 [ 8868.593706][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8868.593706][ T10] ip6_route_add+0x1c/0x140 [ 8868.593706][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8868.593706][ T10] addrconf_add_dev+0xe2/0x170 [ 8868.593706][ T10] inet6_addr_add+0x12f/0xa40 [ 8868.593706][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8868.593706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8868.593706][ T10] netlink_rcv_skb+0x130/0x360 [ 8868.593706][ T10] netlink_unicast+0x449/0x710 [ 8868.593706][ T10] netlink_sendmsg+0x723/0xbe0 [ 8868.593706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8868.593706][ T10] ___sys_sendmsg+0xee/0x170 [ 8868.593706][ T10] __sys_sendmsg+0xcd/0x170 [ 8868.593706][ T10] do_syscall_64+0xc6/0x1e0 [ 8868.593706][ T10] [ 8868.596085][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8868.596085][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8868.596085][ T10] ipv6_find_idev+0x102/0x170 [ 8868.596085][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8868.596085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8868.596085][ T10] netlink_rcv_skb+0x130/0x360 [ 8868.596085][ T10] netlink_unicast+0x449/0x710 [ 8868.596085][ T10] netlink_sendmsg+0x723/0xbe0 [ 8868.596085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8868.596085][ T10] ___sys_sendmsg+0xee/0x170 [ 8868.596085][ T10] __sys_sendmsg+0xcd/0x170 [ 8868.596085][ T10] do_syscall_64+0xc6/0x1e0 [ 8868.596085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8868.596085][ T10] [ 8868.597946][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8868.597946][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8868.597946][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8868.597946][ T10] ipv6_find_idev+0x102/0x170 [ 8868.597946][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8868.597946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8868.597946][ T10] netlink_rcv_skb+0x130/0x360 [ 8868.597946][ T10] netlink_unicast+0x449/0x710 [ 8868.597946][ T10] netlink_sendmsg+0x723/0xbe0 [ 8868.597946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8868.597946][ T10] ___sys_sendmsg+0xee/0x170 [ 8868.597946][ T10] __sys_sendmsg+0xcd/0x170 [ 8868.597946][ T10] do_syscall_64+0xc6/0x1e0 [ 8868.597946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8868.597946][ T10] [ 8878.150833][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8878.151336][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8878.151336][T12167] netdev_get_by_index+0x5e/0x80 [ 8878.151336][T12167] fib6_nh_init+0x3d8/0x1580 [ 8878.151336][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8878.151336][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8878.151336][T12167] ipv6_add_addr+0x411/0x2000 [ 8878.151336][T12167] inet6_addr_add+0x30e/0xa40 [ 8878.151336][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8878.151336][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8878.151336][T12167] netlink_rcv_skb+0x130/0x360 [ 8878.151336][T12167] netlink_unicast+0x449/0x710 [ 8878.151336][T12167] netlink_sendmsg+0x723/0xbe0 [ 8878.151336][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8878.151336][T12167] ___sys_sendmsg+0xee/0x170 [ 8878.151336][T12167] __sys_sendmsg+0xcd/0x170 [ 8878.151336][T12167] do_syscall_64+0xc6/0x1e0 [ 8878.151336][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8878.151336][T12167] [ 8878.153608][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8878.153608][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8878.153608][T12167] ipv6_find_idev+0x102/0x170 [ 8878.153608][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8878.153608][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8878.153608][T12167] netlink_rcv_skb+0x130/0x360 [ 8878.153608][T12167] netlink_unicast+0x449/0x710 [ 8878.153608][T12167] netlink_sendmsg+0x723/0xbe0 [ 8878.153608][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8878.153608][T12167] ___sys_sendmsg+0xee/0x170 [ 8878.153608][T12167] __sys_sendmsg+0xcd/0x170 [ 8878.153608][T12167] do_syscall_64+0xc6/0x1e0 [ 8878.153608][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8878.153608][T12167] [ 8878.155344][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8878.155344][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8878.155344][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8878.155344][T12167] ipv6_find_idev+0x102/0x170 [ 8878.155344][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8878.155344][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8878.155344][T12167] netlink_rcv_skb+0x130/0x360 [ 8878.155344][T12167] netlink_unicast+0x449/0x710 [ 8878.155344][T12167] netlink_sendmsg+0x723/0xbe0 [ 8878.155344][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8878.155344][T12167] ___sys_sendmsg+0xee/0x170 [ 8878.155344][T12167] __sys_sendmsg+0xcd/0x170 [ 8878.155344][T12167] do_syscall_64+0xc6/0x1e0 [ 8878.155344][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8878.155344][T12167] [ 8878.662883][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 8878.663656][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 8878.663656][ T10] dst_init+0x84/0x4a0 [ 8878.663656][ T10] dst_alloc+0x97/0x150 [ 8878.663656][ T10] ip6_dst_alloc+0x23/0x90 [ 8878.663656][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8878.663656][ T10] ip6_pol_route+0x56f/0x840 [ 8878.663656][ T10] fib6_rule_lookup+0x334/0x630 [ 8878.663656][ T10] ip6_route_output_flags+0x259/0x480 [ 8878.663656][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8878.663656][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8878.663656][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 8878.663656][ T10] ____sys_sendmsg+0x772/0xa10 [ 8878.663656][ T10] ___sys_sendmsg+0xee/0x170 [ 8878.663656][ T10] __sys_sendmsg+0xcd/0x170 [ 8878.663656][ T10] do_syscall_64+0xc6/0x1e0 [ 8878.663656][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8878.663656][ T10] [ 8878.665577][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8878.665577][ T10] dst_init+0x84/0x4a0 [ 8878.665577][ T10] dst_alloc+0x97/0x150 [ 8878.665577][ T10] ip6_dst_alloc+0x23/0x90 [ 8878.665577][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8878.665577][ T10] ip6_pol_route+0x56f/0x840 [ 8878.665577][ T10] fib6_rule_lookup+0x334/0x630 [ 8878.665577][ T10] ip6_route_output_flags+0x259/0x480 [ 8878.665577][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8878.665577][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8878.665577][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8878.665577][ T10] ping_v6_sendmsg+0x763/0x1150 [ 8878.665577][ T10] ____sys_sendmsg+0x772/0xa10 [ 8878.665577][ T10] ___sys_sendmsg+0xee/0x170 [ 8878.665577][ T10] __sys_sendmsg+0xcd/0x170 [ 8878.665577][ T10] do_syscall_64+0xc6/0x1e0 [ 8878.665577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8878.665577][ T10] [ 8878.667594][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8878.667594][ T10] dst_init+0x84/0x4a0 [ 8878.667594][ T10] dst_alloc+0x97/0x150 [ 8878.667594][ T10] ip6_dst_alloc+0x23/0x90 [ 8878.667594][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8878.667594][ T10] ip6_pol_route+0x56f/0x840 [ 8878.667594][ T10] fib6_rule_lookup+0x334/0x630 [ 8878.667594][ T10] ip6_route_output_flags+0x259/0x480 [ 8878.667594][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8878.667594][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8878.667594][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8878.667594][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 8878.667594][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 8878.667594][ T10] ___sys_sendmsg+0xee/0x170 [ 8878.667594][ T10] __sys_sendmsg+0xcd/0x170 [ 8878.667594][ T10] do_syscall_64+0xc6/0x1e0 [ 8878.667594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8878.667594][ T10] [ 8878.669619][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8878.669619][ T10] netdev_get_by_index+0x5e/0x80 [ 8878.669619][ T10] fib6_nh_init+0x3d8/0x1580 [ 8878.669619][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8878.669619][ T10] ip6_route_add+0x1c/0x140 [ 8878.669619][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8878.669619][ T10] inet6_addr_add+0x4f8/0xa40 [ 8878.669619][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8878.669619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8878.669619][ T10] netlink_rcv_skb+0x130/0x360 [ 8878.669619][ T10] netlink_unicast+0x449/0x710 [ 8878.669619][ T10] netlink_sendmsg+0x723/0xbe0 [ 8878.669619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8878.669619][ T10] ___sys_sendmsg+0xee/0x170 [ 8878.669619][ T10] __sys_sendmsg+0xcd/0x170 [ 8878.669619][ T10] do_syscall_64+0xc6/0x1e0 [ 8878.669619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8878.669619][ T10] [ 8878.671652][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8878.671652][ T10] netdev_get_by_index+0x5e/0x80 [ 8878.671652][ T10] fib6_nh_init+0x3d8/0x1580 [ 8878.671652][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8878.671652][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8878.671652][ T10] ipv6_add_addr+0x411/0x2000 [ 8878.671652][ T10] inet6_addr_add+0x30e/0xa40 [ 8878.671652][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8878.671652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8878.671652][ T10] netlink_rcv_skb+0x130/0x360 [ 8878.671652][ T10] netlink_unicast+0x449/0x710 [ 8878.671652][ T10] netlink_sendmsg+0x723/0xbe0 [ 8878.671652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8878.671652][ T10] ___sys_sendmsg+0xee/0x170 [ 8878.671652][ T10] __sys_sendmsg+0xcd/0x170 [ 8878.671652][ T10] do_syscall_64+0xc6/0x1e0 [ 8878.671652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8878.671652][ T10] [ 8878.673680][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8878.673680][ T10] netdev_get_by_index+0x5e/0x80 [ 8878.673680][ T10] fib6_nh_init+0x3d8/0x1580 [ 8878.673680][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8878.673680][ T10] ip6_route_add+0x1c/0x140 [ 8878.673680][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8878.673680][ T10] addrconf_add_dev+0xe2/0x170 [ 8878.673680][ T10] inet6_addr_add+0x12f/0xa40 [ 8878.673680][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8878.673680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8878.673680][ T10] netlink_rcv_skb+0x130/0x360 [ 8878.673680][ T10] netlink_unicast+0x449/0x710 [ 8878.673680][ T10] netlink_sendmsg+0x723/0xbe0 [ 8878.673680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8878.673680][ T10] ___sys_sendmsg+0xee/0x170 [ 8878.673680][ T10] __sys_sendmsg+0xcd/0x170 [ 8878.673680][ T10] do_syscall_64+0xc6/0x1e0 [ 8878.673680][ T10] [ 8878.675677][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8878.675677][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8878.675677][ T10] ipv6_find_idev+0x102/0x170 [ 8878.675677][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8878.675677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8878.675677][ T10] netlink_rcv_skb+0x130/0x360 [ 8878.675677][ T10] netlink_unicast+0x449/0x710 [ 8878.675677][ T10] netlink_sendmsg+0x723/0xbe0 [ 8878.675677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8878.675677][ T10] ___sys_sendmsg+0xee/0x170 [ 8878.675677][ T10] __sys_sendmsg+0xcd/0x170 [ 8878.675677][ T10] do_syscall_64+0xc6/0x1e0 [ 8878.675677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8878.675677][ T10] [ 8878.677238][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8878.677238][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8878.677238][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8878.677238][ T10] ipv6_find_idev+0x102/0x170 [ 8878.677238][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8878.677238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8878.677238][ T10] netlink_rcv_skb+0x130/0x360 [ 8878.677238][ T10] netlink_unicast+0x449/0x710 [ 8878.677238][ T10] netlink_sendmsg+0x723/0xbe0 [ 8878.677238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8878.677238][ T10] ___sys_sendmsg+0xee/0x170 [ 8878.677238][ T10] __sys_sendmsg+0xcd/0x170 [ 8878.677238][ T10] do_syscall_64+0xc6/0x1e0 [ 8878.677238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8878.677238][ T10] [ 8888.398837][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8888.399324][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8888.399324][T12167] netdev_get_by_index+0x5e/0x80 [ 8888.399324][T12167] fib6_nh_init+0x3d8/0x1580 [ 8888.399324][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8888.399324][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8888.399324][T12167] ipv6_add_addr+0x411/0x2000 [ 8888.399324][T12167] inet6_addr_add+0x30e/0xa40 [ 8888.399324][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8888.399324][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8888.399324][T12167] netlink_rcv_skb+0x130/0x360 [ 8888.399324][T12167] netlink_unicast+0x449/0x710 [ 8888.399324][T12167] netlink_sendmsg+0x723/0xbe0 [ 8888.399324][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8888.399324][T12167] ___sys_sendmsg+0xee/0x170 [ 8888.399324][T12167] __sys_sendmsg+0xcd/0x170 [ 8888.399324][T12167] do_syscall_64+0xc6/0x1e0 [ 8888.399324][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8888.399324][T12167] [ 8888.401594][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8888.401594][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8888.401594][T12167] ipv6_find_idev+0x102/0x170 [ 8888.401594][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8888.401594][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8888.401594][T12167] netlink_rcv_skb+0x130/0x360 [ 8888.401594][T12167] netlink_unicast+0x449/0x710 [ 8888.401594][T12167] netlink_sendmsg+0x723/0xbe0 [ 8888.401594][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8888.401594][T12167] ___sys_sendmsg+0xee/0x170 [ 8888.401594][T12167] __sys_sendmsg+0xcd/0x170 [ 8888.401594][T12167] do_syscall_64+0xc6/0x1e0 [ 8888.401594][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8888.401594][T12167] [ 8888.403325][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8888.403325][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8888.403325][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8888.403325][T12167] ipv6_find_idev+0x102/0x170 [ 8888.403325][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8888.403325][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8888.403325][T12167] netlink_rcv_skb+0x130/0x360 [ 8888.403325][T12167] netlink_unicast+0x449/0x710 [ 8888.403325][T12167] netlink_sendmsg+0x723/0xbe0 [ 8888.403325][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8888.403325][T12167] ___sys_sendmsg+0xee/0x170 [ 8888.403325][T12167] __sys_sendmsg+0xcd/0x170 [ 8888.403325][T12167] do_syscall_64+0xc6/0x1e0 [ 8888.403325][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8888.403325][T12167] [ 8888.926812][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 8888.927209][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 8888.927209][ T10] dst_init+0x84/0x4a0 [ 8888.927209][ T10] dst_alloc+0x97/0x150 [ 8888.927209][ T10] ip6_dst_alloc+0x23/0x90 [ 8888.927209][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8888.927209][ T10] ip6_pol_route+0x56f/0x840 [ 8888.927209][ T10] fib6_rule_lookup+0x334/0x630 [ 8888.927209][ T10] ip6_route_output_flags+0x259/0x480 [ 8888.927209][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8888.927209][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8888.927209][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 8888.927209][ T10] ____sys_sendmsg+0x772/0xa10 [ 8888.927209][ T10] ___sys_sendmsg+0xee/0x170 [ 8888.927209][ T10] __sys_sendmsg+0xcd/0x170 [ 8888.927209][ T10] do_syscall_64+0xc6/0x1e0 [ 8888.927209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8888.927209][ T10] [ 8888.929104][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8888.929104][ T10] dst_init+0x84/0x4a0 [ 8888.929104][ T10] dst_alloc+0x97/0x150 [ 8888.929104][ T10] ip6_dst_alloc+0x23/0x90 [ 8888.929104][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8888.929104][ T10] ip6_pol_route+0x56f/0x840 [ 8888.929104][ T10] fib6_rule_lookup+0x334/0x630 [ 8888.929104][ T10] ip6_route_output_flags+0x259/0x480 [ 8888.929104][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8888.929104][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8888.929104][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8888.929104][ T10] ping_v6_sendmsg+0x763/0x1150 [ 8888.929104][ T10] ____sys_sendmsg+0x772/0xa10 [ 8888.929104][ T10] ___sys_sendmsg+0xee/0x170 [ 8888.929104][ T10] __sys_sendmsg+0xcd/0x170 [ 8888.929104][ T10] do_syscall_64+0xc6/0x1e0 [ 8888.929104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8888.929104][ T10] [ 8888.931100][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8888.931100][ T10] dst_init+0x84/0x4a0 [ 8888.931100][ T10] dst_alloc+0x97/0x150 [ 8888.931100][ T10] ip6_dst_alloc+0x23/0x90 [ 8888.931100][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8888.931100][ T10] ip6_pol_route+0x56f/0x840 [ 8888.931100][ T10] fib6_rule_lookup+0x334/0x630 [ 8888.931100][ T10] ip6_route_output_flags+0x259/0x480 [ 8888.931100][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8888.931100][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8888.931100][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8888.931100][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 8888.931100][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 8888.931100][ T10] ___sys_sendmsg+0xee/0x170 [ 8888.931100][ T10] __sys_sendmsg+0xcd/0x170 [ 8888.931100][ T10] do_syscall_64+0xc6/0x1e0 [ 8888.931100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8888.931100][ T10] [ 8888.933115][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8888.933115][ T10] netdev_get_by_index+0x5e/0x80 [ 8888.933115][ T10] fib6_nh_init+0x3d8/0x1580 [ 8888.933115][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8888.933115][ T10] ip6_route_add+0x1c/0x140 [ 8888.933115][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8888.933115][ T10] inet6_addr_add+0x4f8/0xa40 [ 8888.933115][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8888.933115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8888.933115][ T10] netlink_rcv_skb+0x130/0x360 [ 8888.933115][ T10] netlink_unicast+0x449/0x710 [ 8888.933115][ T10] netlink_sendmsg+0x723/0xbe0 [ 8888.933115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8888.933115][ T10] ___sys_sendmsg+0xee/0x170 [ 8888.933115][ T10] __sys_sendmsg+0xcd/0x170 [ 8888.933115][ T10] do_syscall_64+0xc6/0x1e0 [ 8888.933115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8888.933115][ T10] [ 8888.935130][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8888.935130][ T10] netdev_get_by_index+0x5e/0x80 [ 8888.935130][ T10] fib6_nh_init+0x3d8/0x1580 [ 8888.935130][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8888.935130][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8888.935130][ T10] ipv6_add_addr+0x411/0x2000 [ 8888.935130][ T10] inet6_addr_add+0x30e/0xa40 [ 8888.935130][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8888.935130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8888.935130][ T10] netlink_rcv_skb+0x130/0x360 [ 8888.935130][ T10] netlink_unicast+0x449/0x710 [ 8888.935130][ T10] netlink_sendmsg+0x723/0xbe0 [ 8888.935130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8888.935130][ T10] ___sys_sendmsg+0xee/0x170 [ 8888.935130][ T10] __sys_sendmsg+0xcd/0x170 [ 8888.935130][ T10] do_syscall_64+0xc6/0x1e0 [ 8888.935130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8888.935130][ T10] [ 8888.937127][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8888.937127][ T10] netdev_get_by_index+0x5e/0x80 [ 8888.937127][ T10] fib6_nh_init+0x3d8/0x1580 [ 8888.937127][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8888.937127][ T10] ip6_route_add+0x1c/0x140 [ 8888.937127][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8888.937127][ T10] addrconf_add_dev+0xe2/0x170 [ 8888.937127][ T10] inet6_addr_add+0x12f/0xa40 [ 8888.937127][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8888.937127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8888.937127][ T10] netlink_rcv_skb+0x130/0x360 [ 8888.937127][ T10] netlink_unicast+0x449/0x710 [ 8888.937127][ T10] netlink_sendmsg+0x723/0xbe0 [ 8888.937127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8888.937127][ T10] ___sys_sendmsg+0xee/0x170 [ 8888.937127][ T10] __sys_sendmsg+0xcd/0x170 [ 8888.937127][ T10] do_syscall_64+0xc6/0x1e0 [ 8888.937127][ T10] [ 8888.939092][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8888.939092][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8888.939092][ T10] ipv6_find_idev+0x102/0x170 [ 8888.939092][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8888.939092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8888.939092][ T10] netlink_rcv_skb+0x130/0x360 [ 8888.939092][ T10] netlink_unicast+0x449/0x710 [ 8888.939092][ T10] netlink_sendmsg+0x723/0xbe0 [ 8888.939092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8888.939092][ T10] ___sys_sendmsg+0xee/0x170 [ 8888.939092][ T10] __sys_sendmsg+0xcd/0x170 [ 8888.939092][ T10] do_syscall_64+0xc6/0x1e0 [ 8888.939092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8888.939092][ T10] [ 8888.940635][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8888.940635][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8888.940635][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8888.940635][ T10] ipv6_find_idev+0x102/0x170 [ 8888.940635][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8888.940635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8888.940635][ T10] netlink_rcv_skb+0x130/0x360 [ 8888.940635][ T10] netlink_unicast+0x449/0x710 [ 8888.940635][ T10] netlink_sendmsg+0x723/0xbe0 [ 8888.940635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8888.940635][ T10] ___sys_sendmsg+0xee/0x170 [ 8888.940635][ T10] __sys_sendmsg+0xcd/0x170 [ 8888.940635][ T10] do_syscall_64+0xc6/0x1e0 [ 8888.940635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8888.940635][ T10] [ 8898.654824][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8898.655315][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8898.655315][T12167] netdev_get_by_index+0x5e/0x80 [ 8898.655315][T12167] fib6_nh_init+0x3d8/0x1580 [ 8898.655315][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8898.655315][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8898.655315][T12167] ipv6_add_addr+0x411/0x2000 [ 8898.655315][T12167] inet6_addr_add+0x30e/0xa40 [ 8898.655315][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8898.655315][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8898.655315][T12167] netlink_rcv_skb+0x130/0x360 [ 8898.655315][T12167] netlink_unicast+0x449/0x710 [ 8898.655315][T12167] netlink_sendmsg+0x723/0xbe0 [ 8898.655315][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8898.655315][T12167] ___sys_sendmsg+0xee/0x170 [ 8898.655315][T12167] __sys_sendmsg+0xcd/0x170 [ 8898.655315][T12167] do_syscall_64+0xc6/0x1e0 [ 8898.655315][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8898.655315][T12167] [ 8898.657594][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8898.657594][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8898.657594][T12167] ipv6_find_idev+0x102/0x170 [ 8898.657594][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8898.657594][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8898.657594][T12167] netlink_rcv_skb+0x130/0x360 [ 8898.657594][T12167] netlink_unicast+0x449/0x710 [ 8898.657594][T12167] netlink_sendmsg+0x723/0xbe0 [ 8898.657594][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8898.657594][T12167] ___sys_sendmsg+0xee/0x170 [ 8898.657594][T12167] __sys_sendmsg+0xcd/0x170 [ 8898.657594][T12167] do_syscall_64+0xc6/0x1e0 [ 8898.657594][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8898.657594][T12167] [ 8898.659328][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8898.659328][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8898.659328][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8898.659328][T12167] ipv6_find_idev+0x102/0x170 [ 8898.659328][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8898.659328][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8898.659328][T12167] netlink_rcv_skb+0x130/0x360 [ 8898.659328][T12167] netlink_unicast+0x449/0x710 [ 8898.659328][T12167] netlink_sendmsg+0x723/0xbe0 [ 8898.659328][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8898.659328][T12167] ___sys_sendmsg+0xee/0x170 [ 8898.659328][T12167] __sys_sendmsg+0xcd/0x170 [ 8898.659328][T12167] do_syscall_64+0xc6/0x1e0 [ 8898.659328][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8898.659328][T12167] [ 8899.094873][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 8899.095270][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 8899.095270][ T10] dst_init+0x84/0x4a0 [ 8899.095270][ T10] dst_alloc+0x97/0x150 [ 8899.095270][ T10] ip6_dst_alloc+0x23/0x90 [ 8899.095270][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8899.095270][ T10] ip6_pol_route+0x56f/0x840 [ 8899.095270][ T10] fib6_rule_lookup+0x334/0x630 [ 8899.095270][ T10] ip6_route_output_flags+0x259/0x480 [ 8899.095270][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8899.095270][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8899.095270][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 8899.095270][ T10] ____sys_sendmsg+0x772/0xa10 [ 8899.095270][ T10] ___sys_sendmsg+0xee/0x170 [ 8899.095270][ T10] __sys_sendmsg+0xcd/0x170 [ 8899.095270][ T10] do_syscall_64+0xc6/0x1e0 [ 8899.095270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8899.095270][ T10] [ 8899.097188][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8899.097188][ T10] dst_init+0x84/0x4a0 [ 8899.097188][ T10] dst_alloc+0x97/0x150 [ 8899.097188][ T10] ip6_dst_alloc+0x23/0x90 [ 8899.097188][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8899.097188][ T10] ip6_pol_route+0x56f/0x840 [ 8899.097188][ T10] fib6_rule_lookup+0x334/0x630 [ 8899.097188][ T10] ip6_route_output_flags+0x259/0x480 [ 8899.097188][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8899.097188][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8899.097188][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8899.097188][ T10] ping_v6_sendmsg+0x763/0x1150 [ 8899.097188][ T10] ____sys_sendmsg+0x772/0xa10 [ 8899.097188][ T10] ___sys_sendmsg+0xee/0x170 [ 8899.097188][ T10] __sys_sendmsg+0xcd/0x170 [ 8899.097188][ T10] do_syscall_64+0xc6/0x1e0 [ 8899.097188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8899.097188][ T10] [ 8899.099192][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8899.099192][ T10] dst_init+0x84/0x4a0 [ 8899.099192][ T10] dst_alloc+0x97/0x150 [ 8899.099192][ T10] ip6_dst_alloc+0x23/0x90 [ 8899.099192][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8899.099192][ T10] ip6_pol_route+0x56f/0x840 [ 8899.099192][ T10] fib6_rule_lookup+0x334/0x630 [ 8899.099192][ T10] ip6_route_output_flags+0x259/0x480 [ 8899.099192][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8899.099192][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8899.099192][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8899.099192][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 8899.099192][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 8899.099192][ T10] ___sys_sendmsg+0xee/0x170 [ 8899.099192][ T10] __sys_sendmsg+0xcd/0x170 [ 8899.099192][ T10] do_syscall_64+0xc6/0x1e0 [ 8899.099192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8899.099192][ T10] [ 8899.101195][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8899.101195][ T10] netdev_get_by_index+0x5e/0x80 [ 8899.101195][ T10] fib6_nh_init+0x3d8/0x1580 [ 8899.101195][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8899.101195][ T10] ip6_route_add+0x1c/0x140 [ 8899.101195][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8899.101195][ T10] inet6_addr_add+0x4f8/0xa40 [ 8899.101195][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8899.101195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8899.101195][ T10] netlink_rcv_skb+0x130/0x360 [ 8899.101195][ T10] netlink_unicast+0x449/0x710 [ 8899.101195][ T10] netlink_sendmsg+0x723/0xbe0 [ 8899.101195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8899.101195][ T10] ___sys_sendmsg+0xee/0x170 [ 8899.101195][ T10] __sys_sendmsg+0xcd/0x170 [ 8899.101195][ T10] do_syscall_64+0xc6/0x1e0 [ 8899.101195][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8899.101195][ T10] [ 8899.103215][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8899.103215][ T10] netdev_get_by_index+0x5e/0x80 [ 8899.103215][ T10] fib6_nh_init+0x3d8/0x1580 [ 8899.103215][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8899.103215][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8899.103215][ T10] ipv6_add_addr+0x411/0x2000 [ 8899.103215][ T10] inet6_addr_add+0x30e/0xa40 [ 8899.103215][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8899.103215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8899.103215][ T10] netlink_rcv_skb+0x130/0x360 [ 8899.103215][ T10] netlink_unicast+0x449/0x710 [ 8899.103215][ T10] netlink_sendmsg+0x723/0xbe0 [ 8899.103215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8899.103215][ T10] ___sys_sendmsg+0xee/0x170 [ 8899.103215][ T10] __sys_sendmsg+0xcd/0x170 [ 8899.103215][ T10] do_syscall_64+0xc6/0x1e0 [ 8899.103215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8899.103215][ T10] [ 8899.105226][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8899.105226][ T10] netdev_get_by_index+0x5e/0x80 [ 8899.105226][ T10] fib6_nh_init+0x3d8/0x1580 [ 8899.105226][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8899.105226][ T10] ip6_route_add+0x1c/0x140 [ 8899.105226][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8899.105226][ T10] addrconf_add_dev+0xe2/0x170 [ 8899.105226][ T10] inet6_addr_add+0x12f/0xa40 [ 8899.105226][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8899.105226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8899.105226][ T10] netlink_rcv_skb+0x130/0x360 [ 8899.105226][ T10] netlink_unicast+0x449/0x710 [ 8899.105226][ T10] netlink_sendmsg+0x723/0xbe0 [ 8899.105226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8899.105226][ T10] ___sys_sendmsg+0xee/0x170 [ 8899.105226][ T10] __sys_sendmsg+0xcd/0x170 [ 8899.105226][ T10] do_syscall_64+0xc6/0x1e0 [ 8899.105226][ T10] [ 8899.107191][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8899.107191][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8899.107191][ T10] ipv6_find_idev+0x102/0x170 [ 8899.107191][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8899.107191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8899.107191][ T10] netlink_rcv_skb+0x130/0x360 [ 8899.107191][ T10] netlink_unicast+0x449/0x710 [ 8899.107191][ T10] netlink_sendmsg+0x723/0xbe0 [ 8899.107191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8899.107191][ T10] ___sys_sendmsg+0xee/0x170 [ 8899.107191][ T10] __sys_sendmsg+0xcd/0x170 [ 8899.107191][ T10] do_syscall_64+0xc6/0x1e0 [ 8899.107191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8899.107191][ T10] [ 8899.108733][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8899.108733][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8899.108733][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8899.108733][ T10] ipv6_find_idev+0x102/0x170 [ 8899.108733][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8899.108733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8899.108733][ T10] netlink_rcv_skb+0x130/0x360 [ 8899.108733][ T10] netlink_unicast+0x449/0x710 [ 8899.108733][ T10] netlink_sendmsg+0x723/0xbe0 [ 8899.108733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8899.108733][ T10] ___sys_sendmsg+0xee/0x170 [ 8899.108733][ T10] __sys_sendmsg+0xcd/0x170 [ 8899.108733][ T10] do_syscall_64+0xc6/0x1e0 [ 8899.108733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8899.108733][ T10] [ 8908.902826][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8908.903259][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8908.903259][T12167] netdev_get_by_index+0x5e/0x80 [ 8908.903259][T12167] fib6_nh_init+0x3d8/0x1580 [ 8908.903259][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8908.903259][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8908.903259][T12167] ipv6_add_addr+0x411/0x2000 [ 8908.903259][T12167] inet6_addr_add+0x30e/0xa40 [ 8908.903259][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8908.903259][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8908.903259][T12167] netlink_rcv_skb+0x130/0x360 [ 8908.903259][T12167] netlink_unicast+0x449/0x710 [ 8908.903259][T12167] netlink_sendmsg+0x723/0xbe0 [ 8908.903259][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8908.903259][T12167] ___sys_sendmsg+0xee/0x170 [ 8908.903259][T12167] __sys_sendmsg+0xcd/0x170 [ 8908.903259][T12167] do_syscall_64+0xc6/0x1e0 [ 8908.903259][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8908.903259][T12167] [ 8908.905536][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8908.905536][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8908.905536][T12167] ipv6_find_idev+0x102/0x170 [ 8908.905536][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8908.905536][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8908.905536][T12167] netlink_rcv_skb+0x130/0x360 [ 8908.905536][T12167] netlink_unicast+0x449/0x710 [ 8908.905536][T12167] netlink_sendmsg+0x723/0xbe0 [ 8908.905536][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8908.905536][T12167] ___sys_sendmsg+0xee/0x170 [ 8908.905536][T12167] __sys_sendmsg+0xcd/0x170 [ 8908.905536][T12167] do_syscall_64+0xc6/0x1e0 [ 8908.905536][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8908.905536][T12167] [ 8908.907269][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8908.907269][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8908.907269][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8908.907269][T12167] ipv6_find_idev+0x102/0x170 [ 8908.907269][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8908.907269][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8908.907269][T12167] netlink_rcv_skb+0x130/0x360 [ 8908.907269][T12167] netlink_unicast+0x449/0x710 [ 8908.907269][T12167] netlink_sendmsg+0x723/0xbe0 [ 8908.907269][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8908.907269][T12167] ___sys_sendmsg+0xee/0x170 [ 8908.907269][T12167] __sys_sendmsg+0xcd/0x170 [ 8908.907269][T12167] do_syscall_64+0xc6/0x1e0 [ 8908.907269][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8908.907269][T12167] [ 8909.110872][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 8909.111267][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 8909.111267][ T10] dst_init+0x84/0x4a0 [ 8909.111267][ T10] dst_alloc+0x97/0x150 [ 8909.111267][ T10] ip6_dst_alloc+0x23/0x90 [ 8909.111267][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8909.111267][ T10] ip6_pol_route+0x56f/0x840 [ 8909.111267][ T10] fib6_rule_lookup+0x334/0x630 [ 8909.111267][ T10] ip6_route_output_flags+0x259/0x480 [ 8909.111267][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8909.111267][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8909.111267][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 8909.111267][ T10] ____sys_sendmsg+0x772/0xa10 [ 8909.111267][ T10] ___sys_sendmsg+0xee/0x170 [ 8909.111267][ T10] __sys_sendmsg+0xcd/0x170 [ 8909.111267][ T10] do_syscall_64+0xc6/0x1e0 [ 8909.111267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8909.111267][ T10] [ 8909.113166][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8909.113166][ T10] dst_init+0x84/0x4a0 [ 8909.113166][ T10] dst_alloc+0x97/0x150 [ 8909.113166][ T10] ip6_dst_alloc+0x23/0x90 [ 8909.113166][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8909.113166][ T10] ip6_pol_route+0x56f/0x840 [ 8909.113166][ T10] fib6_rule_lookup+0x334/0x630 [ 8909.113166][ T10] ip6_route_output_flags+0x259/0x480 [ 8909.113166][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8909.113166][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8909.113166][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8909.113166][ T10] ping_v6_sendmsg+0x763/0x1150 [ 8909.113166][ T10] ____sys_sendmsg+0x772/0xa10 [ 8909.113166][ T10] ___sys_sendmsg+0xee/0x170 [ 8909.113166][ T10] __sys_sendmsg+0xcd/0x170 [ 8909.113166][ T10] do_syscall_64+0xc6/0x1e0 [ 8909.113166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8909.113166][ T10] [ 8909.115177][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8909.115177][ T10] dst_init+0x84/0x4a0 [ 8909.115177][ T10] dst_alloc+0x97/0x150 [ 8909.115177][ T10] ip6_dst_alloc+0x23/0x90 [ 8909.115177][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8909.115177][ T10] ip6_pol_route+0x56f/0x840 [ 8909.115177][ T10] fib6_rule_lookup+0x334/0x630 [ 8909.115177][ T10] ip6_route_output_flags+0x259/0x480 [ 8909.115177][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8909.115177][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8909.115177][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8909.115177][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 8909.115177][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 8909.115177][ T10] ___sys_sendmsg+0xee/0x170 [ 8909.115177][ T10] __sys_sendmsg+0xcd/0x170 [ 8909.115177][ T10] do_syscall_64+0xc6/0x1e0 [ 8909.115177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8909.115177][ T10] [ 8909.117177][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8909.117177][ T10] netdev_get_by_index+0x5e/0x80 [ 8909.117177][ T10] fib6_nh_init+0x3d8/0x1580 [ 8909.117177][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8909.117177][ T10] ip6_route_add+0x1c/0x140 [ 8909.117177][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8909.117177][ T10] inet6_addr_add+0x4f8/0xa40 [ 8909.117177][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8909.117177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8909.117177][ T10] netlink_rcv_skb+0x130/0x360 [ 8909.117177][ T10] netlink_unicast+0x449/0x710 [ 8909.117177][ T10] netlink_sendmsg+0x723/0xbe0 [ 8909.117177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8909.117177][ T10] ___sys_sendmsg+0xee/0x170 [ 8909.117177][ T10] __sys_sendmsg+0xcd/0x170 [ 8909.117177][ T10] do_syscall_64+0xc6/0x1e0 [ 8909.117177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8909.117177][ T10] [ 8909.119180][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8909.119180][ T10] netdev_get_by_index+0x5e/0x80 [ 8909.119180][ T10] fib6_nh_init+0x3d8/0x1580 [ 8909.119180][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8909.119180][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8909.119180][ T10] ipv6_add_addr+0x411/0x2000 [ 8909.119180][ T10] inet6_addr_add+0x30e/0xa40 [ 8909.119180][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8909.119180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8909.119180][ T10] netlink_rcv_skb+0x130/0x360 [ 8909.119180][ T10] netlink_unicast+0x449/0x710 [ 8909.119180][ T10] netlink_sendmsg+0x723/0xbe0 [ 8909.119180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8909.119180][ T10] ___sys_sendmsg+0xee/0x170 [ 8909.119180][ T10] __sys_sendmsg+0xcd/0x170 [ 8909.119180][ T10] do_syscall_64+0xc6/0x1e0 [ 8909.119180][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8909.119180][ T10] [ 8909.121181][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8909.121181][ T10] netdev_get_by_index+0x5e/0x80 [ 8909.121181][ T10] fib6_nh_init+0x3d8/0x1580 [ 8909.121181][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8909.121181][ T10] ip6_route_add+0x1c/0x140 [ 8909.121181][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8909.121181][ T10] addrconf_add_dev+0xe2/0x170 [ 8909.121181][ T10] inet6_addr_add+0x12f/0xa40 [ 8909.121181][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8909.121181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8909.121181][ T10] netlink_rcv_skb+0x130/0x360 [ 8909.121181][ T10] netlink_unicast+0x449/0x710 [ 8909.121181][ T10] netlink_sendmsg+0x723/0xbe0 [ 8909.121181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8909.121181][ T10] ___sys_sendmsg+0xee/0x170 [ 8909.121181][ T10] __sys_sendmsg+0xcd/0x170 [ 8909.121181][ T10] do_syscall_64+0xc6/0x1e0 [ 8909.121181][ T10] [ 8909.123146][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8909.123146][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8909.123146][ T10] ipv6_find_idev+0x102/0x170 [ 8909.123146][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8909.123146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8909.123146][ T10] netlink_rcv_skb+0x130/0x360 [ 8909.123146][ T10] netlink_unicast+0x449/0x710 [ 8909.123146][ T10] netlink_sendmsg+0x723/0xbe0 [ 8909.123146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8909.123146][ T10] ___sys_sendmsg+0xee/0x170 [ 8909.123146][ T10] __sys_sendmsg+0xcd/0x170 [ 8909.123146][ T10] do_syscall_64+0xc6/0x1e0 [ 8909.123146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8909.123146][ T10] [ 8909.124696][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8909.124696][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8909.124696][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8909.124696][ T10] ipv6_find_idev+0x102/0x170 [ 8909.124696][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8909.124696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8909.124696][ T10] netlink_rcv_skb+0x130/0x360 [ 8909.124696][ T10] netlink_unicast+0x449/0x710 [ 8909.124696][ T10] netlink_sendmsg+0x723/0xbe0 [ 8909.124696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8909.124696][ T10] ___sys_sendmsg+0xee/0x170 [ 8909.124696][ T10] __sys_sendmsg+0xcd/0x170 [ 8909.124696][ T10] do_syscall_64+0xc6/0x1e0 [ 8909.124696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8909.124696][ T10] [ 8919.150812][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8919.151304][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8919.151304][T12167] netdev_get_by_index+0x5e/0x80 [ 8919.151304][T12167] fib6_nh_init+0x3d8/0x1580 [ 8919.151304][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8919.151304][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8919.151304][T12167] ipv6_add_addr+0x411/0x2000 [ 8919.151304][T12167] inet6_addr_add+0x30e/0xa40 [ 8919.151304][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8919.151304][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8919.151304][T12167] netlink_rcv_skb+0x130/0x360 [ 8919.151304][T12167] netlink_unicast+0x449/0x710 [ 8919.151304][T12167] netlink_sendmsg+0x723/0xbe0 [ 8919.151304][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8919.151304][T12167] ___sys_sendmsg+0xee/0x170 [ 8919.151304][T12167] __sys_sendmsg+0xcd/0x170 [ 8919.151304][T12167] do_syscall_64+0xc6/0x1e0 [ 8919.151304][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8919.151304][T12167] [ 8919.153574][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8919.153574][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8919.153574][T12167] ipv6_find_idev+0x102/0x170 [ 8919.153574][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8919.153574][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8919.153574][T12167] netlink_rcv_skb+0x130/0x360 [ 8919.153574][T12167] netlink_unicast+0x449/0x710 [ 8919.153574][T12167] netlink_sendmsg+0x723/0xbe0 [ 8919.153574][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8919.153574][T12167] ___sys_sendmsg+0xee/0x170 [ 8919.153574][T12167] __sys_sendmsg+0xcd/0x170 [ 8919.153574][T12167] do_syscall_64+0xc6/0x1e0 [ 8919.153574][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8919.153574][T12167] [ 8919.155326][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8919.155326][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8919.155326][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8919.155326][T12167] ipv6_find_idev+0x102/0x170 [ 8919.155326][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8919.155326][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8919.155326][T12167] netlink_rcv_skb+0x130/0x360 [ 8919.155326][T12167] netlink_unicast+0x449/0x710 [ 8919.155326][T12167] netlink_sendmsg+0x723/0xbe0 [ 8919.155326][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8919.155326][T12167] ___sys_sendmsg+0xee/0x170 [ 8919.155326][T12167] __sys_sendmsg+0xcd/0x170 [ 8919.155326][T12167] do_syscall_64+0xc6/0x1e0 [ 8919.155326][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8919.155326][T12167] [ 8919.374789][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 8919.375328][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 8919.375328][ T10] dst_init+0x84/0x4a0 [ 8919.375328][ T10] dst_alloc+0x97/0x150 [ 8919.375328][ T10] ip6_dst_alloc+0x23/0x90 [ 8919.375328][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8919.375328][ T10] ip6_pol_route+0x56f/0x840 [ 8919.375328][ T10] fib6_rule_lookup+0x334/0x630 [ 8919.375328][ T10] ip6_route_output_flags+0x259/0x480 [ 8919.375328][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8919.375328][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8919.375328][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 8919.375328][ T10] ____sys_sendmsg+0x772/0xa10 [ 8919.375328][ T10] ___sys_sendmsg+0xee/0x170 [ 8919.375328][ T10] __sys_sendmsg+0xcd/0x170 [ 8919.375328][ T10] do_syscall_64+0xc6/0x1e0 [ 8919.375328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8919.375328][ T10] [ 8919.378301][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8919.378301][ T10] dst_init+0x84/0x4a0 [ 8919.378301][ T10] dst_alloc+0x97/0x150 [ 8919.378301][ T10] ip6_dst_alloc+0x23/0x90 [ 8919.378301][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8919.378301][ T10] ip6_pol_route+0x56f/0x840 [ 8919.378301][ T10] fib6_rule_lookup+0x334/0x630 [ 8919.378301][ T10] ip6_route_output_flags+0x259/0x480 [ 8919.378301][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8919.378301][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8919.378301][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8919.378301][ T10] ping_v6_sendmsg+0x763/0x1150 [ 8919.378301][ T10] ____sys_sendmsg+0x772/0xa10 [ 8919.378301][ T10] ___sys_sendmsg+0xee/0x170 [ 8919.378301][ T10] __sys_sendmsg+0xcd/0x170 [ 8919.378301][ T10] do_syscall_64+0xc6/0x1e0 [ 8919.378301][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8919.378301][ T10] [ 8919.381448][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8919.381448][ T10] dst_init+0x84/0x4a0 [ 8919.381448][ T10] dst_alloc+0x97/0x150 [ 8919.381448][ T10] ip6_dst_alloc+0x23/0x90 [ 8919.381448][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8919.381448][ T10] ip6_pol_route+0x56f/0x840 [ 8919.381448][ T10] fib6_rule_lookup+0x334/0x630 [ 8919.381448][ T10] ip6_route_output_flags+0x259/0x480 [ 8919.381448][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8919.381448][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8919.381448][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8919.381448][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 8919.381448][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 8919.381448][ T10] ___sys_sendmsg+0xee/0x170 [ 8919.381448][ T10] __sys_sendmsg+0xcd/0x170 [ 8919.381448][ T10] do_syscall_64+0xc6/0x1e0 [ 8919.381448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8919.381448][ T10] [ 8919.384605][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8919.384605][ T10] netdev_get_by_index+0x5e/0x80 [ 8919.384605][ T10] fib6_nh_init+0x3d8/0x1580 [ 8919.384605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8919.384605][ T10] ip6_route_add+0x1c/0x140 [ 8919.384605][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8919.384605][ T10] inet6_addr_add+0x4f8/0xa40 [ 8919.384605][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8919.384605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8919.384605][ T10] netlink_rcv_skb+0x130/0x360 [ 8919.384605][ T10] netlink_unicast+0x449/0x710 [ 8919.384605][ T10] netlink_sendmsg+0x723/0xbe0 [ 8919.384605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8919.384605][ T10] ___sys_sendmsg+0xee/0x170 [ 8919.384605][ T10] __sys_sendmsg+0xcd/0x170 [ 8919.384605][ T10] do_syscall_64+0xc6/0x1e0 [ 8919.384605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8919.384605][ T10] [ 8919.387752][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8919.387752][ T10] netdev_get_by_index+0x5e/0x80 [ 8919.387752][ T10] fib6_nh_init+0x3d8/0x1580 [ 8919.387752][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8919.387752][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8919.387752][ T10] ipv6_add_addr+0x411/0x2000 [ 8919.387752][ T10] inet6_addr_add+0x30e/0xa40 [ 8919.387752][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8919.387752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8919.387752][ T10] netlink_rcv_skb+0x130/0x360 [ 8919.387752][ T10] netlink_unicast+0x449/0x710 [ 8919.387752][ T10] netlink_sendmsg+0x723/0xbe0 [ 8919.387752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8919.387752][ T10] ___sys_sendmsg+0xee/0x170 [ 8919.387752][ T10] __sys_sendmsg+0xcd/0x170 [ 8919.387752][ T10] do_syscall_64+0xc6/0x1e0 [ 8919.387752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8919.387752][ T10] [ 8919.390900][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8919.390900][ T10] netdev_get_by_index+0x5e/0x80 [ 8919.390900][ T10] fib6_nh_init+0x3d8/0x1580 [ 8919.390900][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8919.390900][ T10] ip6_route_add+0x1c/0x140 [ 8919.390900][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8919.390900][ T10] addrconf_add_dev+0xe2/0x170 [ 8919.390900][ T10] inet6_addr_add+0x12f/0xa40 [ 8919.390900][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8919.390900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8919.390900][ T10] netlink_rcv_skb+0x130/0x360 [ 8919.390900][ T10] netlink_unicast+0x449/0x710 [ 8919.390900][ T10] netlink_sendmsg+0x723/0xbe0 [ 8919.390900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8919.390900][ T10] ___sys_sendmsg+0xee/0x170 [ 8919.390900][ T10] __sys_sendmsg+0xcd/0x170 [ 8919.390900][ T10] do_syscall_64+0xc6/0x1e0 [ 8919.390900][ T10] [ 8919.394003][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8919.394003][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8919.394003][ T10] ipv6_find_idev+0x102/0x170 [ 8919.394003][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8919.394003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8919.394003][ T10] netlink_rcv_skb+0x130/0x360 [ 8919.394003][ T10] netlink_unicast+0x449/0x710 [ 8919.394003][ T10] netlink_sendmsg+0x723/0xbe0 [ 8919.394003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8919.394003][ T10] ___sys_sendmsg+0xee/0x170 [ 8919.394003][ T10] __sys_sendmsg+0xcd/0x170 [ 8919.394003][ T10] do_syscall_64+0xc6/0x1e0 [ 8919.394003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8919.394003][ T10] [ 8919.396438][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8919.396438][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8919.396438][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8919.396438][ T10] ipv6_find_idev+0x102/0x170 [ 8919.396438][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8919.396438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8919.396438][ T10] netlink_rcv_skb+0x130/0x360 [ 8919.396438][ T10] netlink_unicast+0x449/0x710 [ 8919.396438][ T10] netlink_sendmsg+0x723/0xbe0 [ 8919.396438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8919.396438][ T10] ___sys_sendmsg+0xee/0x170 [ 8919.396438][ T10] __sys_sendmsg+0xcd/0x170 [ 8919.396438][ T10] do_syscall_64+0xc6/0x1e0 [ 8919.396438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8919.396438][ T10] [ 8929.174888][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8929.175369][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8929.175369][T12167] netdev_get_by_index+0x5e/0x80 [ 8929.175369][T12167] fib6_nh_init+0x3d8/0x1580 [ 8929.175369][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8929.175369][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8929.175369][T12167] ipv6_add_addr+0x411/0x2000 [ 8929.175369][T12167] inet6_addr_add+0x30e/0xa40 [ 8929.175369][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8929.175369][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8929.175369][T12167] netlink_rcv_skb+0x130/0x360 [ 8929.175369][T12167] netlink_unicast+0x449/0x710 [ 8929.175369][T12167] netlink_sendmsg+0x723/0xbe0 [ 8929.175369][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8929.175369][T12167] ___sys_sendmsg+0xee/0x170 [ 8929.175369][T12167] __sys_sendmsg+0xcd/0x170 [ 8929.175369][T12167] do_syscall_64+0xc6/0x1e0 [ 8929.175369][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8929.175369][T12167] [ 8929.177643][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8929.177643][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8929.177643][T12167] ipv6_find_idev+0x102/0x170 [ 8929.177643][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8929.177643][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8929.177643][T12167] netlink_rcv_skb+0x130/0x360 [ 8929.177643][T12167] netlink_unicast+0x449/0x710 [ 8929.177643][T12167] netlink_sendmsg+0x723/0xbe0 [ 8929.177643][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8929.177643][T12167] ___sys_sendmsg+0xee/0x170 [ 8929.177643][T12167] __sys_sendmsg+0xcd/0x170 [ 8929.177643][T12167] do_syscall_64+0xc6/0x1e0 [ 8929.177643][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8929.177643][T12167] [ 8929.179380][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8929.179380][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8929.179380][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8929.179380][T12167] ipv6_find_idev+0x102/0x170 [ 8929.179380][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8929.179380][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8929.179380][T12167] netlink_rcv_skb+0x130/0x360 [ 8929.179380][T12167] netlink_unicast+0x449/0x710 [ 8929.179380][T12167] netlink_sendmsg+0x723/0xbe0 [ 8929.179380][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8929.179380][T12167] ___sys_sendmsg+0xee/0x170 [ 8929.179380][T12167] __sys_sendmsg+0xcd/0x170 [ 8929.179380][T12167] do_syscall_64+0xc6/0x1e0 [ 8929.179380][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8929.179380][T12167] [ 8929.430797][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 8929.431204][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 8929.431204][ T10] dst_init+0x84/0x4a0 [ 8929.431204][ T10] dst_alloc+0x97/0x150 [ 8929.431204][ T10] ip6_dst_alloc+0x23/0x90 [ 8929.431204][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8929.431204][ T10] ip6_pol_route+0x56f/0x840 [ 8929.431204][ T10] fib6_rule_lookup+0x334/0x630 [ 8929.431204][ T10] ip6_route_output_flags+0x259/0x480 [ 8929.431204][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8929.431204][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8929.431204][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 8929.431204][ T10] ____sys_sendmsg+0x772/0xa10 [ 8929.431204][ T10] ___sys_sendmsg+0xee/0x170 [ 8929.431204][ T10] __sys_sendmsg+0xcd/0x170 [ 8929.431204][ T10] do_syscall_64+0xc6/0x1e0 [ 8929.431204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8929.431204][ T10] [ 8929.433100][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8929.433100][ T10] dst_init+0x84/0x4a0 [ 8929.433100][ T10] dst_alloc+0x97/0x150 [ 8929.433100][ T10] ip6_dst_alloc+0x23/0x90 [ 8929.433100][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8929.433100][ T10] ip6_pol_route+0x56f/0x840 [ 8929.433100][ T10] fib6_rule_lookup+0x334/0x630 [ 8929.433100][ T10] ip6_route_output_flags+0x259/0x480 [ 8929.433100][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8929.433100][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8929.433100][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8929.433100][ T10] ping_v6_sendmsg+0x763/0x1150 [ 8929.433100][ T10] ____sys_sendmsg+0x772/0xa10 [ 8929.433100][ T10] ___sys_sendmsg+0xee/0x170 [ 8929.433100][ T10] __sys_sendmsg+0xcd/0x170 [ 8929.433100][ T10] do_syscall_64+0xc6/0x1e0 [ 8929.433100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8929.433100][ T10] [ 8929.435105][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8929.435105][ T10] dst_init+0x84/0x4a0 [ 8929.435105][ T10] dst_alloc+0x97/0x150 [ 8929.435105][ T10] ip6_dst_alloc+0x23/0x90 [ 8929.435105][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8929.435105][ T10] ip6_pol_route+0x56f/0x840 [ 8929.435105][ T10] fib6_rule_lookup+0x334/0x630 [ 8929.435105][ T10] ip6_route_output_flags+0x259/0x480 [ 8929.435105][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8929.435105][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8929.435105][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8929.435105][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 8929.435105][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 8929.435105][ T10] ___sys_sendmsg+0xee/0x170 [ 8929.435105][ T10] __sys_sendmsg+0xcd/0x170 [ 8929.435105][ T10] do_syscall_64+0xc6/0x1e0 [ 8929.435105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8929.435105][ T10] [ 8929.437111][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8929.437111][ T10] netdev_get_by_index+0x5e/0x80 [ 8929.437111][ T10] fib6_nh_init+0x3d8/0x1580 [ 8929.437111][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8929.437111][ T10] ip6_route_add+0x1c/0x140 [ 8929.437111][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8929.437111][ T10] inet6_addr_add+0x4f8/0xa40 [ 8929.437111][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8929.437111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8929.437111][ T10] netlink_rcv_skb+0x130/0x360 [ 8929.437111][ T10] netlink_unicast+0x449/0x710 [ 8929.437111][ T10] netlink_sendmsg+0x723/0xbe0 [ 8929.437111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8929.437111][ T10] ___sys_sendmsg+0xee/0x170 [ 8929.437111][ T10] __sys_sendmsg+0xcd/0x170 [ 8929.437111][ T10] do_syscall_64+0xc6/0x1e0 [ 8929.437111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8929.437111][ T10] [ 8929.439108][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8929.439108][ T10] netdev_get_by_index+0x5e/0x80 [ 8929.439108][ T10] fib6_nh_init+0x3d8/0x1580 [ 8929.439108][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8929.439108][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8929.439108][ T10] ipv6_add_addr+0x411/0x2000 [ 8929.439108][ T10] inet6_addr_add+0x30e/0xa40 [ 8929.439108][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8929.439108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8929.439108][ T10] netlink_rcv_skb+0x130/0x360 [ 8929.439108][ T10] netlink_unicast+0x449/0x710 [ 8929.439108][ T10] netlink_sendmsg+0x723/0xbe0 [ 8929.439108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8929.439108][ T10] ___sys_sendmsg+0xee/0x170 [ 8929.439108][ T10] __sys_sendmsg+0xcd/0x170 [ 8929.439108][ T10] do_syscall_64+0xc6/0x1e0 [ 8929.439108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8929.439108][ T10] [ 8929.441142][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8929.441142][ T10] netdev_get_by_index+0x5e/0x80 [ 8929.441142][ T10] fib6_nh_init+0x3d8/0x1580 [ 8929.441142][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8929.441142][ T10] ip6_route_add+0x1c/0x140 [ 8929.441142][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8929.441142][ T10] addrconf_add_dev+0xe2/0x170 [ 8929.441142][ T10] inet6_addr_add+0x12f/0xa40 [ 8929.441142][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8929.441142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8929.441142][ T10] netlink_rcv_skb+0x130/0x360 [ 8929.441142][ T10] netlink_unicast+0x449/0x710 [ 8929.441142][ T10] netlink_sendmsg+0x723/0xbe0 [ 8929.441142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8929.441142][ T10] ___sys_sendmsg+0xee/0x170 [ 8929.441142][ T10] __sys_sendmsg+0xcd/0x170 [ 8929.441142][ T10] do_syscall_64+0xc6/0x1e0 [ 8929.441142][ T10] [ 8929.443105][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8929.443105][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8929.443105][ T10] ipv6_find_idev+0x102/0x170 [ 8929.443105][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8929.443105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8929.443105][ T10] netlink_rcv_skb+0x130/0x360 [ 8929.443105][ T10] netlink_unicast+0x449/0x710 [ 8929.443105][ T10] netlink_sendmsg+0x723/0xbe0 [ 8929.443105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8929.443105][ T10] ___sys_sendmsg+0xee/0x170 [ 8929.443105][ T10] __sys_sendmsg+0xcd/0x170 [ 8929.443105][ T10] do_syscall_64+0xc6/0x1e0 [ 8929.443105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8929.443105][ T10] [ 8929.444654][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8929.444654][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8929.444654][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8929.444654][ T10] ipv6_find_idev+0x102/0x170 [ 8929.444654][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8929.444654][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8929.444654][ T10] netlink_rcv_skb+0x130/0x360 [ 8929.444654][ T10] netlink_unicast+0x449/0x710 [ 8929.444654][ T10] netlink_sendmsg+0x723/0xbe0 [ 8929.444654][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8929.444654][ T10] ___sys_sendmsg+0xee/0x170 [ 8929.444654][ T10] __sys_sendmsg+0xcd/0x170 [ 8929.444654][ T10] do_syscall_64+0xc6/0x1e0 [ 8929.444654][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8929.444654][ T10] [ 8939.430798][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8939.431227][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8939.431227][T12167] netdev_get_by_index+0x5e/0x80 [ 8939.431227][T12167] fib6_nh_init+0x3d8/0x1580 [ 8939.431227][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8939.431227][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8939.431227][T12167] ipv6_add_addr+0x411/0x2000 [ 8939.431227][T12167] inet6_addr_add+0x30e/0xa40 [ 8939.431227][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8939.431227][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8939.431227][T12167] netlink_rcv_skb+0x130/0x360 [ 8939.431227][T12167] netlink_unicast+0x449/0x710 [ 8939.431227][T12167] netlink_sendmsg+0x723/0xbe0 [ 8939.431227][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8939.431227][T12167] ___sys_sendmsg+0xee/0x170 [ 8939.431227][T12167] __sys_sendmsg+0xcd/0x170 [ 8939.431227][T12167] do_syscall_64+0xc6/0x1e0 [ 8939.431227][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8939.431227][T12167] [ 8939.433632][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8939.433632][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8939.433632][T12167] ipv6_find_idev+0x102/0x170 [ 8939.433632][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8939.433632][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8939.433632][T12167] netlink_rcv_skb+0x130/0x360 [ 8939.433632][T12167] netlink_unicast+0x449/0x710 [ 8939.433632][T12167] netlink_sendmsg+0x723/0xbe0 [ 8939.433632][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8939.433632][T12167] ___sys_sendmsg+0xee/0x170 [ 8939.433632][T12167] __sys_sendmsg+0xcd/0x170 [ 8939.433632][T12167] do_syscall_64+0xc6/0x1e0 [ 8939.433632][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8939.433632][T12167] [ 8939.435374][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8939.435374][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8939.435374][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8939.435374][T12167] ipv6_find_idev+0x102/0x170 [ 8939.435374][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8939.435374][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8939.435374][T12167] netlink_rcv_skb+0x130/0x360 [ 8939.435374][T12167] netlink_unicast+0x449/0x710 [ 8939.435374][T12167] netlink_sendmsg+0x723/0xbe0 [ 8939.435374][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8939.435374][T12167] ___sys_sendmsg+0xee/0x170 [ 8939.435374][T12167] __sys_sendmsg+0xcd/0x170 [ 8939.435374][T12167] do_syscall_64+0xc6/0x1e0 [ 8939.435374][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8939.435374][T12167] [ 8939.694814][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 8939.695238][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 8939.695238][ T10] dst_init+0x84/0x4a0 [ 8939.695238][ T10] dst_alloc+0x97/0x150 [ 8939.695238][ T10] ip6_dst_alloc+0x23/0x90 [ 8939.695238][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8939.695238][ T10] ip6_pol_route+0x56f/0x840 [ 8939.695238][ T10] fib6_rule_lookup+0x334/0x630 [ 8939.695238][ T10] ip6_route_output_flags+0x259/0x480 [ 8939.695238][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8939.695238][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8939.695238][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 8939.695238][ T10] ____sys_sendmsg+0x772/0xa10 [ 8939.695238][ T10] ___sys_sendmsg+0xee/0x170 [ 8939.695238][ T10] __sys_sendmsg+0xcd/0x170 [ 8939.695238][ T10] do_syscall_64+0xc6/0x1e0 [ 8939.695238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8939.695238][ T10] [ 8939.697119][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8939.697119][ T10] dst_init+0x84/0x4a0 [ 8939.697119][ T10] dst_alloc+0x97/0x150 [ 8939.697119][ T10] ip6_dst_alloc+0x23/0x90 [ 8939.697119][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8939.697119][ T10] ip6_pol_route+0x56f/0x840 [ 8939.697119][ T10] fib6_rule_lookup+0x334/0x630 [ 8939.697119][ T10] ip6_route_output_flags+0x259/0x480 [ 8939.697119][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8939.697119][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8939.697119][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8939.697119][ T10] ping_v6_sendmsg+0x763/0x1150 [ 8939.697119][ T10] ____sys_sendmsg+0x772/0xa10 [ 8939.697119][ T10] ___sys_sendmsg+0xee/0x170 [ 8939.697119][ T10] __sys_sendmsg+0xcd/0x170 [ 8939.697119][ T10] do_syscall_64+0xc6/0x1e0 [ 8939.697119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8939.697119][ T10] [ 8939.699109][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8939.699109][ T10] dst_init+0x84/0x4a0 [ 8939.699109][ T10] dst_alloc+0x97/0x150 [ 8939.699109][ T10] ip6_dst_alloc+0x23/0x90 [ 8939.699109][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8939.699109][ T10] ip6_pol_route+0x56f/0x840 [ 8939.699109][ T10] fib6_rule_lookup+0x334/0x630 [ 8939.699109][ T10] ip6_route_output_flags+0x259/0x480 [ 8939.699109][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8939.699109][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8939.699109][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8939.699109][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 8939.699109][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 8939.699109][ T10] ___sys_sendmsg+0xee/0x170 [ 8939.699109][ T10] __sys_sendmsg+0xcd/0x170 [ 8939.699109][ T10] do_syscall_64+0xc6/0x1e0 [ 8939.699109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8939.699109][ T10] [ 8939.701096][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8939.701096][ T10] netdev_get_by_index+0x5e/0x80 [ 8939.701096][ T10] fib6_nh_init+0x3d8/0x1580 [ 8939.701096][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8939.701096][ T10] ip6_route_add+0x1c/0x140 [ 8939.701096][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8939.701096][ T10] inet6_addr_add+0x4f8/0xa40 [ 8939.701096][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8939.701096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8939.701096][ T10] netlink_rcv_skb+0x130/0x360 [ 8939.701096][ T10] netlink_unicast+0x449/0x710 [ 8939.701096][ T10] netlink_sendmsg+0x723/0xbe0 [ 8939.701096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8939.701096][ T10] ___sys_sendmsg+0xee/0x170 [ 8939.701096][ T10] __sys_sendmsg+0xcd/0x170 [ 8939.701096][ T10] do_syscall_64+0xc6/0x1e0 [ 8939.701096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8939.701096][ T10] [ 8939.703091][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8939.703091][ T10] netdev_get_by_index+0x5e/0x80 [ 8939.703091][ T10] fib6_nh_init+0x3d8/0x1580 [ 8939.703091][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8939.703091][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8939.703091][ T10] ipv6_add_addr+0x411/0x2000 [ 8939.703091][ T10] inet6_addr_add+0x30e/0xa40 [ 8939.703091][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8939.703091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8939.703091][ T10] netlink_rcv_skb+0x130/0x360 [ 8939.703091][ T10] netlink_unicast+0x449/0x710 [ 8939.703091][ T10] netlink_sendmsg+0x723/0xbe0 [ 8939.703091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8939.703091][ T10] ___sys_sendmsg+0xee/0x170 [ 8939.703091][ T10] __sys_sendmsg+0xcd/0x170 [ 8939.703091][ T10] do_syscall_64+0xc6/0x1e0 [ 8939.703091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8939.703091][ T10] [ 8939.705132][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8939.705132][ T10] netdev_get_by_index+0x5e/0x80 [ 8939.705132][ T10] fib6_nh_init+0x3d8/0x1580 [ 8939.705132][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8939.705132][ T10] ip6_route_add+0x1c/0x140 [ 8939.705132][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8939.705132][ T10] addrconf_add_dev+0xe2/0x170 [ 8939.705132][ T10] inet6_addr_add+0x12f/0xa40 [ 8939.705132][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8939.705132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8939.705132][ T10] netlink_rcv_skb+0x130/0x360 [ 8939.705132][ T10] netlink_unicast+0x449/0x710 [ 8939.705132][ T10] netlink_sendmsg+0x723/0xbe0 [ 8939.705132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8939.705132][ T10] ___sys_sendmsg+0xee/0x170 [ 8939.705132][ T10] __sys_sendmsg+0xcd/0x170 [ 8939.705132][ T10] do_syscall_64+0xc6/0x1e0 [ 8939.705132][ T10] [ 8939.707107][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8939.707107][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8939.707107][ T10] ipv6_find_idev+0x102/0x170 [ 8939.707107][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8939.707107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8939.707107][ T10] netlink_rcv_skb+0x130/0x360 [ 8939.707107][ T10] netlink_unicast+0x449/0x710 [ 8939.707107][ T10] netlink_sendmsg+0x723/0xbe0 [ 8939.707107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8939.707107][ T10] ___sys_sendmsg+0xee/0x170 [ 8939.707107][ T10] __sys_sendmsg+0xcd/0x170 [ 8939.707107][ T10] do_syscall_64+0xc6/0x1e0 [ 8939.707107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8939.707107][ T10] [ 8939.708640][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8939.708640][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8939.708640][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8939.708640][ T10] ipv6_find_idev+0x102/0x170 [ 8939.708640][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8939.708640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8939.708640][ T10] netlink_rcv_skb+0x130/0x360 [ 8939.708640][ T10] netlink_unicast+0x449/0x710 [ 8939.708640][ T10] netlink_sendmsg+0x723/0xbe0 [ 8939.708640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8939.708640][ T10] ___sys_sendmsg+0xee/0x170 [ 8939.708640][ T10] __sys_sendmsg+0xcd/0x170 [ 8939.708640][ T10] do_syscall_64+0xc6/0x1e0 [ 8939.708640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8939.708640][ T10] [ 8949.590827][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8949.591320][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8949.591320][T12167] netdev_get_by_index+0x5e/0x80 [ 8949.591320][T12167] fib6_nh_init+0x3d8/0x1580 [ 8949.591320][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8949.591320][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8949.591320][T12167] ipv6_add_addr+0x411/0x2000 [ 8949.591320][T12167] inet6_addr_add+0x30e/0xa40 [ 8949.591320][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8949.591320][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8949.591320][T12167] netlink_rcv_skb+0x130/0x360 [ 8949.591320][T12167] netlink_unicast+0x449/0x710 [ 8949.591320][T12167] netlink_sendmsg+0x723/0xbe0 [ 8949.591320][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8949.591320][T12167] ___sys_sendmsg+0xee/0x170 [ 8949.591320][T12167] __sys_sendmsg+0xcd/0x170 [ 8949.591320][T12167] do_syscall_64+0xc6/0x1e0 [ 8949.591320][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8949.591320][T12167] [ 8949.593604][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8949.593604][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8949.593604][T12167] ipv6_find_idev+0x102/0x170 [ 8949.593604][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8949.593604][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8949.593604][T12167] netlink_rcv_skb+0x130/0x360 [ 8949.593604][T12167] netlink_unicast+0x449/0x710 [ 8949.593604][T12167] netlink_sendmsg+0x723/0xbe0 [ 8949.593604][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8949.593604][T12167] ___sys_sendmsg+0xee/0x170 [ 8949.593604][T12167] __sys_sendmsg+0xcd/0x170 [ 8949.593604][T12167] do_syscall_64+0xc6/0x1e0 [ 8949.593604][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8949.593604][T12167] [ 8949.595346][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8949.595346][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8949.595346][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8949.595346][T12167] ipv6_find_idev+0x102/0x170 [ 8949.595346][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8949.595346][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8949.595346][T12167] netlink_rcv_skb+0x130/0x360 [ 8949.595346][T12167] netlink_unicast+0x449/0x710 [ 8949.595346][T12167] netlink_sendmsg+0x723/0xbe0 [ 8949.595346][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8949.595346][T12167] ___sys_sendmsg+0xee/0x170 [ 8949.595346][T12167] __sys_sendmsg+0xcd/0x170 [ 8949.595346][T12167] do_syscall_64+0xc6/0x1e0 [ 8949.595346][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8949.595346][T12167] [ 8949.846799][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 8949.847200][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 8949.847200][ T10] dst_init+0x84/0x4a0 [ 8949.847200][ T10] dst_alloc+0x97/0x150 [ 8949.847200][ T10] ip6_dst_alloc+0x23/0x90 [ 8949.847200][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8949.847200][ T10] ip6_pol_route+0x56f/0x840 [ 8949.847200][ T10] fib6_rule_lookup+0x334/0x630 [ 8949.847200][ T10] ip6_route_output_flags+0x259/0x480 [ 8949.847200][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8949.847200][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8949.847200][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 8949.847200][ T10] ____sys_sendmsg+0x772/0xa10 [ 8949.847200][ T10] ___sys_sendmsg+0xee/0x170 [ 8949.847200][ T10] __sys_sendmsg+0xcd/0x170 [ 8949.847200][ T10] do_syscall_64+0xc6/0x1e0 [ 8949.847200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8949.847200][ T10] [ 8949.849109][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8949.849109][ T10] dst_init+0x84/0x4a0 [ 8949.849109][ T10] dst_alloc+0x97/0x150 [ 8949.849109][ T10] ip6_dst_alloc+0x23/0x90 [ 8949.849109][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8949.849109][ T10] ip6_pol_route+0x56f/0x840 [ 8949.849109][ T10] fib6_rule_lookup+0x334/0x630 [ 8949.849109][ T10] ip6_route_output_flags+0x259/0x480 [ 8949.849109][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8949.849109][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8949.849109][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8949.849109][ T10] ping_v6_sendmsg+0x763/0x1150 [ 8949.849109][ T10] ____sys_sendmsg+0x772/0xa10 [ 8949.849109][ T10] ___sys_sendmsg+0xee/0x170 [ 8949.849109][ T10] __sys_sendmsg+0xcd/0x170 [ 8949.849109][ T10] do_syscall_64+0xc6/0x1e0 [ 8949.849109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8949.849109][ T10] [ 8949.851122][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8949.851122][ T10] dst_init+0x84/0x4a0 [ 8949.851122][ T10] dst_alloc+0x97/0x150 [ 8949.851122][ T10] ip6_dst_alloc+0x23/0x90 [ 8949.851122][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8949.851122][ T10] ip6_pol_route+0x56f/0x840 [ 8949.851122][ T10] fib6_rule_lookup+0x334/0x630 [ 8949.851122][ T10] ip6_route_output_flags+0x259/0x480 [ 8949.851122][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8949.851122][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8949.851122][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8949.851122][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 8949.851122][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 8949.851122][ T10] ___sys_sendmsg+0xee/0x170 [ 8949.851122][ T10] __sys_sendmsg+0xcd/0x170 [ 8949.851122][ T10] do_syscall_64+0xc6/0x1e0 [ 8949.851122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8949.851122][ T10] [ 8949.853148][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8949.853148][ T10] netdev_get_by_index+0x5e/0x80 [ 8949.853148][ T10] fib6_nh_init+0x3d8/0x1580 [ 8949.853148][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8949.853148][ T10] ip6_route_add+0x1c/0x140 [ 8949.853148][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8949.853148][ T10] inet6_addr_add+0x4f8/0xa40 [ 8949.853148][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8949.853148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8949.853148][ T10] netlink_rcv_skb+0x130/0x360 [ 8949.853148][ T10] netlink_unicast+0x449/0x710 [ 8949.853148][ T10] netlink_sendmsg+0x723/0xbe0 [ 8949.853148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8949.853148][ T10] ___sys_sendmsg+0xee/0x170 [ 8949.853148][ T10] __sys_sendmsg+0xcd/0x170 [ 8949.853148][ T10] do_syscall_64+0xc6/0x1e0 [ 8949.853148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8949.853148][ T10] [ 8949.855178][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8949.855178][ T10] netdev_get_by_index+0x5e/0x80 [ 8949.855178][ T10] fib6_nh_init+0x3d8/0x1580 [ 8949.855178][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8949.855178][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8949.855178][ T10] ipv6_add_addr+0x411/0x2000 [ 8949.855178][ T10] inet6_addr_add+0x30e/0xa40 [ 8949.855178][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8949.855178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8949.855178][ T10] netlink_rcv_skb+0x130/0x360 [ 8949.855178][ T10] netlink_unicast+0x449/0x710 [ 8949.855178][ T10] netlink_sendmsg+0x723/0xbe0 [ 8949.855178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8949.855178][ T10] ___sys_sendmsg+0xee/0x170 [ 8949.855178][ T10] __sys_sendmsg+0xcd/0x170 [ 8949.855178][ T10] do_syscall_64+0xc6/0x1e0 [ 8949.855178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8949.855178][ T10] [ 8949.857216][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8949.857216][ T10] netdev_get_by_index+0x5e/0x80 [ 8949.857216][ T10] fib6_nh_init+0x3d8/0x1580 [ 8949.857216][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8949.857216][ T10] ip6_route_add+0x1c/0x140 [ 8949.857216][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8949.857216][ T10] addrconf_add_dev+0xe2/0x170 [ 8949.857216][ T10] inet6_addr_add+0x12f/0xa40 [ 8949.857216][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8949.857216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8949.857216][ T10] netlink_rcv_skb+0x130/0x360 [ 8949.857216][ T10] netlink_unicast+0x449/0x710 [ 8949.857216][ T10] netlink_sendmsg+0x723/0xbe0 [ 8949.857216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8949.857216][ T10] ___sys_sendmsg+0xee/0x170 [ 8949.857216][ T10] __sys_sendmsg+0xcd/0x170 [ 8949.857216][ T10] do_syscall_64+0xc6/0x1e0 [ 8949.857216][ T10] [ 8949.859209][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8949.859209][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8949.859209][ T10] ipv6_find_idev+0x102/0x170 [ 8949.859209][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8949.859209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8949.859209][ T10] netlink_rcv_skb+0x130/0x360 [ 8949.859209][ T10] netlink_unicast+0x449/0x710 [ 8949.859209][ T10] netlink_sendmsg+0x723/0xbe0 [ 8949.859209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8949.859209][ T10] ___sys_sendmsg+0xee/0x170 [ 8949.859209][ T10] __sys_sendmsg+0xcd/0x170 [ 8949.859209][ T10] do_syscall_64+0xc6/0x1e0 [ 8949.859209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8949.859209][ T10] [ 8949.860771][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8949.860771][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8949.860771][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8949.860771][ T10] ipv6_find_idev+0x102/0x170 [ 8949.860771][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8949.860771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8949.860771][ T10] netlink_rcv_skb+0x130/0x360 [ 8949.860771][ T10] netlink_unicast+0x449/0x710 [ 8949.860771][ T10] netlink_sendmsg+0x723/0xbe0 [ 8949.860771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8949.860771][ T10] ___sys_sendmsg+0xee/0x170 [ 8949.860771][ T10] __sys_sendmsg+0xcd/0x170 [ 8949.860771][ T10] do_syscall_64+0xc6/0x1e0 [ 8949.860771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8949.860771][ T10] [ 8959.598825][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8959.599315][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8959.599315][T12167] netdev_get_by_index+0x5e/0x80 [ 8959.599315][T12167] fib6_nh_init+0x3d8/0x1580 [ 8959.599315][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8959.599315][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8959.599315][T12167] ipv6_add_addr+0x411/0x2000 [ 8959.599315][T12167] inet6_addr_add+0x30e/0xa40 [ 8959.599315][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8959.599315][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8959.599315][T12167] netlink_rcv_skb+0x130/0x360 [ 8959.599315][T12167] netlink_unicast+0x449/0x710 [ 8959.599315][T12167] netlink_sendmsg+0x723/0xbe0 [ 8959.599315][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8959.599315][T12167] ___sys_sendmsg+0xee/0x170 [ 8959.599315][T12167] __sys_sendmsg+0xcd/0x170 [ 8959.599315][T12167] do_syscall_64+0xc6/0x1e0 [ 8959.599315][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8959.599315][T12167] [ 8959.601584][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8959.601584][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8959.601584][T12167] ipv6_find_idev+0x102/0x170 [ 8959.601584][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8959.601584][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8959.601584][T12167] netlink_rcv_skb+0x130/0x360 [ 8959.601584][T12167] netlink_unicast+0x449/0x710 [ 8959.601584][T12167] netlink_sendmsg+0x723/0xbe0 [ 8959.601584][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8959.601584][T12167] ___sys_sendmsg+0xee/0x170 [ 8959.601584][T12167] __sys_sendmsg+0xcd/0x170 [ 8959.601584][T12167] do_syscall_64+0xc6/0x1e0 [ 8959.601584][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8959.601584][T12167] [ 8959.603319][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8959.603319][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8959.603319][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8959.603319][T12167] ipv6_find_idev+0x102/0x170 [ 8959.603319][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8959.603319][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8959.603319][T12167] netlink_rcv_skb+0x130/0x360 [ 8959.603319][T12167] netlink_unicast+0x449/0x710 [ 8959.603319][T12167] netlink_sendmsg+0x723/0xbe0 [ 8959.603319][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8959.603319][T12167] ___sys_sendmsg+0xee/0x170 [ 8959.603319][T12167] __sys_sendmsg+0xcd/0x170 [ 8959.603319][T12167] do_syscall_64+0xc6/0x1e0 [ 8959.603319][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8959.603319][T12167] [ 8960.102871][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 8960.103270][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 8960.103270][ T10] dst_init+0x84/0x4a0 [ 8960.103270][ T10] dst_alloc+0x97/0x150 [ 8960.103270][ T10] ip6_dst_alloc+0x23/0x90 [ 8960.103270][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8960.103270][ T10] ip6_pol_route+0x56f/0x840 [ 8960.103270][ T10] fib6_rule_lookup+0x334/0x630 [ 8960.103270][ T10] ip6_route_output_flags+0x259/0x480 [ 8960.103270][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8960.103270][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8960.103270][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 8960.103270][ T10] ____sys_sendmsg+0x772/0xa10 [ 8960.103270][ T10] ___sys_sendmsg+0xee/0x170 [ 8960.103270][ T10] __sys_sendmsg+0xcd/0x170 [ 8960.103270][ T10] do_syscall_64+0xc6/0x1e0 [ 8960.103270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8960.103270][ T10] [ 8960.105199][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8960.105199][ T10] dst_init+0x84/0x4a0 [ 8960.105199][ T10] dst_alloc+0x97/0x150 [ 8960.105199][ T10] ip6_dst_alloc+0x23/0x90 [ 8960.105199][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8960.105199][ T10] ip6_pol_route+0x56f/0x840 [ 8960.105199][ T10] fib6_rule_lookup+0x334/0x630 [ 8960.105199][ T10] ip6_route_output_flags+0x259/0x480 [ 8960.105199][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8960.105199][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8960.105199][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8960.105199][ T10] ping_v6_sendmsg+0x763/0x1150 [ 8960.105199][ T10] ____sys_sendmsg+0x772/0xa10 [ 8960.105199][ T10] ___sys_sendmsg+0xee/0x170 [ 8960.105199][ T10] __sys_sendmsg+0xcd/0x170 [ 8960.105199][ T10] do_syscall_64+0xc6/0x1e0 [ 8960.105199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8960.105199][ T10] [ 8960.107206][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8960.107206][ T10] dst_init+0x84/0x4a0 [ 8960.107206][ T10] dst_alloc+0x97/0x150 [ 8960.107206][ T10] ip6_dst_alloc+0x23/0x90 [ 8960.107206][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8960.107206][ T10] ip6_pol_route+0x56f/0x840 [ 8960.107206][ T10] fib6_rule_lookup+0x334/0x630 [ 8960.107206][ T10] ip6_route_output_flags+0x259/0x480 [ 8960.107206][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8960.107206][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8960.107206][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8960.107206][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 8960.107206][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 8960.107206][ T10] ___sys_sendmsg+0xee/0x170 [ 8960.107206][ T10] __sys_sendmsg+0xcd/0x170 [ 8960.107206][ T10] do_syscall_64+0xc6/0x1e0 [ 8960.107206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8960.107206][ T10] [ 8960.109226][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8960.109226][ T10] netdev_get_by_index+0x5e/0x80 [ 8960.109226][ T10] fib6_nh_init+0x3d8/0x1580 [ 8960.109226][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8960.109226][ T10] ip6_route_add+0x1c/0x140 [ 8960.109226][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8960.109226][ T10] inet6_addr_add+0x4f8/0xa40 [ 8960.109226][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8960.109226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8960.109226][ T10] netlink_rcv_skb+0x130/0x360 [ 8960.109226][ T10] netlink_unicast+0x449/0x710 [ 8960.109226][ T10] netlink_sendmsg+0x723/0xbe0 [ 8960.109226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8960.109226][ T10] ___sys_sendmsg+0xee/0x170 [ 8960.109226][ T10] __sys_sendmsg+0xcd/0x170 [ 8960.109226][ T10] do_syscall_64+0xc6/0x1e0 [ 8960.109226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8960.109226][ T10] [ 8960.111244][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8960.111244][ T10] netdev_get_by_index+0x5e/0x80 [ 8960.111244][ T10] fib6_nh_init+0x3d8/0x1580 [ 8960.111244][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8960.111244][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8960.111244][ T10] ipv6_add_addr+0x411/0x2000 [ 8960.111244][ T10] inet6_addr_add+0x30e/0xa40 [ 8960.111244][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8960.111244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8960.111244][ T10] netlink_rcv_skb+0x130/0x360 [ 8960.111244][ T10] netlink_unicast+0x449/0x710 [ 8960.111244][ T10] netlink_sendmsg+0x723/0xbe0 [ 8960.111244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8960.111244][ T10] ___sys_sendmsg+0xee/0x170 [ 8960.111244][ T10] __sys_sendmsg+0xcd/0x170 [ 8960.111244][ T10] do_syscall_64+0xc6/0x1e0 [ 8960.111244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8960.111244][ T10] [ 8960.113271][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8960.113271][ T10] netdev_get_by_index+0x5e/0x80 [ 8960.113271][ T10] fib6_nh_init+0x3d8/0x1580 [ 8960.113271][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8960.113271][ T10] ip6_route_add+0x1c/0x140 [ 8960.113271][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8960.113271][ T10] addrconf_add_dev+0xe2/0x170 [ 8960.113271][ T10] inet6_addr_add+0x12f/0xa40 [ 8960.113271][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8960.113271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8960.113271][ T10] netlink_rcv_skb+0x130/0x360 [ 8960.113271][ T10] netlink_unicast+0x449/0x710 [ 8960.113271][ T10] netlink_sendmsg+0x723/0xbe0 [ 8960.113271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8960.113271][ T10] ___sys_sendmsg+0xee/0x170 [ 8960.113271][ T10] __sys_sendmsg+0xcd/0x170 [ 8960.113271][ T10] do_syscall_64+0xc6/0x1e0 [ 8960.113271][ T10] [ 8960.115264][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8960.115264][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8960.115264][ T10] ipv6_find_idev+0x102/0x170 [ 8960.115264][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8960.115264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8960.115264][ T10] netlink_rcv_skb+0x130/0x360 [ 8960.115264][ T10] netlink_unicast+0x449/0x710 [ 8960.115264][ T10] netlink_sendmsg+0x723/0xbe0 [ 8960.115264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8960.115264][ T10] ___sys_sendmsg+0xee/0x170 [ 8960.115264][ T10] __sys_sendmsg+0xcd/0x170 [ 8960.115264][ T10] do_syscall_64+0xc6/0x1e0 [ 8960.115264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8960.115264][ T10] [ 8960.116815][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8960.116815][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8960.116815][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8960.116815][ T10] ipv6_find_idev+0x102/0x170 [ 8960.116815][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8960.116815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8960.116815][ T10] netlink_rcv_skb+0x130/0x360 [ 8960.116815][ T10] netlink_unicast+0x449/0x710 [ 8960.116815][ T10] netlink_sendmsg+0x723/0xbe0 [ 8960.116815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8960.116815][ T10] ___sys_sendmsg+0xee/0x170 [ 8960.116815][ T10] __sys_sendmsg+0xcd/0x170 [ 8960.116815][ T10] do_syscall_64+0xc6/0x1e0 [ 8960.116815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8960.116815][ T10] [ 8969.718814][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8969.719311][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8969.719311][T12167] netdev_get_by_index+0x5e/0x80 [ 8969.719311][T12167] fib6_nh_init+0x3d8/0x1580 [ 8969.719311][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8969.719311][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8969.719311][T12167] ipv6_add_addr+0x411/0x2000 [ 8969.719311][T12167] inet6_addr_add+0x30e/0xa40 [ 8969.719311][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8969.719311][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8969.719311][T12167] netlink_rcv_skb+0x130/0x360 [ 8969.719311][T12167] netlink_unicast+0x449/0x710 [ 8969.719311][T12167] netlink_sendmsg+0x723/0xbe0 [ 8969.719311][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8969.719311][T12167] ___sys_sendmsg+0xee/0x170 [ 8969.719311][T12167] __sys_sendmsg+0xcd/0x170 [ 8969.719311][T12167] do_syscall_64+0xc6/0x1e0 [ 8969.719311][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8969.719311][T12167] [ 8969.721578][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8969.721578][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8969.721578][T12167] ipv6_find_idev+0x102/0x170 [ 8969.721578][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8969.721578][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8969.721578][T12167] netlink_rcv_skb+0x130/0x360 [ 8969.721578][T12167] netlink_unicast+0x449/0x710 [ 8969.721578][T12167] netlink_sendmsg+0x723/0xbe0 [ 8969.721578][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8969.721578][T12167] ___sys_sendmsg+0xee/0x170 [ 8969.721578][T12167] __sys_sendmsg+0xcd/0x170 [ 8969.721578][T12167] do_syscall_64+0xc6/0x1e0 [ 8969.721578][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8969.721578][T12167] [ 8969.723311][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8969.723311][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8969.723311][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8969.723311][T12167] ipv6_find_idev+0x102/0x170 [ 8969.723311][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8969.723311][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8969.723311][T12167] netlink_rcv_skb+0x130/0x360 [ 8969.723311][T12167] netlink_unicast+0x449/0x710 [ 8969.723311][T12167] netlink_sendmsg+0x723/0xbe0 [ 8969.723311][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8969.723311][T12167] ___sys_sendmsg+0xee/0x170 [ 8969.723311][T12167] __sys_sendmsg+0xcd/0x170 [ 8969.723311][T12167] do_syscall_64+0xc6/0x1e0 [ 8969.723311][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8969.723311][T12167] [ 8970.222882][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 8970.223290][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 8970.223290][ T10] dst_init+0x84/0x4a0 [ 8970.223290][ T10] dst_alloc+0x97/0x150 [ 8970.223290][ T10] ip6_dst_alloc+0x23/0x90 [ 8970.223290][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8970.223290][ T10] ip6_pol_route+0x56f/0x840 [ 8970.223290][ T10] fib6_rule_lookup+0x334/0x630 [ 8970.223290][ T10] ip6_route_output_flags+0x259/0x480 [ 8970.223290][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8970.223290][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8970.223290][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 8970.223290][ T10] ____sys_sendmsg+0x772/0xa10 [ 8970.223290][ T10] ___sys_sendmsg+0xee/0x170 [ 8970.223290][ T10] __sys_sendmsg+0xcd/0x170 [ 8970.223290][ T10] do_syscall_64+0xc6/0x1e0 [ 8970.223290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8970.223290][ T10] [ 8970.225197][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8970.225197][ T10] dst_init+0x84/0x4a0 [ 8970.225197][ T10] dst_alloc+0x97/0x150 [ 8970.225197][ T10] ip6_dst_alloc+0x23/0x90 [ 8970.225197][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8970.225197][ T10] ip6_pol_route+0x56f/0x840 [ 8970.225197][ T10] fib6_rule_lookup+0x334/0x630 [ 8970.225197][ T10] ip6_route_output_flags+0x259/0x480 [ 8970.225197][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8970.225197][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8970.225197][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8970.225197][ T10] ping_v6_sendmsg+0x763/0x1150 [ 8970.225197][ T10] ____sys_sendmsg+0x772/0xa10 [ 8970.225197][ T10] ___sys_sendmsg+0xee/0x170 [ 8970.225197][ T10] __sys_sendmsg+0xcd/0x170 [ 8970.225197][ T10] do_syscall_64+0xc6/0x1e0 [ 8970.225197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8970.225197][ T10] [ 8970.227194][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8970.227194][ T10] dst_init+0x84/0x4a0 [ 8970.227194][ T10] dst_alloc+0x97/0x150 [ 8970.227194][ T10] ip6_dst_alloc+0x23/0x90 [ 8970.227194][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8970.227194][ T10] ip6_pol_route+0x56f/0x840 [ 8970.227194][ T10] fib6_rule_lookup+0x334/0x630 [ 8970.227194][ T10] ip6_route_output_flags+0x259/0x480 [ 8970.227194][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8970.227194][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8970.227194][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8970.227194][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 8970.227194][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 8970.227194][ T10] ___sys_sendmsg+0xee/0x170 [ 8970.227194][ T10] __sys_sendmsg+0xcd/0x170 [ 8970.227194][ T10] do_syscall_64+0xc6/0x1e0 [ 8970.227194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8970.227194][ T10] [ 8970.229188][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8970.229188][ T10] netdev_get_by_index+0x5e/0x80 [ 8970.229188][ T10] fib6_nh_init+0x3d8/0x1580 [ 8970.229188][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8970.229188][ T10] ip6_route_add+0x1c/0x140 [ 8970.229188][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8970.229188][ T10] inet6_addr_add+0x4f8/0xa40 [ 8970.229188][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8970.229188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8970.229188][ T10] netlink_rcv_skb+0x130/0x360 [ 8970.229188][ T10] netlink_unicast+0x449/0x710 [ 8970.229188][ T10] netlink_sendmsg+0x723/0xbe0 [ 8970.229188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8970.229188][ T10] ___sys_sendmsg+0xee/0x170 [ 8970.229188][ T10] __sys_sendmsg+0xcd/0x170 [ 8970.229188][ T10] do_syscall_64+0xc6/0x1e0 [ 8970.229188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8970.229188][ T10] [ 8970.231190][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8970.231190][ T10] netdev_get_by_index+0x5e/0x80 [ 8970.231190][ T10] fib6_nh_init+0x3d8/0x1580 [ 8970.231190][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8970.231190][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8970.231190][ T10] ipv6_add_addr+0x411/0x2000 [ 8970.231190][ T10] inet6_addr_add+0x30e/0xa40 [ 8970.231190][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8970.231190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8970.231190][ T10] netlink_rcv_skb+0x130/0x360 [ 8970.231190][ T10] netlink_unicast+0x449/0x710 [ 8970.231190][ T10] netlink_sendmsg+0x723/0xbe0 [ 8970.231190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8970.231190][ T10] ___sys_sendmsg+0xee/0x170 [ 8970.231190][ T10] __sys_sendmsg+0xcd/0x170 [ 8970.231190][ T10] do_syscall_64+0xc6/0x1e0 [ 8970.231190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8970.231190][ T10] [ 8970.233184][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8970.233184][ T10] netdev_get_by_index+0x5e/0x80 [ 8970.233184][ T10] fib6_nh_init+0x3d8/0x1580 [ 8970.233184][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8970.233184][ T10] ip6_route_add+0x1c/0x140 [ 8970.233184][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8970.233184][ T10] addrconf_add_dev+0xe2/0x170 [ 8970.233184][ T10] inet6_addr_add+0x12f/0xa40 [ 8970.233184][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8970.233184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8970.233184][ T10] netlink_rcv_skb+0x130/0x360 [ 8970.233184][ T10] netlink_unicast+0x449/0x710 [ 8970.233184][ T10] netlink_sendmsg+0x723/0xbe0 [ 8970.233184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8970.233184][ T10] ___sys_sendmsg+0xee/0x170 [ 8970.233184][ T10] __sys_sendmsg+0xcd/0x170 [ 8970.233184][ T10] do_syscall_64+0xc6/0x1e0 [ 8970.233184][ T10] [ 8970.235155][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8970.235155][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8970.235155][ T10] ipv6_find_idev+0x102/0x170 [ 8970.235155][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8970.235155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8970.235155][ T10] netlink_rcv_skb+0x130/0x360 [ 8970.235155][ T10] netlink_unicast+0x449/0x710 [ 8970.235155][ T10] netlink_sendmsg+0x723/0xbe0 [ 8970.235155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8970.235155][ T10] ___sys_sendmsg+0xee/0x170 [ 8970.235155][ T10] __sys_sendmsg+0xcd/0x170 [ 8970.235155][ T10] do_syscall_64+0xc6/0x1e0 [ 8970.235155][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8970.235155][ T10] [ 8970.236692][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8970.236692][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8970.236692][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8970.236692][ T10] ipv6_find_idev+0x102/0x170 [ 8970.236692][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8970.236692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8970.236692][ T10] netlink_rcv_skb+0x130/0x360 [ 8970.236692][ T10] netlink_unicast+0x449/0x710 [ 8970.236692][ T10] netlink_sendmsg+0x723/0xbe0 [ 8970.236692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8970.236692][ T10] ___sys_sendmsg+0xee/0x170 [ 8970.236692][ T10] __sys_sendmsg+0xcd/0x170 [ 8970.236692][ T10] do_syscall_64+0xc6/0x1e0 [ 8970.236692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8970.236692][ T10] [ 8971.558769][ T42] INFO: task modprobe:12646 blocked for more than 245 seconds. [ 8971.559052][ T42] Not tainted 6.8.0-virtme #1 [ 8971.559176][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 8971.559376][ T42] task:modprobe state:D stack:25856 pid:12646 tgid:12646 ppid:44 flags:0x00004002 [ 8971.559623][ T42] Call Trace: [ 8971.559741][ T42] [ 8971.559812][ T42] __schedule+0x705/0x1ac0 [ 8971.559949][ T42] ? __pfx___schedule+0x10/0x10 [ 8971.560073][ T42] ? schedule+0x1a5/0x210 [ 8971.560170][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 8971.560301][ T42] ? mark_lock+0x38/0x3e0 [ 8971.560397][ T42] ? do_raw_spin_lock+0x131/0x270 [ 8971.560525][ T42] ? schedule+0x1a5/0x210 [ 8971.560626][ T42] schedule+0xdf/0x210 [ 8971.560734][ T42] schedule_preempt_disabled+0x15/0x30 [ 8971.560856][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 8971.560985][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 8971.561140][ T42] ? __pfx_console_unlock+0x10/0x10 [ 8971.561264][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 8971.561396][ T42] ? lock_acquire+0x1c1/0x220 [ 8971.561521][ T42] ? register_pernet_subsys+0x1a/0x50 [ 8971.561651][ T42] down_write+0x1c9/0x200 [ 8971.561757][ T42] ? __pfx_down_write+0x10/0x10 [ 8971.561879][ T42] ? __pfx__printk+0x10/0x10 [ 8971.562007][ T42] ? __pfx___lock_release+0x10/0x10 [ 8971.562133][ T42] register_pernet_subsys+0x1a/0x50 [ 8971.562257][ T42] tcf_register_action+0xa3/0x600 [ 8971.562388][ T42] ? __pfx_gact_init_module+0x10/0x10 [act_gact] [ 8971.562551][ T42] do_one_initcall+0xc8/0x3f0 [ 8971.562676][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 8971.562811][ T42] ? __create_object+0x5e/0xb0 [ 8971.562940][ T42] ? kasan_unpoison+0x27/0x60 [ 8971.563069][ T42] do_init_module+0x233/0x740 [ 8971.563207][ T42] load_module+0x16b5/0x2350 [ 8971.563343][ T42] ? __pfx_load_module+0x10/0x10 [ 8971.563485][ T42] ? kernel_read_file+0x3d2/0x520 [ 8971.563623][ T42] ? kernel_read_file+0x300/0x520 [ 8971.563757][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 8971.563888][ T42] ? init_module_from_file+0xd2/0x130 [ 8971.564016][ T42] init_module_from_file+0xd2/0x130 [ 8971.564139][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 8971.564291][ T42] ? __lock_release+0x103/0x460 [ 8971.564413][ T42] ? idempotent_init_module+0x32a/0x620 [ 8971.564552][ T42] ? idempotent_init_module+0x32a/0x620 [ 8971.564675][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 8971.564813][ T42] idempotent_init_module+0x342/0x620 [ 8971.564939][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 8971.565112][ T42] __x64_sys_finit_module+0xbe/0x130 [ 8971.565237][ T42] do_syscall_64+0xc6/0x1e0 [ 8971.565363][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8971.565516][ T42] RIP: 0033:0x7fac120f1e5d [ 8971.565650][ T42] RSP: 002b:00007ffc57d8a578 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 8971.565843][ T42] RAX: ffffffffffffffda RBX: 0000557fdddd7c80 RCX: 00007fac120f1e5d [ 8971.566026][ T42] RDX: 0000000000000000 RSI: 0000557fb6aeba2a RDI: 0000000000000000 [ 8971.566209][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffc57d8a6b0 [ 8971.566394][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557fb6aeba2a [ 8971.566577][ T42] R13: 0000557fdddd7ac0 R14: 0000557fdddd80b0 R15: 0000557fdddd7cf1 [ 8971.566784][ T42] [ 8971.566878][ T42] [ 8971.566878][ T42] Showing all locks held in the system: [ 8971.567051][ T42] 3 locks held by kworker/u16:0/10: [ 8971.567174][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 8971.567426][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 8971.567641][ T42] #2: ffffffff91f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 8971.567870][ T42] 1 lock held by khungtaskd/42: [ 8971.567990][ T42] #0: ffffffff917591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 8971.568208][ T42] 2 locks held by kworker/u17:1/44: [ 8971.568328][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 8971.568570][ T42] #1: ffffc90000317da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 8971.568922][ T42] 1 lock held by modprobe/12646: [ 8971.569039][ T42] #0: ffffffff91f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 8971.569283][ T42] [ 8971.569348][ T42] ============================================= [ 8971.569348][ T42] [ 8979.966807][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8979.967321][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8979.967321][T12167] netdev_get_by_index+0x5e/0x80 [ 8979.967321][T12167] fib6_nh_init+0x3d8/0x1580 [ 8979.967321][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8979.967321][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8979.967321][T12167] ipv6_add_addr+0x411/0x2000 [ 8979.967321][T12167] inet6_addr_add+0x30e/0xa40 [ 8979.967321][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8979.967321][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8979.967321][T12167] netlink_rcv_skb+0x130/0x360 [ 8979.967321][T12167] netlink_unicast+0x449/0x710 [ 8979.967321][T12167] netlink_sendmsg+0x723/0xbe0 [ 8979.967321][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8979.967321][T12167] ___sys_sendmsg+0xee/0x170 [ 8979.967321][T12167] __sys_sendmsg+0xcd/0x170 [ 8979.967321][T12167] do_syscall_64+0xc6/0x1e0 [ 8979.967321][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8979.967321][T12167] [ 8979.969623][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8979.969623][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8979.969623][T12167] ipv6_find_idev+0x102/0x170 [ 8979.969623][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8979.969623][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8979.969623][T12167] netlink_rcv_skb+0x130/0x360 [ 8979.969623][T12167] netlink_unicast+0x449/0x710 [ 8979.969623][T12167] netlink_sendmsg+0x723/0xbe0 [ 8979.969623][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8979.969623][T12167] ___sys_sendmsg+0xee/0x170 [ 8979.969623][T12167] __sys_sendmsg+0xcd/0x170 [ 8979.969623][T12167] do_syscall_64+0xc6/0x1e0 [ 8979.969623][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8979.969623][T12167] [ 8979.971451][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8979.971451][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8979.971451][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8979.971451][T12167] ipv6_find_idev+0x102/0x170 [ 8979.971451][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8979.971451][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8979.971451][T12167] netlink_rcv_skb+0x130/0x360 [ 8979.971451][T12167] netlink_unicast+0x449/0x710 [ 8979.971451][T12167] netlink_sendmsg+0x723/0xbe0 [ 8979.971451][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8979.971451][T12167] ___sys_sendmsg+0xee/0x170 [ 8979.971451][T12167] __sys_sendmsg+0xcd/0x170 [ 8979.971451][T12167] do_syscall_64+0xc6/0x1e0 [ 8979.971451][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8979.971451][T12167] [ 8980.478802][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 8980.479221][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 8980.479221][ T10] dst_init+0x84/0x4a0 [ 8980.479221][ T10] dst_alloc+0x97/0x150 [ 8980.479221][ T10] ip6_dst_alloc+0x23/0x90 [ 8980.479221][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8980.479221][ T10] ip6_pol_route+0x56f/0x840 [ 8980.479221][ T10] fib6_rule_lookup+0x334/0x630 [ 8980.479221][ T10] ip6_route_output_flags+0x259/0x480 [ 8980.479221][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8980.479221][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8980.479221][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 8980.479221][ T10] ____sys_sendmsg+0x772/0xa10 [ 8980.479221][ T10] ___sys_sendmsg+0xee/0x170 [ 8980.479221][ T10] __sys_sendmsg+0xcd/0x170 [ 8980.479221][ T10] do_syscall_64+0xc6/0x1e0 [ 8980.479221][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8980.479221][ T10] [ 8980.481115][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8980.481115][ T10] dst_init+0x84/0x4a0 [ 8980.481115][ T10] dst_alloc+0x97/0x150 [ 8980.481115][ T10] ip6_dst_alloc+0x23/0x90 [ 8980.481115][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8980.481115][ T10] ip6_pol_route+0x56f/0x840 [ 8980.481115][ T10] fib6_rule_lookup+0x334/0x630 [ 8980.481115][ T10] ip6_route_output_flags+0x259/0x480 [ 8980.481115][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8980.481115][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8980.481115][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8980.481115][ T10] ping_v6_sendmsg+0x763/0x1150 [ 8980.481115][ T10] ____sys_sendmsg+0x772/0xa10 [ 8980.481115][ T10] ___sys_sendmsg+0xee/0x170 [ 8980.481115][ T10] __sys_sendmsg+0xcd/0x170 [ 8980.481115][ T10] do_syscall_64+0xc6/0x1e0 [ 8980.481115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8980.481115][ T10] [ 8980.483115][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8980.483115][ T10] dst_init+0x84/0x4a0 [ 8980.483115][ T10] dst_alloc+0x97/0x150 [ 8980.483115][ T10] ip6_dst_alloc+0x23/0x90 [ 8980.483115][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8980.483115][ T10] ip6_pol_route+0x56f/0x840 [ 8980.483115][ T10] fib6_rule_lookup+0x334/0x630 [ 8980.483115][ T10] ip6_route_output_flags+0x259/0x480 [ 8980.483115][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8980.483115][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8980.483115][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8980.483115][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 8980.483115][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 8980.483115][ T10] ___sys_sendmsg+0xee/0x170 [ 8980.483115][ T10] __sys_sendmsg+0xcd/0x170 [ 8980.483115][ T10] do_syscall_64+0xc6/0x1e0 [ 8980.483115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8980.483115][ T10] [ 8980.485130][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8980.485130][ T10] netdev_get_by_index+0x5e/0x80 [ 8980.485130][ T10] fib6_nh_init+0x3d8/0x1580 [ 8980.485130][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8980.485130][ T10] ip6_route_add+0x1c/0x140 [ 8980.485130][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8980.485130][ T10] inet6_addr_add+0x4f8/0xa40 [ 8980.485130][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8980.485130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8980.485130][ T10] netlink_rcv_skb+0x130/0x360 [ 8980.485130][ T10] netlink_unicast+0x449/0x710 [ 8980.485130][ T10] netlink_sendmsg+0x723/0xbe0 [ 8980.485130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8980.485130][ T10] ___sys_sendmsg+0xee/0x170 [ 8980.485130][ T10] __sys_sendmsg+0xcd/0x170 [ 8980.485130][ T10] do_syscall_64+0xc6/0x1e0 [ 8980.485130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8980.485130][ T10] [ 8980.487129][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8980.487129][ T10] netdev_get_by_index+0x5e/0x80 [ 8980.487129][ T10] fib6_nh_init+0x3d8/0x1580 [ 8980.487129][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8980.487129][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8980.487129][ T10] ipv6_add_addr+0x411/0x2000 [ 8980.487129][ T10] inet6_addr_add+0x30e/0xa40 [ 8980.487129][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8980.487129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8980.487129][ T10] netlink_rcv_skb+0x130/0x360 [ 8980.487129][ T10] netlink_unicast+0x449/0x710 [ 8980.487129][ T10] netlink_sendmsg+0x723/0xbe0 [ 8980.487129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8980.487129][ T10] ___sys_sendmsg+0xee/0x170 [ 8980.487129][ T10] __sys_sendmsg+0xcd/0x170 [ 8980.487129][ T10] do_syscall_64+0xc6/0x1e0 [ 8980.487129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8980.487129][ T10] [ 8980.489126][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8980.489126][ T10] netdev_get_by_index+0x5e/0x80 [ 8980.489126][ T10] fib6_nh_init+0x3d8/0x1580 [ 8980.489126][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8980.489126][ T10] ip6_route_add+0x1c/0x140 [ 8980.489126][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8980.489126][ T10] addrconf_add_dev+0xe2/0x170 [ 8980.489126][ T10] inet6_addr_add+0x12f/0xa40 [ 8980.489126][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8980.489126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8980.489126][ T10] netlink_rcv_skb+0x130/0x360 [ 8980.489126][ T10] netlink_unicast+0x449/0x710 [ 8980.489126][ T10] netlink_sendmsg+0x723/0xbe0 [ 8980.489126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8980.489126][ T10] ___sys_sendmsg+0xee/0x170 [ 8980.489126][ T10] __sys_sendmsg+0xcd/0x170 [ 8980.489126][ T10] do_syscall_64+0xc6/0x1e0 [ 8980.489126][ T10] [ 8980.491097][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8980.491097][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8980.491097][ T10] ipv6_find_idev+0x102/0x170 [ 8980.491097][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8980.491097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8980.491097][ T10] netlink_rcv_skb+0x130/0x360 [ 8980.491097][ T10] netlink_unicast+0x449/0x710 [ 8980.491097][ T10] netlink_sendmsg+0x723/0xbe0 [ 8980.491097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8980.491097][ T10] ___sys_sendmsg+0xee/0x170 [ 8980.491097][ T10] __sys_sendmsg+0xcd/0x170 [ 8980.491097][ T10] do_syscall_64+0xc6/0x1e0 [ 8980.491097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8980.491097][ T10] [ 8980.492640][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8980.492640][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8980.492640][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8980.492640][ T10] ipv6_find_idev+0x102/0x170 [ 8980.492640][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8980.492640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8980.492640][ T10] netlink_rcv_skb+0x130/0x360 [ 8980.492640][ T10] netlink_unicast+0x449/0x710 [ 8980.492640][ T10] netlink_sendmsg+0x723/0xbe0 [ 8980.492640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8980.492640][ T10] ___sys_sendmsg+0xee/0x170 [ 8980.492640][ T10] __sys_sendmsg+0xcd/0x170 [ 8980.492640][ T10] do_syscall_64+0xc6/0x1e0 [ 8980.492640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8980.492640][ T10] [ 8990.102907][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8990.103422][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8990.103422][T12167] netdev_get_by_index+0x5e/0x80 [ 8990.103422][T12167] fib6_nh_init+0x3d8/0x1580 [ 8990.103422][T12167] ip6_route_info_create+0xf18/0x17d0 [ 8990.103422][T12167] addrconf_f6i_alloc+0x315/0x560 [ 8990.103422][T12167] ipv6_add_addr+0x411/0x2000 [ 8990.103422][T12167] inet6_addr_add+0x30e/0xa40 [ 8990.103422][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 8990.103422][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8990.103422][T12167] netlink_rcv_skb+0x130/0x360 [ 8990.103422][T12167] netlink_unicast+0x449/0x710 [ 8990.103422][T12167] netlink_sendmsg+0x723/0xbe0 [ 8990.103422][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8990.103422][T12167] ___sys_sendmsg+0xee/0x170 [ 8990.103422][T12167] __sys_sendmsg+0xcd/0x170 [ 8990.103422][T12167] do_syscall_64+0xc6/0x1e0 [ 8990.103422][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8990.103422][T12167] [ 8990.105883][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8990.105883][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 8990.105883][T12167] ipv6_find_idev+0x102/0x170 [ 8990.105883][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8990.105883][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8990.105883][T12167] netlink_rcv_skb+0x130/0x360 [ 8990.105883][T12167] netlink_unicast+0x449/0x710 [ 8990.105883][T12167] netlink_sendmsg+0x723/0xbe0 [ 8990.105883][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8990.105883][T12167] ___sys_sendmsg+0xee/0x170 [ 8990.105883][T12167] __sys_sendmsg+0xcd/0x170 [ 8990.105883][T12167] do_syscall_64+0xc6/0x1e0 [ 8990.105883][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8990.105883][T12167] [ 8990.107676][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 8990.107676][T12167] neigh_parms_alloc+0x1e5/0x510 [ 8990.107676][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 8990.107676][T12167] ipv6_find_idev+0x102/0x170 [ 8990.107676][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 8990.107676][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8990.107676][T12167] netlink_rcv_skb+0x130/0x360 [ 8990.107676][T12167] netlink_unicast+0x449/0x710 [ 8990.107676][T12167] netlink_sendmsg+0x723/0xbe0 [ 8990.107676][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 8990.107676][T12167] ___sys_sendmsg+0xee/0x170 [ 8990.107676][T12167] __sys_sendmsg+0xcd/0x170 [ 8990.107676][T12167] do_syscall_64+0xc6/0x1e0 [ 8990.107676][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8990.107676][T12167] [ 8990.614813][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 8990.615220][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 8990.615220][ T10] dst_init+0x84/0x4a0 [ 8990.615220][ T10] dst_alloc+0x97/0x150 [ 8990.615220][ T10] ip6_dst_alloc+0x23/0x90 [ 8990.615220][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8990.615220][ T10] ip6_pol_route+0x56f/0x840 [ 8990.615220][ T10] fib6_rule_lookup+0x334/0x630 [ 8990.615220][ T10] ip6_route_output_flags+0x259/0x480 [ 8990.615220][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8990.615220][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8990.615220][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 8990.615220][ T10] ____sys_sendmsg+0x772/0xa10 [ 8990.615220][ T10] ___sys_sendmsg+0xee/0x170 [ 8990.615220][ T10] __sys_sendmsg+0xcd/0x170 [ 8990.615220][ T10] do_syscall_64+0xc6/0x1e0 [ 8990.615220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8990.615220][ T10] [ 8990.617166][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8990.617166][ T10] dst_init+0x84/0x4a0 [ 8990.617166][ T10] dst_alloc+0x97/0x150 [ 8990.617166][ T10] ip6_dst_alloc+0x23/0x90 [ 8990.617166][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8990.617166][ T10] ip6_pol_route+0x56f/0x840 [ 8990.617166][ T10] fib6_rule_lookup+0x334/0x630 [ 8990.617166][ T10] ip6_route_output_flags+0x259/0x480 [ 8990.617166][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8990.617166][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8990.617166][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8990.617166][ T10] ping_v6_sendmsg+0x763/0x1150 [ 8990.617166][ T10] ____sys_sendmsg+0x772/0xa10 [ 8990.617166][ T10] ___sys_sendmsg+0xee/0x170 [ 8990.617166][ T10] __sys_sendmsg+0xcd/0x170 [ 8990.617166][ T10] do_syscall_64+0xc6/0x1e0 [ 8990.617166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8990.617166][ T10] [ 8990.619224][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8990.619224][ T10] dst_init+0x84/0x4a0 [ 8990.619224][ T10] dst_alloc+0x97/0x150 [ 8990.619224][ T10] ip6_dst_alloc+0x23/0x90 [ 8990.619224][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8990.619224][ T10] ip6_pol_route+0x56f/0x840 [ 8990.619224][ T10] fib6_rule_lookup+0x334/0x630 [ 8990.619224][ T10] ip6_route_output_flags+0x259/0x480 [ 8990.619224][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 8990.619224][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 8990.619224][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 8990.619224][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 8990.619224][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 8990.619224][ T10] ___sys_sendmsg+0xee/0x170 [ 8990.619224][ T10] __sys_sendmsg+0xcd/0x170 [ 8990.619224][ T10] do_syscall_64+0xc6/0x1e0 [ 8990.619224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8990.619224][ T10] [ 8990.621228][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8990.621228][ T10] netdev_get_by_index+0x5e/0x80 [ 8990.621228][ T10] fib6_nh_init+0x3d8/0x1580 [ 8990.621228][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8990.621228][ T10] ip6_route_add+0x1c/0x140 [ 8990.621228][ T10] addrconf_prefix_route+0x2a6/0x430 [ 8990.621228][ T10] inet6_addr_add+0x4f8/0xa40 [ 8990.621228][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8990.621228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8990.621228][ T10] netlink_rcv_skb+0x130/0x360 [ 8990.621228][ T10] netlink_unicast+0x449/0x710 [ 8990.621228][ T10] netlink_sendmsg+0x723/0xbe0 [ 8990.621228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8990.621228][ T10] ___sys_sendmsg+0xee/0x170 [ 8990.621228][ T10] __sys_sendmsg+0xcd/0x170 [ 8990.621228][ T10] do_syscall_64+0xc6/0x1e0 [ 8990.621228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8990.621228][ T10] [ 8990.623261][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8990.623261][ T10] netdev_get_by_index+0x5e/0x80 [ 8990.623261][ T10] fib6_nh_init+0x3d8/0x1580 [ 8990.623261][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8990.623261][ T10] addrconf_f6i_alloc+0x315/0x560 [ 8990.623261][ T10] ipv6_add_addr+0x411/0x2000 [ 8990.623261][ T10] inet6_addr_add+0x30e/0xa40 [ 8990.623261][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8990.623261][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8990.623261][ T10] netlink_rcv_skb+0x130/0x360 [ 8990.623261][ T10] netlink_unicast+0x449/0x710 [ 8990.623261][ T10] netlink_sendmsg+0x723/0xbe0 [ 8990.623261][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8990.623261][ T10] ___sys_sendmsg+0xee/0x170 [ 8990.623261][ T10] __sys_sendmsg+0xcd/0x170 [ 8990.623261][ T10] do_syscall_64+0xc6/0x1e0 [ 8990.623261][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8990.623261][ T10] [ 8990.625312][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8990.625312][ T10] netdev_get_by_index+0x5e/0x80 [ 8990.625312][ T10] fib6_nh_init+0x3d8/0x1580 [ 8990.625312][ T10] ip6_route_info_create+0xf18/0x17d0 [ 8990.625312][ T10] ip6_route_add+0x1c/0x140 [ 8990.625312][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 8990.625312][ T10] addrconf_add_dev+0xe2/0x170 [ 8990.625312][ T10] inet6_addr_add+0x12f/0xa40 [ 8990.625312][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 8990.625312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8990.625312][ T10] netlink_rcv_skb+0x130/0x360 [ 8990.625312][ T10] netlink_unicast+0x449/0x710 [ 8990.625312][ T10] netlink_sendmsg+0x723/0xbe0 [ 8990.625312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8990.625312][ T10] ___sys_sendmsg+0xee/0x170 [ 8990.625312][ T10] __sys_sendmsg+0xcd/0x170 [ 8990.625312][ T10] do_syscall_64+0xc6/0x1e0 [ 8990.625312][ T10] [ 8990.627292][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8990.627292][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 8990.627292][ T10] ipv6_find_idev+0x102/0x170 [ 8990.627292][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8990.627292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8990.627292][ T10] netlink_rcv_skb+0x130/0x360 [ 8990.627292][ T10] netlink_unicast+0x449/0x710 [ 8990.627292][ T10] netlink_sendmsg+0x723/0xbe0 [ 8990.627292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8990.627292][ T10] ___sys_sendmsg+0xee/0x170 [ 8990.627292][ T10] __sys_sendmsg+0xcd/0x170 [ 8990.627292][ T10] do_syscall_64+0xc6/0x1e0 [ 8990.627292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8990.627292][ T10] [ 8990.628851][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 8990.628851][ T10] neigh_parms_alloc+0x1e5/0x510 [ 8990.628851][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 8990.628851][ T10] ipv6_find_idev+0x102/0x170 [ 8990.628851][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 8990.628851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8990.628851][ T10] netlink_rcv_skb+0x130/0x360 [ 8990.628851][ T10] netlink_unicast+0x449/0x710 [ 8990.628851][ T10] netlink_sendmsg+0x723/0xbe0 [ 8990.628851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 8990.628851][ T10] ___sys_sendmsg+0xee/0x170 [ 8990.628851][ T10] __sys_sendmsg+0xcd/0x170 [ 8990.628851][ T10] do_syscall_64+0xc6/0x1e0 [ 8990.628851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8990.628851][ T10] [ 9000.350800][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9000.351311][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9000.351311][T12167] netdev_get_by_index+0x5e/0x80 [ 9000.351311][T12167] fib6_nh_init+0x3d8/0x1580 [ 9000.351311][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9000.351311][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9000.351311][T12167] ipv6_add_addr+0x411/0x2000 [ 9000.351311][T12167] inet6_addr_add+0x30e/0xa40 [ 9000.351311][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9000.351311][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9000.351311][T12167] netlink_rcv_skb+0x130/0x360 [ 9000.351311][T12167] netlink_unicast+0x449/0x710 [ 9000.351311][T12167] netlink_sendmsg+0x723/0xbe0 [ 9000.351311][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9000.351311][T12167] ___sys_sendmsg+0xee/0x170 [ 9000.351311][T12167] __sys_sendmsg+0xcd/0x170 [ 9000.351311][T12167] do_syscall_64+0xc6/0x1e0 [ 9000.351311][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9000.351311][T12167] [ 9000.353646][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9000.353646][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9000.353646][T12167] ipv6_find_idev+0x102/0x170 [ 9000.353646][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9000.353646][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9000.353646][T12167] netlink_rcv_skb+0x130/0x360 [ 9000.353646][T12167] netlink_unicast+0x449/0x710 [ 9000.353646][T12167] netlink_sendmsg+0x723/0xbe0 [ 9000.353646][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9000.353646][T12167] ___sys_sendmsg+0xee/0x170 [ 9000.353646][T12167] __sys_sendmsg+0xcd/0x170 [ 9000.353646][T12167] do_syscall_64+0xc6/0x1e0 [ 9000.353646][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9000.353646][T12167] [ 9000.355415][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9000.355415][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9000.355415][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9000.355415][T12167] ipv6_find_idev+0x102/0x170 [ 9000.355415][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9000.355415][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9000.355415][T12167] netlink_rcv_skb+0x130/0x360 [ 9000.355415][T12167] netlink_unicast+0x449/0x710 [ 9000.355415][T12167] netlink_sendmsg+0x723/0xbe0 [ 9000.355415][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9000.355415][T12167] ___sys_sendmsg+0xee/0x170 [ 9000.355415][T12167] __sys_sendmsg+0xcd/0x170 [ 9000.355415][T12167] do_syscall_64+0xc6/0x1e0 [ 9000.355415][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9000.355415][T12167] [ 9000.878847][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9000.879250][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9000.879250][ T10] dst_init+0x84/0x4a0 [ 9000.879250][ T10] dst_alloc+0x97/0x150 [ 9000.879250][ T10] ip6_dst_alloc+0x23/0x90 [ 9000.879250][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9000.879250][ T10] ip6_pol_route+0x56f/0x840 [ 9000.879250][ T10] fib6_rule_lookup+0x334/0x630 [ 9000.879250][ T10] ip6_route_output_flags+0x259/0x480 [ 9000.879250][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9000.879250][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9000.879250][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9000.879250][ T10] ____sys_sendmsg+0x772/0xa10 [ 9000.879250][ T10] ___sys_sendmsg+0xee/0x170 [ 9000.879250][ T10] __sys_sendmsg+0xcd/0x170 [ 9000.879250][ T10] do_syscall_64+0xc6/0x1e0 [ 9000.879250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9000.879250][ T10] [ 9000.881160][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9000.881160][ T10] dst_init+0x84/0x4a0 [ 9000.881160][ T10] dst_alloc+0x97/0x150 [ 9000.881160][ T10] ip6_dst_alloc+0x23/0x90 [ 9000.881160][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9000.881160][ T10] ip6_pol_route+0x56f/0x840 [ 9000.881160][ T10] fib6_rule_lookup+0x334/0x630 [ 9000.881160][ T10] ip6_route_output_flags+0x259/0x480 [ 9000.881160][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9000.881160][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9000.881160][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9000.881160][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9000.881160][ T10] ____sys_sendmsg+0x772/0xa10 [ 9000.881160][ T10] ___sys_sendmsg+0xee/0x170 [ 9000.881160][ T10] __sys_sendmsg+0xcd/0x170 [ 9000.881160][ T10] do_syscall_64+0xc6/0x1e0 [ 9000.881160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9000.881160][ T10] [ 9000.883163][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9000.883163][ T10] dst_init+0x84/0x4a0 [ 9000.883163][ T10] dst_alloc+0x97/0x150 [ 9000.883163][ T10] ip6_dst_alloc+0x23/0x90 [ 9000.883163][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9000.883163][ T10] ip6_pol_route+0x56f/0x840 [ 9000.883163][ T10] fib6_rule_lookup+0x334/0x630 [ 9000.883163][ T10] ip6_route_output_flags+0x259/0x480 [ 9000.883163][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9000.883163][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9000.883163][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9000.883163][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9000.883163][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9000.883163][ T10] ___sys_sendmsg+0xee/0x170 [ 9000.883163][ T10] __sys_sendmsg+0xcd/0x170 [ 9000.883163][ T10] do_syscall_64+0xc6/0x1e0 [ 9000.883163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9000.883163][ T10] [ 9000.885195][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9000.885195][ T10] netdev_get_by_index+0x5e/0x80 [ 9000.885195][ T10] fib6_nh_init+0x3d8/0x1580 [ 9000.885195][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9000.885195][ T10] ip6_route_add+0x1c/0x140 [ 9000.885195][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9000.885195][ T10] inet6_addr_add+0x4f8/0xa40 [ 9000.885195][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9000.885195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9000.885195][ T10] netlink_rcv_skb+0x130/0x360 [ 9000.885195][ T10] netlink_unicast+0x449/0x710 [ 9000.885195][ T10] netlink_sendmsg+0x723/0xbe0 [ 9000.885195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9000.885195][ T10] ___sys_sendmsg+0xee/0x170 [ 9000.885195][ T10] __sys_sendmsg+0xcd/0x170 [ 9000.885195][ T10] do_syscall_64+0xc6/0x1e0 [ 9000.885195][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9000.885195][ T10] [ 9000.887313][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9000.887313][ T10] netdev_get_by_index+0x5e/0x80 [ 9000.887313][ T10] fib6_nh_init+0x3d8/0x1580 [ 9000.887313][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9000.887313][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9000.887313][ T10] ipv6_add_addr+0x411/0x2000 [ 9000.887313][ T10] inet6_addr_add+0x30e/0xa40 [ 9000.887313][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9000.887313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9000.887313][ T10] netlink_rcv_skb+0x130/0x360 [ 9000.887313][ T10] netlink_unicast+0x449/0x710 [ 9000.887313][ T10] netlink_sendmsg+0x723/0xbe0 [ 9000.887313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9000.887313][ T10] ___sys_sendmsg+0xee/0x170 [ 9000.887313][ T10] __sys_sendmsg+0xcd/0x170 [ 9000.887313][ T10] do_syscall_64+0xc6/0x1e0 [ 9000.887313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9000.887313][ T10] [ 9000.889325][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9000.889325][ T10] netdev_get_by_index+0x5e/0x80 [ 9000.889325][ T10] fib6_nh_init+0x3d8/0x1580 [ 9000.889325][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9000.889325][ T10] ip6_route_add+0x1c/0x140 [ 9000.889325][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9000.889325][ T10] addrconf_add_dev+0xe2/0x170 [ 9000.889325][ T10] inet6_addr_add+0x12f/0xa40 [ 9000.889325][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9000.889325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9000.889325][ T10] netlink_rcv_skb+0x130/0x360 [ 9000.889325][ T10] netlink_unicast+0x449/0x710 [ 9000.889325][ T10] netlink_sendmsg+0x723/0xbe0 [ 9000.889325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9000.889325][ T10] ___sys_sendmsg+0xee/0x170 [ 9000.889325][ T10] __sys_sendmsg+0xcd/0x170 [ 9000.889325][ T10] do_syscall_64+0xc6/0x1e0 [ 9000.889325][ T10] [ 9000.891302][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9000.891302][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9000.891302][ T10] ipv6_find_idev+0x102/0x170 [ 9000.891302][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9000.891302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9000.891302][ T10] netlink_rcv_skb+0x130/0x360 [ 9000.891302][ T10] netlink_unicast+0x449/0x710 [ 9000.891302][ T10] netlink_sendmsg+0x723/0xbe0 [ 9000.891302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9000.891302][ T10] ___sys_sendmsg+0xee/0x170 [ 9000.891302][ T10] __sys_sendmsg+0xcd/0x170 [ 9000.891302][ T10] do_syscall_64+0xc6/0x1e0 [ 9000.891302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9000.891302][ T10] [ 9000.892840][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9000.892840][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9000.892840][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9000.892840][ T10] ipv6_find_idev+0x102/0x170 [ 9000.892840][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9000.892840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9000.892840][ T10] netlink_rcv_skb+0x130/0x360 [ 9000.892840][ T10] netlink_unicast+0x449/0x710 [ 9000.892840][ T10] netlink_sendmsg+0x723/0xbe0 [ 9000.892840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9000.892840][ T10] ___sys_sendmsg+0xee/0x170 [ 9000.892840][ T10] __sys_sendmsg+0xcd/0x170 [ 9000.892840][ T10] do_syscall_64+0xc6/0x1e0 [ 9000.892840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9000.892840][ T10] [ 9010.606813][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9010.607295][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9010.607295][T12167] netdev_get_by_index+0x5e/0x80 [ 9010.607295][T12167] fib6_nh_init+0x3d8/0x1580 [ 9010.607295][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9010.607295][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9010.607295][T12167] ipv6_add_addr+0x411/0x2000 [ 9010.607295][T12167] inet6_addr_add+0x30e/0xa40 [ 9010.607295][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9010.607295][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9010.607295][T12167] netlink_rcv_skb+0x130/0x360 [ 9010.607295][T12167] netlink_unicast+0x449/0x710 [ 9010.607295][T12167] netlink_sendmsg+0x723/0xbe0 [ 9010.607295][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9010.607295][T12167] ___sys_sendmsg+0xee/0x170 [ 9010.607295][T12167] __sys_sendmsg+0xcd/0x170 [ 9010.607295][T12167] do_syscall_64+0xc6/0x1e0 [ 9010.607295][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9010.607295][T12167] [ 9010.609606][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9010.609606][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9010.609606][T12167] ipv6_find_idev+0x102/0x170 [ 9010.609606][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9010.609606][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9010.609606][T12167] netlink_rcv_skb+0x130/0x360 [ 9010.609606][T12167] netlink_unicast+0x449/0x710 [ 9010.609606][T12167] netlink_sendmsg+0x723/0xbe0 [ 9010.609606][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9010.609606][T12167] ___sys_sendmsg+0xee/0x170 [ 9010.609606][T12167] __sys_sendmsg+0xcd/0x170 [ 9010.609606][T12167] do_syscall_64+0xc6/0x1e0 [ 9010.609606][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9010.609606][T12167] [ 9010.611368][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9010.611368][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9010.611368][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9010.611368][T12167] ipv6_find_idev+0x102/0x170 [ 9010.611368][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9010.611368][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9010.611368][T12167] netlink_rcv_skb+0x130/0x360 [ 9010.611368][T12167] netlink_unicast+0x449/0x710 [ 9010.611368][T12167] netlink_sendmsg+0x723/0xbe0 [ 9010.611368][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9010.611368][T12167] ___sys_sendmsg+0xee/0x170 [ 9010.611368][T12167] __sys_sendmsg+0xcd/0x170 [ 9010.611368][T12167] do_syscall_64+0xc6/0x1e0 [ 9010.611368][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9010.611368][T12167] [ 9011.142828][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9011.143180][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9011.143180][ T10] dst_init+0x84/0x4a0 [ 9011.143180][ T10] dst_alloc+0x97/0x150 [ 9011.143180][ T10] ip6_dst_alloc+0x23/0x90 [ 9011.143180][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9011.143180][ T10] ip6_pol_route+0x56f/0x840 [ 9011.143180][ T10] fib6_rule_lookup+0x334/0x630 [ 9011.143180][ T10] ip6_route_output_flags+0x259/0x480 [ 9011.143180][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9011.143180][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9011.143180][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9011.143180][ T10] ____sys_sendmsg+0x772/0xa10 [ 9011.143180][ T10] ___sys_sendmsg+0xee/0x170 [ 9011.143180][ T10] __sys_sendmsg+0xcd/0x170 [ 9011.143180][ T10] do_syscall_64+0xc6/0x1e0 [ 9011.143180][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9011.143180][ T10] [ 9011.145096][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9011.145096][ T10] dst_init+0x84/0x4a0 [ 9011.145096][ T10] dst_alloc+0x97/0x150 [ 9011.145096][ T10] ip6_dst_alloc+0x23/0x90 [ 9011.145096][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9011.145096][ T10] ip6_pol_route+0x56f/0x840 [ 9011.145096][ T10] fib6_rule_lookup+0x334/0x630 [ 9011.145096][ T10] ip6_route_output_flags+0x259/0x480 [ 9011.145096][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9011.145096][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9011.145096][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9011.145096][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9011.145096][ T10] ____sys_sendmsg+0x772/0xa10 [ 9011.145096][ T10] ___sys_sendmsg+0xee/0x170 [ 9011.145096][ T10] __sys_sendmsg+0xcd/0x170 [ 9011.145096][ T10] do_syscall_64+0xc6/0x1e0 [ 9011.145096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9011.145096][ T10] [ 9011.147104][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9011.147104][ T10] dst_init+0x84/0x4a0 [ 9011.147104][ T10] dst_alloc+0x97/0x150 [ 9011.147104][ T10] ip6_dst_alloc+0x23/0x90 [ 9011.147104][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9011.147104][ T10] ip6_pol_route+0x56f/0x840 [ 9011.147104][ T10] fib6_rule_lookup+0x334/0x630 [ 9011.147104][ T10] ip6_route_output_flags+0x259/0x480 [ 9011.147104][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9011.147104][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9011.147104][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9011.147104][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9011.147104][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9011.147104][ T10] ___sys_sendmsg+0xee/0x170 [ 9011.147104][ T10] __sys_sendmsg+0xcd/0x170 [ 9011.147104][ T10] do_syscall_64+0xc6/0x1e0 [ 9011.147104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9011.147104][ T10] [ 9011.149107][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9011.149107][ T10] netdev_get_by_index+0x5e/0x80 [ 9011.149107][ T10] fib6_nh_init+0x3d8/0x1580 [ 9011.149107][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9011.149107][ T10] ip6_route_add+0x1c/0x140 [ 9011.149107][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9011.149107][ T10] inet6_addr_add+0x4f8/0xa40 [ 9011.149107][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9011.149107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9011.149107][ T10] netlink_rcv_skb+0x130/0x360 [ 9011.149107][ T10] netlink_unicast+0x449/0x710 [ 9011.149107][ T10] netlink_sendmsg+0x723/0xbe0 [ 9011.149107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9011.149107][ T10] ___sys_sendmsg+0xee/0x170 [ 9011.149107][ T10] __sys_sendmsg+0xcd/0x170 [ 9011.149107][ T10] do_syscall_64+0xc6/0x1e0 [ 9011.149107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9011.149107][ T10] [ 9011.151116][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9011.151116][ T10] netdev_get_by_index+0x5e/0x80 [ 9011.151116][ T10] fib6_nh_init+0x3d8/0x1580 [ 9011.151116][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9011.151116][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9011.151116][ T10] ipv6_add_addr+0x411/0x2000 [ 9011.151116][ T10] inet6_addr_add+0x30e/0xa40 [ 9011.151116][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9011.151116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9011.151116][ T10] netlink_rcv_skb+0x130/0x360 [ 9011.151116][ T10] netlink_unicast+0x449/0x710 [ 9011.151116][ T10] netlink_sendmsg+0x723/0xbe0 [ 9011.151116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9011.151116][ T10] ___sys_sendmsg+0xee/0x170 [ 9011.151116][ T10] __sys_sendmsg+0xcd/0x170 [ 9011.151116][ T10] do_syscall_64+0xc6/0x1e0 [ 9011.151116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9011.151116][ T10] [ 9011.153117][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9011.153117][ T10] netdev_get_by_index+0x5e/0x80 [ 9011.153117][ T10] fib6_nh_init+0x3d8/0x1580 [ 9011.153117][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9011.153117][ T10] ip6_route_add+0x1c/0x140 [ 9011.153117][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9011.153117][ T10] addrconf_add_dev+0xe2/0x170 [ 9011.153117][ T10] inet6_addr_add+0x12f/0xa40 [ 9011.153117][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9011.153117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9011.153117][ T10] netlink_rcv_skb+0x130/0x360 [ 9011.153117][ T10] netlink_unicast+0x449/0x710 [ 9011.153117][ T10] netlink_sendmsg+0x723/0xbe0 [ 9011.153117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9011.153117][ T10] ___sys_sendmsg+0xee/0x170 [ 9011.153117][ T10] __sys_sendmsg+0xcd/0x170 [ 9011.153117][ T10] do_syscall_64+0xc6/0x1e0 [ 9011.153117][ T10] [ 9011.155102][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9011.155102][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9011.155102][ T10] ipv6_find_idev+0x102/0x170 [ 9011.155102][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9011.155102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9011.155102][ T10] netlink_rcv_skb+0x130/0x360 [ 9011.155102][ T10] netlink_unicast+0x449/0x710 [ 9011.155102][ T10] netlink_sendmsg+0x723/0xbe0 [ 9011.155102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9011.155102][ T10] ___sys_sendmsg+0xee/0x170 [ 9011.155102][ T10] __sys_sendmsg+0xcd/0x170 [ 9011.155102][ T10] do_syscall_64+0xc6/0x1e0 [ 9011.155102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9011.155102][ T10] [ 9011.156646][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9011.156646][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9011.156646][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9011.156646][ T10] ipv6_find_idev+0x102/0x170 [ 9011.156646][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9011.156646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9011.156646][ T10] netlink_rcv_skb+0x130/0x360 [ 9011.156646][ T10] netlink_unicast+0x449/0x710 [ 9011.156646][ T10] netlink_sendmsg+0x723/0xbe0 [ 9011.156646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9011.156646][ T10] ___sys_sendmsg+0xee/0x170 [ 9011.156646][ T10] __sys_sendmsg+0xcd/0x170 [ 9011.156646][ T10] do_syscall_64+0xc6/0x1e0 [ 9011.156646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9011.156646][ T10] [ 9020.862824][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9020.863322][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9020.863322][T12167] netdev_get_by_index+0x5e/0x80 [ 9020.863322][T12167] fib6_nh_init+0x3d8/0x1580 [ 9020.863322][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9020.863322][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9020.863322][T12167] ipv6_add_addr+0x411/0x2000 [ 9020.863322][T12167] inet6_addr_add+0x30e/0xa40 [ 9020.863322][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9020.863322][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9020.863322][T12167] netlink_rcv_skb+0x130/0x360 [ 9020.863322][T12167] netlink_unicast+0x449/0x710 [ 9020.863322][T12167] netlink_sendmsg+0x723/0xbe0 [ 9020.863322][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9020.863322][T12167] ___sys_sendmsg+0xee/0x170 [ 9020.863322][T12167] __sys_sendmsg+0xcd/0x170 [ 9020.863322][T12167] do_syscall_64+0xc6/0x1e0 [ 9020.863322][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9020.863322][T12167] [ 9020.865605][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9020.865605][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9020.865605][T12167] ipv6_find_idev+0x102/0x170 [ 9020.865605][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9020.865605][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9020.865605][T12167] netlink_rcv_skb+0x130/0x360 [ 9020.865605][T12167] netlink_unicast+0x449/0x710 [ 9020.865605][T12167] netlink_sendmsg+0x723/0xbe0 [ 9020.865605][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9020.865605][T12167] ___sys_sendmsg+0xee/0x170 [ 9020.865605][T12167] __sys_sendmsg+0xcd/0x170 [ 9020.865605][T12167] do_syscall_64+0xc6/0x1e0 [ 9020.865605][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9020.865605][T12167] [ 9020.867355][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9020.867355][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9020.867355][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9020.867355][T12167] ipv6_find_idev+0x102/0x170 [ 9020.867355][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9020.867355][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9020.867355][T12167] netlink_rcv_skb+0x130/0x360 [ 9020.867355][T12167] netlink_unicast+0x449/0x710 [ 9020.867355][T12167] netlink_sendmsg+0x723/0xbe0 [ 9020.867355][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9020.867355][T12167] ___sys_sendmsg+0xee/0x170 [ 9020.867355][T12167] __sys_sendmsg+0xcd/0x170 [ 9020.867355][T12167] do_syscall_64+0xc6/0x1e0 [ 9020.867355][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9020.867355][T12167] [ 9021.406800][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9021.407197][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9021.407197][ T10] dst_init+0x84/0x4a0 [ 9021.407197][ T10] dst_alloc+0x97/0x150 [ 9021.407197][ T10] ip6_dst_alloc+0x23/0x90 [ 9021.407197][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9021.407197][ T10] ip6_pol_route+0x56f/0x840 [ 9021.407197][ T10] fib6_rule_lookup+0x334/0x630 [ 9021.407197][ T10] ip6_route_output_flags+0x259/0x480 [ 9021.407197][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9021.407197][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9021.407197][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9021.407197][ T10] ____sys_sendmsg+0x772/0xa10 [ 9021.407197][ T10] ___sys_sendmsg+0xee/0x170 [ 9021.407197][ T10] __sys_sendmsg+0xcd/0x170 [ 9021.407197][ T10] do_syscall_64+0xc6/0x1e0 [ 9021.407197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9021.407197][ T10] [ 9021.409114][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9021.409114][ T10] dst_init+0x84/0x4a0 [ 9021.409114][ T10] dst_alloc+0x97/0x150 [ 9021.409114][ T10] ip6_dst_alloc+0x23/0x90 [ 9021.409114][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9021.409114][ T10] ip6_pol_route+0x56f/0x840 [ 9021.409114][ T10] fib6_rule_lookup+0x334/0x630 [ 9021.409114][ T10] ip6_route_output_flags+0x259/0x480 [ 9021.409114][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9021.409114][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9021.409114][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9021.409114][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9021.409114][ T10] ____sys_sendmsg+0x772/0xa10 [ 9021.409114][ T10] ___sys_sendmsg+0xee/0x170 [ 9021.409114][ T10] __sys_sendmsg+0xcd/0x170 [ 9021.409114][ T10] do_syscall_64+0xc6/0x1e0 [ 9021.409114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9021.409114][ T10] [ 9021.411121][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9021.411121][ T10] dst_init+0x84/0x4a0 [ 9021.411121][ T10] dst_alloc+0x97/0x150 [ 9021.411121][ T10] ip6_dst_alloc+0x23/0x90 [ 9021.411121][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9021.411121][ T10] ip6_pol_route+0x56f/0x840 [ 9021.411121][ T10] fib6_rule_lookup+0x334/0x630 [ 9021.411121][ T10] ip6_route_output_flags+0x259/0x480 [ 9021.411121][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9021.411121][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9021.411121][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9021.411121][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9021.411121][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9021.411121][ T10] ___sys_sendmsg+0xee/0x170 [ 9021.411121][ T10] __sys_sendmsg+0xcd/0x170 [ 9021.411121][ T10] do_syscall_64+0xc6/0x1e0 [ 9021.411121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9021.411121][ T10] [ 9021.413122][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9021.413122][ T10] netdev_get_by_index+0x5e/0x80 [ 9021.413122][ T10] fib6_nh_init+0x3d8/0x1580 [ 9021.413122][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9021.413122][ T10] ip6_route_add+0x1c/0x140 [ 9021.413122][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9021.413122][ T10] inet6_addr_add+0x4f8/0xa40 [ 9021.413122][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9021.413122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9021.413122][ T10] netlink_rcv_skb+0x130/0x360 [ 9021.413122][ T10] netlink_unicast+0x449/0x710 [ 9021.413122][ T10] netlink_sendmsg+0x723/0xbe0 [ 9021.413122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9021.413122][ T10] ___sys_sendmsg+0xee/0x170 [ 9021.413122][ T10] __sys_sendmsg+0xcd/0x170 [ 9021.413122][ T10] do_syscall_64+0xc6/0x1e0 [ 9021.413122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9021.413122][ T10] [ 9021.415139][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9021.415139][ T10] netdev_get_by_index+0x5e/0x80 [ 9021.415139][ T10] fib6_nh_init+0x3d8/0x1580 [ 9021.415139][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9021.415139][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9021.415139][ T10] ipv6_add_addr+0x411/0x2000 [ 9021.415139][ T10] inet6_addr_add+0x30e/0xa40 [ 9021.415139][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9021.415139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9021.415139][ T10] netlink_rcv_skb+0x130/0x360 [ 9021.415139][ T10] netlink_unicast+0x449/0x710 [ 9021.415139][ T10] netlink_sendmsg+0x723/0xbe0 [ 9021.415139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9021.415139][ T10] ___sys_sendmsg+0xee/0x170 [ 9021.415139][ T10] __sys_sendmsg+0xcd/0x170 [ 9021.415139][ T10] do_syscall_64+0xc6/0x1e0 [ 9021.415139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9021.415139][ T10] [ 9021.417133][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9021.417133][ T10] netdev_get_by_index+0x5e/0x80 [ 9021.417133][ T10] fib6_nh_init+0x3d8/0x1580 [ 9021.417133][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9021.417133][ T10] ip6_route_add+0x1c/0x140 [ 9021.417133][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9021.417133][ T10] addrconf_add_dev+0xe2/0x170 [ 9021.417133][ T10] inet6_addr_add+0x12f/0xa40 [ 9021.417133][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9021.417133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9021.417133][ T10] netlink_rcv_skb+0x130/0x360 [ 9021.417133][ T10] netlink_unicast+0x449/0x710 [ 9021.417133][ T10] netlink_sendmsg+0x723/0xbe0 [ 9021.417133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9021.417133][ T10] ___sys_sendmsg+0xee/0x170 [ 9021.417133][ T10] __sys_sendmsg+0xcd/0x170 [ 9021.417133][ T10] do_syscall_64+0xc6/0x1e0 [ 9021.417133][ T10] [ 9021.419100][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9021.419100][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9021.419100][ T10] ipv6_find_idev+0x102/0x170 [ 9021.419100][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9021.419100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9021.419100][ T10] netlink_rcv_skb+0x130/0x360 [ 9021.419100][ T10] netlink_unicast+0x449/0x710 [ 9021.419100][ T10] netlink_sendmsg+0x723/0xbe0 [ 9021.419100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9021.419100][ T10] ___sys_sendmsg+0xee/0x170 [ 9021.419100][ T10] __sys_sendmsg+0xcd/0x170 [ 9021.419100][ T10] do_syscall_64+0xc6/0x1e0 [ 9021.419100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9021.419100][ T10] [ 9021.420761][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9021.420761][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9021.420761][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9021.420761][ T10] ipv6_find_idev+0x102/0x170 [ 9021.420761][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9021.420761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9021.420761][ T10] netlink_rcv_skb+0x130/0x360 [ 9021.420761][ T10] netlink_unicast+0x449/0x710 [ 9021.420761][ T10] netlink_sendmsg+0x723/0xbe0 [ 9021.420761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9021.420761][ T10] ___sys_sendmsg+0xee/0x170 [ 9021.420761][ T10] __sys_sendmsg+0xcd/0x170 [ 9021.420761][ T10] do_syscall_64+0xc6/0x1e0 [ 9021.420761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9021.420761][ T10] [ 9031.118851][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9031.119293][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9031.119293][T12167] netdev_get_by_index+0x5e/0x80 [ 9031.119293][T12167] fib6_nh_init+0x3d8/0x1580 [ 9031.119293][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9031.119293][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9031.119293][T12167] ipv6_add_addr+0x411/0x2000 [ 9031.119293][T12167] inet6_addr_add+0x30e/0xa40 [ 9031.119293][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9031.119293][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9031.119293][T12167] netlink_rcv_skb+0x130/0x360 [ 9031.119293][T12167] netlink_unicast+0x449/0x710 [ 9031.119293][T12167] netlink_sendmsg+0x723/0xbe0 [ 9031.119293][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9031.119293][T12167] ___sys_sendmsg+0xee/0x170 [ 9031.119293][T12167] __sys_sendmsg+0xcd/0x170 [ 9031.119293][T12167] do_syscall_64+0xc6/0x1e0 [ 9031.119293][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9031.119293][T12167] [ 9031.121581][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9031.121581][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9031.121581][T12167] ipv6_find_idev+0x102/0x170 [ 9031.121581][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9031.121581][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9031.121581][T12167] netlink_rcv_skb+0x130/0x360 [ 9031.121581][T12167] netlink_unicast+0x449/0x710 [ 9031.121581][T12167] netlink_sendmsg+0x723/0xbe0 [ 9031.121581][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9031.121581][T12167] ___sys_sendmsg+0xee/0x170 [ 9031.121581][T12167] __sys_sendmsg+0xcd/0x170 [ 9031.121581][T12167] do_syscall_64+0xc6/0x1e0 [ 9031.121581][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9031.121581][T12167] [ 9031.123350][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9031.123350][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9031.123350][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9031.123350][T12167] ipv6_find_idev+0x102/0x170 [ 9031.123350][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9031.123350][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9031.123350][T12167] netlink_rcv_skb+0x130/0x360 [ 9031.123350][T12167] netlink_unicast+0x449/0x710 [ 9031.123350][T12167] netlink_sendmsg+0x723/0xbe0 [ 9031.123350][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9031.123350][T12167] ___sys_sendmsg+0xee/0x170 [ 9031.123350][T12167] __sys_sendmsg+0xcd/0x170 [ 9031.123350][T12167] do_syscall_64+0xc6/0x1e0 [ 9031.123350][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9031.123350][T12167] [ 9031.670715][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9031.671160][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9031.671160][ T10] dst_init+0x84/0x4a0 [ 9031.671160][ T10] dst_alloc+0x97/0x150 [ 9031.671160][ T10] ip6_dst_alloc+0x23/0x90 [ 9031.671160][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9031.671160][ T10] ip6_pol_route+0x56f/0x840 [ 9031.671160][ T10] fib6_rule_lookup+0x334/0x630 [ 9031.671160][ T10] ip6_route_output_flags+0x259/0x480 [ 9031.671160][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9031.671160][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9031.671160][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9031.671160][ T10] ____sys_sendmsg+0x772/0xa10 [ 9031.671160][ T10] ___sys_sendmsg+0xee/0x170 [ 9031.671160][ T10] __sys_sendmsg+0xcd/0x170 [ 9031.671160][ T10] do_syscall_64+0xc6/0x1e0 [ 9031.671160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9031.671160][ T10] [ 9031.673065][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9031.673065][ T10] dst_init+0x84/0x4a0 [ 9031.673065][ T10] dst_alloc+0x97/0x150 [ 9031.673065][ T10] ip6_dst_alloc+0x23/0x90 [ 9031.673065][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9031.673065][ T10] ip6_pol_route+0x56f/0x840 [ 9031.673065][ T10] fib6_rule_lookup+0x334/0x630 [ 9031.673065][ T10] ip6_route_output_flags+0x259/0x480 [ 9031.673065][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9031.673065][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9031.673065][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9031.673065][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9031.673065][ T10] ____sys_sendmsg+0x772/0xa10 [ 9031.673065][ T10] ___sys_sendmsg+0xee/0x170 [ 9031.673065][ T10] __sys_sendmsg+0xcd/0x170 [ 9031.673065][ T10] do_syscall_64+0xc6/0x1e0 [ 9031.673065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9031.673065][ T10] [ 9031.675098][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9031.675098][ T10] dst_init+0x84/0x4a0 [ 9031.675098][ T10] dst_alloc+0x97/0x150 [ 9031.675098][ T10] ip6_dst_alloc+0x23/0x90 [ 9031.675098][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9031.675098][ T10] ip6_pol_route+0x56f/0x840 [ 9031.675098][ T10] fib6_rule_lookup+0x334/0x630 [ 9031.675098][ T10] ip6_route_output_flags+0x259/0x480 [ 9031.675098][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9031.675098][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9031.675098][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9031.675098][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9031.675098][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9031.675098][ T10] ___sys_sendmsg+0xee/0x170 [ 9031.675098][ T10] __sys_sendmsg+0xcd/0x170 [ 9031.675098][ T10] do_syscall_64+0xc6/0x1e0 [ 9031.675098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9031.675098][ T10] [ 9031.677127][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9031.677127][ T10] netdev_get_by_index+0x5e/0x80 [ 9031.677127][ T10] fib6_nh_init+0x3d8/0x1580 [ 9031.677127][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9031.677127][ T10] ip6_route_add+0x1c/0x140 [ 9031.677127][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9031.677127][ T10] inet6_addr_add+0x4f8/0xa40 [ 9031.677127][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9031.677127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9031.677127][ T10] netlink_rcv_skb+0x130/0x360 [ 9031.677127][ T10] netlink_unicast+0x449/0x710 [ 9031.677127][ T10] netlink_sendmsg+0x723/0xbe0 [ 9031.677127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9031.677127][ T10] ___sys_sendmsg+0xee/0x170 [ 9031.677127][ T10] __sys_sendmsg+0xcd/0x170 [ 9031.677127][ T10] do_syscall_64+0xc6/0x1e0 [ 9031.677127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9031.677127][ T10] [ 9031.679165][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9031.679165][ T10] netdev_get_by_index+0x5e/0x80 [ 9031.679165][ T10] fib6_nh_init+0x3d8/0x1580 [ 9031.679165][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9031.679165][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9031.679165][ T10] ipv6_add_addr+0x411/0x2000 [ 9031.679165][ T10] inet6_addr_add+0x30e/0xa40 [ 9031.679165][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9031.679165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9031.679165][ T10] netlink_rcv_skb+0x130/0x360 [ 9031.679165][ T10] netlink_unicast+0x449/0x710 [ 9031.679165][ T10] netlink_sendmsg+0x723/0xbe0 [ 9031.679165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9031.679165][ T10] ___sys_sendmsg+0xee/0x170 [ 9031.679165][ T10] __sys_sendmsg+0xcd/0x170 [ 9031.679165][ T10] do_syscall_64+0xc6/0x1e0 [ 9031.679165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9031.679165][ T10] [ 9031.681195][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9031.681195][ T10] netdev_get_by_index+0x5e/0x80 [ 9031.681195][ T10] fib6_nh_init+0x3d8/0x1580 [ 9031.681195][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9031.681195][ T10] ip6_route_add+0x1c/0x140 [ 9031.681195][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9031.681195][ T10] addrconf_add_dev+0xe2/0x170 [ 9031.681195][ T10] inet6_addr_add+0x12f/0xa40 [ 9031.681195][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9031.681195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9031.681195][ T10] netlink_rcv_skb+0x130/0x360 [ 9031.681195][ T10] netlink_unicast+0x449/0x710 [ 9031.681195][ T10] netlink_sendmsg+0x723/0xbe0 [ 9031.681195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9031.681195][ T10] ___sys_sendmsg+0xee/0x170 [ 9031.681195][ T10] __sys_sendmsg+0xcd/0x170 [ 9031.681195][ T10] do_syscall_64+0xc6/0x1e0 [ 9031.681195][ T10] [ 9031.683198][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9031.683198][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9031.683198][ T10] ipv6_find_idev+0x102/0x170 [ 9031.683198][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9031.683198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9031.683198][ T10] netlink_rcv_skb+0x130/0x360 [ 9031.683198][ T10] netlink_unicast+0x449/0x710 [ 9031.683198][ T10] netlink_sendmsg+0x723/0xbe0 [ 9031.683198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9031.683198][ T10] ___sys_sendmsg+0xee/0x170 [ 9031.683198][ T10] __sys_sendmsg+0xcd/0x170 [ 9031.683198][ T10] do_syscall_64+0xc6/0x1e0 [ 9031.683198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9031.683198][ T10] [ 9031.684757][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9031.684757][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9031.684757][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9031.684757][ T10] ipv6_find_idev+0x102/0x170 [ 9031.684757][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9031.684757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9031.684757][ T10] netlink_rcv_skb+0x130/0x360 [ 9031.684757][ T10] netlink_unicast+0x449/0x710 [ 9031.684757][ T10] netlink_sendmsg+0x723/0xbe0 [ 9031.684757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9031.684757][ T10] ___sys_sendmsg+0xee/0x170 [ 9031.684757][ T10] __sys_sendmsg+0xcd/0x170 [ 9031.684757][ T10] do_syscall_64+0xc6/0x1e0 [ 9031.684757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9031.684757][ T10] [ 9041.158796][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9041.159293][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9041.159293][T12167] netdev_get_by_index+0x5e/0x80 [ 9041.159293][T12167] fib6_nh_init+0x3d8/0x1580 [ 9041.159293][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9041.159293][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9041.159293][T12167] ipv6_add_addr+0x411/0x2000 [ 9041.159293][T12167] inet6_addr_add+0x30e/0xa40 [ 9041.159293][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9041.159293][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9041.159293][T12167] netlink_rcv_skb+0x130/0x360 [ 9041.159293][T12167] netlink_unicast+0x449/0x710 [ 9041.159293][T12167] netlink_sendmsg+0x723/0xbe0 [ 9041.159293][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9041.159293][T12167] ___sys_sendmsg+0xee/0x170 [ 9041.159293][T12167] __sys_sendmsg+0xcd/0x170 [ 9041.159293][T12167] do_syscall_64+0xc6/0x1e0 [ 9041.159293][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9041.159293][T12167] [ 9041.161616][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9041.161616][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9041.161616][T12167] ipv6_find_idev+0x102/0x170 [ 9041.161616][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9041.161616][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9041.161616][T12167] netlink_rcv_skb+0x130/0x360 [ 9041.161616][T12167] netlink_unicast+0x449/0x710 [ 9041.161616][T12167] netlink_sendmsg+0x723/0xbe0 [ 9041.161616][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9041.161616][T12167] ___sys_sendmsg+0xee/0x170 [ 9041.161616][T12167] __sys_sendmsg+0xcd/0x170 [ 9041.161616][T12167] do_syscall_64+0xc6/0x1e0 [ 9041.161616][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9041.161616][T12167] [ 9041.163382][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9041.163382][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9041.163382][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9041.163382][T12167] ipv6_find_idev+0x102/0x170 [ 9041.163382][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9041.163382][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9041.163382][T12167] netlink_rcv_skb+0x130/0x360 [ 9041.163382][T12167] netlink_unicast+0x449/0x710 [ 9041.163382][T12167] netlink_sendmsg+0x723/0xbe0 [ 9041.163382][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9041.163382][T12167] ___sys_sendmsg+0xee/0x170 [ 9041.163382][T12167] __sys_sendmsg+0xcd/0x170 [ 9041.163382][T12167] do_syscall_64+0xc6/0x1e0 [ 9041.163382][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9041.163382][T12167] [ 9041.694803][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9041.695209][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9041.695209][ T10] dst_init+0x84/0x4a0 [ 9041.695209][ T10] dst_alloc+0x97/0x150 [ 9041.695209][ T10] ip6_dst_alloc+0x23/0x90 [ 9041.695209][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9041.695209][ T10] ip6_pol_route+0x56f/0x840 [ 9041.695209][ T10] fib6_rule_lookup+0x334/0x630 [ 9041.695209][ T10] ip6_route_output_flags+0x259/0x480 [ 9041.695209][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9041.695209][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9041.695209][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9041.695209][ T10] ____sys_sendmsg+0x772/0xa10 [ 9041.695209][ T10] ___sys_sendmsg+0xee/0x170 [ 9041.695209][ T10] __sys_sendmsg+0xcd/0x170 [ 9041.695209][ T10] do_syscall_64+0xc6/0x1e0 [ 9041.695209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9041.695209][ T10] [ 9041.697138][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9041.697138][ T10] dst_init+0x84/0x4a0 [ 9041.697138][ T10] dst_alloc+0x97/0x150 [ 9041.697138][ T10] ip6_dst_alloc+0x23/0x90 [ 9041.697138][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9041.697138][ T10] ip6_pol_route+0x56f/0x840 [ 9041.697138][ T10] fib6_rule_lookup+0x334/0x630 [ 9041.697138][ T10] ip6_route_output_flags+0x259/0x480 [ 9041.697138][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9041.697138][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9041.697138][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9041.697138][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9041.697138][ T10] ____sys_sendmsg+0x772/0xa10 [ 9041.697138][ T10] ___sys_sendmsg+0xee/0x170 [ 9041.697138][ T10] __sys_sendmsg+0xcd/0x170 [ 9041.697138][ T10] do_syscall_64+0xc6/0x1e0 [ 9041.697138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9041.697138][ T10] [ 9041.699163][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9041.699163][ T10] dst_init+0x84/0x4a0 [ 9041.699163][ T10] dst_alloc+0x97/0x150 [ 9041.699163][ T10] ip6_dst_alloc+0x23/0x90 [ 9041.699163][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9041.699163][ T10] ip6_pol_route+0x56f/0x840 [ 9041.699163][ T10] fib6_rule_lookup+0x334/0x630 [ 9041.699163][ T10] ip6_route_output_flags+0x259/0x480 [ 9041.699163][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9041.699163][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9041.699163][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9041.699163][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9041.699163][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9041.699163][ T10] ___sys_sendmsg+0xee/0x170 [ 9041.699163][ T10] __sys_sendmsg+0xcd/0x170 [ 9041.699163][ T10] do_syscall_64+0xc6/0x1e0 [ 9041.699163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9041.699163][ T10] [ 9041.701212][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9041.701212][ T10] netdev_get_by_index+0x5e/0x80 [ 9041.701212][ T10] fib6_nh_init+0x3d8/0x1580 [ 9041.701212][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9041.701212][ T10] ip6_route_add+0x1c/0x140 [ 9041.701212][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9041.701212][ T10] inet6_addr_add+0x4f8/0xa40 [ 9041.701212][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9041.701212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9041.701212][ T10] netlink_rcv_skb+0x130/0x360 [ 9041.701212][ T10] netlink_unicast+0x449/0x710 [ 9041.701212][ T10] netlink_sendmsg+0x723/0xbe0 [ 9041.701212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9041.701212][ T10] ___sys_sendmsg+0xee/0x170 [ 9041.701212][ T10] __sys_sendmsg+0xcd/0x170 [ 9041.701212][ T10] do_syscall_64+0xc6/0x1e0 [ 9041.701212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9041.701212][ T10] [ 9041.703272][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9041.703272][ T10] netdev_get_by_index+0x5e/0x80 [ 9041.703272][ T10] fib6_nh_init+0x3d8/0x1580 [ 9041.703272][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9041.703272][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9041.703272][ T10] ipv6_add_addr+0x411/0x2000 [ 9041.703272][ T10] inet6_addr_add+0x30e/0xa40 [ 9041.703272][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9041.703272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9041.703272][ T10] netlink_rcv_skb+0x130/0x360 [ 9041.703272][ T10] netlink_unicast+0x449/0x710 [ 9041.703272][ T10] netlink_sendmsg+0x723/0xbe0 [ 9041.703272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9041.703272][ T10] ___sys_sendmsg+0xee/0x170 [ 9041.703272][ T10] __sys_sendmsg+0xcd/0x170 [ 9041.703272][ T10] do_syscall_64+0xc6/0x1e0 [ 9041.703272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9041.703272][ T10] [ 9041.705323][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9041.705323][ T10] netdev_get_by_index+0x5e/0x80 [ 9041.705323][ T10] fib6_nh_init+0x3d8/0x1580 [ 9041.705323][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9041.705323][ T10] ip6_route_add+0x1c/0x140 [ 9041.705323][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9041.705323][ T10] addrconf_add_dev+0xe2/0x170 [ 9041.705323][ T10] inet6_addr_add+0x12f/0xa40 [ 9041.705323][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9041.705323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9041.705323][ T10] netlink_rcv_skb+0x130/0x360 [ 9041.705323][ T10] netlink_unicast+0x449/0x710 [ 9041.705323][ T10] netlink_sendmsg+0x723/0xbe0 [ 9041.705323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9041.705323][ T10] ___sys_sendmsg+0xee/0x170 [ 9041.705323][ T10] __sys_sendmsg+0xcd/0x170 [ 9041.705323][ T10] do_syscall_64+0xc6/0x1e0 [ 9041.705323][ T10] [ 9041.707340][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9041.707340][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9041.707340][ T10] ipv6_find_idev+0x102/0x170 [ 9041.707340][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9041.707340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9041.707340][ T10] netlink_rcv_skb+0x130/0x360 [ 9041.707340][ T10] netlink_unicast+0x449/0x710 [ 9041.707340][ T10] netlink_sendmsg+0x723/0xbe0 [ 9041.707340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9041.707340][ T10] ___sys_sendmsg+0xee/0x170 [ 9041.707340][ T10] __sys_sendmsg+0xcd/0x170 [ 9041.707340][ T10] do_syscall_64+0xc6/0x1e0 [ 9041.707340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9041.707340][ T10] [ 9041.708915][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9041.708915][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9041.708915][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9041.708915][ T10] ipv6_find_idev+0x102/0x170 [ 9041.708915][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9041.708915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9041.708915][ T10] netlink_rcv_skb+0x130/0x360 [ 9041.708915][ T10] netlink_unicast+0x449/0x710 [ 9041.708915][ T10] netlink_sendmsg+0x723/0xbe0 [ 9041.708915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9041.708915][ T10] ___sys_sendmsg+0xee/0x170 [ 9041.708915][ T10] __sys_sendmsg+0xcd/0x170 [ 9041.708915][ T10] do_syscall_64+0xc6/0x1e0 [ 9041.708915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9041.708915][ T10] [ 9051.406799][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9051.407217][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9051.407217][T12167] netdev_get_by_index+0x5e/0x80 [ 9051.407217][T12167] fib6_nh_init+0x3d8/0x1580 [ 9051.407217][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9051.407217][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9051.407217][T12167] ipv6_add_addr+0x411/0x2000 [ 9051.407217][T12167] inet6_addr_add+0x30e/0xa40 [ 9051.407217][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9051.407217][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9051.407217][T12167] netlink_rcv_skb+0x130/0x360 [ 9051.407217][T12167] netlink_unicast+0x449/0x710 [ 9051.407217][T12167] netlink_sendmsg+0x723/0xbe0 [ 9051.407217][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9051.407217][T12167] ___sys_sendmsg+0xee/0x170 [ 9051.407217][T12167] __sys_sendmsg+0xcd/0x170 [ 9051.407217][T12167] do_syscall_64+0xc6/0x1e0 [ 9051.407217][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9051.407217][T12167] [ 9051.409520][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9051.409520][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9051.409520][T12167] ipv6_find_idev+0x102/0x170 [ 9051.409520][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9051.409520][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9051.409520][T12167] netlink_rcv_skb+0x130/0x360 [ 9051.409520][T12167] netlink_unicast+0x449/0x710 [ 9051.409520][T12167] netlink_sendmsg+0x723/0xbe0 [ 9051.409520][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9051.409520][T12167] ___sys_sendmsg+0xee/0x170 [ 9051.409520][T12167] __sys_sendmsg+0xcd/0x170 [ 9051.409520][T12167] do_syscall_64+0xc6/0x1e0 [ 9051.409520][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9051.409520][T12167] [ 9051.411254][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9051.411254][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9051.411254][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9051.411254][T12167] ipv6_find_idev+0x102/0x170 [ 9051.411254][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9051.411254][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9051.411254][T12167] netlink_rcv_skb+0x130/0x360 [ 9051.411254][T12167] netlink_unicast+0x449/0x710 [ 9051.411254][T12167] netlink_sendmsg+0x723/0xbe0 [ 9051.411254][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9051.411254][T12167] ___sys_sendmsg+0xee/0x170 [ 9051.411254][T12167] __sys_sendmsg+0xcd/0x170 [ 9051.411254][T12167] do_syscall_64+0xc6/0x1e0 [ 9051.411254][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9051.411254][T12167] [ 9051.950796][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9051.951202][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9051.951202][ T10] dst_init+0x84/0x4a0 [ 9051.951202][ T10] dst_alloc+0x97/0x150 [ 9051.951202][ T10] ip6_dst_alloc+0x23/0x90 [ 9051.951202][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9051.951202][ T10] ip6_pol_route+0x56f/0x840 [ 9051.951202][ T10] fib6_rule_lookup+0x334/0x630 [ 9051.951202][ T10] ip6_route_output_flags+0x259/0x480 [ 9051.951202][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9051.951202][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9051.951202][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9051.951202][ T10] ____sys_sendmsg+0x772/0xa10 [ 9051.951202][ T10] ___sys_sendmsg+0xee/0x170 [ 9051.951202][ T10] __sys_sendmsg+0xcd/0x170 [ 9051.951202][ T10] do_syscall_64+0xc6/0x1e0 [ 9051.951202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9051.951202][ T10] [ 9051.953122][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9051.953122][ T10] dst_init+0x84/0x4a0 [ 9051.953122][ T10] dst_alloc+0x97/0x150 [ 9051.953122][ T10] ip6_dst_alloc+0x23/0x90 [ 9051.953122][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9051.953122][ T10] ip6_pol_route+0x56f/0x840 [ 9051.953122][ T10] fib6_rule_lookup+0x334/0x630 [ 9051.953122][ T10] ip6_route_output_flags+0x259/0x480 [ 9051.953122][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9051.953122][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9051.953122][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9051.953122][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9051.953122][ T10] ____sys_sendmsg+0x772/0xa10 [ 9051.953122][ T10] ___sys_sendmsg+0xee/0x170 [ 9051.953122][ T10] __sys_sendmsg+0xcd/0x170 [ 9051.953122][ T10] do_syscall_64+0xc6/0x1e0 [ 9051.953122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9051.953122][ T10] [ 9051.955114][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9051.955114][ T10] dst_init+0x84/0x4a0 [ 9051.955114][ T10] dst_alloc+0x97/0x150 [ 9051.955114][ T10] ip6_dst_alloc+0x23/0x90 [ 9051.955114][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9051.955114][ T10] ip6_pol_route+0x56f/0x840 [ 9051.955114][ T10] fib6_rule_lookup+0x334/0x630 [ 9051.955114][ T10] ip6_route_output_flags+0x259/0x480 [ 9051.955114][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9051.955114][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9051.955114][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9051.955114][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9051.955114][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9051.955114][ T10] ___sys_sendmsg+0xee/0x170 [ 9051.955114][ T10] __sys_sendmsg+0xcd/0x170 [ 9051.955114][ T10] do_syscall_64+0xc6/0x1e0 [ 9051.955114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9051.955114][ T10] [ 9051.957129][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9051.957129][ T10] netdev_get_by_index+0x5e/0x80 [ 9051.957129][ T10] fib6_nh_init+0x3d8/0x1580 [ 9051.957129][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9051.957129][ T10] ip6_route_add+0x1c/0x140 [ 9051.957129][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9051.957129][ T10] inet6_addr_add+0x4f8/0xa40 [ 9051.957129][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9051.957129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9051.957129][ T10] netlink_rcv_skb+0x130/0x360 [ 9051.957129][ T10] netlink_unicast+0x449/0x710 [ 9051.957129][ T10] netlink_sendmsg+0x723/0xbe0 [ 9051.957129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9051.957129][ T10] ___sys_sendmsg+0xee/0x170 [ 9051.957129][ T10] __sys_sendmsg+0xcd/0x170 [ 9051.957129][ T10] do_syscall_64+0xc6/0x1e0 [ 9051.957129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9051.957129][ T10] [ 9051.959166][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9051.959166][ T10] netdev_get_by_index+0x5e/0x80 [ 9051.959166][ T10] fib6_nh_init+0x3d8/0x1580 [ 9051.959166][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9051.959166][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9051.959166][ T10] ipv6_add_addr+0x411/0x2000 [ 9051.959166][ T10] inet6_addr_add+0x30e/0xa40 [ 9051.959166][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9051.959166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9051.959166][ T10] netlink_rcv_skb+0x130/0x360 [ 9051.959166][ T10] netlink_unicast+0x449/0x710 [ 9051.959166][ T10] netlink_sendmsg+0x723/0xbe0 [ 9051.959166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9051.959166][ T10] ___sys_sendmsg+0xee/0x170 [ 9051.959166][ T10] __sys_sendmsg+0xcd/0x170 [ 9051.959166][ T10] do_syscall_64+0xc6/0x1e0 [ 9051.959166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9051.959166][ T10] [ 9051.961165][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9051.961165][ T10] netdev_get_by_index+0x5e/0x80 [ 9051.961165][ T10] fib6_nh_init+0x3d8/0x1580 [ 9051.961165][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9051.961165][ T10] ip6_route_add+0x1c/0x140 [ 9051.961165][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9051.961165][ T10] addrconf_add_dev+0xe2/0x170 [ 9051.961165][ T10] inet6_addr_add+0x12f/0xa40 [ 9051.961165][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9051.961165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9051.961165][ T10] netlink_rcv_skb+0x130/0x360 [ 9051.961165][ T10] netlink_unicast+0x449/0x710 [ 9051.961165][ T10] netlink_sendmsg+0x723/0xbe0 [ 9051.961165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9051.961165][ T10] ___sys_sendmsg+0xee/0x170 [ 9051.961165][ T10] __sys_sendmsg+0xcd/0x170 [ 9051.961165][ T10] do_syscall_64+0xc6/0x1e0 [ 9051.961165][ T10] [ 9051.963137][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9051.963137][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9051.963137][ T10] ipv6_find_idev+0x102/0x170 [ 9051.963137][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9051.963137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9051.963137][ T10] netlink_rcv_skb+0x130/0x360 [ 9051.963137][ T10] netlink_unicast+0x449/0x710 [ 9051.963137][ T10] netlink_sendmsg+0x723/0xbe0 [ 9051.963137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9051.963137][ T10] ___sys_sendmsg+0xee/0x170 [ 9051.963137][ T10] __sys_sendmsg+0xcd/0x170 [ 9051.963137][ T10] do_syscall_64+0xc6/0x1e0 [ 9051.963137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9051.963137][ T10] [ 9051.964681][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9051.964681][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9051.964681][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9051.964681][ T10] ipv6_find_idev+0x102/0x170 [ 9051.964681][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9051.964681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9051.964681][ T10] netlink_rcv_skb+0x130/0x360 [ 9051.964681][ T10] netlink_unicast+0x449/0x710 [ 9051.964681][ T10] netlink_sendmsg+0x723/0xbe0 [ 9051.964681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9051.964681][ T10] ___sys_sendmsg+0xee/0x170 [ 9051.964681][ T10] __sys_sendmsg+0xcd/0x170 [ 9051.964681][ T10] do_syscall_64+0xc6/0x1e0 [ 9051.964681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9051.964681][ T10] [ 9061.654830][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9061.655249][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9061.655249][T12167] netdev_get_by_index+0x5e/0x80 [ 9061.655249][T12167] fib6_nh_init+0x3d8/0x1580 [ 9061.655249][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9061.655249][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9061.655249][T12167] ipv6_add_addr+0x411/0x2000 [ 9061.655249][T12167] inet6_addr_add+0x30e/0xa40 [ 9061.655249][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9061.655249][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9061.655249][T12167] netlink_rcv_skb+0x130/0x360 [ 9061.655249][T12167] netlink_unicast+0x449/0x710 [ 9061.655249][T12167] netlink_sendmsg+0x723/0xbe0 [ 9061.655249][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9061.655249][T12167] ___sys_sendmsg+0xee/0x170 [ 9061.655249][T12167] __sys_sendmsg+0xcd/0x170 [ 9061.655249][T12167] do_syscall_64+0xc6/0x1e0 [ 9061.655249][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9061.655249][T12167] [ 9061.657637][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9061.657637][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9061.657637][T12167] ipv6_find_idev+0x102/0x170 [ 9061.657637][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9061.657637][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9061.657637][T12167] netlink_rcv_skb+0x130/0x360 [ 9061.657637][T12167] netlink_unicast+0x449/0x710 [ 9061.657637][T12167] netlink_sendmsg+0x723/0xbe0 [ 9061.657637][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9061.657637][T12167] ___sys_sendmsg+0xee/0x170 [ 9061.657637][T12167] __sys_sendmsg+0xcd/0x170 [ 9061.657637][T12167] do_syscall_64+0xc6/0x1e0 [ 9061.657637][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9061.657637][T12167] [ 9061.659382][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9061.659382][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9061.659382][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9061.659382][T12167] ipv6_find_idev+0x102/0x170 [ 9061.659382][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9061.659382][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9061.659382][T12167] netlink_rcv_skb+0x130/0x360 [ 9061.659382][T12167] netlink_unicast+0x449/0x710 [ 9061.659382][T12167] netlink_sendmsg+0x723/0xbe0 [ 9061.659382][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9061.659382][T12167] ___sys_sendmsg+0xee/0x170 [ 9061.659382][T12167] __sys_sendmsg+0xcd/0x170 [ 9061.659382][T12167] do_syscall_64+0xc6/0x1e0 [ 9061.659382][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9061.659382][T12167] [ 9062.126847][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9062.127175][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9062.127175][ T10] dst_init+0x84/0x4a0 [ 9062.127175][ T10] dst_alloc+0x97/0x150 [ 9062.127175][ T10] ip6_dst_alloc+0x23/0x90 [ 9062.127175][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9062.127175][ T10] ip6_pol_route+0x56f/0x840 [ 9062.127175][ T10] fib6_rule_lookup+0x334/0x630 [ 9062.127175][ T10] ip6_route_output_flags+0x259/0x480 [ 9062.127175][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9062.127175][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9062.127175][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9062.127175][ T10] ____sys_sendmsg+0x772/0xa10 [ 9062.127175][ T10] ___sys_sendmsg+0xee/0x170 [ 9062.127175][ T10] __sys_sendmsg+0xcd/0x170 [ 9062.127175][ T10] do_syscall_64+0xc6/0x1e0 [ 9062.127175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9062.127175][ T10] [ 9062.129165][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9062.129165][ T10] dst_init+0x84/0x4a0 [ 9062.129165][ T10] dst_alloc+0x97/0x150 [ 9062.129165][ T10] ip6_dst_alloc+0x23/0x90 [ 9062.129165][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9062.129165][ T10] ip6_pol_route+0x56f/0x840 [ 9062.129165][ T10] fib6_rule_lookup+0x334/0x630 [ 9062.129165][ T10] ip6_route_output_flags+0x259/0x480 [ 9062.129165][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9062.129165][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9062.129165][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9062.129165][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9062.129165][ T10] ____sys_sendmsg+0x772/0xa10 [ 9062.129165][ T10] ___sys_sendmsg+0xee/0x170 [ 9062.129165][ T10] __sys_sendmsg+0xcd/0x170 [ 9062.129165][ T10] do_syscall_64+0xc6/0x1e0 [ 9062.129165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9062.129165][ T10] [ 9062.131156][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9062.131156][ T10] dst_init+0x84/0x4a0 [ 9062.131156][ T10] dst_alloc+0x97/0x150 [ 9062.131156][ T10] ip6_dst_alloc+0x23/0x90 [ 9062.131156][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9062.131156][ T10] ip6_pol_route+0x56f/0x840 [ 9062.131156][ T10] fib6_rule_lookup+0x334/0x630 [ 9062.131156][ T10] ip6_route_output_flags+0x259/0x480 [ 9062.131156][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9062.131156][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9062.131156][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9062.131156][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9062.131156][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9062.131156][ T10] ___sys_sendmsg+0xee/0x170 [ 9062.131156][ T10] __sys_sendmsg+0xcd/0x170 [ 9062.131156][ T10] do_syscall_64+0xc6/0x1e0 [ 9062.131156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9062.131156][ T10] [ 9062.133159][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9062.133159][ T10] netdev_get_by_index+0x5e/0x80 [ 9062.133159][ T10] fib6_nh_init+0x3d8/0x1580 [ 9062.133159][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9062.133159][ T10] ip6_route_add+0x1c/0x140 [ 9062.133159][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9062.133159][ T10] inet6_addr_add+0x4f8/0xa40 [ 9062.133159][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9062.133159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9062.133159][ T10] netlink_rcv_skb+0x130/0x360 [ 9062.133159][ T10] netlink_unicast+0x449/0x710 [ 9062.133159][ T10] netlink_sendmsg+0x723/0xbe0 [ 9062.133159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9062.133159][ T10] ___sys_sendmsg+0xee/0x170 [ 9062.133159][ T10] __sys_sendmsg+0xcd/0x170 [ 9062.133159][ T10] do_syscall_64+0xc6/0x1e0 [ 9062.133159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9062.133159][ T10] [ 9062.135164][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9062.135164][ T10] netdev_get_by_index+0x5e/0x80 [ 9062.135164][ T10] fib6_nh_init+0x3d8/0x1580 [ 9062.135164][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9062.135164][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9062.135164][ T10] ipv6_add_addr+0x411/0x2000 [ 9062.135164][ T10] inet6_addr_add+0x30e/0xa40 [ 9062.135164][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9062.135164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9062.135164][ T10] netlink_rcv_skb+0x130/0x360 [ 9062.135164][ T10] netlink_unicast+0x449/0x710 [ 9062.135164][ T10] netlink_sendmsg+0x723/0xbe0 [ 9062.135164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9062.135164][ T10] ___sys_sendmsg+0xee/0x170 [ 9062.135164][ T10] __sys_sendmsg+0xcd/0x170 [ 9062.135164][ T10] do_syscall_64+0xc6/0x1e0 [ 9062.135164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9062.135164][ T10] [ 9062.137167][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9062.137167][ T10] netdev_get_by_index+0x5e/0x80 [ 9062.137167][ T10] fib6_nh_init+0x3d8/0x1580 [ 9062.137167][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9062.137167][ T10] ip6_route_add+0x1c/0x140 [ 9062.137167][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9062.137167][ T10] addrconf_add_dev+0xe2/0x170 [ 9062.137167][ T10] inet6_addr_add+0x12f/0xa40 [ 9062.137167][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9062.137167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9062.137167][ T10] netlink_rcv_skb+0x130/0x360 [ 9062.137167][ T10] netlink_unicast+0x449/0x710 [ 9062.137167][ T10] netlink_sendmsg+0x723/0xbe0 [ 9062.137167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9062.137167][ T10] ___sys_sendmsg+0xee/0x170 [ 9062.137167][ T10] __sys_sendmsg+0xcd/0x170 [ 9062.137167][ T10] do_syscall_64+0xc6/0x1e0 [ 9062.137167][ T10] [ 9062.139133][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9062.139133][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9062.139133][ T10] ipv6_find_idev+0x102/0x170 [ 9062.139133][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9062.139133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9062.139133][ T10] netlink_rcv_skb+0x130/0x360 [ 9062.139133][ T10] netlink_unicast+0x449/0x710 [ 9062.139133][ T10] netlink_sendmsg+0x723/0xbe0 [ 9062.139133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9062.139133][ T10] ___sys_sendmsg+0xee/0x170 [ 9062.139133][ T10] __sys_sendmsg+0xcd/0x170 [ 9062.139133][ T10] do_syscall_64+0xc6/0x1e0 [ 9062.139133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9062.139133][ T10] [ 9062.140674][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9062.140674][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9062.140674][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9062.140674][ T10] ipv6_find_idev+0x102/0x170 [ 9062.140674][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9062.140674][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9062.140674][ T10] netlink_rcv_skb+0x130/0x360 [ 9062.140674][ T10] netlink_unicast+0x449/0x710 [ 9062.140674][ T10] netlink_sendmsg+0x723/0xbe0 [ 9062.140674][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9062.140674][ T10] ___sys_sendmsg+0xee/0x170 [ 9062.140674][ T10] __sys_sendmsg+0xcd/0x170 [ 9062.140674][ T10] do_syscall_64+0xc6/0x1e0 [ 9062.140674][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9062.140674][ T10] [ 9071.902800][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9071.903327][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9071.903327][T12167] netdev_get_by_index+0x5e/0x80 [ 9071.903327][T12167] fib6_nh_init+0x3d8/0x1580 [ 9071.903327][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9071.903327][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9071.903327][T12167] ipv6_add_addr+0x411/0x2000 [ 9071.903327][T12167] inet6_addr_add+0x30e/0xa40 [ 9071.903327][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9071.903327][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9071.903327][T12167] netlink_rcv_skb+0x130/0x360 [ 9071.903327][T12167] netlink_unicast+0x449/0x710 [ 9071.903327][T12167] netlink_sendmsg+0x723/0xbe0 [ 9071.903327][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9071.903327][T12167] ___sys_sendmsg+0xee/0x170 [ 9071.903327][T12167] __sys_sendmsg+0xcd/0x170 [ 9071.903327][T12167] do_syscall_64+0xc6/0x1e0 [ 9071.903327][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9071.903327][T12167] [ 9071.905594][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9071.905594][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9071.905594][T12167] ipv6_find_idev+0x102/0x170 [ 9071.905594][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9071.905594][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9071.905594][T12167] netlink_rcv_skb+0x130/0x360 [ 9071.905594][T12167] netlink_unicast+0x449/0x710 [ 9071.905594][T12167] netlink_sendmsg+0x723/0xbe0 [ 9071.905594][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9071.905594][T12167] ___sys_sendmsg+0xee/0x170 [ 9071.905594][T12167] __sys_sendmsg+0xcd/0x170 [ 9071.905594][T12167] do_syscall_64+0xc6/0x1e0 [ 9071.905594][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9071.905594][T12167] [ 9071.907328][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9071.907328][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9071.907328][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9071.907328][T12167] ipv6_find_idev+0x102/0x170 [ 9071.907328][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9071.907328][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9071.907328][T12167] netlink_rcv_skb+0x130/0x360 [ 9071.907328][T12167] netlink_unicast+0x449/0x710 [ 9071.907328][T12167] netlink_sendmsg+0x723/0xbe0 [ 9071.907328][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9071.907328][T12167] ___sys_sendmsg+0xee/0x170 [ 9071.907328][T12167] __sys_sendmsg+0xcd/0x170 [ 9071.907328][T12167] do_syscall_64+0xc6/0x1e0 [ 9071.907328][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9071.907328][T12167] [ 9072.390841][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9072.391253][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9072.391253][ T10] dst_init+0x84/0x4a0 [ 9072.391253][ T10] dst_alloc+0x97/0x150 [ 9072.391253][ T10] ip6_dst_alloc+0x23/0x90 [ 9072.391253][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9072.391253][ T10] ip6_pol_route+0x56f/0x840 [ 9072.391253][ T10] fib6_rule_lookup+0x334/0x630 [ 9072.391253][ T10] ip6_route_output_flags+0x259/0x480 [ 9072.391253][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9072.391253][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9072.391253][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9072.391253][ T10] ____sys_sendmsg+0x772/0xa10 [ 9072.391253][ T10] ___sys_sendmsg+0xee/0x170 [ 9072.391253][ T10] __sys_sendmsg+0xcd/0x170 [ 9072.391253][ T10] do_syscall_64+0xc6/0x1e0 [ 9072.391253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9072.391253][ T10] [ 9072.393155][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9072.393155][ T10] dst_init+0x84/0x4a0 [ 9072.393155][ T10] dst_alloc+0x97/0x150 [ 9072.393155][ T10] ip6_dst_alloc+0x23/0x90 [ 9072.393155][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9072.393155][ T10] ip6_pol_route+0x56f/0x840 [ 9072.393155][ T10] fib6_rule_lookup+0x334/0x630 [ 9072.393155][ T10] ip6_route_output_flags+0x259/0x480 [ 9072.393155][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9072.393155][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9072.393155][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9072.393155][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9072.393155][ T10] ____sys_sendmsg+0x772/0xa10 [ 9072.393155][ T10] ___sys_sendmsg+0xee/0x170 [ 9072.393155][ T10] __sys_sendmsg+0xcd/0x170 [ 9072.393155][ T10] do_syscall_64+0xc6/0x1e0 [ 9072.393155][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9072.393155][ T10] [ 9072.395147][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9072.395147][ T10] dst_init+0x84/0x4a0 [ 9072.395147][ T10] dst_alloc+0x97/0x150 [ 9072.395147][ T10] ip6_dst_alloc+0x23/0x90 [ 9072.395147][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9072.395147][ T10] ip6_pol_route+0x56f/0x840 [ 9072.395147][ T10] fib6_rule_lookup+0x334/0x630 [ 9072.395147][ T10] ip6_route_output_flags+0x259/0x480 [ 9072.395147][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9072.395147][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9072.395147][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9072.395147][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9072.395147][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9072.395147][ T10] ___sys_sendmsg+0xee/0x170 [ 9072.395147][ T10] __sys_sendmsg+0xcd/0x170 [ 9072.395147][ T10] do_syscall_64+0xc6/0x1e0 [ 9072.395147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9072.395147][ T10] [ 9072.397145][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9072.397145][ T10] netdev_get_by_index+0x5e/0x80 [ 9072.397145][ T10] fib6_nh_init+0x3d8/0x1580 [ 9072.397145][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9072.397145][ T10] ip6_route_add+0x1c/0x140 [ 9072.397145][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9072.397145][ T10] inet6_addr_add+0x4f8/0xa40 [ 9072.397145][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9072.397145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9072.397145][ T10] netlink_rcv_skb+0x130/0x360 [ 9072.397145][ T10] netlink_unicast+0x449/0x710 [ 9072.397145][ T10] netlink_sendmsg+0x723/0xbe0 [ 9072.397145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9072.397145][ T10] ___sys_sendmsg+0xee/0x170 [ 9072.397145][ T10] __sys_sendmsg+0xcd/0x170 [ 9072.397145][ T10] do_syscall_64+0xc6/0x1e0 [ 9072.397145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9072.397145][ T10] [ 9072.399157][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9072.399157][ T10] netdev_get_by_index+0x5e/0x80 [ 9072.399157][ T10] fib6_nh_init+0x3d8/0x1580 [ 9072.399157][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9072.399157][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9072.399157][ T10] ipv6_add_addr+0x411/0x2000 [ 9072.399157][ T10] inet6_addr_add+0x30e/0xa40 [ 9072.399157][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9072.399157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9072.399157][ T10] netlink_rcv_skb+0x130/0x360 [ 9072.399157][ T10] netlink_unicast+0x449/0x710 [ 9072.399157][ T10] netlink_sendmsg+0x723/0xbe0 [ 9072.399157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9072.399157][ T10] ___sys_sendmsg+0xee/0x170 [ 9072.399157][ T10] __sys_sendmsg+0xcd/0x170 [ 9072.399157][ T10] do_syscall_64+0xc6/0x1e0 [ 9072.399157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9072.399157][ T10] [ 9072.401169][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9072.401169][ T10] netdev_get_by_index+0x5e/0x80 [ 9072.401169][ T10] fib6_nh_init+0x3d8/0x1580 [ 9072.401169][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9072.401169][ T10] ip6_route_add+0x1c/0x140 [ 9072.401169][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9072.401169][ T10] addrconf_add_dev+0xe2/0x170 [ 9072.401169][ T10] inet6_addr_add+0x12f/0xa40 [ 9072.401169][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9072.401169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9072.401169][ T10] netlink_rcv_skb+0x130/0x360 [ 9072.401169][ T10] netlink_unicast+0x449/0x710 [ 9072.401169][ T10] netlink_sendmsg+0x723/0xbe0 [ 9072.401169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9072.401169][ T10] ___sys_sendmsg+0xee/0x170 [ 9072.401169][ T10] __sys_sendmsg+0xcd/0x170 [ 9072.401169][ T10] do_syscall_64+0xc6/0x1e0 [ 9072.401169][ T10] [ 9072.403146][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9072.403146][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9072.403146][ T10] ipv6_find_idev+0x102/0x170 [ 9072.403146][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9072.403146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9072.403146][ T10] netlink_rcv_skb+0x130/0x360 [ 9072.403146][ T10] netlink_unicast+0x449/0x710 [ 9072.403146][ T10] netlink_sendmsg+0x723/0xbe0 [ 9072.403146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9072.403146][ T10] ___sys_sendmsg+0xee/0x170 [ 9072.403146][ T10] __sys_sendmsg+0xcd/0x170 [ 9072.403146][ T10] do_syscall_64+0xc6/0x1e0 [ 9072.403146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9072.403146][ T10] [ 9072.404692][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9072.404692][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9072.404692][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9072.404692][ T10] ipv6_find_idev+0x102/0x170 [ 9072.404692][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9072.404692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9072.404692][ T10] netlink_rcv_skb+0x130/0x360 [ 9072.404692][ T10] netlink_unicast+0x449/0x710 [ 9072.404692][ T10] netlink_sendmsg+0x723/0xbe0 [ 9072.404692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9072.404692][ T10] ___sys_sendmsg+0xee/0x170 [ 9072.404692][ T10] __sys_sendmsg+0xcd/0x170 [ 9072.404692][ T10] do_syscall_64+0xc6/0x1e0 [ 9072.404692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9072.404692][ T10] [ 9082.150722][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9082.151225][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9082.151225][T12167] netdev_get_by_index+0x5e/0x80 [ 9082.151225][T12167] fib6_nh_init+0x3d8/0x1580 [ 9082.151225][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9082.151225][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9082.151225][T12167] ipv6_add_addr+0x411/0x2000 [ 9082.151225][T12167] inet6_addr_add+0x30e/0xa40 [ 9082.151225][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9082.151225][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9082.151225][T12167] netlink_rcv_skb+0x130/0x360 [ 9082.151225][T12167] netlink_unicast+0x449/0x710 [ 9082.151225][T12167] netlink_sendmsg+0x723/0xbe0 [ 9082.151225][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9082.151225][T12167] ___sys_sendmsg+0xee/0x170 [ 9082.151225][T12167] __sys_sendmsg+0xcd/0x170 [ 9082.151225][T12167] do_syscall_64+0xc6/0x1e0 [ 9082.151225][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9082.151225][T12167] [ 9082.153506][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9082.153506][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9082.153506][T12167] ipv6_find_idev+0x102/0x170 [ 9082.153506][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9082.153506][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9082.153506][T12167] netlink_rcv_skb+0x130/0x360 [ 9082.153506][T12167] netlink_unicast+0x449/0x710 [ 9082.153506][T12167] netlink_sendmsg+0x723/0xbe0 [ 9082.153506][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9082.153506][T12167] ___sys_sendmsg+0xee/0x170 [ 9082.153506][T12167] __sys_sendmsg+0xcd/0x170 [ 9082.153506][T12167] do_syscall_64+0xc6/0x1e0 [ 9082.153506][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9082.153506][T12167] [ 9082.155252][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9082.155252][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9082.155252][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9082.155252][T12167] ipv6_find_idev+0x102/0x170 [ 9082.155252][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9082.155252][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9082.155252][T12167] netlink_rcv_skb+0x130/0x360 [ 9082.155252][T12167] netlink_unicast+0x449/0x710 [ 9082.155252][T12167] netlink_sendmsg+0x723/0xbe0 [ 9082.155252][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9082.155252][T12167] ___sys_sendmsg+0xee/0x170 [ 9082.155252][T12167] __sys_sendmsg+0xcd/0x170 [ 9082.155252][T12167] do_syscall_64+0xc6/0x1e0 [ 9082.155252][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9082.155252][T12167] [ 9082.422896][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9082.423310][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9082.423310][ T10] dst_init+0x84/0x4a0 [ 9082.423310][ T10] dst_alloc+0x97/0x150 [ 9082.423310][ T10] ip6_dst_alloc+0x23/0x90 [ 9082.423310][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9082.423310][ T10] ip6_pol_route+0x56f/0x840 [ 9082.423310][ T10] fib6_rule_lookup+0x334/0x630 [ 9082.423310][ T10] ip6_route_output_flags+0x259/0x480 [ 9082.423310][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9082.423310][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9082.423310][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9082.423310][ T10] ____sys_sendmsg+0x772/0xa10 [ 9082.423310][ T10] ___sys_sendmsg+0xee/0x170 [ 9082.423310][ T10] __sys_sendmsg+0xcd/0x170 [ 9082.423310][ T10] do_syscall_64+0xc6/0x1e0 [ 9082.423310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9082.423310][ T10] [ 9082.425207][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9082.425207][ T10] dst_init+0x84/0x4a0 [ 9082.425207][ T10] dst_alloc+0x97/0x150 [ 9082.425207][ T10] ip6_dst_alloc+0x23/0x90 [ 9082.425207][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9082.425207][ T10] ip6_pol_route+0x56f/0x840 [ 9082.425207][ T10] fib6_rule_lookup+0x334/0x630 [ 9082.425207][ T10] ip6_route_output_flags+0x259/0x480 [ 9082.425207][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9082.425207][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9082.425207][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9082.425207][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9082.425207][ T10] ____sys_sendmsg+0x772/0xa10 [ 9082.425207][ T10] ___sys_sendmsg+0xee/0x170 [ 9082.425207][ T10] __sys_sendmsg+0xcd/0x170 [ 9082.425207][ T10] do_syscall_64+0xc6/0x1e0 [ 9082.425207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9082.425207][ T10] [ 9082.427211][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9082.427211][ T10] dst_init+0x84/0x4a0 [ 9082.427211][ T10] dst_alloc+0x97/0x150 [ 9082.427211][ T10] ip6_dst_alloc+0x23/0x90 [ 9082.427211][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9082.427211][ T10] ip6_pol_route+0x56f/0x840 [ 9082.427211][ T10] fib6_rule_lookup+0x334/0x630 [ 9082.427211][ T10] ip6_route_output_flags+0x259/0x480 [ 9082.427211][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9082.427211][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9082.427211][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9082.427211][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9082.427211][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9082.427211][ T10] ___sys_sendmsg+0xee/0x170 [ 9082.427211][ T10] __sys_sendmsg+0xcd/0x170 [ 9082.427211][ T10] do_syscall_64+0xc6/0x1e0 [ 9082.427211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9082.427211][ T10] [ 9082.429211][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9082.429211][ T10] netdev_get_by_index+0x5e/0x80 [ 9082.429211][ T10] fib6_nh_init+0x3d8/0x1580 [ 9082.429211][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9082.429211][ T10] ip6_route_add+0x1c/0x140 [ 9082.429211][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9082.429211][ T10] inet6_addr_add+0x4f8/0xa40 [ 9082.429211][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9082.429211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9082.429211][ T10] netlink_rcv_skb+0x130/0x360 [ 9082.429211][ T10] netlink_unicast+0x449/0x710 [ 9082.429211][ T10] netlink_sendmsg+0x723/0xbe0 [ 9082.429211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9082.429211][ T10] ___sys_sendmsg+0xee/0x170 [ 9082.429211][ T10] __sys_sendmsg+0xcd/0x170 [ 9082.429211][ T10] do_syscall_64+0xc6/0x1e0 [ 9082.429211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9082.429211][ T10] [ 9082.431214][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9082.431214][ T10] netdev_get_by_index+0x5e/0x80 [ 9082.431214][ T10] fib6_nh_init+0x3d8/0x1580 [ 9082.431214][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9082.431214][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9082.431214][ T10] ipv6_add_addr+0x411/0x2000 [ 9082.431214][ T10] inet6_addr_add+0x30e/0xa40 [ 9082.431214][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9082.431214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9082.431214][ T10] netlink_rcv_skb+0x130/0x360 [ 9082.431214][ T10] netlink_unicast+0x449/0x710 [ 9082.431214][ T10] netlink_sendmsg+0x723/0xbe0 [ 9082.431214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9082.431214][ T10] ___sys_sendmsg+0xee/0x170 [ 9082.431214][ T10] __sys_sendmsg+0xcd/0x170 [ 9082.431214][ T10] do_syscall_64+0xc6/0x1e0 [ 9082.431214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9082.431214][ T10] [ 9082.433239][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9082.433239][ T10] netdev_get_by_index+0x5e/0x80 [ 9082.433239][ T10] fib6_nh_init+0x3d8/0x1580 [ 9082.433239][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9082.433239][ T10] ip6_route_add+0x1c/0x140 [ 9082.433239][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9082.433239][ T10] addrconf_add_dev+0xe2/0x170 [ 9082.433239][ T10] inet6_addr_add+0x12f/0xa40 [ 9082.433239][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9082.433239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9082.433239][ T10] netlink_rcv_skb+0x130/0x360 [ 9082.433239][ T10] netlink_unicast+0x449/0x710 [ 9082.433239][ T10] netlink_sendmsg+0x723/0xbe0 [ 9082.433239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9082.433239][ T10] ___sys_sendmsg+0xee/0x170 [ 9082.433239][ T10] __sys_sendmsg+0xcd/0x170 [ 9082.433239][ T10] do_syscall_64+0xc6/0x1e0 [ 9082.433239][ T10] [ 9082.435213][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9082.435213][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9082.435213][ T10] ipv6_find_idev+0x102/0x170 [ 9082.435213][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9082.435213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9082.435213][ T10] netlink_rcv_skb+0x130/0x360 [ 9082.435213][ T10] netlink_unicast+0x449/0x710 [ 9082.435213][ T10] netlink_sendmsg+0x723/0xbe0 [ 9082.435213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9082.435213][ T10] ___sys_sendmsg+0xee/0x170 [ 9082.435213][ T10] __sys_sendmsg+0xcd/0x170 [ 9082.435213][ T10] do_syscall_64+0xc6/0x1e0 [ 9082.435213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9082.435213][ T10] [ 9082.436763][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9082.436763][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9082.436763][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9082.436763][ T10] ipv6_find_idev+0x102/0x170 [ 9082.436763][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9082.436763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9082.436763][ T10] netlink_rcv_skb+0x130/0x360 [ 9082.436763][ T10] netlink_unicast+0x449/0x710 [ 9082.436763][ T10] netlink_sendmsg+0x723/0xbe0 [ 9082.436763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9082.436763][ T10] ___sys_sendmsg+0xee/0x170 [ 9082.436763][ T10] __sys_sendmsg+0xcd/0x170 [ 9082.436763][ T10] do_syscall_64+0xc6/0x1e0 [ 9082.436763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9082.436763][ T10] [ 9092.398870][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9092.399397][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9092.399397][T12167] netdev_get_by_index+0x5e/0x80 [ 9092.399397][T12167] fib6_nh_init+0x3d8/0x1580 [ 9092.399397][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9092.399397][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9092.399397][T12167] ipv6_add_addr+0x411/0x2000 [ 9092.399397][T12167] inet6_addr_add+0x30e/0xa40 [ 9092.399397][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9092.399397][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9092.399397][T12167] netlink_rcv_skb+0x130/0x360 [ 9092.399397][T12167] netlink_unicast+0x449/0x710 [ 9092.399397][T12167] netlink_sendmsg+0x723/0xbe0 [ 9092.399397][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9092.399397][T12167] ___sys_sendmsg+0xee/0x170 [ 9092.399397][T12167] __sys_sendmsg+0xcd/0x170 [ 9092.399397][T12167] do_syscall_64+0xc6/0x1e0 [ 9092.399397][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9092.399397][T12167] [ 9092.401717][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9092.401717][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9092.401717][T12167] ipv6_find_idev+0x102/0x170 [ 9092.401717][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9092.401717][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9092.401717][T12167] netlink_rcv_skb+0x130/0x360 [ 9092.401717][T12167] netlink_unicast+0x449/0x710 [ 9092.401717][T12167] netlink_sendmsg+0x723/0xbe0 [ 9092.401717][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9092.401717][T12167] ___sys_sendmsg+0xee/0x170 [ 9092.401717][T12167] __sys_sendmsg+0xcd/0x170 [ 9092.401717][T12167] do_syscall_64+0xc6/0x1e0 [ 9092.401717][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9092.401717][T12167] [ 9092.403493][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9092.403493][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9092.403493][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9092.403493][T12167] ipv6_find_idev+0x102/0x170 [ 9092.403493][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9092.403493][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9092.403493][T12167] netlink_rcv_skb+0x130/0x360 [ 9092.403493][T12167] netlink_unicast+0x449/0x710 [ 9092.403493][T12167] netlink_sendmsg+0x723/0xbe0 [ 9092.403493][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9092.403493][T12167] ___sys_sendmsg+0xee/0x170 [ 9092.403493][T12167] __sys_sendmsg+0xcd/0x170 [ 9092.403493][T12167] do_syscall_64+0xc6/0x1e0 [ 9092.403493][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9092.403493][T12167] [ 9092.686829][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9092.687235][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9092.687235][ T10] dst_init+0x84/0x4a0 [ 9092.687235][ T10] dst_alloc+0x97/0x150 [ 9092.687235][ T10] ip6_dst_alloc+0x23/0x90 [ 9092.687235][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9092.687235][ T10] ip6_pol_route+0x56f/0x840 [ 9092.687235][ T10] fib6_rule_lookup+0x334/0x630 [ 9092.687235][ T10] ip6_route_output_flags+0x259/0x480 [ 9092.687235][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9092.687235][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9092.687235][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9092.687235][ T10] ____sys_sendmsg+0x772/0xa10 [ 9092.687235][ T10] ___sys_sendmsg+0xee/0x170 [ 9092.687235][ T10] __sys_sendmsg+0xcd/0x170 [ 9092.687235][ T10] do_syscall_64+0xc6/0x1e0 [ 9092.687235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9092.687235][ T10] [ 9092.689130][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9092.689130][ T10] dst_init+0x84/0x4a0 [ 9092.689130][ T10] dst_alloc+0x97/0x150 [ 9092.689130][ T10] ip6_dst_alloc+0x23/0x90 [ 9092.689130][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9092.689130][ T10] ip6_pol_route+0x56f/0x840 [ 9092.689130][ T10] fib6_rule_lookup+0x334/0x630 [ 9092.689130][ T10] ip6_route_output_flags+0x259/0x480 [ 9092.689130][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9092.689130][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9092.689130][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9092.689130][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9092.689130][ T10] ____sys_sendmsg+0x772/0xa10 [ 9092.689130][ T10] ___sys_sendmsg+0xee/0x170 [ 9092.689130][ T10] __sys_sendmsg+0xcd/0x170 [ 9092.689130][ T10] do_syscall_64+0xc6/0x1e0 [ 9092.689130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9092.689130][ T10] [ 9092.691141][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9092.691141][ T10] dst_init+0x84/0x4a0 [ 9092.691141][ T10] dst_alloc+0x97/0x150 [ 9092.691141][ T10] ip6_dst_alloc+0x23/0x90 [ 9092.691141][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9092.691141][ T10] ip6_pol_route+0x56f/0x840 [ 9092.691141][ T10] fib6_rule_lookup+0x334/0x630 [ 9092.691141][ T10] ip6_route_output_flags+0x259/0x480 [ 9092.691141][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9092.691141][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9092.691141][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9092.691141][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9092.691141][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9092.691141][ T10] ___sys_sendmsg+0xee/0x170 [ 9092.691141][ T10] __sys_sendmsg+0xcd/0x170 [ 9092.691141][ T10] do_syscall_64+0xc6/0x1e0 [ 9092.691141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9092.691141][ T10] [ 9092.693197][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9092.693197][ T10] netdev_get_by_index+0x5e/0x80 [ 9092.693197][ T10] fib6_nh_init+0x3d8/0x1580 [ 9092.693197][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9092.693197][ T10] ip6_route_add+0x1c/0x140 [ 9092.693197][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9092.693197][ T10] inet6_addr_add+0x4f8/0xa40 [ 9092.693197][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9092.693197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9092.693197][ T10] netlink_rcv_skb+0x130/0x360 [ 9092.693197][ T10] netlink_unicast+0x449/0x710 [ 9092.693197][ T10] netlink_sendmsg+0x723/0xbe0 [ 9092.693197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9092.693197][ T10] ___sys_sendmsg+0xee/0x170 [ 9092.693197][ T10] __sys_sendmsg+0xcd/0x170 [ 9092.693197][ T10] do_syscall_64+0xc6/0x1e0 [ 9092.693197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9092.693197][ T10] [ 9092.695207][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9092.695207][ T10] netdev_get_by_index+0x5e/0x80 [ 9092.695207][ T10] fib6_nh_init+0x3d8/0x1580 [ 9092.695207][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9092.695207][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9092.695207][ T10] ipv6_add_addr+0x411/0x2000 [ 9092.695207][ T10] inet6_addr_add+0x30e/0xa40 [ 9092.695207][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9092.695207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9092.695207][ T10] netlink_rcv_skb+0x130/0x360 [ 9092.695207][ T10] netlink_unicast+0x449/0x710 [ 9092.695207][ T10] netlink_sendmsg+0x723/0xbe0 [ 9092.695207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9092.695207][ T10] ___sys_sendmsg+0xee/0x170 [ 9092.695207][ T10] __sys_sendmsg+0xcd/0x170 [ 9092.695207][ T10] do_syscall_64+0xc6/0x1e0 [ 9092.695207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9092.695207][ T10] [ 9092.697207][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9092.697207][ T10] netdev_get_by_index+0x5e/0x80 [ 9092.697207][ T10] fib6_nh_init+0x3d8/0x1580 [ 9092.697207][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9092.697207][ T10] ip6_route_add+0x1c/0x140 [ 9092.697207][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9092.697207][ T10] addrconf_add_dev+0xe2/0x170 [ 9092.697207][ T10] inet6_addr_add+0x12f/0xa40 [ 9092.697207][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9092.697207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9092.697207][ T10] netlink_rcv_skb+0x130/0x360 [ 9092.697207][ T10] netlink_unicast+0x449/0x710 [ 9092.697207][ T10] netlink_sendmsg+0x723/0xbe0 [ 9092.697207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9092.697207][ T10] ___sys_sendmsg+0xee/0x170 [ 9092.697207][ T10] __sys_sendmsg+0xcd/0x170 [ 9092.697207][ T10] do_syscall_64+0xc6/0x1e0 [ 9092.697207][ T10] [ 9092.699176][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9092.699176][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9092.699176][ T10] ipv6_find_idev+0x102/0x170 [ 9092.699176][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9092.699176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9092.699176][ T10] netlink_rcv_skb+0x130/0x360 [ 9092.699176][ T10] netlink_unicast+0x449/0x710 [ 9092.699176][ T10] netlink_sendmsg+0x723/0xbe0 [ 9092.699176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9092.699176][ T10] ___sys_sendmsg+0xee/0x170 [ 9092.699176][ T10] __sys_sendmsg+0xcd/0x170 [ 9092.699176][ T10] do_syscall_64+0xc6/0x1e0 [ 9092.699176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9092.699176][ T10] [ 9092.700720][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9092.700720][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9092.700720][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9092.700720][ T10] ipv6_find_idev+0x102/0x170 [ 9092.700720][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9092.700720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9092.700720][ T10] netlink_rcv_skb+0x130/0x360 [ 9092.700720][ T10] netlink_unicast+0x449/0x710 [ 9092.700720][ T10] netlink_sendmsg+0x723/0xbe0 [ 9092.700720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9092.700720][ T10] ___sys_sendmsg+0xee/0x170 [ 9092.700720][ T10] __sys_sendmsg+0xcd/0x170 [ 9092.700720][ T10] do_syscall_64+0xc6/0x1e0 [ 9092.700720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9092.700720][ T10] [ 9094.438835][ T42] INFO: task modprobe:12646 blocked for more than 368 seconds. [ 9094.439118][ T42] Not tainted 6.8.0-virtme #1 [ 9094.439237][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 9094.439437][ T42] task:modprobe state:D stack:25856 pid:12646 tgid:12646 ppid:44 flags:0x00004002 [ 9094.439742][ T42] Call Trace: [ 9094.439837][ T42] [ 9094.439907][ T42] __schedule+0x705/0x1ac0 [ 9094.440049][ T42] ? __pfx___schedule+0x10/0x10 [ 9094.440172][ T42] ? schedule+0x1a5/0x210 [ 9094.440268][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 9094.440398][ T42] ? mark_lock+0x38/0x3e0 [ 9094.440510][ T42] ? do_raw_spin_lock+0x131/0x270 [ 9094.440640][ T42] ? schedule+0x1a5/0x210 [ 9094.440749][ T42] schedule+0xdf/0x210 [ 9094.440844][ T42] schedule_preempt_disabled+0x15/0x30 [ 9094.440973][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 9094.441102][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 9094.441259][ T42] ? __pfx_console_unlock+0x10/0x10 [ 9094.441383][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 9094.441513][ T42] ? lock_acquire+0x1c1/0x220 [ 9094.441635][ T42] ? register_pernet_subsys+0x1a/0x50 [ 9094.441777][ T42] down_write+0x1c9/0x200 [ 9094.441872][ T42] ? __pfx_down_write+0x10/0x10 [ 9094.442003][ T42] ? __pfx__printk+0x10/0x10 [ 9094.442148][ T42] ? __pfx___lock_release+0x10/0x10 [ 9094.442277][ T42] register_pernet_subsys+0x1a/0x50 [ 9094.442400][ T42] tcf_register_action+0xa3/0x600 [ 9094.442527][ T42] ? __pfx_gact_init_module+0x10/0x10 [act_gact] [ 9094.442686][ T42] do_one_initcall+0xc8/0x3f0 [ 9094.442828][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 9094.442964][ T42] ? __create_object+0x5e/0xb0 [ 9094.443097][ T42] ? kasan_unpoison+0x27/0x60 [ 9094.443226][ T42] do_init_module+0x233/0x740 [ 9094.443360][ T42] load_module+0x16b5/0x2350 [ 9094.443496][ T42] ? __pfx_load_module+0x10/0x10 [ 9094.443620][ T42] ? kernel_read_file+0x3d2/0x520 [ 9094.443761][ T42] ? kernel_read_file+0x300/0x520 [ 9094.443888][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 9094.444020][ T42] ? init_module_from_file+0xd2/0x130 [ 9094.444143][ T42] init_module_from_file+0xd2/0x130 [ 9094.444271][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 9094.444423][ T42] ? __lock_release+0x103/0x460 [ 9094.444551][ T42] ? idempotent_init_module+0x32a/0x620 [ 9094.444685][ T42] ? idempotent_init_module+0x32a/0x620 [ 9094.444817][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 9094.444945][ T42] idempotent_init_module+0x342/0x620 [ 9094.445072][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 9094.445249][ T42] __x64_sys_finit_module+0xbe/0x130 [ 9094.445383][ T42] do_syscall_64+0xc6/0x1e0 [ 9094.445510][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9094.445664][ T42] RIP: 0033:0x7fac120f1e5d [ 9094.445798][ T42] RSP: 002b:00007ffc57d8a578 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 9094.445985][ T42] RAX: ffffffffffffffda RBX: 0000557fdddd7c80 RCX: 00007fac120f1e5d [ 9094.446173][ T42] RDX: 0000000000000000 RSI: 0000557fb6aeba2a RDI: 0000000000000000 [ 9094.446357][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffc57d8a6b0 [ 9094.446538][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557fb6aeba2a [ 9094.446731][ T42] R13: 0000557fdddd7ac0 R14: 0000557fdddd80b0 R15: 0000557fdddd7cf1 [ 9094.446930][ T42] [ 9094.447024][ T42] [ 9094.447024][ T42] Showing all locks held in the system: [ 9094.447207][ T42] 3 locks held by kworker/u16:0/10: [ 9094.447326][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 9094.447575][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 9094.447803][ T42] #2: ffffffff91f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 9094.448026][ T42] 1 lock held by khungtaskd/42: [ 9094.448149][ T42] #0: ffffffff917591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 9094.448367][ T42] 2 locks held by kworker/u17:1/44: [ 9094.448487][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 9094.448737][ T42] #1: ffffc90000317da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 9094.449022][ T42] 1 lock held by modprobe/12646: [ 9094.449141][ T42] #0: ffffffff91f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 9094.449389][ T42] [ 9094.449449][ T42] ============================================= [ 9094.449449][ T42] [ 9102.646869][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9102.647411][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9102.647411][T12167] netdev_get_by_index+0x5e/0x80 [ 9102.647411][T12167] fib6_nh_init+0x3d8/0x1580 [ 9102.647411][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9102.647411][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9102.647411][T12167] ipv6_add_addr+0x411/0x2000 [ 9102.647411][T12167] inet6_addr_add+0x30e/0xa40 [ 9102.647411][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9102.647411][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9102.647411][T12167] netlink_rcv_skb+0x130/0x360 [ 9102.647411][T12167] netlink_unicast+0x449/0x710 [ 9102.647411][T12167] netlink_sendmsg+0x723/0xbe0 [ 9102.647411][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9102.647411][T12167] ___sys_sendmsg+0xee/0x170 [ 9102.647411][T12167] __sys_sendmsg+0xcd/0x170 [ 9102.647411][T12167] do_syscall_64+0xc6/0x1e0 [ 9102.647411][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9102.647411][T12167] [ 9102.649724][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9102.649724][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9102.649724][T12167] ipv6_find_idev+0x102/0x170 [ 9102.649724][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9102.649724][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9102.649724][T12167] netlink_rcv_skb+0x130/0x360 [ 9102.649724][T12167] netlink_unicast+0x449/0x710 [ 9102.649724][T12167] netlink_sendmsg+0x723/0xbe0 [ 9102.649724][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9102.649724][T12167] ___sys_sendmsg+0xee/0x170 [ 9102.649724][T12167] __sys_sendmsg+0xcd/0x170 [ 9102.649724][T12167] do_syscall_64+0xc6/0x1e0 [ 9102.649724][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9102.649724][T12167] [ 9102.651495][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9102.651495][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9102.651495][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9102.651495][T12167] ipv6_find_idev+0x102/0x170 [ 9102.651495][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9102.651495][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9102.651495][T12167] netlink_rcv_skb+0x130/0x360 [ 9102.651495][T12167] netlink_unicast+0x449/0x710 [ 9102.651495][T12167] netlink_sendmsg+0x723/0xbe0 [ 9102.651495][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9102.651495][T12167] ___sys_sendmsg+0xee/0x170 [ 9102.651495][T12167] __sys_sendmsg+0xcd/0x170 [ 9102.651495][T12167] do_syscall_64+0xc6/0x1e0 [ 9102.651495][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9102.651495][T12167] [ 9102.942923][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9102.943338][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9102.943338][ T10] dst_init+0x84/0x4a0 [ 9102.943338][ T10] dst_alloc+0x97/0x150 [ 9102.943338][ T10] ip6_dst_alloc+0x23/0x90 [ 9102.943338][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9102.943338][ T10] ip6_pol_route+0x56f/0x840 [ 9102.943338][ T10] fib6_rule_lookup+0x334/0x630 [ 9102.943338][ T10] ip6_route_output_flags+0x259/0x480 [ 9102.943338][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9102.943338][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9102.943338][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9102.943338][ T10] ____sys_sendmsg+0x772/0xa10 [ 9102.943338][ T10] ___sys_sendmsg+0xee/0x170 [ 9102.943338][ T10] __sys_sendmsg+0xcd/0x170 [ 9102.943338][ T10] do_syscall_64+0xc6/0x1e0 [ 9102.943338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9102.943338][ T10] [ 9102.945237][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9102.945237][ T10] dst_init+0x84/0x4a0 [ 9102.945237][ T10] dst_alloc+0x97/0x150 [ 9102.945237][ T10] ip6_dst_alloc+0x23/0x90 [ 9102.945237][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9102.945237][ T10] ip6_pol_route+0x56f/0x840 [ 9102.945237][ T10] fib6_rule_lookup+0x334/0x630 [ 9102.945237][ T10] ip6_route_output_flags+0x259/0x480 [ 9102.945237][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9102.945237][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9102.945237][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9102.945237][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9102.945237][ T10] ____sys_sendmsg+0x772/0xa10 [ 9102.945237][ T10] ___sys_sendmsg+0xee/0x170 [ 9102.945237][ T10] __sys_sendmsg+0xcd/0x170 [ 9102.945237][ T10] do_syscall_64+0xc6/0x1e0 [ 9102.945237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9102.945237][ T10] [ 9102.947239][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9102.947239][ T10] dst_init+0x84/0x4a0 [ 9102.947239][ T10] dst_alloc+0x97/0x150 [ 9102.947239][ T10] ip6_dst_alloc+0x23/0x90 [ 9102.947239][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9102.947239][ T10] ip6_pol_route+0x56f/0x840 [ 9102.947239][ T10] fib6_rule_lookup+0x334/0x630 [ 9102.947239][ T10] ip6_route_output_flags+0x259/0x480 [ 9102.947239][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9102.947239][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9102.947239][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9102.947239][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9102.947239][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9102.947239][ T10] ___sys_sendmsg+0xee/0x170 [ 9102.947239][ T10] __sys_sendmsg+0xcd/0x170 [ 9102.947239][ T10] do_syscall_64+0xc6/0x1e0 [ 9102.947239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9102.947239][ T10] [ 9102.949241][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9102.949241][ T10] netdev_get_by_index+0x5e/0x80 [ 9102.949241][ T10] fib6_nh_init+0x3d8/0x1580 [ 9102.949241][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9102.949241][ T10] ip6_route_add+0x1c/0x140 [ 9102.949241][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9102.949241][ T10] inet6_addr_add+0x4f8/0xa40 [ 9102.949241][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9102.949241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9102.949241][ T10] netlink_rcv_skb+0x130/0x360 [ 9102.949241][ T10] netlink_unicast+0x449/0x710 [ 9102.949241][ T10] netlink_sendmsg+0x723/0xbe0 [ 9102.949241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9102.949241][ T10] ___sys_sendmsg+0xee/0x170 [ 9102.949241][ T10] __sys_sendmsg+0xcd/0x170 [ 9102.949241][ T10] do_syscall_64+0xc6/0x1e0 [ 9102.949241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9102.949241][ T10] [ 9102.951242][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9102.951242][ T10] netdev_get_by_index+0x5e/0x80 [ 9102.951242][ T10] fib6_nh_init+0x3d8/0x1580 [ 9102.951242][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9102.951242][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9102.951242][ T10] ipv6_add_addr+0x411/0x2000 [ 9102.951242][ T10] inet6_addr_add+0x30e/0xa40 [ 9102.951242][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9102.951242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9102.951242][ T10] netlink_rcv_skb+0x130/0x360 [ 9102.951242][ T10] netlink_unicast+0x449/0x710 [ 9102.951242][ T10] netlink_sendmsg+0x723/0xbe0 [ 9102.951242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9102.951242][ T10] ___sys_sendmsg+0xee/0x170 [ 9102.951242][ T10] __sys_sendmsg+0xcd/0x170 [ 9102.951242][ T10] do_syscall_64+0xc6/0x1e0 [ 9102.951242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9102.951242][ T10] [ 9102.953250][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9102.953250][ T10] netdev_get_by_index+0x5e/0x80 [ 9102.953250][ T10] fib6_nh_init+0x3d8/0x1580 [ 9102.953250][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9102.953250][ T10] ip6_route_add+0x1c/0x140 [ 9102.953250][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9102.953250][ T10] addrconf_add_dev+0xe2/0x170 [ 9102.953250][ T10] inet6_addr_add+0x12f/0xa40 [ 9102.953250][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9102.953250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9102.953250][ T10] netlink_rcv_skb+0x130/0x360 [ 9102.953250][ T10] netlink_unicast+0x449/0x710 [ 9102.953250][ T10] netlink_sendmsg+0x723/0xbe0 [ 9102.953250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9102.953250][ T10] ___sys_sendmsg+0xee/0x170 [ 9102.953250][ T10] __sys_sendmsg+0xcd/0x170 [ 9102.953250][ T10] do_syscall_64+0xc6/0x1e0 [ 9102.953250][ T10] [ 9102.955213][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9102.955213][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9102.955213][ T10] ipv6_find_idev+0x102/0x170 [ 9102.955213][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9102.955213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9102.955213][ T10] netlink_rcv_skb+0x130/0x360 [ 9102.955213][ T10] netlink_unicast+0x449/0x710 [ 9102.955213][ T10] netlink_sendmsg+0x723/0xbe0 [ 9102.955213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9102.955213][ T10] ___sys_sendmsg+0xee/0x170 [ 9102.955213][ T10] __sys_sendmsg+0xcd/0x170 [ 9102.955213][ T10] do_syscall_64+0xc6/0x1e0 [ 9102.955213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9102.955213][ T10] [ 9102.956753][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9102.956753][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9102.956753][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9102.956753][ T10] ipv6_find_idev+0x102/0x170 [ 9102.956753][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9102.956753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9102.956753][ T10] netlink_rcv_skb+0x130/0x360 [ 9102.956753][ T10] netlink_unicast+0x449/0x710 [ 9102.956753][ T10] netlink_sendmsg+0x723/0xbe0 [ 9102.956753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9102.956753][ T10] ___sys_sendmsg+0xee/0x170 [ 9102.956753][ T10] __sys_sendmsg+0xcd/0x170 [ 9102.956753][ T10] do_syscall_64+0xc6/0x1e0 [ 9102.956753][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9102.956753][ T10] [ 9112.894897][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9112.895412][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9112.895412][T12167] netdev_get_by_index+0x5e/0x80 [ 9112.895412][T12167] fib6_nh_init+0x3d8/0x1580 [ 9112.895412][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9112.895412][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9112.895412][T12167] ipv6_add_addr+0x411/0x2000 [ 9112.895412][T12167] inet6_addr_add+0x30e/0xa40 [ 9112.895412][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9112.895412][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9112.895412][T12167] netlink_rcv_skb+0x130/0x360 [ 9112.895412][T12167] netlink_unicast+0x449/0x710 [ 9112.895412][T12167] netlink_sendmsg+0x723/0xbe0 [ 9112.895412][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9112.895412][T12167] ___sys_sendmsg+0xee/0x170 [ 9112.895412][T12167] __sys_sendmsg+0xcd/0x170 [ 9112.895412][T12167] do_syscall_64+0xc6/0x1e0 [ 9112.895412][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9112.895412][T12167] [ 9112.897722][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9112.897722][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9112.897722][T12167] ipv6_find_idev+0x102/0x170 [ 9112.897722][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9112.897722][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9112.897722][T12167] netlink_rcv_skb+0x130/0x360 [ 9112.897722][T12167] netlink_unicast+0x449/0x710 [ 9112.897722][T12167] netlink_sendmsg+0x723/0xbe0 [ 9112.897722][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9112.897722][T12167] ___sys_sendmsg+0xee/0x170 [ 9112.897722][T12167] __sys_sendmsg+0xcd/0x170 [ 9112.897722][T12167] do_syscall_64+0xc6/0x1e0 [ 9112.897722][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9112.897722][T12167] [ 9112.899481][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9112.899481][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9112.899481][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9112.899481][T12167] ipv6_find_idev+0x102/0x170 [ 9112.899481][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9112.899481][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9112.899481][T12167] netlink_rcv_skb+0x130/0x360 [ 9112.899481][T12167] netlink_unicast+0x449/0x710 [ 9112.899481][T12167] netlink_sendmsg+0x723/0xbe0 [ 9112.899481][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9112.899481][T12167] ___sys_sendmsg+0xee/0x170 [ 9112.899481][T12167] __sys_sendmsg+0xcd/0x170 [ 9112.899481][T12167] do_syscall_64+0xc6/0x1e0 [ 9112.899481][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9112.899481][T12167] [ 9113.198801][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9113.199198][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9113.199198][ T10] dst_init+0x84/0x4a0 [ 9113.199198][ T10] dst_alloc+0x97/0x150 [ 9113.199198][ T10] ip6_dst_alloc+0x23/0x90 [ 9113.199198][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9113.199198][ T10] ip6_pol_route+0x56f/0x840 [ 9113.199198][ T10] fib6_rule_lookup+0x334/0x630 [ 9113.199198][ T10] ip6_route_output_flags+0x259/0x480 [ 9113.199198][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9113.199198][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9113.199198][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9113.199198][ T10] ____sys_sendmsg+0x772/0xa10 [ 9113.199198][ T10] ___sys_sendmsg+0xee/0x170 [ 9113.199198][ T10] __sys_sendmsg+0xcd/0x170 [ 9113.199198][ T10] do_syscall_64+0xc6/0x1e0 [ 9113.199198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9113.199198][ T10] [ 9113.201244][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9113.201244][ T10] dst_init+0x84/0x4a0 [ 9113.201244][ T10] dst_alloc+0x97/0x150 [ 9113.201244][ T10] ip6_dst_alloc+0x23/0x90 [ 9113.201244][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9113.201244][ T10] ip6_pol_route+0x56f/0x840 [ 9113.201244][ T10] fib6_rule_lookup+0x334/0x630 [ 9113.201244][ T10] ip6_route_output_flags+0x259/0x480 [ 9113.201244][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9113.201244][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9113.201244][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9113.201244][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9113.201244][ T10] ____sys_sendmsg+0x772/0xa10 [ 9113.201244][ T10] ___sys_sendmsg+0xee/0x170 [ 9113.201244][ T10] __sys_sendmsg+0xcd/0x170 [ 9113.201244][ T10] do_syscall_64+0xc6/0x1e0 [ 9113.201244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9113.201244][ T10] [ 9113.203242][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9113.203242][ T10] dst_init+0x84/0x4a0 [ 9113.203242][ T10] dst_alloc+0x97/0x150 [ 9113.203242][ T10] ip6_dst_alloc+0x23/0x90 [ 9113.203242][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9113.203242][ T10] ip6_pol_route+0x56f/0x840 [ 9113.203242][ T10] fib6_rule_lookup+0x334/0x630 [ 9113.203242][ T10] ip6_route_output_flags+0x259/0x480 [ 9113.203242][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9113.203242][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9113.203242][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9113.203242][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9113.203242][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9113.203242][ T10] ___sys_sendmsg+0xee/0x170 [ 9113.203242][ T10] __sys_sendmsg+0xcd/0x170 [ 9113.203242][ T10] do_syscall_64+0xc6/0x1e0 [ 9113.203242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9113.203242][ T10] [ 9113.205235][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9113.205235][ T10] netdev_get_by_index+0x5e/0x80 [ 9113.205235][ T10] fib6_nh_init+0x3d8/0x1580 [ 9113.205235][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9113.205235][ T10] ip6_route_add+0x1c/0x140 [ 9113.205235][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9113.205235][ T10] inet6_addr_add+0x4f8/0xa40 [ 9113.205235][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9113.205235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9113.205235][ T10] netlink_rcv_skb+0x130/0x360 [ 9113.205235][ T10] netlink_unicast+0x449/0x710 [ 9113.205235][ T10] netlink_sendmsg+0x723/0xbe0 [ 9113.205235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9113.205235][ T10] ___sys_sendmsg+0xee/0x170 [ 9113.205235][ T10] __sys_sendmsg+0xcd/0x170 [ 9113.205235][ T10] do_syscall_64+0xc6/0x1e0 [ 9113.205235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9113.205235][ T10] [ 9113.207233][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9113.207233][ T10] netdev_get_by_index+0x5e/0x80 [ 9113.207233][ T10] fib6_nh_init+0x3d8/0x1580 [ 9113.207233][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9113.207233][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9113.207233][ T10] ipv6_add_addr+0x411/0x2000 [ 9113.207233][ T10] inet6_addr_add+0x30e/0xa40 [ 9113.207233][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9113.207233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9113.207233][ T10] netlink_rcv_skb+0x130/0x360 [ 9113.207233][ T10] netlink_unicast+0x449/0x710 [ 9113.207233][ T10] netlink_sendmsg+0x723/0xbe0 [ 9113.207233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9113.207233][ T10] ___sys_sendmsg+0xee/0x170 [ 9113.207233][ T10] __sys_sendmsg+0xcd/0x170 [ 9113.207233][ T10] do_syscall_64+0xc6/0x1e0 [ 9113.207233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9113.207233][ T10] [ 9113.209228][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9113.209228][ T10] netdev_get_by_index+0x5e/0x80 [ 9113.209228][ T10] fib6_nh_init+0x3d8/0x1580 [ 9113.209228][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9113.209228][ T10] ip6_route_add+0x1c/0x140 [ 9113.209228][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9113.209228][ T10] addrconf_add_dev+0xe2/0x170 [ 9113.209228][ T10] inet6_addr_add+0x12f/0xa40 [ 9113.209228][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9113.209228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9113.209228][ T10] netlink_rcv_skb+0x130/0x360 [ 9113.209228][ T10] netlink_unicast+0x449/0x710 [ 9113.209228][ T10] netlink_sendmsg+0x723/0xbe0 [ 9113.209228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9113.209228][ T10] ___sys_sendmsg+0xee/0x170 [ 9113.209228][ T10] __sys_sendmsg+0xcd/0x170 [ 9113.209228][ T10] do_syscall_64+0xc6/0x1e0 [ 9113.209228][ T10] [ 9113.211197][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9113.211197][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9113.211197][ T10] ipv6_find_idev+0x102/0x170 [ 9113.211197][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9113.211197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9113.211197][ T10] netlink_rcv_skb+0x130/0x360 [ 9113.211197][ T10] netlink_unicast+0x449/0x710 [ 9113.211197][ T10] netlink_sendmsg+0x723/0xbe0 [ 9113.211197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9113.211197][ T10] ___sys_sendmsg+0xee/0x170 [ 9113.211197][ T10] __sys_sendmsg+0xcd/0x170 [ 9113.211197][ T10] do_syscall_64+0xc6/0x1e0 [ 9113.211197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9113.211197][ T10] [ 9113.212739][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9113.212739][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9113.212739][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9113.212739][ T10] ipv6_find_idev+0x102/0x170 [ 9113.212739][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9113.212739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9113.212739][ T10] netlink_rcv_skb+0x130/0x360 [ 9113.212739][ T10] netlink_unicast+0x449/0x710 [ 9113.212739][ T10] netlink_sendmsg+0x723/0xbe0 [ 9113.212739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9113.212739][ T10] ___sys_sendmsg+0xee/0x170 [ 9113.212739][ T10] __sys_sendmsg+0xcd/0x170 [ 9113.212739][ T10] do_syscall_64+0xc6/0x1e0 [ 9113.212739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9113.212739][ T10] [ 9123.142882][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9123.143317][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9123.143317][T12167] netdev_get_by_index+0x5e/0x80 [ 9123.143317][T12167] fib6_nh_init+0x3d8/0x1580 [ 9123.143317][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9123.143317][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9123.143317][T12167] ipv6_add_addr+0x411/0x2000 [ 9123.143317][T12167] inet6_addr_add+0x30e/0xa40 [ 9123.143317][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9123.143317][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9123.143317][T12167] netlink_rcv_skb+0x130/0x360 [ 9123.143317][T12167] netlink_unicast+0x449/0x710 [ 9123.143317][T12167] netlink_sendmsg+0x723/0xbe0 [ 9123.143317][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9123.143317][T12167] ___sys_sendmsg+0xee/0x170 [ 9123.143317][T12167] __sys_sendmsg+0xcd/0x170 [ 9123.143317][T12167] do_syscall_64+0xc6/0x1e0 [ 9123.143317][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9123.143317][T12167] [ 9123.145623][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9123.145623][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9123.145623][T12167] ipv6_find_idev+0x102/0x170 [ 9123.145623][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9123.145623][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9123.145623][T12167] netlink_rcv_skb+0x130/0x360 [ 9123.145623][T12167] netlink_unicast+0x449/0x710 [ 9123.145623][T12167] netlink_sendmsg+0x723/0xbe0 [ 9123.145623][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9123.145623][T12167] ___sys_sendmsg+0xee/0x170 [ 9123.145623][T12167] __sys_sendmsg+0xcd/0x170 [ 9123.145623][T12167] do_syscall_64+0xc6/0x1e0 [ 9123.145623][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9123.145623][T12167] [ 9123.147358][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9123.147358][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9123.147358][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9123.147358][T12167] ipv6_find_idev+0x102/0x170 [ 9123.147358][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9123.147358][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9123.147358][T12167] netlink_rcv_skb+0x130/0x360 [ 9123.147358][T12167] netlink_unicast+0x449/0x710 [ 9123.147358][T12167] netlink_sendmsg+0x723/0xbe0 [ 9123.147358][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9123.147358][T12167] ___sys_sendmsg+0xee/0x170 [ 9123.147358][T12167] __sys_sendmsg+0xcd/0x170 [ 9123.147358][T12167] do_syscall_64+0xc6/0x1e0 [ 9123.147358][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9123.147358][T12167] [ 9123.454877][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9123.455291][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9123.455291][ T10] dst_init+0x84/0x4a0 [ 9123.455291][ T10] dst_alloc+0x97/0x150 [ 9123.455291][ T10] ip6_dst_alloc+0x23/0x90 [ 9123.455291][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9123.455291][ T10] ip6_pol_route+0x56f/0x840 [ 9123.455291][ T10] fib6_rule_lookup+0x334/0x630 [ 9123.455291][ T10] ip6_route_output_flags+0x259/0x480 [ 9123.455291][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9123.455291][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9123.455291][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9123.455291][ T10] ____sys_sendmsg+0x772/0xa10 [ 9123.455291][ T10] ___sys_sendmsg+0xee/0x170 [ 9123.455291][ T10] __sys_sendmsg+0xcd/0x170 [ 9123.455291][ T10] do_syscall_64+0xc6/0x1e0 [ 9123.455291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9123.455291][ T10] [ 9123.457239][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9123.457239][ T10] dst_init+0x84/0x4a0 [ 9123.457239][ T10] dst_alloc+0x97/0x150 [ 9123.457239][ T10] ip6_dst_alloc+0x23/0x90 [ 9123.457239][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9123.457239][ T10] ip6_pol_route+0x56f/0x840 [ 9123.457239][ T10] fib6_rule_lookup+0x334/0x630 [ 9123.457239][ T10] ip6_route_output_flags+0x259/0x480 [ 9123.457239][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9123.457239][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9123.457239][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9123.457239][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9123.457239][ T10] ____sys_sendmsg+0x772/0xa10 [ 9123.457239][ T10] ___sys_sendmsg+0xee/0x170 [ 9123.457239][ T10] __sys_sendmsg+0xcd/0x170 [ 9123.457239][ T10] do_syscall_64+0xc6/0x1e0 [ 9123.457239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9123.457239][ T10] [ 9123.459247][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9123.459247][ T10] dst_init+0x84/0x4a0 [ 9123.459247][ T10] dst_alloc+0x97/0x150 [ 9123.459247][ T10] ip6_dst_alloc+0x23/0x90 [ 9123.459247][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9123.459247][ T10] ip6_pol_route+0x56f/0x840 [ 9123.459247][ T10] fib6_rule_lookup+0x334/0x630 [ 9123.459247][ T10] ip6_route_output_flags+0x259/0x480 [ 9123.459247][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9123.459247][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9123.459247][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9123.459247][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9123.459247][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9123.459247][ T10] ___sys_sendmsg+0xee/0x170 [ 9123.459247][ T10] __sys_sendmsg+0xcd/0x170 [ 9123.459247][ T10] do_syscall_64+0xc6/0x1e0 [ 9123.459247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9123.459247][ T10] [ 9123.461254][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9123.461254][ T10] netdev_get_by_index+0x5e/0x80 [ 9123.461254][ T10] fib6_nh_init+0x3d8/0x1580 [ 9123.461254][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9123.461254][ T10] ip6_route_add+0x1c/0x140 [ 9123.461254][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9123.461254][ T10] inet6_addr_add+0x4f8/0xa40 [ 9123.461254][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9123.461254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9123.461254][ T10] netlink_rcv_skb+0x130/0x360 [ 9123.461254][ T10] netlink_unicast+0x449/0x710 [ 9123.461254][ T10] netlink_sendmsg+0x723/0xbe0 [ 9123.461254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9123.461254][ T10] ___sys_sendmsg+0xee/0x170 [ 9123.461254][ T10] __sys_sendmsg+0xcd/0x170 [ 9123.461254][ T10] do_syscall_64+0xc6/0x1e0 [ 9123.461254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9123.461254][ T10] [ 9123.463278][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9123.463278][ T10] netdev_get_by_index+0x5e/0x80 [ 9123.463278][ T10] fib6_nh_init+0x3d8/0x1580 [ 9123.463278][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9123.463278][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9123.463278][ T10] ipv6_add_addr+0x411/0x2000 [ 9123.463278][ T10] inet6_addr_add+0x30e/0xa40 [ 9123.463278][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9123.463278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9123.463278][ T10] netlink_rcv_skb+0x130/0x360 [ 9123.463278][ T10] netlink_unicast+0x449/0x710 [ 9123.463278][ T10] netlink_sendmsg+0x723/0xbe0 [ 9123.463278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9123.463278][ T10] ___sys_sendmsg+0xee/0x170 [ 9123.463278][ T10] __sys_sendmsg+0xcd/0x170 [ 9123.463278][ T10] do_syscall_64+0xc6/0x1e0 [ 9123.463278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9123.463278][ T10] [ 9123.465295][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9123.465295][ T10] netdev_get_by_index+0x5e/0x80 [ 9123.465295][ T10] fib6_nh_init+0x3d8/0x1580 [ 9123.465295][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9123.465295][ T10] ip6_route_add+0x1c/0x140 [ 9123.465295][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9123.465295][ T10] addrconf_add_dev+0xe2/0x170 [ 9123.465295][ T10] inet6_addr_add+0x12f/0xa40 [ 9123.465295][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9123.465295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9123.465295][ T10] netlink_rcv_skb+0x130/0x360 [ 9123.465295][ T10] netlink_unicast+0x449/0x710 [ 9123.465295][ T10] netlink_sendmsg+0x723/0xbe0 [ 9123.465295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9123.465295][ T10] ___sys_sendmsg+0xee/0x170 [ 9123.465295][ T10] __sys_sendmsg+0xcd/0x170 [ 9123.465295][ T10] do_syscall_64+0xc6/0x1e0 [ 9123.465295][ T10] [ 9123.467274][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9123.467274][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9123.467274][ T10] ipv6_find_idev+0x102/0x170 [ 9123.467274][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9123.467274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9123.467274][ T10] netlink_rcv_skb+0x130/0x360 [ 9123.467274][ T10] netlink_unicast+0x449/0x710 [ 9123.467274][ T10] netlink_sendmsg+0x723/0xbe0 [ 9123.467274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9123.467274][ T10] ___sys_sendmsg+0xee/0x170 [ 9123.467274][ T10] __sys_sendmsg+0xcd/0x170 [ 9123.467274][ T10] do_syscall_64+0xc6/0x1e0 [ 9123.467274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9123.467274][ T10] [ 9123.468826][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9123.468826][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9123.468826][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9123.468826][ T10] ipv6_find_idev+0x102/0x170 [ 9123.468826][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9123.468826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9123.468826][ T10] netlink_rcv_skb+0x130/0x360 [ 9123.468826][ T10] netlink_unicast+0x449/0x710 [ 9123.468826][ T10] netlink_sendmsg+0x723/0xbe0 [ 9123.468826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9123.468826][ T10] ___sys_sendmsg+0xee/0x170 [ 9123.468826][ T10] __sys_sendmsg+0xcd/0x170 [ 9123.468826][ T10] do_syscall_64+0xc6/0x1e0 [ 9123.468826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9123.468826][ T10] [ 9133.398838][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9133.399340][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9133.399340][T12167] netdev_get_by_index+0x5e/0x80 [ 9133.399340][T12167] fib6_nh_init+0x3d8/0x1580 [ 9133.399340][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9133.399340][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9133.399340][T12167] ipv6_add_addr+0x411/0x2000 [ 9133.399340][T12167] inet6_addr_add+0x30e/0xa40 [ 9133.399340][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9133.399340][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9133.399340][T12167] netlink_rcv_skb+0x130/0x360 [ 9133.399340][T12167] netlink_unicast+0x449/0x710 [ 9133.399340][T12167] netlink_sendmsg+0x723/0xbe0 [ 9133.399340][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9133.399340][T12167] ___sys_sendmsg+0xee/0x170 [ 9133.399340][T12167] __sys_sendmsg+0xcd/0x170 [ 9133.399340][T12167] do_syscall_64+0xc6/0x1e0 [ 9133.399340][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9133.399340][T12167] [ 9133.401607][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9133.401607][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9133.401607][T12167] ipv6_find_idev+0x102/0x170 [ 9133.401607][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9133.401607][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9133.401607][T12167] netlink_rcv_skb+0x130/0x360 [ 9133.401607][T12167] netlink_unicast+0x449/0x710 [ 9133.401607][T12167] netlink_sendmsg+0x723/0xbe0 [ 9133.401607][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9133.401607][T12167] ___sys_sendmsg+0xee/0x170 [ 9133.401607][T12167] __sys_sendmsg+0xcd/0x170 [ 9133.401607][T12167] do_syscall_64+0xc6/0x1e0 [ 9133.401607][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9133.401607][T12167] [ 9133.403356][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9133.403356][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9133.403356][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9133.403356][T12167] ipv6_find_idev+0x102/0x170 [ 9133.403356][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9133.403356][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9133.403356][T12167] netlink_rcv_skb+0x130/0x360 [ 9133.403356][T12167] netlink_unicast+0x449/0x710 [ 9133.403356][T12167] netlink_sendmsg+0x723/0xbe0 [ 9133.403356][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9133.403356][T12167] ___sys_sendmsg+0xee/0x170 [ 9133.403356][T12167] __sys_sendmsg+0xcd/0x170 [ 9133.403356][T12167] do_syscall_64+0xc6/0x1e0 [ 9133.403356][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9133.403356][T12167] [ 9133.654873][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9133.655322][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9133.655322][ T10] dst_init+0x84/0x4a0 [ 9133.655322][ T10] dst_alloc+0x97/0x150 [ 9133.655322][ T10] ip6_dst_alloc+0x23/0x90 [ 9133.655322][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9133.655322][ T10] ip6_pol_route+0x56f/0x840 [ 9133.655322][ T10] fib6_rule_lookup+0x334/0x630 [ 9133.655322][ T10] ip6_route_output_flags+0x259/0x480 [ 9133.655322][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9133.655322][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9133.655322][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9133.655322][ T10] ____sys_sendmsg+0x772/0xa10 [ 9133.655322][ T10] ___sys_sendmsg+0xee/0x170 [ 9133.655322][ T10] __sys_sendmsg+0xcd/0x170 [ 9133.655322][ T10] do_syscall_64+0xc6/0x1e0 [ 9133.655322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9133.655322][ T10] [ 9133.657237][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9133.657237][ T10] dst_init+0x84/0x4a0 [ 9133.657237][ T10] dst_alloc+0x97/0x150 [ 9133.657237][ T10] ip6_dst_alloc+0x23/0x90 [ 9133.657237][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9133.657237][ T10] ip6_pol_route+0x56f/0x840 [ 9133.657237][ T10] fib6_rule_lookup+0x334/0x630 [ 9133.657237][ T10] ip6_route_output_flags+0x259/0x480 [ 9133.657237][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9133.657237][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9133.657237][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9133.657237][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9133.657237][ T10] ____sys_sendmsg+0x772/0xa10 [ 9133.657237][ T10] ___sys_sendmsg+0xee/0x170 [ 9133.657237][ T10] __sys_sendmsg+0xcd/0x170 [ 9133.657237][ T10] do_syscall_64+0xc6/0x1e0 [ 9133.657237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9133.657237][ T10] [ 9133.659247][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9133.659247][ T10] dst_init+0x84/0x4a0 [ 9133.659247][ T10] dst_alloc+0x97/0x150 [ 9133.659247][ T10] ip6_dst_alloc+0x23/0x90 [ 9133.659247][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9133.659247][ T10] ip6_pol_route+0x56f/0x840 [ 9133.659247][ T10] fib6_rule_lookup+0x334/0x630 [ 9133.659247][ T10] ip6_route_output_flags+0x259/0x480 [ 9133.659247][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9133.659247][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9133.659247][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9133.659247][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9133.659247][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9133.659247][ T10] ___sys_sendmsg+0xee/0x170 [ 9133.659247][ T10] __sys_sendmsg+0xcd/0x170 [ 9133.659247][ T10] do_syscall_64+0xc6/0x1e0 [ 9133.659247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9133.659247][ T10] [ 9133.661259][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9133.661259][ T10] netdev_get_by_index+0x5e/0x80 [ 9133.661259][ T10] fib6_nh_init+0x3d8/0x1580 [ 9133.661259][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9133.661259][ T10] ip6_route_add+0x1c/0x140 [ 9133.661259][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9133.661259][ T10] inet6_addr_add+0x4f8/0xa40 [ 9133.661259][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9133.661259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9133.661259][ T10] netlink_rcv_skb+0x130/0x360 [ 9133.661259][ T10] netlink_unicast+0x449/0x710 [ 9133.661259][ T10] netlink_sendmsg+0x723/0xbe0 [ 9133.661259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9133.661259][ T10] ___sys_sendmsg+0xee/0x170 [ 9133.661259][ T10] __sys_sendmsg+0xcd/0x170 [ 9133.661259][ T10] do_syscall_64+0xc6/0x1e0 [ 9133.661259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9133.661259][ T10] [ 9133.663289][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9133.663289][ T10] netdev_get_by_index+0x5e/0x80 [ 9133.663289][ T10] fib6_nh_init+0x3d8/0x1580 [ 9133.663289][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9133.663289][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9133.663289][ T10] ipv6_add_addr+0x411/0x2000 [ 9133.663289][ T10] inet6_addr_add+0x30e/0xa40 [ 9133.663289][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9133.663289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9133.663289][ T10] netlink_rcv_skb+0x130/0x360 [ 9133.663289][ T10] netlink_unicast+0x449/0x710 [ 9133.663289][ T10] netlink_sendmsg+0x723/0xbe0 [ 9133.663289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9133.663289][ T10] ___sys_sendmsg+0xee/0x170 [ 9133.663289][ T10] __sys_sendmsg+0xcd/0x170 [ 9133.663289][ T10] do_syscall_64+0xc6/0x1e0 [ 9133.663289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9133.663289][ T10] [ 9133.665298][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9133.665298][ T10] netdev_get_by_index+0x5e/0x80 [ 9133.665298][ T10] fib6_nh_init+0x3d8/0x1580 [ 9133.665298][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9133.665298][ T10] ip6_route_add+0x1c/0x140 [ 9133.665298][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9133.665298][ T10] addrconf_add_dev+0xe2/0x170 [ 9133.665298][ T10] inet6_addr_add+0x12f/0xa40 [ 9133.665298][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9133.665298][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9133.665298][ T10] netlink_rcv_skb+0x130/0x360 [ 9133.665298][ T10] netlink_unicast+0x449/0x710 [ 9133.665298][ T10] netlink_sendmsg+0x723/0xbe0 [ 9133.665298][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9133.665298][ T10] ___sys_sendmsg+0xee/0x170 [ 9133.665298][ T10] __sys_sendmsg+0xcd/0x170 [ 9133.665298][ T10] do_syscall_64+0xc6/0x1e0 [ 9133.665298][ T10] [ 9133.667279][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9133.667279][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9133.667279][ T10] ipv6_find_idev+0x102/0x170 [ 9133.667279][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9133.667279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9133.667279][ T10] netlink_rcv_skb+0x130/0x360 [ 9133.667279][ T10] netlink_unicast+0x449/0x710 [ 9133.667279][ T10] netlink_sendmsg+0x723/0xbe0 [ 9133.667279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9133.667279][ T10] ___sys_sendmsg+0xee/0x170 [ 9133.667279][ T10] __sys_sendmsg+0xcd/0x170 [ 9133.667279][ T10] do_syscall_64+0xc6/0x1e0 [ 9133.667279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9133.667279][ T10] [ 9133.668830][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9133.668830][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9133.668830][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9133.668830][ T10] ipv6_find_idev+0x102/0x170 [ 9133.668830][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9133.668830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9133.668830][ T10] netlink_rcv_skb+0x130/0x360 [ 9133.668830][ T10] netlink_unicast+0x449/0x710 [ 9133.668830][ T10] netlink_sendmsg+0x723/0xbe0 [ 9133.668830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9133.668830][ T10] ___sys_sendmsg+0xee/0x170 [ 9133.668830][ T10] __sys_sendmsg+0xcd/0x170 [ 9133.668830][ T10] do_syscall_64+0xc6/0x1e0 [ 9133.668830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9133.668830][ T10] [ 9143.630831][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9143.631268][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9143.631268][T12167] netdev_get_by_index+0x5e/0x80 [ 9143.631268][T12167] fib6_nh_init+0x3d8/0x1580 [ 9143.631268][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9143.631268][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9143.631268][T12167] ipv6_add_addr+0x411/0x2000 [ 9143.631268][T12167] inet6_addr_add+0x30e/0xa40 [ 9143.631268][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9143.631268][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9143.631268][T12167] netlink_rcv_skb+0x130/0x360 [ 9143.631268][T12167] netlink_unicast+0x449/0x710 [ 9143.631268][T12167] netlink_sendmsg+0x723/0xbe0 [ 9143.631268][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9143.631268][T12167] ___sys_sendmsg+0xee/0x170 [ 9143.631268][T12167] __sys_sendmsg+0xcd/0x170 [ 9143.631268][T12167] do_syscall_64+0xc6/0x1e0 [ 9143.631268][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9143.631268][T12167] [ 9143.633547][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9143.633547][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9143.633547][T12167] ipv6_find_idev+0x102/0x170 [ 9143.633547][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9143.633547][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9143.633547][T12167] netlink_rcv_skb+0x130/0x360 [ 9143.633547][T12167] netlink_unicast+0x449/0x710 [ 9143.633547][T12167] netlink_sendmsg+0x723/0xbe0 [ 9143.633547][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9143.633547][T12167] ___sys_sendmsg+0xee/0x170 [ 9143.633547][T12167] __sys_sendmsg+0xcd/0x170 [ 9143.633547][T12167] do_syscall_64+0xc6/0x1e0 [ 9143.633547][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9143.633547][T12167] [ 9143.635285][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9143.635285][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9143.635285][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9143.635285][T12167] ipv6_find_idev+0x102/0x170 [ 9143.635285][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9143.635285][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9143.635285][T12167] netlink_rcv_skb+0x130/0x360 [ 9143.635285][T12167] netlink_unicast+0x449/0x710 [ 9143.635285][T12167] netlink_sendmsg+0x723/0xbe0 [ 9143.635285][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9143.635285][T12167] ___sys_sendmsg+0xee/0x170 [ 9143.635285][T12167] __sys_sendmsg+0xcd/0x170 [ 9143.635285][T12167] do_syscall_64+0xc6/0x1e0 [ 9143.635285][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9143.635285][T12167] [ 9143.886801][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9143.887204][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9143.887204][ T10] dst_init+0x84/0x4a0 [ 9143.887204][ T10] dst_alloc+0x97/0x150 [ 9143.887204][ T10] ip6_dst_alloc+0x23/0x90 [ 9143.887204][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9143.887204][ T10] ip6_pol_route+0x56f/0x840 [ 9143.887204][ T10] fib6_rule_lookup+0x334/0x630 [ 9143.887204][ T10] ip6_route_output_flags+0x259/0x480 [ 9143.887204][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9143.887204][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9143.887204][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9143.887204][ T10] ____sys_sendmsg+0x772/0xa10 [ 9143.887204][ T10] ___sys_sendmsg+0xee/0x170 [ 9143.887204][ T10] __sys_sendmsg+0xcd/0x170 [ 9143.887204][ T10] do_syscall_64+0xc6/0x1e0 [ 9143.887204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9143.887204][ T10] [ 9143.889119][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9143.889119][ T10] dst_init+0x84/0x4a0 [ 9143.889119][ T10] dst_alloc+0x97/0x150 [ 9143.889119][ T10] ip6_dst_alloc+0x23/0x90 [ 9143.889119][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9143.889119][ T10] ip6_pol_route+0x56f/0x840 [ 9143.889119][ T10] fib6_rule_lookup+0x334/0x630 [ 9143.889119][ T10] ip6_route_output_flags+0x259/0x480 [ 9143.889119][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9143.889119][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9143.889119][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9143.889119][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9143.889119][ T10] ____sys_sendmsg+0x772/0xa10 [ 9143.889119][ T10] ___sys_sendmsg+0xee/0x170 [ 9143.889119][ T10] __sys_sendmsg+0xcd/0x170 [ 9143.889119][ T10] do_syscall_64+0xc6/0x1e0 [ 9143.889119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9143.889119][ T10] [ 9143.891126][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9143.891126][ T10] dst_init+0x84/0x4a0 [ 9143.891126][ T10] dst_alloc+0x97/0x150 [ 9143.891126][ T10] ip6_dst_alloc+0x23/0x90 [ 9143.891126][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9143.891126][ T10] ip6_pol_route+0x56f/0x840 [ 9143.891126][ T10] fib6_rule_lookup+0x334/0x630 [ 9143.891126][ T10] ip6_route_output_flags+0x259/0x480 [ 9143.891126][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9143.891126][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9143.891126][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9143.891126][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9143.891126][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9143.891126][ T10] ___sys_sendmsg+0xee/0x170 [ 9143.891126][ T10] __sys_sendmsg+0xcd/0x170 [ 9143.891126][ T10] do_syscall_64+0xc6/0x1e0 [ 9143.891126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9143.891126][ T10] [ 9143.893156][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9143.893156][ T10] netdev_get_by_index+0x5e/0x80 [ 9143.893156][ T10] fib6_nh_init+0x3d8/0x1580 [ 9143.893156][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9143.893156][ T10] ip6_route_add+0x1c/0x140 [ 9143.893156][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9143.893156][ T10] inet6_addr_add+0x4f8/0xa40 [ 9143.893156][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9143.893156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9143.893156][ T10] netlink_rcv_skb+0x130/0x360 [ 9143.893156][ T10] netlink_unicast+0x449/0x710 [ 9143.893156][ T10] netlink_sendmsg+0x723/0xbe0 [ 9143.893156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9143.893156][ T10] ___sys_sendmsg+0xee/0x170 [ 9143.893156][ T10] __sys_sendmsg+0xcd/0x170 [ 9143.893156][ T10] do_syscall_64+0xc6/0x1e0 [ 9143.893156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9143.893156][ T10] [ 9143.895187][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9143.895187][ T10] netdev_get_by_index+0x5e/0x80 [ 9143.895187][ T10] fib6_nh_init+0x3d8/0x1580 [ 9143.895187][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9143.895187][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9143.895187][ T10] ipv6_add_addr+0x411/0x2000 [ 9143.895187][ T10] inet6_addr_add+0x30e/0xa40 [ 9143.895187][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9143.895187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9143.895187][ T10] netlink_rcv_skb+0x130/0x360 [ 9143.895187][ T10] netlink_unicast+0x449/0x710 [ 9143.895187][ T10] netlink_sendmsg+0x723/0xbe0 [ 9143.895187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9143.895187][ T10] ___sys_sendmsg+0xee/0x170 [ 9143.895187][ T10] __sys_sendmsg+0xcd/0x170 [ 9143.895187][ T10] do_syscall_64+0xc6/0x1e0 [ 9143.895187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9143.895187][ T10] [ 9143.897216][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9143.897216][ T10] netdev_get_by_index+0x5e/0x80 [ 9143.897216][ T10] fib6_nh_init+0x3d8/0x1580 [ 9143.897216][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9143.897216][ T10] ip6_route_add+0x1c/0x140 [ 9143.897216][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9143.897216][ T10] addrconf_add_dev+0xe2/0x170 [ 9143.897216][ T10] inet6_addr_add+0x12f/0xa40 [ 9143.897216][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9143.897216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9143.897216][ T10] netlink_rcv_skb+0x130/0x360 [ 9143.897216][ T10] netlink_unicast+0x449/0x710 [ 9143.897216][ T10] netlink_sendmsg+0x723/0xbe0 [ 9143.897216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9143.897216][ T10] ___sys_sendmsg+0xee/0x170 [ 9143.897216][ T10] __sys_sendmsg+0xcd/0x170 [ 9143.897216][ T10] do_syscall_64+0xc6/0x1e0 [ 9143.897216][ T10] [ 9143.899212][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9143.899212][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9143.899212][ T10] ipv6_find_idev+0x102/0x170 [ 9143.899212][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9143.899212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9143.899212][ T10] netlink_rcv_skb+0x130/0x360 [ 9143.899212][ T10] netlink_unicast+0x449/0x710 [ 9143.899212][ T10] netlink_sendmsg+0x723/0xbe0 [ 9143.899212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9143.899212][ T10] ___sys_sendmsg+0xee/0x170 [ 9143.899212][ T10] __sys_sendmsg+0xcd/0x170 [ 9143.899212][ T10] do_syscall_64+0xc6/0x1e0 [ 9143.899212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9143.899212][ T10] [ 9143.900766][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9143.900766][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9143.900766][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9143.900766][ T10] ipv6_find_idev+0x102/0x170 [ 9143.900766][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9143.900766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9143.900766][ T10] netlink_rcv_skb+0x130/0x360 [ 9143.900766][ T10] netlink_unicast+0x449/0x710 [ 9143.900766][ T10] netlink_sendmsg+0x723/0xbe0 [ 9143.900766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9143.900766][ T10] ___sys_sendmsg+0xee/0x170 [ 9143.900766][ T10] __sys_sendmsg+0xcd/0x170 [ 9143.900766][ T10] do_syscall_64+0xc6/0x1e0 [ 9143.900766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9143.900766][ T10] [ 9153.878870][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9153.879361][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9153.879361][T12167] netdev_get_by_index+0x5e/0x80 [ 9153.879361][T12167] fib6_nh_init+0x3d8/0x1580 [ 9153.879361][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9153.879361][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9153.879361][T12167] ipv6_add_addr+0x411/0x2000 [ 9153.879361][T12167] inet6_addr_add+0x30e/0xa40 [ 9153.879361][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9153.879361][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9153.879361][T12167] netlink_rcv_skb+0x130/0x360 [ 9153.879361][T12167] netlink_unicast+0x449/0x710 [ 9153.879361][T12167] netlink_sendmsg+0x723/0xbe0 [ 9153.879361][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9153.879361][T12167] ___sys_sendmsg+0xee/0x170 [ 9153.879361][T12167] __sys_sendmsg+0xcd/0x170 [ 9153.879361][T12167] do_syscall_64+0xc6/0x1e0 [ 9153.879361][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9153.879361][T12167] [ 9153.881644][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9153.881644][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9153.881644][T12167] ipv6_find_idev+0x102/0x170 [ 9153.881644][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9153.881644][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9153.881644][T12167] netlink_rcv_skb+0x130/0x360 [ 9153.881644][T12167] netlink_unicast+0x449/0x710 [ 9153.881644][T12167] netlink_sendmsg+0x723/0xbe0 [ 9153.881644][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9153.881644][T12167] ___sys_sendmsg+0xee/0x170 [ 9153.881644][T12167] __sys_sendmsg+0xcd/0x170 [ 9153.881644][T12167] do_syscall_64+0xc6/0x1e0 [ 9153.881644][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9153.881644][T12167] [ 9153.883407][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9153.883407][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9153.883407][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9153.883407][T12167] ipv6_find_idev+0x102/0x170 [ 9153.883407][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9153.883407][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9153.883407][T12167] netlink_rcv_skb+0x130/0x360 [ 9153.883407][T12167] netlink_unicast+0x449/0x710 [ 9153.883407][T12167] netlink_sendmsg+0x723/0xbe0 [ 9153.883407][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9153.883407][T12167] ___sys_sendmsg+0xee/0x170 [ 9153.883407][T12167] __sys_sendmsg+0xcd/0x170 [ 9153.883407][T12167] do_syscall_64+0xc6/0x1e0 [ 9153.883407][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9153.883407][T12167] [ 9154.142806][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9154.143201][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9154.143201][ T10] dst_init+0x84/0x4a0 [ 9154.143201][ T10] dst_alloc+0x97/0x150 [ 9154.143201][ T10] ip6_dst_alloc+0x23/0x90 [ 9154.143201][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9154.143201][ T10] ip6_pol_route+0x56f/0x840 [ 9154.143201][ T10] fib6_rule_lookup+0x334/0x630 [ 9154.143201][ T10] ip6_route_output_flags+0x259/0x480 [ 9154.143201][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9154.143201][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9154.143201][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9154.143201][ T10] ____sys_sendmsg+0x772/0xa10 [ 9154.143201][ T10] ___sys_sendmsg+0xee/0x170 [ 9154.143201][ T10] __sys_sendmsg+0xcd/0x170 [ 9154.143201][ T10] do_syscall_64+0xc6/0x1e0 [ 9154.143201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9154.143201][ T10] [ 9154.145083][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9154.145083][ T10] dst_init+0x84/0x4a0 [ 9154.145083][ T10] dst_alloc+0x97/0x150 [ 9154.145083][ T10] ip6_dst_alloc+0x23/0x90 [ 9154.145083][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9154.145083][ T10] ip6_pol_route+0x56f/0x840 [ 9154.145083][ T10] fib6_rule_lookup+0x334/0x630 [ 9154.145083][ T10] ip6_route_output_flags+0x259/0x480 [ 9154.145083][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9154.145083][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9154.145083][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9154.145083][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9154.145083][ T10] ____sys_sendmsg+0x772/0xa10 [ 9154.145083][ T10] ___sys_sendmsg+0xee/0x170 [ 9154.145083][ T10] __sys_sendmsg+0xcd/0x170 [ 9154.145083][ T10] do_syscall_64+0xc6/0x1e0 [ 9154.145083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9154.145083][ T10] [ 9154.147074][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9154.147074][ T10] dst_init+0x84/0x4a0 [ 9154.147074][ T10] dst_alloc+0x97/0x150 [ 9154.147074][ T10] ip6_dst_alloc+0x23/0x90 [ 9154.147074][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9154.147074][ T10] ip6_pol_route+0x56f/0x840 [ 9154.147074][ T10] fib6_rule_lookup+0x334/0x630 [ 9154.147074][ T10] ip6_route_output_flags+0x259/0x480 [ 9154.147074][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9154.147074][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9154.147074][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9154.147074][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9154.147074][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9154.147074][ T10] ___sys_sendmsg+0xee/0x170 [ 9154.147074][ T10] __sys_sendmsg+0xcd/0x170 [ 9154.147074][ T10] do_syscall_64+0xc6/0x1e0 [ 9154.147074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9154.147074][ T10] [ 9154.149068][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9154.149068][ T10] netdev_get_by_index+0x5e/0x80 [ 9154.149068][ T10] fib6_nh_init+0x3d8/0x1580 [ 9154.149068][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9154.149068][ T10] ip6_route_add+0x1c/0x140 [ 9154.149068][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9154.149068][ T10] inet6_addr_add+0x4f8/0xa40 [ 9154.149068][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9154.149068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9154.149068][ T10] netlink_rcv_skb+0x130/0x360 [ 9154.149068][ T10] netlink_unicast+0x449/0x710 [ 9154.149068][ T10] netlink_sendmsg+0x723/0xbe0 [ 9154.149068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9154.149068][ T10] ___sys_sendmsg+0xee/0x170 [ 9154.149068][ T10] __sys_sendmsg+0xcd/0x170 [ 9154.149068][ T10] do_syscall_64+0xc6/0x1e0 [ 9154.149068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9154.149068][ T10] [ 9154.151067][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9154.151067][ T10] netdev_get_by_index+0x5e/0x80 [ 9154.151067][ T10] fib6_nh_init+0x3d8/0x1580 [ 9154.151067][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9154.151067][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9154.151067][ T10] ipv6_add_addr+0x411/0x2000 [ 9154.151067][ T10] inet6_addr_add+0x30e/0xa40 [ 9154.151067][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9154.151067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9154.151067][ T10] netlink_rcv_skb+0x130/0x360 [ 9154.151067][ T10] netlink_unicast+0x449/0x710 [ 9154.151067][ T10] netlink_sendmsg+0x723/0xbe0 [ 9154.151067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9154.151067][ T10] ___sys_sendmsg+0xee/0x170 [ 9154.151067][ T10] __sys_sendmsg+0xcd/0x170 [ 9154.151067][ T10] do_syscall_64+0xc6/0x1e0 [ 9154.151067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9154.151067][ T10] [ 9154.153083][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9154.153083][ T10] netdev_get_by_index+0x5e/0x80 [ 9154.153083][ T10] fib6_nh_init+0x3d8/0x1580 [ 9154.153083][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9154.153083][ T10] ip6_route_add+0x1c/0x140 [ 9154.153083][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9154.153083][ T10] addrconf_add_dev+0xe2/0x170 [ 9154.153083][ T10] inet6_addr_add+0x12f/0xa40 [ 9154.153083][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9154.153083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9154.153083][ T10] netlink_rcv_skb+0x130/0x360 [ 9154.153083][ T10] netlink_unicast+0x449/0x710 [ 9154.153083][ T10] netlink_sendmsg+0x723/0xbe0 [ 9154.153083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9154.153083][ T10] ___sys_sendmsg+0xee/0x170 [ 9154.153083][ T10] __sys_sendmsg+0xcd/0x170 [ 9154.153083][ T10] do_syscall_64+0xc6/0x1e0 [ 9154.153083][ T10] [ 9154.155182][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9154.155182][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9154.155182][ T10] ipv6_find_idev+0x102/0x170 [ 9154.155182][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9154.155182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9154.155182][ T10] netlink_rcv_skb+0x130/0x360 [ 9154.155182][ T10] netlink_unicast+0x449/0x710 [ 9154.155182][ T10] netlink_sendmsg+0x723/0xbe0 [ 9154.155182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9154.155182][ T10] ___sys_sendmsg+0xee/0x170 [ 9154.155182][ T10] __sys_sendmsg+0xcd/0x170 [ 9154.155182][ T10] do_syscall_64+0xc6/0x1e0 [ 9154.155182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9154.155182][ T10] [ 9154.156730][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9154.156730][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9154.156730][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9154.156730][ T10] ipv6_find_idev+0x102/0x170 [ 9154.156730][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9154.156730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9154.156730][ T10] netlink_rcv_skb+0x130/0x360 [ 9154.156730][ T10] netlink_unicast+0x449/0x710 [ 9154.156730][ T10] netlink_sendmsg+0x723/0xbe0 [ 9154.156730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9154.156730][ T10] ___sys_sendmsg+0xee/0x170 [ 9154.156730][ T10] __sys_sendmsg+0xcd/0x170 [ 9154.156730][ T10] do_syscall_64+0xc6/0x1e0 [ 9154.156730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9154.156730][ T10] [ 9164.126838][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9164.127335][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9164.127335][T12167] netdev_get_by_index+0x5e/0x80 [ 9164.127335][T12167] fib6_nh_init+0x3d8/0x1580 [ 9164.127335][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9164.127335][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9164.127335][T12167] ipv6_add_addr+0x411/0x2000 [ 9164.127335][T12167] inet6_addr_add+0x30e/0xa40 [ 9164.127335][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9164.127335][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9164.127335][T12167] netlink_rcv_skb+0x130/0x360 [ 9164.127335][T12167] netlink_unicast+0x449/0x710 [ 9164.127335][T12167] netlink_sendmsg+0x723/0xbe0 [ 9164.127335][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9164.127335][T12167] ___sys_sendmsg+0xee/0x170 [ 9164.127335][T12167] __sys_sendmsg+0xcd/0x170 [ 9164.127335][T12167] do_syscall_64+0xc6/0x1e0 [ 9164.127335][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9164.127335][T12167] [ 9164.129617][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9164.129617][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9164.129617][T12167] ipv6_find_idev+0x102/0x170 [ 9164.129617][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9164.129617][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9164.129617][T12167] netlink_rcv_skb+0x130/0x360 [ 9164.129617][T12167] netlink_unicast+0x449/0x710 [ 9164.129617][T12167] netlink_sendmsg+0x723/0xbe0 [ 9164.129617][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9164.129617][T12167] ___sys_sendmsg+0xee/0x170 [ 9164.129617][T12167] __sys_sendmsg+0xcd/0x170 [ 9164.129617][T12167] do_syscall_64+0xc6/0x1e0 [ 9164.129617][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9164.129617][T12167] [ 9164.131363][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9164.131363][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9164.131363][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9164.131363][T12167] ipv6_find_idev+0x102/0x170 [ 9164.131363][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9164.131363][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9164.131363][T12167] netlink_rcv_skb+0x130/0x360 [ 9164.131363][T12167] netlink_unicast+0x449/0x710 [ 9164.131363][T12167] netlink_sendmsg+0x723/0xbe0 [ 9164.131363][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9164.131363][T12167] ___sys_sendmsg+0xee/0x170 [ 9164.131363][T12167] __sys_sendmsg+0xcd/0x170 [ 9164.131363][T12167] do_syscall_64+0xc6/0x1e0 [ 9164.131363][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9164.131363][T12167] [ 9164.398807][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9164.399232][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9164.399232][ T10] dst_init+0x84/0x4a0 [ 9164.399232][ T10] dst_alloc+0x97/0x150 [ 9164.399232][ T10] ip6_dst_alloc+0x23/0x90 [ 9164.399232][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9164.399232][ T10] ip6_pol_route+0x56f/0x840 [ 9164.399232][ T10] fib6_rule_lookup+0x334/0x630 [ 9164.399232][ T10] ip6_route_output_flags+0x259/0x480 [ 9164.399232][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9164.399232][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9164.399232][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9164.399232][ T10] ____sys_sendmsg+0x772/0xa10 [ 9164.399232][ T10] ___sys_sendmsg+0xee/0x170 [ 9164.399232][ T10] __sys_sendmsg+0xcd/0x170 [ 9164.399232][ T10] do_syscall_64+0xc6/0x1e0 [ 9164.399232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9164.399232][ T10] [ 9164.401149][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9164.401149][ T10] dst_init+0x84/0x4a0 [ 9164.401149][ T10] dst_alloc+0x97/0x150 [ 9164.401149][ T10] ip6_dst_alloc+0x23/0x90 [ 9164.401149][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9164.401149][ T10] ip6_pol_route+0x56f/0x840 [ 9164.401149][ T10] fib6_rule_lookup+0x334/0x630 [ 9164.401149][ T10] ip6_route_output_flags+0x259/0x480 [ 9164.401149][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9164.401149][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9164.401149][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9164.401149][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9164.401149][ T10] ____sys_sendmsg+0x772/0xa10 [ 9164.401149][ T10] ___sys_sendmsg+0xee/0x170 [ 9164.401149][ T10] __sys_sendmsg+0xcd/0x170 [ 9164.401149][ T10] do_syscall_64+0xc6/0x1e0 [ 9164.401149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9164.401149][ T10] [ 9164.403192][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9164.403192][ T10] dst_init+0x84/0x4a0 [ 9164.403192][ T10] dst_alloc+0x97/0x150 [ 9164.403192][ T10] ip6_dst_alloc+0x23/0x90 [ 9164.403192][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9164.403192][ T10] ip6_pol_route+0x56f/0x840 [ 9164.403192][ T10] fib6_rule_lookup+0x334/0x630 [ 9164.403192][ T10] ip6_route_output_flags+0x259/0x480 [ 9164.403192][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9164.403192][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9164.403192][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9164.403192][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9164.403192][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9164.403192][ T10] ___sys_sendmsg+0xee/0x170 [ 9164.403192][ T10] __sys_sendmsg+0xcd/0x170 [ 9164.403192][ T10] do_syscall_64+0xc6/0x1e0 [ 9164.403192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9164.403192][ T10] [ 9164.405217][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9164.405217][ T10] netdev_get_by_index+0x5e/0x80 [ 9164.405217][ T10] fib6_nh_init+0x3d8/0x1580 [ 9164.405217][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9164.405217][ T10] ip6_route_add+0x1c/0x140 [ 9164.405217][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9164.405217][ T10] inet6_addr_add+0x4f8/0xa40 [ 9164.405217][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9164.405217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9164.405217][ T10] netlink_rcv_skb+0x130/0x360 [ 9164.405217][ T10] netlink_unicast+0x449/0x710 [ 9164.405217][ T10] netlink_sendmsg+0x723/0xbe0 [ 9164.405217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9164.405217][ T10] ___sys_sendmsg+0xee/0x170 [ 9164.405217][ T10] __sys_sendmsg+0xcd/0x170 [ 9164.405217][ T10] do_syscall_64+0xc6/0x1e0 [ 9164.405217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9164.405217][ T10] [ 9164.407277][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9164.407277][ T10] netdev_get_by_index+0x5e/0x80 [ 9164.407277][ T10] fib6_nh_init+0x3d8/0x1580 [ 9164.407277][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9164.407277][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9164.407277][ T10] ipv6_add_addr+0x411/0x2000 [ 9164.407277][ T10] inet6_addr_add+0x30e/0xa40 [ 9164.407277][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9164.407277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9164.407277][ T10] netlink_rcv_skb+0x130/0x360 [ 9164.407277][ T10] netlink_unicast+0x449/0x710 [ 9164.407277][ T10] netlink_sendmsg+0x723/0xbe0 [ 9164.407277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9164.407277][ T10] ___sys_sendmsg+0xee/0x170 [ 9164.407277][ T10] __sys_sendmsg+0xcd/0x170 [ 9164.407277][ T10] do_syscall_64+0xc6/0x1e0 [ 9164.407277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9164.407277][ T10] [ 9164.409371][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9164.409371][ T10] netdev_get_by_index+0x5e/0x80 [ 9164.409371][ T10] fib6_nh_init+0x3d8/0x1580 [ 9164.409371][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9164.409371][ T10] ip6_route_add+0x1c/0x140 [ 9164.409371][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9164.409371][ T10] addrconf_add_dev+0xe2/0x170 [ 9164.409371][ T10] inet6_addr_add+0x12f/0xa40 [ 9164.409371][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9164.409371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9164.409371][ T10] netlink_rcv_skb+0x130/0x360 [ 9164.409371][ T10] netlink_unicast+0x449/0x710 [ 9164.409371][ T10] netlink_sendmsg+0x723/0xbe0 [ 9164.409371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9164.409371][ T10] ___sys_sendmsg+0xee/0x170 [ 9164.409371][ T10] __sys_sendmsg+0xcd/0x170 [ 9164.409371][ T10] do_syscall_64+0xc6/0x1e0 [ 9164.409371][ T10] [ 9164.411370][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9164.411370][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9164.411370][ T10] ipv6_find_idev+0x102/0x170 [ 9164.411370][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9164.411370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9164.411370][ T10] netlink_rcv_skb+0x130/0x360 [ 9164.411370][ T10] netlink_unicast+0x449/0x710 [ 9164.411370][ T10] netlink_sendmsg+0x723/0xbe0 [ 9164.411370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9164.411370][ T10] ___sys_sendmsg+0xee/0x170 [ 9164.411370][ T10] __sys_sendmsg+0xcd/0x170 [ 9164.411370][ T10] do_syscall_64+0xc6/0x1e0 [ 9164.411370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9164.411370][ T10] [ 9164.412939][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9164.412939][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9164.412939][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9164.412939][ T10] ipv6_find_idev+0x102/0x170 [ 9164.412939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9164.412939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9164.412939][ T10] netlink_rcv_skb+0x130/0x360 [ 9164.412939][ T10] netlink_unicast+0x449/0x710 [ 9164.412939][ T10] netlink_sendmsg+0x723/0xbe0 [ 9164.412939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9164.412939][ T10] ___sys_sendmsg+0xee/0x170 [ 9164.412939][ T10] __sys_sendmsg+0xcd/0x170 [ 9164.412939][ T10] do_syscall_64+0xc6/0x1e0 [ 9164.412939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9164.412939][ T10] [ 9174.374802][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9174.375314][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9174.375314][T12167] netdev_get_by_index+0x5e/0x80 [ 9174.375314][T12167] fib6_nh_init+0x3d8/0x1580 [ 9174.375314][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9174.375314][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9174.375314][T12167] ipv6_add_addr+0x411/0x2000 [ 9174.375314][T12167] inet6_addr_add+0x30e/0xa40 [ 9174.375314][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9174.375314][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9174.375314][T12167] netlink_rcv_skb+0x130/0x360 [ 9174.375314][T12167] netlink_unicast+0x449/0x710 [ 9174.375314][T12167] netlink_sendmsg+0x723/0xbe0 [ 9174.375314][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9174.375314][T12167] ___sys_sendmsg+0xee/0x170 [ 9174.375314][T12167] __sys_sendmsg+0xcd/0x170 [ 9174.375314][T12167] do_syscall_64+0xc6/0x1e0 [ 9174.375314][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9174.375314][T12167] [ 9174.377591][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9174.377591][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9174.377591][T12167] ipv6_find_idev+0x102/0x170 [ 9174.377591][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9174.377591][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9174.377591][T12167] netlink_rcv_skb+0x130/0x360 [ 9174.377591][T12167] netlink_unicast+0x449/0x710 [ 9174.377591][T12167] netlink_sendmsg+0x723/0xbe0 [ 9174.377591][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9174.377591][T12167] ___sys_sendmsg+0xee/0x170 [ 9174.377591][T12167] __sys_sendmsg+0xcd/0x170 [ 9174.377591][T12167] do_syscall_64+0xc6/0x1e0 [ 9174.377591][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9174.377591][T12167] [ 9174.379336][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9174.379336][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9174.379336][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9174.379336][T12167] ipv6_find_idev+0x102/0x170 [ 9174.379336][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9174.379336][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9174.379336][T12167] netlink_rcv_skb+0x130/0x360 [ 9174.379336][T12167] netlink_unicast+0x449/0x710 [ 9174.379336][T12167] netlink_sendmsg+0x723/0xbe0 [ 9174.379336][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9174.379336][T12167] ___sys_sendmsg+0xee/0x170 [ 9174.379336][T12167] __sys_sendmsg+0xcd/0x170 [ 9174.379336][T12167] do_syscall_64+0xc6/0x1e0 [ 9174.379336][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9174.379336][T12167] [ 9174.654772][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9174.655199][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9174.655199][ T10] dst_init+0x84/0x4a0 [ 9174.655199][ T10] dst_alloc+0x97/0x150 [ 9174.655199][ T10] ip6_dst_alloc+0x23/0x90 [ 9174.655199][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9174.655199][ T10] ip6_pol_route+0x56f/0x840 [ 9174.655199][ T10] fib6_rule_lookup+0x334/0x630 [ 9174.655199][ T10] ip6_route_output_flags+0x259/0x480 [ 9174.655199][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9174.655199][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9174.655199][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9174.655199][ T10] ____sys_sendmsg+0x772/0xa10 [ 9174.655199][ T10] ___sys_sendmsg+0xee/0x170 [ 9174.655199][ T10] __sys_sendmsg+0xcd/0x170 [ 9174.655199][ T10] do_syscall_64+0xc6/0x1e0 [ 9174.655199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9174.655199][ T10] [ 9174.657125][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9174.657125][ T10] dst_init+0x84/0x4a0 [ 9174.657125][ T10] dst_alloc+0x97/0x150 [ 9174.657125][ T10] ip6_dst_alloc+0x23/0x90 [ 9174.657125][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9174.657125][ T10] ip6_pol_route+0x56f/0x840 [ 9174.657125][ T10] fib6_rule_lookup+0x334/0x630 [ 9174.657125][ T10] ip6_route_output_flags+0x259/0x480 [ 9174.657125][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9174.657125][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9174.657125][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9174.657125][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9174.657125][ T10] ____sys_sendmsg+0x772/0xa10 [ 9174.657125][ T10] ___sys_sendmsg+0xee/0x170 [ 9174.657125][ T10] __sys_sendmsg+0xcd/0x170 [ 9174.657125][ T10] do_syscall_64+0xc6/0x1e0 [ 9174.657125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9174.657125][ T10] [ 9174.659523][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9174.659523][ T10] dst_init+0x84/0x4a0 [ 9174.659523][ T10] dst_alloc+0x97/0x150 [ 9174.659523][ T10] ip6_dst_alloc+0x23/0x90 [ 9174.659523][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9174.659523][ T10] ip6_pol_route+0x56f/0x840 [ 9174.659523][ T10] fib6_rule_lookup+0x334/0x630 [ 9174.659523][ T10] ip6_route_output_flags+0x259/0x480 [ 9174.659523][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9174.659523][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9174.659523][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9174.659523][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9174.659523][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9174.659523][ T10] ___sys_sendmsg+0xee/0x170 [ 9174.659523][ T10] __sys_sendmsg+0xcd/0x170 [ 9174.659523][ T10] do_syscall_64+0xc6/0x1e0 [ 9174.659523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9174.659523][ T10] [ 9174.661546][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9174.661546][ T10] netdev_get_by_index+0x5e/0x80 [ 9174.661546][ T10] fib6_nh_init+0x3d8/0x1580 [ 9174.661546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9174.661546][ T10] ip6_route_add+0x1c/0x140 [ 9174.661546][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9174.661546][ T10] inet6_addr_add+0x4f8/0xa40 [ 9174.661546][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9174.661546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9174.661546][ T10] netlink_rcv_skb+0x130/0x360 [ 9174.661546][ T10] netlink_unicast+0x449/0x710 [ 9174.661546][ T10] netlink_sendmsg+0x723/0xbe0 [ 9174.661546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9174.661546][ T10] ___sys_sendmsg+0xee/0x170 [ 9174.661546][ T10] __sys_sendmsg+0xcd/0x170 [ 9174.661546][ T10] do_syscall_64+0xc6/0x1e0 [ 9174.661546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9174.661546][ T10] [ 9174.663575][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9174.663575][ T10] netdev_get_by_index+0x5e/0x80 [ 9174.663575][ T10] fib6_nh_init+0x3d8/0x1580 [ 9174.663575][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9174.663575][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9174.663575][ T10] ipv6_add_addr+0x411/0x2000 [ 9174.663575][ T10] inet6_addr_add+0x30e/0xa40 [ 9174.663575][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9174.663575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9174.663575][ T10] netlink_rcv_skb+0x130/0x360 [ 9174.663575][ T10] netlink_unicast+0x449/0x710 [ 9174.663575][ T10] netlink_sendmsg+0x723/0xbe0 [ 9174.663575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9174.663575][ T10] ___sys_sendmsg+0xee/0x170 [ 9174.663575][ T10] __sys_sendmsg+0xcd/0x170 [ 9174.663575][ T10] do_syscall_64+0xc6/0x1e0 [ 9174.663575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9174.663575][ T10] [ 9174.665588][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9174.665588][ T10] netdev_get_by_index+0x5e/0x80 [ 9174.665588][ T10] fib6_nh_init+0x3d8/0x1580 [ 9174.665588][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9174.665588][ T10] ip6_route_add+0x1c/0x140 [ 9174.665588][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9174.665588][ T10] addrconf_add_dev+0xe2/0x170 [ 9174.665588][ T10] inet6_addr_add+0x12f/0xa40 [ 9174.665588][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9174.665588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9174.665588][ T10] netlink_rcv_skb+0x130/0x360 [ 9174.665588][ T10] netlink_unicast+0x449/0x710 [ 9174.665588][ T10] netlink_sendmsg+0x723/0xbe0 [ 9174.665588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9174.665588][ T10] ___sys_sendmsg+0xee/0x170 [ 9174.665588][ T10] __sys_sendmsg+0xcd/0x170 [ 9174.665588][ T10] do_syscall_64+0xc6/0x1e0 [ 9174.665588][ T10] [ 9174.667572][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9174.667572][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9174.667572][ T10] ipv6_find_idev+0x102/0x170 [ 9174.667572][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9174.667572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9174.667572][ T10] netlink_rcv_skb+0x130/0x360 [ 9174.667572][ T10] netlink_unicast+0x449/0x710 [ 9174.667572][ T10] netlink_sendmsg+0x723/0xbe0 [ 9174.667572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9174.667572][ T10] ___sys_sendmsg+0xee/0x170 [ 9174.667572][ T10] __sys_sendmsg+0xcd/0x170 [ 9174.667572][ T10] do_syscall_64+0xc6/0x1e0 [ 9174.667572][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9174.667572][ T10] [ 9174.669125][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9174.669125][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9174.669125][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9174.669125][ T10] ipv6_find_idev+0x102/0x170 [ 9174.669125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9174.669125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9174.669125][ T10] netlink_rcv_skb+0x130/0x360 [ 9174.669125][ T10] netlink_unicast+0x449/0x710 [ 9174.669125][ T10] netlink_sendmsg+0x723/0xbe0 [ 9174.669125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9174.669125][ T10] ___sys_sendmsg+0xee/0x170 [ 9174.669125][ T10] __sys_sendmsg+0xcd/0x170 [ 9174.669125][ T10] do_syscall_64+0xc6/0x1e0 [ 9174.669125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9174.669125][ T10] [ 9184.622809][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9184.623347][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9184.623347][T12167] netdev_get_by_index+0x5e/0x80 [ 9184.623347][T12167] fib6_nh_init+0x3d8/0x1580 [ 9184.623347][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9184.623347][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9184.623347][T12167] ipv6_add_addr+0x411/0x2000 [ 9184.623347][T12167] inet6_addr_add+0x30e/0xa40 [ 9184.623347][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9184.623347][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9184.623347][T12167] netlink_rcv_skb+0x130/0x360 [ 9184.623347][T12167] netlink_unicast+0x449/0x710 [ 9184.623347][T12167] netlink_sendmsg+0x723/0xbe0 [ 9184.623347][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9184.623347][T12167] ___sys_sendmsg+0xee/0x170 [ 9184.623347][T12167] __sys_sendmsg+0xcd/0x170 [ 9184.623347][T12167] do_syscall_64+0xc6/0x1e0 [ 9184.623347][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9184.623347][T12167] [ 9184.625618][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9184.625618][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9184.625618][T12167] ipv6_find_idev+0x102/0x170 [ 9184.625618][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9184.625618][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9184.625618][T12167] netlink_rcv_skb+0x130/0x360 [ 9184.625618][T12167] netlink_unicast+0x449/0x710 [ 9184.625618][T12167] netlink_sendmsg+0x723/0xbe0 [ 9184.625618][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9184.625618][T12167] ___sys_sendmsg+0xee/0x170 [ 9184.625618][T12167] __sys_sendmsg+0xcd/0x170 [ 9184.625618][T12167] do_syscall_64+0xc6/0x1e0 [ 9184.625618][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9184.625618][T12167] [ 9184.627367][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9184.627367][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9184.627367][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9184.627367][T12167] ipv6_find_idev+0x102/0x170 [ 9184.627367][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9184.627367][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9184.627367][T12167] netlink_rcv_skb+0x130/0x360 [ 9184.627367][T12167] netlink_unicast+0x449/0x710 [ 9184.627367][T12167] netlink_sendmsg+0x723/0xbe0 [ 9184.627367][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9184.627367][T12167] ___sys_sendmsg+0xee/0x170 [ 9184.627367][T12167] __sys_sendmsg+0xcd/0x170 [ 9184.627367][T12167] do_syscall_64+0xc6/0x1e0 [ 9184.627367][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9184.627367][T12167] [ 9184.878835][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9184.879246][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9184.879246][ T10] dst_init+0x84/0x4a0 [ 9184.879246][ T10] dst_alloc+0x97/0x150 [ 9184.879246][ T10] ip6_dst_alloc+0x23/0x90 [ 9184.879246][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9184.879246][ T10] ip6_pol_route+0x56f/0x840 [ 9184.879246][ T10] fib6_rule_lookup+0x334/0x630 [ 9184.879246][ T10] ip6_route_output_flags+0x259/0x480 [ 9184.879246][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9184.879246][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9184.879246][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9184.879246][ T10] ____sys_sendmsg+0x772/0xa10 [ 9184.879246][ T10] ___sys_sendmsg+0xee/0x170 [ 9184.879246][ T10] __sys_sendmsg+0xcd/0x170 [ 9184.879246][ T10] do_syscall_64+0xc6/0x1e0 [ 9184.879246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9184.879246][ T10] [ 9184.881162][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9184.881162][ T10] dst_init+0x84/0x4a0 [ 9184.881162][ T10] dst_alloc+0x97/0x150 [ 9184.881162][ T10] ip6_dst_alloc+0x23/0x90 [ 9184.881162][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9184.881162][ T10] ip6_pol_route+0x56f/0x840 [ 9184.881162][ T10] fib6_rule_lookup+0x334/0x630 [ 9184.881162][ T10] ip6_route_output_flags+0x259/0x480 [ 9184.881162][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9184.881162][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9184.881162][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9184.881162][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9184.881162][ T10] ____sys_sendmsg+0x772/0xa10 [ 9184.881162][ T10] ___sys_sendmsg+0xee/0x170 [ 9184.881162][ T10] __sys_sendmsg+0xcd/0x170 [ 9184.881162][ T10] do_syscall_64+0xc6/0x1e0 [ 9184.881162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9184.881162][ T10] [ 9184.883190][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9184.883190][ T10] dst_init+0x84/0x4a0 [ 9184.883190][ T10] dst_alloc+0x97/0x150 [ 9184.883190][ T10] ip6_dst_alloc+0x23/0x90 [ 9184.883190][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9184.883190][ T10] ip6_pol_route+0x56f/0x840 [ 9184.883190][ T10] fib6_rule_lookup+0x334/0x630 [ 9184.883190][ T10] ip6_route_output_flags+0x259/0x480 [ 9184.883190][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9184.883190][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9184.883190][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9184.883190][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9184.883190][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9184.883190][ T10] ___sys_sendmsg+0xee/0x170 [ 9184.883190][ T10] __sys_sendmsg+0xcd/0x170 [ 9184.883190][ T10] do_syscall_64+0xc6/0x1e0 [ 9184.883190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9184.883190][ T10] [ 9184.885212][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9184.885212][ T10] netdev_get_by_index+0x5e/0x80 [ 9184.885212][ T10] fib6_nh_init+0x3d8/0x1580 [ 9184.885212][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9184.885212][ T10] ip6_route_add+0x1c/0x140 [ 9184.885212][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9184.885212][ T10] inet6_addr_add+0x4f8/0xa40 [ 9184.885212][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9184.885212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9184.885212][ T10] netlink_rcv_skb+0x130/0x360 [ 9184.885212][ T10] netlink_unicast+0x449/0x710 [ 9184.885212][ T10] netlink_sendmsg+0x723/0xbe0 [ 9184.885212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9184.885212][ T10] ___sys_sendmsg+0xee/0x170 [ 9184.885212][ T10] __sys_sendmsg+0xcd/0x170 [ 9184.885212][ T10] do_syscall_64+0xc6/0x1e0 [ 9184.885212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9184.885212][ T10] [ 9184.887238][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9184.887238][ T10] netdev_get_by_index+0x5e/0x80 [ 9184.887238][ T10] fib6_nh_init+0x3d8/0x1580 [ 9184.887238][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9184.887238][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9184.887238][ T10] ipv6_add_addr+0x411/0x2000 [ 9184.887238][ T10] inet6_addr_add+0x30e/0xa40 [ 9184.887238][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9184.887238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9184.887238][ T10] netlink_rcv_skb+0x130/0x360 [ 9184.887238][ T10] netlink_unicast+0x449/0x710 [ 9184.887238][ T10] netlink_sendmsg+0x723/0xbe0 [ 9184.887238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9184.887238][ T10] ___sys_sendmsg+0xee/0x170 [ 9184.887238][ T10] __sys_sendmsg+0xcd/0x170 [ 9184.887238][ T10] do_syscall_64+0xc6/0x1e0 [ 9184.887238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9184.887238][ T10] [ 9184.889273][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9184.889273][ T10] netdev_get_by_index+0x5e/0x80 [ 9184.889273][ T10] fib6_nh_init+0x3d8/0x1580 [ 9184.889273][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9184.889273][ T10] ip6_route_add+0x1c/0x140 [ 9184.889273][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9184.889273][ T10] addrconf_add_dev+0xe2/0x170 [ 9184.889273][ T10] inet6_addr_add+0x12f/0xa40 [ 9184.889273][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9184.889273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9184.889273][ T10] netlink_rcv_skb+0x130/0x360 [ 9184.889273][ T10] netlink_unicast+0x449/0x710 [ 9184.889273][ T10] netlink_sendmsg+0x723/0xbe0 [ 9184.889273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9184.889273][ T10] ___sys_sendmsg+0xee/0x170 [ 9184.889273][ T10] __sys_sendmsg+0xcd/0x170 [ 9184.889273][ T10] do_syscall_64+0xc6/0x1e0 [ 9184.889273][ T10] [ 9184.891283][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9184.891283][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9184.891283][ T10] ipv6_find_idev+0x102/0x170 [ 9184.891283][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9184.891283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9184.891283][ T10] netlink_rcv_skb+0x130/0x360 [ 9184.891283][ T10] netlink_unicast+0x449/0x710 [ 9184.891283][ T10] netlink_sendmsg+0x723/0xbe0 [ 9184.891283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9184.891283][ T10] ___sys_sendmsg+0xee/0x170 [ 9184.891283][ T10] __sys_sendmsg+0xcd/0x170 [ 9184.891283][ T10] do_syscall_64+0xc6/0x1e0 [ 9184.891283][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9184.891283][ T10] [ 9184.892853][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9184.892853][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9184.892853][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9184.892853][ T10] ipv6_find_idev+0x102/0x170 [ 9184.892853][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9184.892853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9184.892853][ T10] netlink_rcv_skb+0x130/0x360 [ 9184.892853][ T10] netlink_unicast+0x449/0x710 [ 9184.892853][ T10] netlink_sendmsg+0x723/0xbe0 [ 9184.892853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9184.892853][ T10] ___sys_sendmsg+0xee/0x170 [ 9184.892853][ T10] __sys_sendmsg+0xcd/0x170 [ 9184.892853][ T10] do_syscall_64+0xc6/0x1e0 [ 9184.892853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9184.892853][ T10] [ 9194.870832][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9194.871340][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9194.871340][T12167] netdev_get_by_index+0x5e/0x80 [ 9194.871340][T12167] fib6_nh_init+0x3d8/0x1580 [ 9194.871340][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9194.871340][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9194.871340][T12167] ipv6_add_addr+0x411/0x2000 [ 9194.871340][T12167] inet6_addr_add+0x30e/0xa40 [ 9194.871340][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9194.871340][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9194.871340][T12167] netlink_rcv_skb+0x130/0x360 [ 9194.871340][T12167] netlink_unicast+0x449/0x710 [ 9194.871340][T12167] netlink_sendmsg+0x723/0xbe0 [ 9194.871340][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9194.871340][T12167] ___sys_sendmsg+0xee/0x170 [ 9194.871340][T12167] __sys_sendmsg+0xcd/0x170 [ 9194.871340][T12167] do_syscall_64+0xc6/0x1e0 [ 9194.871340][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9194.871340][T12167] [ 9194.873627][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9194.873627][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9194.873627][T12167] ipv6_find_idev+0x102/0x170 [ 9194.873627][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9194.873627][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9194.873627][T12167] netlink_rcv_skb+0x130/0x360 [ 9194.873627][T12167] netlink_unicast+0x449/0x710 [ 9194.873627][T12167] netlink_sendmsg+0x723/0xbe0 [ 9194.873627][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9194.873627][T12167] ___sys_sendmsg+0xee/0x170 [ 9194.873627][T12167] __sys_sendmsg+0xcd/0x170 [ 9194.873627][T12167] do_syscall_64+0xc6/0x1e0 [ 9194.873627][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9194.873627][T12167] [ 9194.875504][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9194.875504][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9194.875504][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9194.875504][T12167] ipv6_find_idev+0x102/0x170 [ 9194.875504][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9194.875504][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9194.875504][T12167] netlink_rcv_skb+0x130/0x360 [ 9194.875504][T12167] netlink_unicast+0x449/0x710 [ 9194.875504][T12167] netlink_sendmsg+0x723/0xbe0 [ 9194.875504][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9194.875504][T12167] ___sys_sendmsg+0xee/0x170 [ 9194.875504][T12167] __sys_sendmsg+0xcd/0x170 [ 9194.875504][T12167] do_syscall_64+0xc6/0x1e0 [ 9194.875504][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9194.875504][T12167] [ 9195.134886][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9195.135300][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9195.135300][ T10] dst_init+0x84/0x4a0 [ 9195.135300][ T10] dst_alloc+0x97/0x150 [ 9195.135300][ T10] ip6_dst_alloc+0x23/0x90 [ 9195.135300][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9195.135300][ T10] ip6_pol_route+0x56f/0x840 [ 9195.135300][ T10] fib6_rule_lookup+0x334/0x630 [ 9195.135300][ T10] ip6_route_output_flags+0x259/0x480 [ 9195.135300][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9195.135300][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9195.135300][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9195.135300][ T10] ____sys_sendmsg+0x772/0xa10 [ 9195.135300][ T10] ___sys_sendmsg+0xee/0x170 [ 9195.135300][ T10] __sys_sendmsg+0xcd/0x170 [ 9195.135300][ T10] do_syscall_64+0xc6/0x1e0 [ 9195.135300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9195.135300][ T10] [ 9195.137219][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9195.137219][ T10] dst_init+0x84/0x4a0 [ 9195.137219][ T10] dst_alloc+0x97/0x150 [ 9195.137219][ T10] ip6_dst_alloc+0x23/0x90 [ 9195.137219][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9195.137219][ T10] ip6_pol_route+0x56f/0x840 [ 9195.137219][ T10] fib6_rule_lookup+0x334/0x630 [ 9195.137219][ T10] ip6_route_output_flags+0x259/0x480 [ 9195.137219][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9195.137219][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9195.137219][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9195.137219][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9195.137219][ T10] ____sys_sendmsg+0x772/0xa10 [ 9195.137219][ T10] ___sys_sendmsg+0xee/0x170 [ 9195.137219][ T10] __sys_sendmsg+0xcd/0x170 [ 9195.137219][ T10] do_syscall_64+0xc6/0x1e0 [ 9195.137219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9195.137219][ T10] [ 9195.139220][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9195.139220][ T10] dst_init+0x84/0x4a0 [ 9195.139220][ T10] dst_alloc+0x97/0x150 [ 9195.139220][ T10] ip6_dst_alloc+0x23/0x90 [ 9195.139220][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9195.139220][ T10] ip6_pol_route+0x56f/0x840 [ 9195.139220][ T10] fib6_rule_lookup+0x334/0x630 [ 9195.139220][ T10] ip6_route_output_flags+0x259/0x480 [ 9195.139220][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9195.139220][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9195.139220][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9195.139220][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9195.139220][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9195.139220][ T10] ___sys_sendmsg+0xee/0x170 [ 9195.139220][ T10] __sys_sendmsg+0xcd/0x170 [ 9195.139220][ T10] do_syscall_64+0xc6/0x1e0 [ 9195.139220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9195.139220][ T10] [ 9195.141228][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9195.141228][ T10] netdev_get_by_index+0x5e/0x80 [ 9195.141228][ T10] fib6_nh_init+0x3d8/0x1580 [ 9195.141228][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9195.141228][ T10] ip6_route_add+0x1c/0x140 [ 9195.141228][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9195.141228][ T10] inet6_addr_add+0x4f8/0xa40 [ 9195.141228][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9195.141228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9195.141228][ T10] netlink_rcv_skb+0x130/0x360 [ 9195.141228][ T10] netlink_unicast+0x449/0x710 [ 9195.141228][ T10] netlink_sendmsg+0x723/0xbe0 [ 9195.141228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9195.141228][ T10] ___sys_sendmsg+0xee/0x170 [ 9195.141228][ T10] __sys_sendmsg+0xcd/0x170 [ 9195.141228][ T10] do_syscall_64+0xc6/0x1e0 [ 9195.141228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9195.141228][ T10] [ 9195.143246][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9195.143246][ T10] netdev_get_by_index+0x5e/0x80 [ 9195.143246][ T10] fib6_nh_init+0x3d8/0x1580 [ 9195.143246][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9195.143246][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9195.143246][ T10] ipv6_add_addr+0x411/0x2000 [ 9195.143246][ T10] inet6_addr_add+0x30e/0xa40 [ 9195.143246][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9195.143246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9195.143246][ T10] netlink_rcv_skb+0x130/0x360 [ 9195.143246][ T10] netlink_unicast+0x449/0x710 [ 9195.143246][ T10] netlink_sendmsg+0x723/0xbe0 [ 9195.143246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9195.143246][ T10] ___sys_sendmsg+0xee/0x170 [ 9195.143246][ T10] __sys_sendmsg+0xcd/0x170 [ 9195.143246][ T10] do_syscall_64+0xc6/0x1e0 [ 9195.143246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9195.143246][ T10] [ 9195.145245][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9195.145245][ T10] netdev_get_by_index+0x5e/0x80 [ 9195.145245][ T10] fib6_nh_init+0x3d8/0x1580 [ 9195.145245][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9195.145245][ T10] ip6_route_add+0x1c/0x140 [ 9195.145245][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9195.145245][ T10] addrconf_add_dev+0xe2/0x170 [ 9195.145245][ T10] inet6_addr_add+0x12f/0xa40 [ 9195.145245][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9195.145245][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9195.145245][ T10] netlink_rcv_skb+0x130/0x360 [ 9195.145245][ T10] netlink_unicast+0x449/0x710 [ 9195.145245][ T10] netlink_sendmsg+0x723/0xbe0 [ 9195.145245][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9195.145245][ T10] ___sys_sendmsg+0xee/0x170 [ 9195.145245][ T10] __sys_sendmsg+0xcd/0x170 [ 9195.145245][ T10] do_syscall_64+0xc6/0x1e0 [ 9195.145245][ T10] [ 9195.147209][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9195.147209][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9195.147209][ T10] ipv6_find_idev+0x102/0x170 [ 9195.147209][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9195.147209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9195.147209][ T10] netlink_rcv_skb+0x130/0x360 [ 9195.147209][ T10] netlink_unicast+0x449/0x710 [ 9195.147209][ T10] netlink_sendmsg+0x723/0xbe0 [ 9195.147209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9195.147209][ T10] ___sys_sendmsg+0xee/0x170 [ 9195.147209][ T10] __sys_sendmsg+0xcd/0x170 [ 9195.147209][ T10] do_syscall_64+0xc6/0x1e0 [ 9195.147209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9195.147209][ T10] [ 9195.148751][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9195.148751][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9195.148751][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9195.148751][ T10] ipv6_find_idev+0x102/0x170 [ 9195.148751][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9195.148751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9195.148751][ T10] netlink_rcv_skb+0x130/0x360 [ 9195.148751][ T10] netlink_unicast+0x449/0x710 [ 9195.148751][ T10] netlink_sendmsg+0x723/0xbe0 [ 9195.148751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9195.148751][ T10] ___sys_sendmsg+0xee/0x170 [ 9195.148751][ T10] __sys_sendmsg+0xcd/0x170 [ 9195.148751][ T10] do_syscall_64+0xc6/0x1e0 [ 9195.148751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9195.148751][ T10] [ 9204.902796][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9204.903298][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9204.903298][T12167] netdev_get_by_index+0x5e/0x80 [ 9204.903298][T12167] fib6_nh_init+0x3d8/0x1580 [ 9204.903298][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9204.903298][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9204.903298][T12167] ipv6_add_addr+0x411/0x2000 [ 9204.903298][T12167] inet6_addr_add+0x30e/0xa40 [ 9204.903298][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9204.903298][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9204.903298][T12167] netlink_rcv_skb+0x130/0x360 [ 9204.903298][T12167] netlink_unicast+0x449/0x710 [ 9204.903298][T12167] netlink_sendmsg+0x723/0xbe0 [ 9204.903298][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9204.903298][T12167] ___sys_sendmsg+0xee/0x170 [ 9204.903298][T12167] __sys_sendmsg+0xcd/0x170 [ 9204.903298][T12167] do_syscall_64+0xc6/0x1e0 [ 9204.903298][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9204.903298][T12167] [ 9204.905569][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9204.905569][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9204.905569][T12167] ipv6_find_idev+0x102/0x170 [ 9204.905569][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9204.905569][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9204.905569][T12167] netlink_rcv_skb+0x130/0x360 [ 9204.905569][T12167] netlink_unicast+0x449/0x710 [ 9204.905569][T12167] netlink_sendmsg+0x723/0xbe0 [ 9204.905569][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9204.905569][T12167] ___sys_sendmsg+0xee/0x170 [ 9204.905569][T12167] __sys_sendmsg+0xcd/0x170 [ 9204.905569][T12167] do_syscall_64+0xc6/0x1e0 [ 9204.905569][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9204.905569][T12167] [ 9204.907311][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9204.907311][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9204.907311][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9204.907311][T12167] ipv6_find_idev+0x102/0x170 [ 9204.907311][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9204.907311][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9204.907311][T12167] netlink_rcv_skb+0x130/0x360 [ 9204.907311][T12167] netlink_unicast+0x449/0x710 [ 9204.907311][T12167] netlink_sendmsg+0x723/0xbe0 [ 9204.907311][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9204.907311][T12167] ___sys_sendmsg+0xee/0x170 [ 9204.907311][T12167] __sys_sendmsg+0xcd/0x170 [ 9204.907311][T12167] do_syscall_64+0xc6/0x1e0 [ 9204.907311][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9204.907311][T12167] [ 9205.150821][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9205.151220][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9205.151220][ T10] dst_init+0x84/0x4a0 [ 9205.151220][ T10] dst_alloc+0x97/0x150 [ 9205.151220][ T10] ip6_dst_alloc+0x23/0x90 [ 9205.151220][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9205.151220][ T10] ip6_pol_route+0x56f/0x840 [ 9205.151220][ T10] fib6_rule_lookup+0x334/0x630 [ 9205.151220][ T10] ip6_route_output_flags+0x259/0x480 [ 9205.151220][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9205.151220][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9205.151220][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9205.151220][ T10] ____sys_sendmsg+0x772/0xa10 [ 9205.151220][ T10] ___sys_sendmsg+0xee/0x170 [ 9205.151220][ T10] __sys_sendmsg+0xcd/0x170 [ 9205.151220][ T10] do_syscall_64+0xc6/0x1e0 [ 9205.151220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9205.151220][ T10] [ 9205.153122][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9205.153122][ T10] dst_init+0x84/0x4a0 [ 9205.153122][ T10] dst_alloc+0x97/0x150 [ 9205.153122][ T10] ip6_dst_alloc+0x23/0x90 [ 9205.153122][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9205.153122][ T10] ip6_pol_route+0x56f/0x840 [ 9205.153122][ T10] fib6_rule_lookup+0x334/0x630 [ 9205.153122][ T10] ip6_route_output_flags+0x259/0x480 [ 9205.153122][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9205.153122][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9205.153122][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9205.153122][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9205.153122][ T10] ____sys_sendmsg+0x772/0xa10 [ 9205.153122][ T10] ___sys_sendmsg+0xee/0x170 [ 9205.153122][ T10] __sys_sendmsg+0xcd/0x170 [ 9205.153122][ T10] do_syscall_64+0xc6/0x1e0 [ 9205.153122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9205.153122][ T10] [ 9205.155132][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9205.155132][ T10] dst_init+0x84/0x4a0 [ 9205.155132][ T10] dst_alloc+0x97/0x150 [ 9205.155132][ T10] ip6_dst_alloc+0x23/0x90 [ 9205.155132][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9205.155132][ T10] ip6_pol_route+0x56f/0x840 [ 9205.155132][ T10] fib6_rule_lookup+0x334/0x630 [ 9205.155132][ T10] ip6_route_output_flags+0x259/0x480 [ 9205.155132][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9205.155132][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9205.155132][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9205.155132][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9205.155132][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9205.155132][ T10] ___sys_sendmsg+0xee/0x170 [ 9205.155132][ T10] __sys_sendmsg+0xcd/0x170 [ 9205.155132][ T10] do_syscall_64+0xc6/0x1e0 [ 9205.155132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9205.155132][ T10] [ 9205.157133][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9205.157133][ T10] netdev_get_by_index+0x5e/0x80 [ 9205.157133][ T10] fib6_nh_init+0x3d8/0x1580 [ 9205.157133][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9205.157133][ T10] ip6_route_add+0x1c/0x140 [ 9205.157133][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9205.157133][ T10] inet6_addr_add+0x4f8/0xa40 [ 9205.157133][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9205.157133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9205.157133][ T10] netlink_rcv_skb+0x130/0x360 [ 9205.157133][ T10] netlink_unicast+0x449/0x710 [ 9205.157133][ T10] netlink_sendmsg+0x723/0xbe0 [ 9205.157133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9205.157133][ T10] ___sys_sendmsg+0xee/0x170 [ 9205.157133][ T10] __sys_sendmsg+0xcd/0x170 [ 9205.157133][ T10] do_syscall_64+0xc6/0x1e0 [ 9205.157133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9205.157133][ T10] [ 9205.159137][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9205.159137][ T10] netdev_get_by_index+0x5e/0x80 [ 9205.159137][ T10] fib6_nh_init+0x3d8/0x1580 [ 9205.159137][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9205.159137][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9205.159137][ T10] ipv6_add_addr+0x411/0x2000 [ 9205.159137][ T10] inet6_addr_add+0x30e/0xa40 [ 9205.159137][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9205.159137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9205.159137][ T10] netlink_rcv_skb+0x130/0x360 [ 9205.159137][ T10] netlink_unicast+0x449/0x710 [ 9205.159137][ T10] netlink_sendmsg+0x723/0xbe0 [ 9205.159137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9205.159137][ T10] ___sys_sendmsg+0xee/0x170 [ 9205.159137][ T10] __sys_sendmsg+0xcd/0x170 [ 9205.159137][ T10] do_syscall_64+0xc6/0x1e0 [ 9205.159137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9205.159137][ T10] [ 9205.161143][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9205.161143][ T10] netdev_get_by_index+0x5e/0x80 [ 9205.161143][ T10] fib6_nh_init+0x3d8/0x1580 [ 9205.161143][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9205.161143][ T10] ip6_route_add+0x1c/0x140 [ 9205.161143][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9205.161143][ T10] addrconf_add_dev+0xe2/0x170 [ 9205.161143][ T10] inet6_addr_add+0x12f/0xa40 [ 9205.161143][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9205.161143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9205.161143][ T10] netlink_rcv_skb+0x130/0x360 [ 9205.161143][ T10] netlink_unicast+0x449/0x710 [ 9205.161143][ T10] netlink_sendmsg+0x723/0xbe0 [ 9205.161143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9205.161143][ T10] ___sys_sendmsg+0xee/0x170 [ 9205.161143][ T10] __sys_sendmsg+0xcd/0x170 [ 9205.161143][ T10] do_syscall_64+0xc6/0x1e0 [ 9205.161143][ T10] [ 9205.163124][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9205.163124][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9205.163124][ T10] ipv6_find_idev+0x102/0x170 [ 9205.163124][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9205.163124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9205.163124][ T10] netlink_rcv_skb+0x130/0x360 [ 9205.163124][ T10] netlink_unicast+0x449/0x710 [ 9205.163124][ T10] netlink_sendmsg+0x723/0xbe0 [ 9205.163124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9205.163124][ T10] ___sys_sendmsg+0xee/0x170 [ 9205.163124][ T10] __sys_sendmsg+0xcd/0x170 [ 9205.163124][ T10] do_syscall_64+0xc6/0x1e0 [ 9205.163124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9205.163124][ T10] [ 9205.164673][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9205.164673][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9205.164673][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9205.164673][ T10] ipv6_find_idev+0x102/0x170 [ 9205.164673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9205.164673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9205.164673][ T10] netlink_rcv_skb+0x130/0x360 [ 9205.164673][ T10] netlink_unicast+0x449/0x710 [ 9205.164673][ T10] netlink_sendmsg+0x723/0xbe0 [ 9205.164673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9205.164673][ T10] ___sys_sendmsg+0xee/0x170 [ 9205.164673][ T10] __sys_sendmsg+0xcd/0x170 [ 9205.164673][ T10] do_syscall_64+0xc6/0x1e0 [ 9205.164673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9205.164673][ T10] [ 9215.150904][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9215.151420][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9215.151420][T12167] netdev_get_by_index+0x5e/0x80 [ 9215.151420][T12167] fib6_nh_init+0x3d8/0x1580 [ 9215.151420][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9215.151420][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9215.151420][T12167] ipv6_add_addr+0x411/0x2000 [ 9215.151420][T12167] inet6_addr_add+0x30e/0xa40 [ 9215.151420][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9215.151420][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9215.151420][T12167] netlink_rcv_skb+0x130/0x360 [ 9215.151420][T12167] netlink_unicast+0x449/0x710 [ 9215.151420][T12167] netlink_sendmsg+0x723/0xbe0 [ 9215.151420][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9215.151420][T12167] ___sys_sendmsg+0xee/0x170 [ 9215.151420][T12167] __sys_sendmsg+0xcd/0x170 [ 9215.151420][T12167] do_syscall_64+0xc6/0x1e0 [ 9215.151420][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9215.151420][T12167] [ 9215.153729][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9215.153729][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9215.153729][T12167] ipv6_find_idev+0x102/0x170 [ 9215.153729][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9215.153729][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9215.153729][T12167] netlink_rcv_skb+0x130/0x360 [ 9215.153729][T12167] netlink_unicast+0x449/0x710 [ 9215.153729][T12167] netlink_sendmsg+0x723/0xbe0 [ 9215.153729][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9215.153729][T12167] ___sys_sendmsg+0xee/0x170 [ 9215.153729][T12167] __sys_sendmsg+0xcd/0x170 [ 9215.153729][T12167] do_syscall_64+0xc6/0x1e0 [ 9215.153729][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9215.153729][T12167] [ 9215.155479][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9215.155479][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9215.155479][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9215.155479][T12167] ipv6_find_idev+0x102/0x170 [ 9215.155479][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9215.155479][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9215.155479][T12167] netlink_rcv_skb+0x130/0x360 [ 9215.155479][T12167] netlink_unicast+0x449/0x710 [ 9215.155479][T12167] netlink_sendmsg+0x723/0xbe0 [ 9215.155479][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9215.155479][T12167] ___sys_sendmsg+0xee/0x170 [ 9215.155479][T12167] __sys_sendmsg+0xcd/0x170 [ 9215.155479][T12167] do_syscall_64+0xc6/0x1e0 [ 9215.155479][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9215.155479][T12167] [ 9215.406896][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9215.407307][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9215.407307][ T10] dst_init+0x84/0x4a0 [ 9215.407307][ T10] dst_alloc+0x97/0x150 [ 9215.407307][ T10] ip6_dst_alloc+0x23/0x90 [ 9215.407307][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9215.407307][ T10] ip6_pol_route+0x56f/0x840 [ 9215.407307][ T10] fib6_rule_lookup+0x334/0x630 [ 9215.407307][ T10] ip6_route_output_flags+0x259/0x480 [ 9215.407307][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9215.407307][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9215.407307][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9215.407307][ T10] ____sys_sendmsg+0x772/0xa10 [ 9215.407307][ T10] ___sys_sendmsg+0xee/0x170 [ 9215.407307][ T10] __sys_sendmsg+0xcd/0x170 [ 9215.407307][ T10] do_syscall_64+0xc6/0x1e0 [ 9215.407307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9215.407307][ T10] [ 9215.409236][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9215.409236][ T10] dst_init+0x84/0x4a0 [ 9215.409236][ T10] dst_alloc+0x97/0x150 [ 9215.409236][ T10] ip6_dst_alloc+0x23/0x90 [ 9215.409236][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9215.409236][ T10] ip6_pol_route+0x56f/0x840 [ 9215.409236][ T10] fib6_rule_lookup+0x334/0x630 [ 9215.409236][ T10] ip6_route_output_flags+0x259/0x480 [ 9215.409236][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9215.409236][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9215.409236][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9215.409236][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9215.409236][ T10] ____sys_sendmsg+0x772/0xa10 [ 9215.409236][ T10] ___sys_sendmsg+0xee/0x170 [ 9215.409236][ T10] __sys_sendmsg+0xcd/0x170 [ 9215.409236][ T10] do_syscall_64+0xc6/0x1e0 [ 9215.409236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9215.409236][ T10] [ 9215.411226][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9215.411226][ T10] dst_init+0x84/0x4a0 [ 9215.411226][ T10] dst_alloc+0x97/0x150 [ 9215.411226][ T10] ip6_dst_alloc+0x23/0x90 [ 9215.411226][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9215.411226][ T10] ip6_pol_route+0x56f/0x840 [ 9215.411226][ T10] fib6_rule_lookup+0x334/0x630 [ 9215.411226][ T10] ip6_route_output_flags+0x259/0x480 [ 9215.411226][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9215.411226][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9215.411226][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9215.411226][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9215.411226][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9215.411226][ T10] ___sys_sendmsg+0xee/0x170 [ 9215.411226][ T10] __sys_sendmsg+0xcd/0x170 [ 9215.411226][ T10] do_syscall_64+0xc6/0x1e0 [ 9215.411226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9215.411226][ T10] [ 9215.413235][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9215.413235][ T10] netdev_get_by_index+0x5e/0x80 [ 9215.413235][ T10] fib6_nh_init+0x3d8/0x1580 [ 9215.413235][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9215.413235][ T10] ip6_route_add+0x1c/0x140 [ 9215.413235][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9215.413235][ T10] inet6_addr_add+0x4f8/0xa40 [ 9215.413235][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9215.413235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9215.413235][ T10] netlink_rcv_skb+0x130/0x360 [ 9215.413235][ T10] netlink_unicast+0x449/0x710 [ 9215.413235][ T10] netlink_sendmsg+0x723/0xbe0 [ 9215.413235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9215.413235][ T10] ___sys_sendmsg+0xee/0x170 [ 9215.413235][ T10] __sys_sendmsg+0xcd/0x170 [ 9215.413235][ T10] do_syscall_64+0xc6/0x1e0 [ 9215.413235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9215.413235][ T10] [ 9215.415229][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9215.415229][ T10] netdev_get_by_index+0x5e/0x80 [ 9215.415229][ T10] fib6_nh_init+0x3d8/0x1580 [ 9215.415229][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9215.415229][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9215.415229][ T10] ipv6_add_addr+0x411/0x2000 [ 9215.415229][ T10] inet6_addr_add+0x30e/0xa40 [ 9215.415229][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9215.415229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9215.415229][ T10] netlink_rcv_skb+0x130/0x360 [ 9215.415229][ T10] netlink_unicast+0x449/0x710 [ 9215.415229][ T10] netlink_sendmsg+0x723/0xbe0 [ 9215.415229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9215.415229][ T10] ___sys_sendmsg+0xee/0x170 [ 9215.415229][ T10] __sys_sendmsg+0xcd/0x170 [ 9215.415229][ T10] do_syscall_64+0xc6/0x1e0 [ 9215.415229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9215.415229][ T10] [ 9215.417220][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9215.417220][ T10] netdev_get_by_index+0x5e/0x80 [ 9215.417220][ T10] fib6_nh_init+0x3d8/0x1580 [ 9215.417220][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9215.417220][ T10] ip6_route_add+0x1c/0x140 [ 9215.417220][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9215.417220][ T10] addrconf_add_dev+0xe2/0x170 [ 9215.417220][ T10] inet6_addr_add+0x12f/0xa40 [ 9215.417220][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9215.417220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9215.417220][ T10] netlink_rcv_skb+0x130/0x360 [ 9215.417220][ T10] netlink_unicast+0x449/0x710 [ 9215.417220][ T10] netlink_sendmsg+0x723/0xbe0 [ 9215.417220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9215.417220][ T10] ___sys_sendmsg+0xee/0x170 [ 9215.417220][ T10] __sys_sendmsg+0xcd/0x170 [ 9215.417220][ T10] do_syscall_64+0xc6/0x1e0 [ 9215.417220][ T10] [ 9215.419179][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9215.419179][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9215.419179][ T10] ipv6_find_idev+0x102/0x170 [ 9215.419179][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9215.419179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9215.419179][ T10] netlink_rcv_skb+0x130/0x360 [ 9215.419179][ T10] netlink_unicast+0x449/0x710 [ 9215.419179][ T10] netlink_sendmsg+0x723/0xbe0 [ 9215.419179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9215.419179][ T10] ___sys_sendmsg+0xee/0x170 [ 9215.419179][ T10] __sys_sendmsg+0xcd/0x170 [ 9215.419179][ T10] do_syscall_64+0xc6/0x1e0 [ 9215.419179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9215.419179][ T10] [ 9215.420722][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9215.420722][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9215.420722][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9215.420722][ T10] ipv6_find_idev+0x102/0x170 [ 9215.420722][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9215.420722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9215.420722][ T10] netlink_rcv_skb+0x130/0x360 [ 9215.420722][ T10] netlink_unicast+0x449/0x710 [ 9215.420722][ T10] netlink_sendmsg+0x723/0xbe0 [ 9215.420722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9215.420722][ T10] ___sys_sendmsg+0xee/0x170 [ 9215.420722][ T10] __sys_sendmsg+0xcd/0x170 [ 9215.420722][ T10] do_syscall_64+0xc6/0x1e0 [ 9215.420722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9215.420722][ T10] [ 9217.318856][ T42] INFO: task modprobe:12646 blocked for more than 491 seconds. [ 9217.319146][ T42] Not tainted 6.8.0-virtme #1 [ 9217.319269][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 9217.319467][ T42] task:modprobe state:D stack:25856 pid:12646 tgid:12646 ppid:44 flags:0x00004002 [ 9217.319744][ T42] Call Trace: [ 9217.319843][ T42] [ 9217.319913][ T42] __schedule+0x705/0x1ac0 [ 9217.320051][ T42] ? __pfx___schedule+0x10/0x10 [ 9217.320174][ T42] ? schedule+0x1a5/0x210 [ 9217.320271][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 9217.320402][ T42] ? mark_lock+0x38/0x3e0 [ 9217.320497][ T42] ? do_raw_spin_lock+0x131/0x270 [ 9217.320628][ T42] ? schedule+0x1a5/0x210 [ 9217.320737][ T42] schedule+0xdf/0x210 [ 9217.320837][ T42] schedule_preempt_disabled+0x15/0x30 [ 9217.320958][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 9217.321087][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 9217.321242][ T42] ? __pfx_console_unlock+0x10/0x10 [ 9217.321365][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 9217.321494][ T42] ? lock_acquire+0x1c1/0x220 [ 9217.321622][ T42] ? register_pernet_subsys+0x1a/0x50 [ 9217.321763][ T42] down_write+0x1c9/0x200 [ 9217.321859][ T42] ? __pfx_down_write+0x10/0x10 [ 9217.321981][ T42] ? __pfx__printk+0x10/0x10 [ 9217.322109][ T42] ? __pfx___lock_release+0x10/0x10 [ 9217.322237][ T42] register_pernet_subsys+0x1a/0x50 [ 9217.322367][ T42] tcf_register_action+0xa3/0x600 [ 9217.322502][ T42] ? __pfx_gact_init_module+0x10/0x10 [act_gact] [ 9217.322664][ T42] do_one_initcall+0xc8/0x3f0 [ 9217.322800][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 9217.322927][ T42] ? __create_object+0x5e/0xb0 [ 9217.323055][ T42] ? kasan_unpoison+0x27/0x60 [ 9217.323185][ T42] do_init_module+0x233/0x740 [ 9217.323321][ T42] load_module+0x16b5/0x2350 [ 9217.323458][ T42] ? __pfx_load_module+0x10/0x10 [ 9217.323580][ T42] ? kernel_read_file+0x3d2/0x520 [ 9217.323721][ T42] ? kernel_read_file+0x300/0x520 [ 9217.323855][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 9217.323987][ T42] ? init_module_from_file+0xd2/0x130 [ 9217.324114][ T42] init_module_from_file+0xd2/0x130 [ 9217.324237][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 9217.324390][ T42] ? __lock_release+0x103/0x460 [ 9217.324513][ T42] ? idempotent_init_module+0x32a/0x620 [ 9217.324647][ T42] ? idempotent_init_module+0x32a/0x620 [ 9217.324782][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 9217.324912][ T42] idempotent_init_module+0x342/0x620 [ 9217.325040][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 9217.325211][ T42] __x64_sys_finit_module+0xbe/0x130 [ 9217.325337][ T42] do_syscall_64+0xc6/0x1e0 [ 9217.325463][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9217.325619][ T42] RIP: 0033:0x7fac120f1e5d [ 9217.325758][ T42] RSP: 002b:00007ffc57d8a578 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 9217.325947][ T42] RAX: ffffffffffffffda RBX: 0000557fdddd7c80 RCX: 00007fac120f1e5d [ 9217.326131][ T42] RDX: 0000000000000000 RSI: 0000557fb6aeba2a RDI: 0000000000000000 [ 9217.326312][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffc57d8a6b0 [ 9217.326497][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557fb6aeba2a [ 9217.326682][ T42] R13: 0000557fdddd7ac0 R14: 0000557fdddd80b0 R15: 0000557fdddd7cf1 [ 9217.326886][ T42] [ 9217.326983][ T42] [ 9217.326983][ T42] Showing all locks held in the system: [ 9217.327158][ T42] 3 locks held by kworker/u16:0/10: [ 9217.327282][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 9217.327532][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 9217.327795][ T42] #2: ffffffff91f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 9217.328015][ T42] 1 lock held by khungtaskd/42: [ 9217.328135][ T42] #0: ffffffff917591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 9217.328352][ T42] 2 locks held by kworker/u17:1/44: [ 9217.328469][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 9217.328723][ T42] #1: ffffc90000317da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 9217.329008][ T42] 1 lock held by modprobe/12646: [ 9217.329125][ T42] #0: ffffffff91f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 9217.329372][ T42] [ 9217.329432][ T42] ============================================= [ 9217.329432][ T42] [ 9225.398819][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9225.399354][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9225.399354][T12167] netdev_get_by_index+0x5e/0x80 [ 9225.399354][T12167] fib6_nh_init+0x3d8/0x1580 [ 9225.399354][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9225.399354][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9225.399354][T12167] ipv6_add_addr+0x411/0x2000 [ 9225.399354][T12167] inet6_addr_add+0x30e/0xa40 [ 9225.399354][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9225.399354][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9225.399354][T12167] netlink_rcv_skb+0x130/0x360 [ 9225.399354][T12167] netlink_unicast+0x449/0x710 [ 9225.399354][T12167] netlink_sendmsg+0x723/0xbe0 [ 9225.399354][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9225.399354][T12167] ___sys_sendmsg+0xee/0x170 [ 9225.399354][T12167] __sys_sendmsg+0xcd/0x170 [ 9225.399354][T12167] do_syscall_64+0xc6/0x1e0 [ 9225.399354][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9225.399354][T12167] [ 9225.401659][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9225.401659][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9225.401659][T12167] ipv6_find_idev+0x102/0x170 [ 9225.401659][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9225.401659][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9225.401659][T12167] netlink_rcv_skb+0x130/0x360 [ 9225.401659][T12167] netlink_unicast+0x449/0x710 [ 9225.401659][T12167] netlink_sendmsg+0x723/0xbe0 [ 9225.401659][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9225.401659][T12167] ___sys_sendmsg+0xee/0x170 [ 9225.401659][T12167] __sys_sendmsg+0xcd/0x170 [ 9225.401659][T12167] do_syscall_64+0xc6/0x1e0 [ 9225.401659][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9225.401659][T12167] [ 9225.403426][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9225.403426][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9225.403426][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9225.403426][T12167] ipv6_find_idev+0x102/0x170 [ 9225.403426][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9225.403426][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9225.403426][T12167] netlink_rcv_skb+0x130/0x360 [ 9225.403426][T12167] netlink_unicast+0x449/0x710 [ 9225.403426][T12167] netlink_sendmsg+0x723/0xbe0 [ 9225.403426][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9225.403426][T12167] ___sys_sendmsg+0xee/0x170 [ 9225.403426][T12167] __sys_sendmsg+0xcd/0x170 [ 9225.403426][T12167] do_syscall_64+0xc6/0x1e0 [ 9225.403426][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9225.403426][T12167] [ 9225.670737][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9225.671137][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9225.671137][ T10] dst_init+0x84/0x4a0 [ 9225.671137][ T10] dst_alloc+0x97/0x150 [ 9225.671137][ T10] ip6_dst_alloc+0x23/0x90 [ 9225.671137][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9225.671137][ T10] ip6_pol_route+0x56f/0x840 [ 9225.671137][ T10] fib6_rule_lookup+0x334/0x630 [ 9225.671137][ T10] ip6_route_output_flags+0x259/0x480 [ 9225.671137][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9225.671137][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9225.671137][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9225.671137][ T10] ____sys_sendmsg+0x772/0xa10 [ 9225.671137][ T10] ___sys_sendmsg+0xee/0x170 [ 9225.671137][ T10] __sys_sendmsg+0xcd/0x170 [ 9225.671137][ T10] do_syscall_64+0xc6/0x1e0 [ 9225.671137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9225.671137][ T10] [ 9225.673034][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9225.673034][ T10] dst_init+0x84/0x4a0 [ 9225.673034][ T10] dst_alloc+0x97/0x150 [ 9225.673034][ T10] ip6_dst_alloc+0x23/0x90 [ 9225.673034][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9225.673034][ T10] ip6_pol_route+0x56f/0x840 [ 9225.673034][ T10] fib6_rule_lookup+0x334/0x630 [ 9225.673034][ T10] ip6_route_output_flags+0x259/0x480 [ 9225.673034][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9225.673034][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9225.673034][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9225.673034][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9225.673034][ T10] ____sys_sendmsg+0x772/0xa10 [ 9225.673034][ T10] ___sys_sendmsg+0xee/0x170 [ 9225.673034][ T10] __sys_sendmsg+0xcd/0x170 [ 9225.673034][ T10] do_syscall_64+0xc6/0x1e0 [ 9225.673034][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9225.673034][ T10] [ 9225.675029][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9225.675029][ T10] dst_init+0x84/0x4a0 [ 9225.675029][ T10] dst_alloc+0x97/0x150 [ 9225.675029][ T10] ip6_dst_alloc+0x23/0x90 [ 9225.675029][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9225.675029][ T10] ip6_pol_route+0x56f/0x840 [ 9225.675029][ T10] fib6_rule_lookup+0x334/0x630 [ 9225.675029][ T10] ip6_route_output_flags+0x259/0x480 [ 9225.675029][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9225.675029][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9225.675029][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9225.675029][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9225.675029][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9225.675029][ T10] ___sys_sendmsg+0xee/0x170 [ 9225.675029][ T10] __sys_sendmsg+0xcd/0x170 [ 9225.675029][ T10] do_syscall_64+0xc6/0x1e0 [ 9225.675029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9225.675029][ T10] [ 9225.677021][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9225.677021][ T10] netdev_get_by_index+0x5e/0x80 [ 9225.677021][ T10] fib6_nh_init+0x3d8/0x1580 [ 9225.677021][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9225.677021][ T10] ip6_route_add+0x1c/0x140 [ 9225.677021][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9225.677021][ T10] inet6_addr_add+0x4f8/0xa40 [ 9225.677021][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9225.677021][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9225.677021][ T10] netlink_rcv_skb+0x130/0x360 [ 9225.677021][ T10] netlink_unicast+0x449/0x710 [ 9225.677021][ T10] netlink_sendmsg+0x723/0xbe0 [ 9225.677021][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9225.677021][ T10] ___sys_sendmsg+0xee/0x170 [ 9225.677021][ T10] __sys_sendmsg+0xcd/0x170 [ 9225.677021][ T10] do_syscall_64+0xc6/0x1e0 [ 9225.677021][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9225.677021][ T10] [ 9225.679133][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9225.679133][ T10] netdev_get_by_index+0x5e/0x80 [ 9225.679133][ T10] fib6_nh_init+0x3d8/0x1580 [ 9225.679133][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9225.679133][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9225.679133][ T10] ipv6_add_addr+0x411/0x2000 [ 9225.679133][ T10] inet6_addr_add+0x30e/0xa40 [ 9225.679133][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9225.679133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9225.679133][ T10] netlink_rcv_skb+0x130/0x360 [ 9225.679133][ T10] netlink_unicast+0x449/0x710 [ 9225.679133][ T10] netlink_sendmsg+0x723/0xbe0 [ 9225.679133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9225.679133][ T10] ___sys_sendmsg+0xee/0x170 [ 9225.679133][ T10] __sys_sendmsg+0xcd/0x170 [ 9225.679133][ T10] do_syscall_64+0xc6/0x1e0 [ 9225.679133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9225.679133][ T10] [ 9225.681130][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9225.681130][ T10] netdev_get_by_index+0x5e/0x80 [ 9225.681130][ T10] fib6_nh_init+0x3d8/0x1580 [ 9225.681130][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9225.681130][ T10] ip6_route_add+0x1c/0x140 [ 9225.681130][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9225.681130][ T10] addrconf_add_dev+0xe2/0x170 [ 9225.681130][ T10] inet6_addr_add+0x12f/0xa40 [ 9225.681130][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9225.681130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9225.681130][ T10] netlink_rcv_skb+0x130/0x360 [ 9225.681130][ T10] netlink_unicast+0x449/0x710 [ 9225.681130][ T10] netlink_sendmsg+0x723/0xbe0 [ 9225.681130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9225.681130][ T10] ___sys_sendmsg+0xee/0x170 [ 9225.681130][ T10] __sys_sendmsg+0xcd/0x170 [ 9225.681130][ T10] do_syscall_64+0xc6/0x1e0 [ 9225.681130][ T10] [ 9225.683118][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9225.683118][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9225.683118][ T10] ipv6_find_idev+0x102/0x170 [ 9225.683118][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9225.683118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9225.683118][ T10] netlink_rcv_skb+0x130/0x360 [ 9225.683118][ T10] netlink_unicast+0x449/0x710 [ 9225.683118][ T10] netlink_sendmsg+0x723/0xbe0 [ 9225.683118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9225.683118][ T10] ___sys_sendmsg+0xee/0x170 [ 9225.683118][ T10] __sys_sendmsg+0xcd/0x170 [ 9225.683118][ T10] do_syscall_64+0xc6/0x1e0 [ 9225.683118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9225.683118][ T10] [ 9225.684663][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9225.684663][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9225.684663][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9225.684663][ T10] ipv6_find_idev+0x102/0x170 [ 9225.684663][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9225.684663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9225.684663][ T10] netlink_rcv_skb+0x130/0x360 [ 9225.684663][ T10] netlink_unicast+0x449/0x710 [ 9225.684663][ T10] netlink_sendmsg+0x723/0xbe0 [ 9225.684663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9225.684663][ T10] ___sys_sendmsg+0xee/0x170 [ 9225.684663][ T10] __sys_sendmsg+0xcd/0x170 [ 9225.684663][ T10] do_syscall_64+0xc6/0x1e0 [ 9225.684663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9225.684663][ T10] [ 9235.646819][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9235.647325][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9235.647325][T12167] netdev_get_by_index+0x5e/0x80 [ 9235.647325][T12167] fib6_nh_init+0x3d8/0x1580 [ 9235.647325][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9235.647325][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9235.647325][T12167] ipv6_add_addr+0x411/0x2000 [ 9235.647325][T12167] inet6_addr_add+0x30e/0xa40 [ 9235.647325][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9235.647325][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9235.647325][T12167] netlink_rcv_skb+0x130/0x360 [ 9235.647325][T12167] netlink_unicast+0x449/0x710 [ 9235.647325][T12167] netlink_sendmsg+0x723/0xbe0 [ 9235.647325][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9235.647325][T12167] ___sys_sendmsg+0xee/0x170 [ 9235.647325][T12167] __sys_sendmsg+0xcd/0x170 [ 9235.647325][T12167] do_syscall_64+0xc6/0x1e0 [ 9235.647325][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9235.647325][T12167] [ 9235.649622][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9235.649622][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9235.649622][T12167] ipv6_find_idev+0x102/0x170 [ 9235.649622][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9235.649622][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9235.649622][T12167] netlink_rcv_skb+0x130/0x360 [ 9235.649622][T12167] netlink_unicast+0x449/0x710 [ 9235.649622][T12167] netlink_sendmsg+0x723/0xbe0 [ 9235.649622][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9235.649622][T12167] ___sys_sendmsg+0xee/0x170 [ 9235.649622][T12167] __sys_sendmsg+0xcd/0x170 [ 9235.649622][T12167] do_syscall_64+0xc6/0x1e0 [ 9235.649622][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9235.649622][T12167] [ 9235.651377][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9235.651377][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9235.651377][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9235.651377][T12167] ipv6_find_idev+0x102/0x170 [ 9235.651377][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9235.651377][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9235.651377][T12167] netlink_rcv_skb+0x130/0x360 [ 9235.651377][T12167] netlink_unicast+0x449/0x710 [ 9235.651377][T12167] netlink_sendmsg+0x723/0xbe0 [ 9235.651377][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9235.651377][T12167] ___sys_sendmsg+0xee/0x170 [ 9235.651377][T12167] __sys_sendmsg+0xcd/0x170 [ 9235.651377][T12167] do_syscall_64+0xc6/0x1e0 [ 9235.651377][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9235.651377][T12167] [ 9235.926832][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9235.927236][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9235.927236][ T10] dst_init+0x84/0x4a0 [ 9235.927236][ T10] dst_alloc+0x97/0x150 [ 9235.927236][ T10] ip6_dst_alloc+0x23/0x90 [ 9235.927236][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9235.927236][ T10] ip6_pol_route+0x56f/0x840 [ 9235.927236][ T10] fib6_rule_lookup+0x334/0x630 [ 9235.927236][ T10] ip6_route_output_flags+0x259/0x480 [ 9235.927236][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9235.927236][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9235.927236][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9235.927236][ T10] ____sys_sendmsg+0x772/0xa10 [ 9235.927236][ T10] ___sys_sendmsg+0xee/0x170 [ 9235.927236][ T10] __sys_sendmsg+0xcd/0x170 [ 9235.927236][ T10] do_syscall_64+0xc6/0x1e0 [ 9235.927236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9235.927236][ T10] [ 9235.929133][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9235.929133][ T10] dst_init+0x84/0x4a0 [ 9235.929133][ T10] dst_alloc+0x97/0x150 [ 9235.929133][ T10] ip6_dst_alloc+0x23/0x90 [ 9235.929133][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9235.929133][ T10] ip6_pol_route+0x56f/0x840 [ 9235.929133][ T10] fib6_rule_lookup+0x334/0x630 [ 9235.929133][ T10] ip6_route_output_flags+0x259/0x480 [ 9235.929133][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9235.929133][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9235.929133][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9235.929133][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9235.929133][ T10] ____sys_sendmsg+0x772/0xa10 [ 9235.929133][ T10] ___sys_sendmsg+0xee/0x170 [ 9235.929133][ T10] __sys_sendmsg+0xcd/0x170 [ 9235.929133][ T10] do_syscall_64+0xc6/0x1e0 [ 9235.929133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9235.929133][ T10] [ 9235.931140][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9235.931140][ T10] dst_init+0x84/0x4a0 [ 9235.931140][ T10] dst_alloc+0x97/0x150 [ 9235.931140][ T10] ip6_dst_alloc+0x23/0x90 [ 9235.931140][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9235.931140][ T10] ip6_pol_route+0x56f/0x840 [ 9235.931140][ T10] fib6_rule_lookup+0x334/0x630 [ 9235.931140][ T10] ip6_route_output_flags+0x259/0x480 [ 9235.931140][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9235.931140][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9235.931140][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9235.931140][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9235.931140][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9235.931140][ T10] ___sys_sendmsg+0xee/0x170 [ 9235.931140][ T10] __sys_sendmsg+0xcd/0x170 [ 9235.931140][ T10] do_syscall_64+0xc6/0x1e0 [ 9235.931140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9235.931140][ T10] [ 9235.933150][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9235.933150][ T10] netdev_get_by_index+0x5e/0x80 [ 9235.933150][ T10] fib6_nh_init+0x3d8/0x1580 [ 9235.933150][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9235.933150][ T10] ip6_route_add+0x1c/0x140 [ 9235.933150][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9235.933150][ T10] inet6_addr_add+0x4f8/0xa40 [ 9235.933150][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9235.933150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9235.933150][ T10] netlink_rcv_skb+0x130/0x360 [ 9235.933150][ T10] netlink_unicast+0x449/0x710 [ 9235.933150][ T10] netlink_sendmsg+0x723/0xbe0 [ 9235.933150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9235.933150][ T10] ___sys_sendmsg+0xee/0x170 [ 9235.933150][ T10] __sys_sendmsg+0xcd/0x170 [ 9235.933150][ T10] do_syscall_64+0xc6/0x1e0 [ 9235.933150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9235.933150][ T10] [ 9235.935155][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9235.935155][ T10] netdev_get_by_index+0x5e/0x80 [ 9235.935155][ T10] fib6_nh_init+0x3d8/0x1580 [ 9235.935155][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9235.935155][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9235.935155][ T10] ipv6_add_addr+0x411/0x2000 [ 9235.935155][ T10] inet6_addr_add+0x30e/0xa40 [ 9235.935155][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9235.935155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9235.935155][ T10] netlink_rcv_skb+0x130/0x360 [ 9235.935155][ T10] netlink_unicast+0x449/0x710 [ 9235.935155][ T10] netlink_sendmsg+0x723/0xbe0 [ 9235.935155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9235.935155][ T10] ___sys_sendmsg+0xee/0x170 [ 9235.935155][ T10] __sys_sendmsg+0xcd/0x170 [ 9235.935155][ T10] do_syscall_64+0xc6/0x1e0 [ 9235.935155][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9235.935155][ T10] [ 9235.937151][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9235.937151][ T10] netdev_get_by_index+0x5e/0x80 [ 9235.937151][ T10] fib6_nh_init+0x3d8/0x1580 [ 9235.937151][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9235.937151][ T10] ip6_route_add+0x1c/0x140 [ 9235.937151][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9235.937151][ T10] addrconf_add_dev+0xe2/0x170 [ 9235.937151][ T10] inet6_addr_add+0x12f/0xa40 [ 9235.937151][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9235.937151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9235.937151][ T10] netlink_rcv_skb+0x130/0x360 [ 9235.937151][ T10] netlink_unicast+0x449/0x710 [ 9235.937151][ T10] netlink_sendmsg+0x723/0xbe0 [ 9235.937151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9235.937151][ T10] ___sys_sendmsg+0xee/0x170 [ 9235.937151][ T10] __sys_sendmsg+0xcd/0x170 [ 9235.937151][ T10] do_syscall_64+0xc6/0x1e0 [ 9235.937151][ T10] [ 9235.939122][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9235.939122][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9235.939122][ T10] ipv6_find_idev+0x102/0x170 [ 9235.939122][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9235.939122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9235.939122][ T10] netlink_rcv_skb+0x130/0x360 [ 9235.939122][ T10] netlink_unicast+0x449/0x710 [ 9235.939122][ T10] netlink_sendmsg+0x723/0xbe0 [ 9235.939122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9235.939122][ T10] ___sys_sendmsg+0xee/0x170 [ 9235.939122][ T10] __sys_sendmsg+0xcd/0x170 [ 9235.939122][ T10] do_syscall_64+0xc6/0x1e0 [ 9235.939122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9235.939122][ T10] [ 9235.940661][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9235.940661][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9235.940661][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9235.940661][ T10] ipv6_find_idev+0x102/0x170 [ 9235.940661][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9235.940661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9235.940661][ T10] netlink_rcv_skb+0x130/0x360 [ 9235.940661][ T10] netlink_unicast+0x449/0x710 [ 9235.940661][ T10] netlink_sendmsg+0x723/0xbe0 [ 9235.940661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9235.940661][ T10] ___sys_sendmsg+0xee/0x170 [ 9235.940661][ T10] __sys_sendmsg+0xcd/0x170 [ 9235.940661][ T10] do_syscall_64+0xc6/0x1e0 [ 9235.940661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9235.940661][ T10] [ 9245.894802][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9245.895316][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9245.895316][T12167] netdev_get_by_index+0x5e/0x80 [ 9245.895316][T12167] fib6_nh_init+0x3d8/0x1580 [ 9245.895316][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9245.895316][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9245.895316][T12167] ipv6_add_addr+0x411/0x2000 [ 9245.895316][T12167] inet6_addr_add+0x30e/0xa40 [ 9245.895316][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9245.895316][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9245.895316][T12167] netlink_rcv_skb+0x130/0x360 [ 9245.895316][T12167] netlink_unicast+0x449/0x710 [ 9245.895316][T12167] netlink_sendmsg+0x723/0xbe0 [ 9245.895316][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9245.895316][T12167] ___sys_sendmsg+0xee/0x170 [ 9245.895316][T12167] __sys_sendmsg+0xcd/0x170 [ 9245.895316][T12167] do_syscall_64+0xc6/0x1e0 [ 9245.895316][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9245.895316][T12167] [ 9245.897606][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9245.897606][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9245.897606][T12167] ipv6_find_idev+0x102/0x170 [ 9245.897606][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9245.897606][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9245.897606][T12167] netlink_rcv_skb+0x130/0x360 [ 9245.897606][T12167] netlink_unicast+0x449/0x710 [ 9245.897606][T12167] netlink_sendmsg+0x723/0xbe0 [ 9245.897606][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9245.897606][T12167] ___sys_sendmsg+0xee/0x170 [ 9245.897606][T12167] __sys_sendmsg+0xcd/0x170 [ 9245.897606][T12167] do_syscall_64+0xc6/0x1e0 [ 9245.897606][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9245.897606][T12167] [ 9245.899376][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9245.899376][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9245.899376][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9245.899376][T12167] ipv6_find_idev+0x102/0x170 [ 9245.899376][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9245.899376][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9245.899376][T12167] netlink_rcv_skb+0x130/0x360 [ 9245.899376][T12167] netlink_unicast+0x449/0x710 [ 9245.899376][T12167] netlink_sendmsg+0x723/0xbe0 [ 9245.899376][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9245.899376][T12167] ___sys_sendmsg+0xee/0x170 [ 9245.899376][T12167] __sys_sendmsg+0xcd/0x170 [ 9245.899376][T12167] do_syscall_64+0xc6/0x1e0 [ 9245.899376][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9245.899376][T12167] [ 9246.182811][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9246.183209][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9246.183209][ T10] dst_init+0x84/0x4a0 [ 9246.183209][ T10] dst_alloc+0x97/0x150 [ 9246.183209][ T10] ip6_dst_alloc+0x23/0x90 [ 9246.183209][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9246.183209][ T10] ip6_pol_route+0x56f/0x840 [ 9246.183209][ T10] fib6_rule_lookup+0x334/0x630 [ 9246.183209][ T10] ip6_route_output_flags+0x259/0x480 [ 9246.183209][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9246.183209][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9246.183209][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9246.183209][ T10] ____sys_sendmsg+0x772/0xa10 [ 9246.183209][ T10] ___sys_sendmsg+0xee/0x170 [ 9246.183209][ T10] __sys_sendmsg+0xcd/0x170 [ 9246.183209][ T10] do_syscall_64+0xc6/0x1e0 [ 9246.183209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9246.183209][ T10] [ 9246.185101][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9246.185101][ T10] dst_init+0x84/0x4a0 [ 9246.185101][ T10] dst_alloc+0x97/0x150 [ 9246.185101][ T10] ip6_dst_alloc+0x23/0x90 [ 9246.185101][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9246.185101][ T10] ip6_pol_route+0x56f/0x840 [ 9246.185101][ T10] fib6_rule_lookup+0x334/0x630 [ 9246.185101][ T10] ip6_route_output_flags+0x259/0x480 [ 9246.185101][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9246.185101][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9246.185101][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9246.185101][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9246.185101][ T10] ____sys_sendmsg+0x772/0xa10 [ 9246.185101][ T10] ___sys_sendmsg+0xee/0x170 [ 9246.185101][ T10] __sys_sendmsg+0xcd/0x170 [ 9246.185101][ T10] do_syscall_64+0xc6/0x1e0 [ 9246.185101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9246.185101][ T10] [ 9246.187088][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9246.187088][ T10] dst_init+0x84/0x4a0 [ 9246.187088][ T10] dst_alloc+0x97/0x150 [ 9246.187088][ T10] ip6_dst_alloc+0x23/0x90 [ 9246.187088][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9246.187088][ T10] ip6_pol_route+0x56f/0x840 [ 9246.187088][ T10] fib6_rule_lookup+0x334/0x630 [ 9246.187088][ T10] ip6_route_output_flags+0x259/0x480 [ 9246.187088][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9246.187088][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9246.187088][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9246.187088][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9246.187088][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9246.187088][ T10] ___sys_sendmsg+0xee/0x170 [ 9246.187088][ T10] __sys_sendmsg+0xcd/0x170 [ 9246.187088][ T10] do_syscall_64+0xc6/0x1e0 [ 9246.187088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9246.187088][ T10] [ 9246.189171][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9246.189171][ T10] netdev_get_by_index+0x5e/0x80 [ 9246.189171][ T10] fib6_nh_init+0x3d8/0x1580 [ 9246.189171][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9246.189171][ T10] ip6_route_add+0x1c/0x140 [ 9246.189171][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9246.189171][ T10] inet6_addr_add+0x4f8/0xa40 [ 9246.189171][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9246.189171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9246.189171][ T10] netlink_rcv_skb+0x130/0x360 [ 9246.189171][ T10] netlink_unicast+0x449/0x710 [ 9246.189171][ T10] netlink_sendmsg+0x723/0xbe0 [ 9246.189171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9246.189171][ T10] ___sys_sendmsg+0xee/0x170 [ 9246.189171][ T10] __sys_sendmsg+0xcd/0x170 [ 9246.189171][ T10] do_syscall_64+0xc6/0x1e0 [ 9246.189171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9246.189171][ T10] [ 9246.191183][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9246.191183][ T10] netdev_get_by_index+0x5e/0x80 [ 9246.191183][ T10] fib6_nh_init+0x3d8/0x1580 [ 9246.191183][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9246.191183][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9246.191183][ T10] ipv6_add_addr+0x411/0x2000 [ 9246.191183][ T10] inet6_addr_add+0x30e/0xa40 [ 9246.191183][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9246.191183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9246.191183][ T10] netlink_rcv_skb+0x130/0x360 [ 9246.191183][ T10] netlink_unicast+0x449/0x710 [ 9246.191183][ T10] netlink_sendmsg+0x723/0xbe0 [ 9246.191183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9246.191183][ T10] ___sys_sendmsg+0xee/0x170 [ 9246.191183][ T10] __sys_sendmsg+0xcd/0x170 [ 9246.191183][ T10] do_syscall_64+0xc6/0x1e0 [ 9246.191183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9246.191183][ T10] [ 9246.193201][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9246.193201][ T10] netdev_get_by_index+0x5e/0x80 [ 9246.193201][ T10] fib6_nh_init+0x3d8/0x1580 [ 9246.193201][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9246.193201][ T10] ip6_route_add+0x1c/0x140 [ 9246.193201][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9246.193201][ T10] addrconf_add_dev+0xe2/0x170 [ 9246.193201][ T10] inet6_addr_add+0x12f/0xa40 [ 9246.193201][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9246.193201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9246.193201][ T10] netlink_rcv_skb+0x130/0x360 [ 9246.193201][ T10] netlink_unicast+0x449/0x710 [ 9246.193201][ T10] netlink_sendmsg+0x723/0xbe0 [ 9246.193201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9246.193201][ T10] ___sys_sendmsg+0xee/0x170 [ 9246.193201][ T10] __sys_sendmsg+0xcd/0x170 [ 9246.193201][ T10] do_syscall_64+0xc6/0x1e0 [ 9246.193201][ T10] [ 9246.195162][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9246.195162][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9246.195162][ T10] ipv6_find_idev+0x102/0x170 [ 9246.195162][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9246.195162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9246.195162][ T10] netlink_rcv_skb+0x130/0x360 [ 9246.195162][ T10] netlink_unicast+0x449/0x710 [ 9246.195162][ T10] netlink_sendmsg+0x723/0xbe0 [ 9246.195162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9246.195162][ T10] ___sys_sendmsg+0xee/0x170 [ 9246.195162][ T10] __sys_sendmsg+0xcd/0x170 [ 9246.195162][ T10] do_syscall_64+0xc6/0x1e0 [ 9246.195162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9246.195162][ T10] [ 9246.196694][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9246.196694][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9246.196694][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9246.196694][ T10] ipv6_find_idev+0x102/0x170 [ 9246.196694][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9246.196694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9246.196694][ T10] netlink_rcv_skb+0x130/0x360 [ 9246.196694][ T10] netlink_unicast+0x449/0x710 [ 9246.196694][ T10] netlink_sendmsg+0x723/0xbe0 [ 9246.196694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9246.196694][ T10] ___sys_sendmsg+0xee/0x170 [ 9246.196694][ T10] __sys_sendmsg+0xcd/0x170 [ 9246.196694][ T10] do_syscall_64+0xc6/0x1e0 [ 9246.196694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9246.196694][ T10] [ 9256.142746][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9256.143243][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9256.143243][T12167] netdev_get_by_index+0x5e/0x80 [ 9256.143243][T12167] fib6_nh_init+0x3d8/0x1580 [ 9256.143243][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9256.143243][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9256.143243][T12167] ipv6_add_addr+0x411/0x2000 [ 9256.143243][T12167] inet6_addr_add+0x30e/0xa40 [ 9256.143243][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9256.143243][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9256.143243][T12167] netlink_rcv_skb+0x130/0x360 [ 9256.143243][T12167] netlink_unicast+0x449/0x710 [ 9256.143243][T12167] netlink_sendmsg+0x723/0xbe0 [ 9256.143243][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9256.143243][T12167] ___sys_sendmsg+0xee/0x170 [ 9256.143243][T12167] __sys_sendmsg+0xcd/0x170 [ 9256.143243][T12167] do_syscall_64+0xc6/0x1e0 [ 9256.143243][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9256.143243][T12167] [ 9256.145538][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9256.145538][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9256.145538][T12167] ipv6_find_idev+0x102/0x170 [ 9256.145538][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9256.145538][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9256.145538][T12167] netlink_rcv_skb+0x130/0x360 [ 9256.145538][T12167] netlink_unicast+0x449/0x710 [ 9256.145538][T12167] netlink_sendmsg+0x723/0xbe0 [ 9256.145538][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9256.145538][T12167] ___sys_sendmsg+0xee/0x170 [ 9256.145538][T12167] __sys_sendmsg+0xcd/0x170 [ 9256.145538][T12167] do_syscall_64+0xc6/0x1e0 [ 9256.145538][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9256.145538][T12167] [ 9256.147291][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9256.147291][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9256.147291][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9256.147291][T12167] ipv6_find_idev+0x102/0x170 [ 9256.147291][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9256.147291][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9256.147291][T12167] netlink_rcv_skb+0x130/0x360 [ 9256.147291][T12167] netlink_unicast+0x449/0x710 [ 9256.147291][T12167] netlink_sendmsg+0x723/0xbe0 [ 9256.147291][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9256.147291][T12167] ___sys_sendmsg+0xee/0x170 [ 9256.147291][T12167] __sys_sendmsg+0xcd/0x170 [ 9256.147291][T12167] do_syscall_64+0xc6/0x1e0 [ 9256.147291][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9256.147291][T12167] [ 9256.222743][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9256.223141][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9256.223141][ T10] dst_init+0x84/0x4a0 [ 9256.223141][ T10] dst_alloc+0x97/0x150 [ 9256.223141][ T10] ip6_dst_alloc+0x23/0x90 [ 9256.223141][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9256.223141][ T10] ip6_pol_route+0x56f/0x840 [ 9256.223141][ T10] fib6_rule_lookup+0x334/0x630 [ 9256.223141][ T10] ip6_route_output_flags+0x259/0x480 [ 9256.223141][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9256.223141][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9256.223141][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9256.223141][ T10] ____sys_sendmsg+0x772/0xa10 [ 9256.223141][ T10] ___sys_sendmsg+0xee/0x170 [ 9256.223141][ T10] __sys_sendmsg+0xcd/0x170 [ 9256.223141][ T10] do_syscall_64+0xc6/0x1e0 [ 9256.223141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9256.223141][ T10] [ 9256.225033][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9256.225033][ T10] dst_init+0x84/0x4a0 [ 9256.225033][ T10] dst_alloc+0x97/0x150 [ 9256.225033][ T10] ip6_dst_alloc+0x23/0x90 [ 9256.225033][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9256.225033][ T10] ip6_pol_route+0x56f/0x840 [ 9256.225033][ T10] fib6_rule_lookup+0x334/0x630 [ 9256.225033][ T10] ip6_route_output_flags+0x259/0x480 [ 9256.225033][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9256.225033][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9256.225033][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9256.225033][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9256.225033][ T10] ____sys_sendmsg+0x772/0xa10 [ 9256.225033][ T10] ___sys_sendmsg+0xee/0x170 [ 9256.225033][ T10] __sys_sendmsg+0xcd/0x170 [ 9256.225033][ T10] do_syscall_64+0xc6/0x1e0 [ 9256.225033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9256.225033][ T10] [ 9256.227021][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9256.227021][ T10] dst_init+0x84/0x4a0 [ 9256.227021][ T10] dst_alloc+0x97/0x150 [ 9256.227021][ T10] ip6_dst_alloc+0x23/0x90 [ 9256.227021][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9256.227021][ T10] ip6_pol_route+0x56f/0x840 [ 9256.227021][ T10] fib6_rule_lookup+0x334/0x630 [ 9256.227021][ T10] ip6_route_output_flags+0x259/0x480 [ 9256.227021][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9256.227021][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9256.227021][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9256.227021][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9256.227021][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9256.227021][ T10] ___sys_sendmsg+0xee/0x170 [ 9256.227021][ T10] __sys_sendmsg+0xcd/0x170 [ 9256.227021][ T10] do_syscall_64+0xc6/0x1e0 [ 9256.227021][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9256.227021][ T10] [ 9256.229018][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9256.229018][ T10] netdev_get_by_index+0x5e/0x80 [ 9256.229018][ T10] fib6_nh_init+0x3d8/0x1580 [ 9256.229018][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9256.229018][ T10] ip6_route_add+0x1c/0x140 [ 9256.229018][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9256.229018][ T10] inet6_addr_add+0x4f8/0xa40 [ 9256.229018][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9256.229018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9256.229018][ T10] netlink_rcv_skb+0x130/0x360 [ 9256.229018][ T10] netlink_unicast+0x449/0x710 [ 9256.229018][ T10] netlink_sendmsg+0x723/0xbe0 [ 9256.229018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9256.229018][ T10] ___sys_sendmsg+0xee/0x170 [ 9256.229018][ T10] __sys_sendmsg+0xcd/0x170 [ 9256.229018][ T10] do_syscall_64+0xc6/0x1e0 [ 9256.229018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9256.229018][ T10] [ 9256.231020][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9256.231020][ T10] netdev_get_by_index+0x5e/0x80 [ 9256.231020][ T10] fib6_nh_init+0x3d8/0x1580 [ 9256.231020][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9256.231020][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9256.231020][ T10] ipv6_add_addr+0x411/0x2000 [ 9256.231020][ T10] inet6_addr_add+0x30e/0xa40 [ 9256.231020][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9256.231020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9256.231020][ T10] netlink_rcv_skb+0x130/0x360 [ 9256.231020][ T10] netlink_unicast+0x449/0x710 [ 9256.231020][ T10] netlink_sendmsg+0x723/0xbe0 [ 9256.231020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9256.231020][ T10] ___sys_sendmsg+0xee/0x170 [ 9256.231020][ T10] __sys_sendmsg+0xcd/0x170 [ 9256.231020][ T10] do_syscall_64+0xc6/0x1e0 [ 9256.231020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9256.231020][ T10] [ 9256.233020][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9256.233020][ T10] netdev_get_by_index+0x5e/0x80 [ 9256.233020][ T10] fib6_nh_init+0x3d8/0x1580 [ 9256.233020][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9256.233020][ T10] ip6_route_add+0x1c/0x140 [ 9256.233020][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9256.233020][ T10] addrconf_add_dev+0xe2/0x170 [ 9256.233020][ T10] inet6_addr_add+0x12f/0xa40 [ 9256.233020][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9256.233020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9256.233020][ T10] netlink_rcv_skb+0x130/0x360 [ 9256.233020][ T10] netlink_unicast+0x449/0x710 [ 9256.233020][ T10] netlink_sendmsg+0x723/0xbe0 [ 9256.233020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9256.233020][ T10] ___sys_sendmsg+0xee/0x170 [ 9256.233020][ T10] __sys_sendmsg+0xcd/0x170 [ 9256.233020][ T10] do_syscall_64+0xc6/0x1e0 [ 9256.233020][ T10] [ 9256.234982][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9256.234982][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9256.234982][ T10] ipv6_find_idev+0x102/0x170 [ 9256.234982][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9256.234982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9256.234982][ T10] netlink_rcv_skb+0x130/0x360 [ 9256.234982][ T10] netlink_unicast+0x449/0x710 [ 9256.234982][ T10] netlink_sendmsg+0x723/0xbe0 [ 9256.234982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9256.234982][ T10] ___sys_sendmsg+0xee/0x170 [ 9256.234982][ T10] __sys_sendmsg+0xcd/0x170 [ 9256.234982][ T10] do_syscall_64+0xc6/0x1e0 [ 9256.234982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9256.234982][ T10] [ 9256.236514][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9256.236514][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9256.236514][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9256.236514][ T10] ipv6_find_idev+0x102/0x170 [ 9256.236514][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9256.236514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9256.236514][ T10] netlink_rcv_skb+0x130/0x360 [ 9256.236514][ T10] netlink_unicast+0x449/0x710 [ 9256.236514][ T10] netlink_sendmsg+0x723/0xbe0 [ 9256.236514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9256.236514][ T10] ___sys_sendmsg+0xee/0x170 [ 9256.236514][ T10] __sys_sendmsg+0xcd/0x170 [ 9256.236514][ T10] do_syscall_64+0xc6/0x1e0 [ 9256.236514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9256.236514][ T10] [ 9266.246874][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9266.247328][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9266.247328][ T10] dst_init+0x84/0x4a0 [ 9266.247328][ T10] dst_alloc+0x97/0x150 [ 9266.247328][ T10] ip6_dst_alloc+0x23/0x90 [ 9266.247328][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9266.247328][ T10] ip6_pol_route+0x56f/0x840 [ 9266.247328][ T10] fib6_rule_lookup+0x334/0x630 [ 9266.247328][ T10] ip6_route_output_flags+0x259/0x480 [ 9266.247328][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9266.247328][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9266.247328][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9266.247328][ T10] ____sys_sendmsg+0x772/0xa10 [ 9266.247328][ T10] ___sys_sendmsg+0xee/0x170 [ 9266.247328][ T10] __sys_sendmsg+0xcd/0x170 [ 9266.247328][ T10] do_syscall_64+0xc6/0x1e0 [ 9266.247328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9266.247328][ T10] [ 9266.249242][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9266.249242][ T10] dst_init+0x84/0x4a0 [ 9266.249242][ T10] dst_alloc+0x97/0x150 [ 9266.249242][ T10] ip6_dst_alloc+0x23/0x90 [ 9266.249242][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9266.249242][ T10] ip6_pol_route+0x56f/0x840 [ 9266.249242][ T10] fib6_rule_lookup+0x334/0x630 [ 9266.249242][ T10] ip6_route_output_flags+0x259/0x480 [ 9266.249242][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9266.249242][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9266.249242][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9266.249242][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9266.249242][ T10] ____sys_sendmsg+0x772/0xa10 [ 9266.249242][ T10] ___sys_sendmsg+0xee/0x170 [ 9266.249242][ T10] __sys_sendmsg+0xcd/0x170 [ 9266.249242][ T10] do_syscall_64+0xc6/0x1e0 [ 9266.249242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9266.249242][ T10] [ 9266.251237][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9266.251237][ T10] dst_init+0x84/0x4a0 [ 9266.251237][ T10] dst_alloc+0x97/0x150 [ 9266.251237][ T10] ip6_dst_alloc+0x23/0x90 [ 9266.251237][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9266.251237][ T10] ip6_pol_route+0x56f/0x840 [ 9266.251237][ T10] fib6_rule_lookup+0x334/0x630 [ 9266.251237][ T10] ip6_route_output_flags+0x259/0x480 [ 9266.251237][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9266.251237][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9266.251237][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9266.251237][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9266.251237][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9266.251237][ T10] ___sys_sendmsg+0xee/0x170 [ 9266.251237][ T10] __sys_sendmsg+0xcd/0x170 [ 9266.251237][ T10] do_syscall_64+0xc6/0x1e0 [ 9266.251237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9266.251237][ T10] [ 9266.253250][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9266.253250][ T10] netdev_get_by_index+0x5e/0x80 [ 9266.253250][ T10] fib6_nh_init+0x3d8/0x1580 [ 9266.253250][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9266.253250][ T10] ip6_route_add+0x1c/0x140 [ 9266.253250][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9266.253250][ T10] inet6_addr_add+0x4f8/0xa40 [ 9266.253250][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9266.253250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9266.253250][ T10] netlink_rcv_skb+0x130/0x360 [ 9266.253250][ T10] netlink_unicast+0x449/0x710 [ 9266.253250][ T10] netlink_sendmsg+0x723/0xbe0 [ 9266.253250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9266.253250][ T10] ___sys_sendmsg+0xee/0x170 [ 9266.253250][ T10] __sys_sendmsg+0xcd/0x170 [ 9266.253250][ T10] do_syscall_64+0xc6/0x1e0 [ 9266.253250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9266.253250][ T10] [ 9266.255255][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9266.255255][ T10] netdev_get_by_index+0x5e/0x80 [ 9266.255255][ T10] fib6_nh_init+0x3d8/0x1580 [ 9266.255255][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9266.255255][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9266.255255][ T10] ipv6_add_addr+0x411/0x2000 [ 9266.255255][ T10] inet6_addr_add+0x30e/0xa40 [ 9266.255255][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9266.255255][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9266.255255][ T10] netlink_rcv_skb+0x130/0x360 [ 9266.255255][ T10] netlink_unicast+0x449/0x710 [ 9266.255255][ T10] netlink_sendmsg+0x723/0xbe0 [ 9266.255255][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9266.255255][ T10] ___sys_sendmsg+0xee/0x170 [ 9266.255255][ T10] __sys_sendmsg+0xcd/0x170 [ 9266.255255][ T10] do_syscall_64+0xc6/0x1e0 [ 9266.255255][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9266.255255][ T10] [ 9266.257256][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9266.257256][ T10] netdev_get_by_index+0x5e/0x80 [ 9266.257256][ T10] fib6_nh_init+0x3d8/0x1580 [ 9266.257256][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9266.257256][ T10] ip6_route_add+0x1c/0x140 [ 9266.257256][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9266.257256][ T10] addrconf_add_dev+0xe2/0x170 [ 9266.257256][ T10] inet6_addr_add+0x12f/0xa40 [ 9266.257256][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9266.257256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9266.257256][ T10] netlink_rcv_skb+0x130/0x360 [ 9266.257256][ T10] netlink_unicast+0x449/0x710 [ 9266.257256][ T10] netlink_sendmsg+0x723/0xbe0 [ 9266.257256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9266.257256][ T10] ___sys_sendmsg+0xee/0x170 [ 9266.257256][ T10] __sys_sendmsg+0xcd/0x170 [ 9266.257256][ T10] do_syscall_64+0xc6/0x1e0 [ 9266.257256][ T10] [ 9266.259218][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9266.259218][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9266.259218][ T10] ipv6_find_idev+0x102/0x170 [ 9266.259218][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9266.259218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9266.259218][ T10] netlink_rcv_skb+0x130/0x360 [ 9266.259218][ T10] netlink_unicast+0x449/0x710 [ 9266.259218][ T10] netlink_sendmsg+0x723/0xbe0 [ 9266.259218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9266.259218][ T10] ___sys_sendmsg+0xee/0x170 [ 9266.259218][ T10] __sys_sendmsg+0xcd/0x170 [ 9266.259218][ T10] do_syscall_64+0xc6/0x1e0 [ 9266.259218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9266.259218][ T10] [ 9266.260754][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9266.260754][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9266.260754][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9266.260754][ T10] ipv6_find_idev+0x102/0x170 [ 9266.260754][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9266.260754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9266.260754][ T10] netlink_rcv_skb+0x130/0x360 [ 9266.260754][ T10] netlink_unicast+0x449/0x710 [ 9266.260754][ T10] netlink_sendmsg+0x723/0xbe0 [ 9266.260754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9266.260754][ T10] ___sys_sendmsg+0xee/0x170 [ 9266.260754][ T10] __sys_sendmsg+0xcd/0x170 [ 9266.260754][ T10] do_syscall_64+0xc6/0x1e0 [ 9266.260754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9266.260754][ T10] [ 9266.390803][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9266.391242][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9266.391242][T12167] netdev_get_by_index+0x5e/0x80 [ 9266.391242][T12167] fib6_nh_init+0x3d8/0x1580 [ 9266.391242][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9266.391242][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9266.391242][T12167] ipv6_add_addr+0x411/0x2000 [ 9266.391242][T12167] inet6_addr_add+0x30e/0xa40 [ 9266.391242][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9266.391242][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9266.391242][T12167] netlink_rcv_skb+0x130/0x360 [ 9266.391242][T12167] netlink_unicast+0x449/0x710 [ 9266.391242][T12167] netlink_sendmsg+0x723/0xbe0 [ 9266.391242][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9266.391242][T12167] ___sys_sendmsg+0xee/0x170 [ 9266.391242][T12167] __sys_sendmsg+0xcd/0x170 [ 9266.391242][T12167] do_syscall_64+0xc6/0x1e0 [ 9266.391242][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9266.391242][T12167] [ 9266.393578][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9266.393578][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9266.393578][T12167] ipv6_find_idev+0x102/0x170 [ 9266.393578][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9266.393578][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9266.393578][T12167] netlink_rcv_skb+0x130/0x360 [ 9266.393578][T12167] netlink_unicast+0x449/0x710 [ 9266.393578][T12167] netlink_sendmsg+0x723/0xbe0 [ 9266.393578][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9266.393578][T12167] ___sys_sendmsg+0xee/0x170 [ 9266.393578][T12167] __sys_sendmsg+0xcd/0x170 [ 9266.393578][T12167] do_syscall_64+0xc6/0x1e0 [ 9266.393578][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9266.393578][T12167] [ 9266.395334][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9266.395334][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9266.395334][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9266.395334][T12167] ipv6_find_idev+0x102/0x170 [ 9266.395334][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9266.395334][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9266.395334][T12167] netlink_rcv_skb+0x130/0x360 [ 9266.395334][T12167] netlink_unicast+0x449/0x710 [ 9266.395334][T12167] netlink_sendmsg+0x723/0xbe0 [ 9266.395334][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9266.395334][T12167] ___sys_sendmsg+0xee/0x170 [ 9266.395334][T12167] __sys_sendmsg+0xcd/0x170 [ 9266.395334][T12167] do_syscall_64+0xc6/0x1e0 [ 9266.395334][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9266.395334][T12167] [ 9276.294722][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9276.295177][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9276.295177][ T10] dst_init+0x84/0x4a0 [ 9276.295177][ T10] dst_alloc+0x97/0x150 [ 9276.295177][ T10] ip6_dst_alloc+0x23/0x90 [ 9276.295177][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9276.295177][ T10] ip6_pol_route+0x56f/0x840 [ 9276.295177][ T10] fib6_rule_lookup+0x334/0x630 [ 9276.295177][ T10] ip6_route_output_flags+0x259/0x480 [ 9276.295177][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9276.295177][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9276.295177][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9276.295177][ T10] ____sys_sendmsg+0x772/0xa10 [ 9276.295177][ T10] ___sys_sendmsg+0xee/0x170 [ 9276.295177][ T10] __sys_sendmsg+0xcd/0x170 [ 9276.295177][ T10] do_syscall_64+0xc6/0x1e0 [ 9276.295177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9276.295177][ T10] [ 9276.297102][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9276.297102][ T10] dst_init+0x84/0x4a0 [ 9276.297102][ T10] dst_alloc+0x97/0x150 [ 9276.297102][ T10] ip6_dst_alloc+0x23/0x90 [ 9276.297102][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9276.297102][ T10] ip6_pol_route+0x56f/0x840 [ 9276.297102][ T10] fib6_rule_lookup+0x334/0x630 [ 9276.297102][ T10] ip6_route_output_flags+0x259/0x480 [ 9276.297102][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9276.297102][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9276.297102][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9276.297102][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9276.297102][ T10] ____sys_sendmsg+0x772/0xa10 [ 9276.297102][ T10] ___sys_sendmsg+0xee/0x170 [ 9276.297102][ T10] __sys_sendmsg+0xcd/0x170 [ 9276.297102][ T10] do_syscall_64+0xc6/0x1e0 [ 9276.297102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9276.297102][ T10] [ 9276.299117][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9276.299117][ T10] dst_init+0x84/0x4a0 [ 9276.299117][ T10] dst_alloc+0x97/0x150 [ 9276.299117][ T10] ip6_dst_alloc+0x23/0x90 [ 9276.299117][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9276.299117][ T10] ip6_pol_route+0x56f/0x840 [ 9276.299117][ T10] fib6_rule_lookup+0x334/0x630 [ 9276.299117][ T10] ip6_route_output_flags+0x259/0x480 [ 9276.299117][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9276.299117][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9276.299117][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9276.299117][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9276.299117][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9276.299117][ T10] ___sys_sendmsg+0xee/0x170 [ 9276.299117][ T10] __sys_sendmsg+0xcd/0x170 [ 9276.299117][ T10] do_syscall_64+0xc6/0x1e0 [ 9276.299117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9276.299117][ T10] [ 9276.301158][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9276.301158][ T10] netdev_get_by_index+0x5e/0x80 [ 9276.301158][ T10] fib6_nh_init+0x3d8/0x1580 [ 9276.301158][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9276.301158][ T10] ip6_route_add+0x1c/0x140 [ 9276.301158][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9276.301158][ T10] inet6_addr_add+0x4f8/0xa40 [ 9276.301158][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9276.301158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9276.301158][ T10] netlink_rcv_skb+0x130/0x360 [ 9276.301158][ T10] netlink_unicast+0x449/0x710 [ 9276.301158][ T10] netlink_sendmsg+0x723/0xbe0 [ 9276.301158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9276.301158][ T10] ___sys_sendmsg+0xee/0x170 [ 9276.301158][ T10] __sys_sendmsg+0xcd/0x170 [ 9276.301158][ T10] do_syscall_64+0xc6/0x1e0 [ 9276.301158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9276.301158][ T10] [ 9276.303174][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9276.303174][ T10] netdev_get_by_index+0x5e/0x80 [ 9276.303174][ T10] fib6_nh_init+0x3d8/0x1580 [ 9276.303174][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9276.303174][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9276.303174][ T10] ipv6_add_addr+0x411/0x2000 [ 9276.303174][ T10] inet6_addr_add+0x30e/0xa40 [ 9276.303174][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9276.303174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9276.303174][ T10] netlink_rcv_skb+0x130/0x360 [ 9276.303174][ T10] netlink_unicast+0x449/0x710 [ 9276.303174][ T10] netlink_sendmsg+0x723/0xbe0 [ 9276.303174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9276.303174][ T10] ___sys_sendmsg+0xee/0x170 [ 9276.303174][ T10] __sys_sendmsg+0xcd/0x170 [ 9276.303174][ T10] do_syscall_64+0xc6/0x1e0 [ 9276.303174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9276.303174][ T10] [ 9276.305311][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9276.305311][ T10] netdev_get_by_index+0x5e/0x80 [ 9276.305311][ T10] fib6_nh_init+0x3d8/0x1580 [ 9276.305311][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9276.305311][ T10] ip6_route_add+0x1c/0x140 [ 9276.305311][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9276.305311][ T10] addrconf_add_dev+0xe2/0x170 [ 9276.305311][ T10] inet6_addr_add+0x12f/0xa40 [ 9276.305311][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9276.305311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9276.305311][ T10] netlink_rcv_skb+0x130/0x360 [ 9276.305311][ T10] netlink_unicast+0x449/0x710 [ 9276.305311][ T10] netlink_sendmsg+0x723/0xbe0 [ 9276.305311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9276.305311][ T10] ___sys_sendmsg+0xee/0x170 [ 9276.305311][ T10] __sys_sendmsg+0xcd/0x170 [ 9276.305311][ T10] do_syscall_64+0xc6/0x1e0 [ 9276.305311][ T10] [ 9276.307297][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9276.307297][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9276.307297][ T10] ipv6_find_idev+0x102/0x170 [ 9276.307297][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9276.307297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9276.307297][ T10] netlink_rcv_skb+0x130/0x360 [ 9276.307297][ T10] netlink_unicast+0x449/0x710 [ 9276.307297][ T10] netlink_sendmsg+0x723/0xbe0 [ 9276.307297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9276.307297][ T10] ___sys_sendmsg+0xee/0x170 [ 9276.307297][ T10] __sys_sendmsg+0xcd/0x170 [ 9276.307297][ T10] do_syscall_64+0xc6/0x1e0 [ 9276.307297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9276.307297][ T10] [ 9276.308850][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9276.308850][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9276.308850][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9276.308850][ T10] ipv6_find_idev+0x102/0x170 [ 9276.308850][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9276.308850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9276.308850][ T10] netlink_rcv_skb+0x130/0x360 [ 9276.308850][ T10] netlink_unicast+0x449/0x710 [ 9276.308850][ T10] netlink_sendmsg+0x723/0xbe0 [ 9276.308850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9276.308850][ T10] ___sys_sendmsg+0xee/0x170 [ 9276.308850][ T10] __sys_sendmsg+0xcd/0x170 [ 9276.308850][ T10] do_syscall_64+0xc6/0x1e0 [ 9276.308850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9276.308850][ T10] [ 9276.638882][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9276.639325][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9276.639325][T12167] netdev_get_by_index+0x5e/0x80 [ 9276.639325][T12167] fib6_nh_init+0x3d8/0x1580 [ 9276.639325][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9276.639325][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9276.639325][T12167] ipv6_add_addr+0x411/0x2000 [ 9276.639325][T12167] inet6_addr_add+0x30e/0xa40 [ 9276.639325][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9276.639325][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9276.639325][T12167] netlink_rcv_skb+0x130/0x360 [ 9276.639325][T12167] netlink_unicast+0x449/0x710 [ 9276.639325][T12167] netlink_sendmsg+0x723/0xbe0 [ 9276.639325][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9276.639325][T12167] ___sys_sendmsg+0xee/0x170 [ 9276.639325][T12167] __sys_sendmsg+0xcd/0x170 [ 9276.639325][T12167] do_syscall_64+0xc6/0x1e0 [ 9276.639325][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9276.639325][T12167] [ 9276.641687][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9276.641687][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9276.641687][T12167] ipv6_find_idev+0x102/0x170 [ 9276.641687][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9276.641687][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9276.641687][T12167] netlink_rcv_skb+0x130/0x360 [ 9276.641687][T12167] netlink_unicast+0x449/0x710 [ 9276.641687][T12167] netlink_sendmsg+0x723/0xbe0 [ 9276.641687][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9276.641687][T12167] ___sys_sendmsg+0xee/0x170 [ 9276.641687][T12167] __sys_sendmsg+0xcd/0x170 [ 9276.641687][T12167] do_syscall_64+0xc6/0x1e0 [ 9276.641687][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9276.641687][T12167] [ 9276.643442][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9276.643442][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9276.643442][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9276.643442][T12167] ipv6_find_idev+0x102/0x170 [ 9276.643442][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9276.643442][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9276.643442][T12167] netlink_rcv_skb+0x130/0x360 [ 9276.643442][T12167] netlink_unicast+0x449/0x710 [ 9276.643442][T12167] netlink_sendmsg+0x723/0xbe0 [ 9276.643442][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9276.643442][T12167] ___sys_sendmsg+0xee/0x170 [ 9276.643442][T12167] __sys_sendmsg+0xcd/0x170 [ 9276.643442][T12167] do_syscall_64+0xc6/0x1e0 [ 9276.643442][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9276.643442][T12167] [ 9286.550837][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9286.551359][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9286.551359][ T10] dst_init+0x84/0x4a0 [ 9286.551359][ T10] dst_alloc+0x97/0x150 [ 9286.551359][ T10] ip6_dst_alloc+0x23/0x90 [ 9286.551359][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9286.551359][ T10] ip6_pol_route+0x56f/0x840 [ 9286.551359][ T10] fib6_rule_lookup+0x334/0x630 [ 9286.551359][ T10] ip6_route_output_flags+0x259/0x480 [ 9286.551359][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9286.551359][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9286.551359][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9286.551359][ T10] ____sys_sendmsg+0x772/0xa10 [ 9286.551359][ T10] ___sys_sendmsg+0xee/0x170 [ 9286.551359][ T10] __sys_sendmsg+0xcd/0x170 [ 9286.551359][ T10] do_syscall_64+0xc6/0x1e0 [ 9286.551359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9286.551359][ T10] [ 9286.553413][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9286.553413][ T10] dst_init+0x84/0x4a0 [ 9286.553413][ T10] dst_alloc+0x97/0x150 [ 9286.553413][ T10] ip6_dst_alloc+0x23/0x90 [ 9286.553413][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9286.553413][ T10] ip6_pol_route+0x56f/0x840 [ 9286.553413][ T10] fib6_rule_lookup+0x334/0x630 [ 9286.553413][ T10] ip6_route_output_flags+0x259/0x480 [ 9286.553413][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9286.553413][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9286.553413][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9286.553413][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9286.553413][ T10] ____sys_sendmsg+0x772/0xa10 [ 9286.553413][ T10] ___sys_sendmsg+0xee/0x170 [ 9286.553413][ T10] __sys_sendmsg+0xcd/0x170 [ 9286.553413][ T10] do_syscall_64+0xc6/0x1e0 [ 9286.553413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9286.553413][ T10] [ 9286.555484][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9286.555484][ T10] dst_init+0x84/0x4a0 [ 9286.555484][ T10] dst_alloc+0x97/0x150 [ 9286.555484][ T10] ip6_dst_alloc+0x23/0x90 [ 9286.555484][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9286.555484][ T10] ip6_pol_route+0x56f/0x840 [ 9286.555484][ T10] fib6_rule_lookup+0x334/0x630 [ 9286.555484][ T10] ip6_route_output_flags+0x259/0x480 [ 9286.555484][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9286.555484][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9286.555484][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9286.555484][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9286.555484][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9286.555484][ T10] ___sys_sendmsg+0xee/0x170 [ 9286.555484][ T10] __sys_sendmsg+0xcd/0x170 [ 9286.555484][ T10] do_syscall_64+0xc6/0x1e0 [ 9286.555484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9286.555484][ T10] [ 9286.557535][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9286.557535][ T10] netdev_get_by_index+0x5e/0x80 [ 9286.557535][ T10] fib6_nh_init+0x3d8/0x1580 [ 9286.557535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9286.557535][ T10] ip6_route_add+0x1c/0x140 [ 9286.557535][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9286.557535][ T10] inet6_addr_add+0x4f8/0xa40 [ 9286.557535][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9286.557535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9286.557535][ T10] netlink_rcv_skb+0x130/0x360 [ 9286.557535][ T10] netlink_unicast+0x449/0x710 [ 9286.557535][ T10] netlink_sendmsg+0x723/0xbe0 [ 9286.557535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9286.557535][ T10] ___sys_sendmsg+0xee/0x170 [ 9286.557535][ T10] __sys_sendmsg+0xcd/0x170 [ 9286.557535][ T10] do_syscall_64+0xc6/0x1e0 [ 9286.557535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9286.557535][ T10] [ 9286.561817][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9286.561817][ T10] netdev_get_by_index+0x5e/0x80 [ 9286.561817][ T10] fib6_nh_init+0x3d8/0x1580 [ 9286.561817][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9286.561817][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9286.561817][ T10] ipv6_add_addr+0x411/0x2000 [ 9286.561817][ T10] inet6_addr_add+0x30e/0xa40 [ 9286.561817][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9286.561817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9286.561817][ T10] netlink_rcv_skb+0x130/0x360 [ 9286.561817][ T10] netlink_unicast+0x449/0x710 [ 9286.561817][ T10] netlink_sendmsg+0x723/0xbe0 [ 9286.561817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9286.561817][ T10] ___sys_sendmsg+0xee/0x170 [ 9286.561817][ T10] __sys_sendmsg+0xcd/0x170 [ 9286.561817][ T10] do_syscall_64+0xc6/0x1e0 [ 9286.561817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9286.561817][ T10] [ 9286.563868][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9286.563868][ T10] netdev_get_by_index+0x5e/0x80 [ 9286.563868][ T10] fib6_nh_init+0x3d8/0x1580 [ 9286.563868][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9286.563868][ T10] ip6_route_add+0x1c/0x140 [ 9286.563868][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9286.563868][ T10] addrconf_add_dev+0xe2/0x170 [ 9286.563868][ T10] inet6_addr_add+0x12f/0xa40 [ 9286.563868][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9286.563868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9286.563868][ T10] netlink_rcv_skb+0x130/0x360 [ 9286.563868][ T10] netlink_unicast+0x449/0x710 [ 9286.563868][ T10] netlink_sendmsg+0x723/0xbe0 [ 9286.563868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9286.563868][ T10] ___sys_sendmsg+0xee/0x170 [ 9286.563868][ T10] __sys_sendmsg+0xcd/0x170 [ 9286.563868][ T10] do_syscall_64+0xc6/0x1e0 [ 9286.563868][ T10] [ 9286.565883][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9286.565883][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9286.565883][ T10] ipv6_find_idev+0x102/0x170 [ 9286.565883][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9286.565883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9286.565883][ T10] netlink_rcv_skb+0x130/0x360 [ 9286.565883][ T10] netlink_unicast+0x449/0x710 [ 9286.565883][ T10] netlink_sendmsg+0x723/0xbe0 [ 9286.565883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9286.565883][ T10] ___sys_sendmsg+0xee/0x170 [ 9286.565883][ T10] __sys_sendmsg+0xcd/0x170 [ 9286.565883][ T10] do_syscall_64+0xc6/0x1e0 [ 9286.565883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9286.565883][ T10] [ 9286.567467][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9286.567467][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9286.567467][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9286.567467][ T10] ipv6_find_idev+0x102/0x170 [ 9286.567467][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9286.567467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9286.567467][ T10] netlink_rcv_skb+0x130/0x360 [ 9286.567467][ T10] netlink_unicast+0x449/0x710 [ 9286.567467][ T10] netlink_sendmsg+0x723/0xbe0 [ 9286.567467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9286.567467][ T10] ___sys_sendmsg+0xee/0x170 [ 9286.567467][ T10] __sys_sendmsg+0xcd/0x170 [ 9286.567467][ T10] do_syscall_64+0xc6/0x1e0 [ 9286.567467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9286.567467][ T10] [ 9286.886741][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9286.887186][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9286.887186][T12167] netdev_get_by_index+0x5e/0x80 [ 9286.887186][T12167] fib6_nh_init+0x3d8/0x1580 [ 9286.887186][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9286.887186][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9286.887186][T12167] ipv6_add_addr+0x411/0x2000 [ 9286.887186][T12167] inet6_addr_add+0x30e/0xa40 [ 9286.887186][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9286.887186][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9286.887186][T12167] netlink_rcv_skb+0x130/0x360 [ 9286.887186][T12167] netlink_unicast+0x449/0x710 [ 9286.887186][T12167] netlink_sendmsg+0x723/0xbe0 [ 9286.887186][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9286.887186][T12167] ___sys_sendmsg+0xee/0x170 [ 9286.887186][T12167] __sys_sendmsg+0xcd/0x170 [ 9286.887186][T12167] do_syscall_64+0xc6/0x1e0 [ 9286.887186][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9286.887186][T12167] [ 9286.889454][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9286.889454][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9286.889454][T12167] ipv6_find_idev+0x102/0x170 [ 9286.889454][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9286.889454][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9286.889454][T12167] netlink_rcv_skb+0x130/0x360 [ 9286.889454][T12167] netlink_unicast+0x449/0x710 [ 9286.889454][T12167] netlink_sendmsg+0x723/0xbe0 [ 9286.889454][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9286.889454][T12167] ___sys_sendmsg+0xee/0x170 [ 9286.889454][T12167] __sys_sendmsg+0xcd/0x170 [ 9286.889454][T12167] do_syscall_64+0xc6/0x1e0 [ 9286.889454][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9286.889454][T12167] [ 9286.891197][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9286.891197][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9286.891197][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9286.891197][T12167] ipv6_find_idev+0x102/0x170 [ 9286.891197][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9286.891197][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9286.891197][T12167] netlink_rcv_skb+0x130/0x360 [ 9286.891197][T12167] netlink_unicast+0x449/0x710 [ 9286.891197][T12167] netlink_sendmsg+0x723/0xbe0 [ 9286.891197][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9286.891197][T12167] ___sys_sendmsg+0xee/0x170 [ 9286.891197][T12167] __sys_sendmsg+0xcd/0x170 [ 9286.891197][T12167] do_syscall_64+0xc6/0x1e0 [ 9286.891197][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9286.891197][T12167] [ 9296.806826][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9296.807289][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9296.807289][ T10] dst_init+0x84/0x4a0 [ 9296.807289][ T10] dst_alloc+0x97/0x150 [ 9296.807289][ T10] ip6_dst_alloc+0x23/0x90 [ 9296.807289][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9296.807289][ T10] ip6_pol_route+0x56f/0x840 [ 9296.807289][ T10] fib6_rule_lookup+0x334/0x630 [ 9296.807289][ T10] ip6_route_output_flags+0x259/0x480 [ 9296.807289][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9296.807289][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9296.807289][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9296.807289][ T10] ____sys_sendmsg+0x772/0xa10 [ 9296.807289][ T10] ___sys_sendmsg+0xee/0x170 [ 9296.807289][ T10] __sys_sendmsg+0xcd/0x170 [ 9296.807289][ T10] do_syscall_64+0xc6/0x1e0 [ 9296.807289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9296.807289][ T10] [ 9296.809228][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9296.809228][ T10] dst_init+0x84/0x4a0 [ 9296.809228][ T10] dst_alloc+0x97/0x150 [ 9296.809228][ T10] ip6_dst_alloc+0x23/0x90 [ 9296.809228][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9296.809228][ T10] ip6_pol_route+0x56f/0x840 [ 9296.809228][ T10] fib6_rule_lookup+0x334/0x630 [ 9296.809228][ T10] ip6_route_output_flags+0x259/0x480 [ 9296.809228][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9296.809228][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9296.809228][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9296.809228][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9296.809228][ T10] ____sys_sendmsg+0x772/0xa10 [ 9296.809228][ T10] ___sys_sendmsg+0xee/0x170 [ 9296.809228][ T10] __sys_sendmsg+0xcd/0x170 [ 9296.809228][ T10] do_syscall_64+0xc6/0x1e0 [ 9296.809228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9296.809228][ T10] [ 9296.811236][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9296.811236][ T10] dst_init+0x84/0x4a0 [ 9296.811236][ T10] dst_alloc+0x97/0x150 [ 9296.811236][ T10] ip6_dst_alloc+0x23/0x90 [ 9296.811236][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9296.811236][ T10] ip6_pol_route+0x56f/0x840 [ 9296.811236][ T10] fib6_rule_lookup+0x334/0x630 [ 9296.811236][ T10] ip6_route_output_flags+0x259/0x480 [ 9296.811236][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9296.811236][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9296.811236][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9296.811236][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9296.811236][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9296.811236][ T10] ___sys_sendmsg+0xee/0x170 [ 9296.811236][ T10] __sys_sendmsg+0xcd/0x170 [ 9296.811236][ T10] do_syscall_64+0xc6/0x1e0 [ 9296.811236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9296.811236][ T10] [ 9296.813264][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9296.813264][ T10] netdev_get_by_index+0x5e/0x80 [ 9296.813264][ T10] fib6_nh_init+0x3d8/0x1580 [ 9296.813264][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9296.813264][ T10] ip6_route_add+0x1c/0x140 [ 9296.813264][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9296.813264][ T10] inet6_addr_add+0x4f8/0xa40 [ 9296.813264][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9296.813264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9296.813264][ T10] netlink_rcv_skb+0x130/0x360 [ 9296.813264][ T10] netlink_unicast+0x449/0x710 [ 9296.813264][ T10] netlink_sendmsg+0x723/0xbe0 [ 9296.813264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9296.813264][ T10] ___sys_sendmsg+0xee/0x170 [ 9296.813264][ T10] __sys_sendmsg+0xcd/0x170 [ 9296.813264][ T10] do_syscall_64+0xc6/0x1e0 [ 9296.813264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9296.813264][ T10] [ 9296.815280][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9296.815280][ T10] netdev_get_by_index+0x5e/0x80 [ 9296.815280][ T10] fib6_nh_init+0x3d8/0x1580 [ 9296.815280][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9296.815280][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9296.815280][ T10] ipv6_add_addr+0x411/0x2000 [ 9296.815280][ T10] inet6_addr_add+0x30e/0xa40 [ 9296.815280][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9296.815280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9296.815280][ T10] netlink_rcv_skb+0x130/0x360 [ 9296.815280][ T10] netlink_unicast+0x449/0x710 [ 9296.815280][ T10] netlink_sendmsg+0x723/0xbe0 [ 9296.815280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9296.815280][ T10] ___sys_sendmsg+0xee/0x170 [ 9296.815280][ T10] __sys_sendmsg+0xcd/0x170 [ 9296.815280][ T10] do_syscall_64+0xc6/0x1e0 [ 9296.815280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9296.815280][ T10] [ 9296.817290][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9296.817290][ T10] netdev_get_by_index+0x5e/0x80 [ 9296.817290][ T10] fib6_nh_init+0x3d8/0x1580 [ 9296.817290][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9296.817290][ T10] ip6_route_add+0x1c/0x140 [ 9296.817290][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9296.817290][ T10] addrconf_add_dev+0xe2/0x170 [ 9296.817290][ T10] inet6_addr_add+0x12f/0xa40 [ 9296.817290][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9296.817290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9296.817290][ T10] netlink_rcv_skb+0x130/0x360 [ 9296.817290][ T10] netlink_unicast+0x449/0x710 [ 9296.817290][ T10] netlink_sendmsg+0x723/0xbe0 [ 9296.817290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9296.817290][ T10] ___sys_sendmsg+0xee/0x170 [ 9296.817290][ T10] __sys_sendmsg+0xcd/0x170 [ 9296.817290][ T10] do_syscall_64+0xc6/0x1e0 [ 9296.817290][ T10] [ 9296.819268][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9296.819268][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9296.819268][ T10] ipv6_find_idev+0x102/0x170 [ 9296.819268][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9296.819268][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9296.819268][ T10] netlink_rcv_skb+0x130/0x360 [ 9296.819268][ T10] netlink_unicast+0x449/0x710 [ 9296.819268][ T10] netlink_sendmsg+0x723/0xbe0 [ 9296.819268][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9296.819268][ T10] ___sys_sendmsg+0xee/0x170 [ 9296.819268][ T10] __sys_sendmsg+0xcd/0x170 [ 9296.819268][ T10] do_syscall_64+0xc6/0x1e0 [ 9296.819268][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9296.819268][ T10] [ 9296.820845][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9296.820845][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9296.820845][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9296.820845][ T10] ipv6_find_idev+0x102/0x170 [ 9296.820845][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9296.820845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9296.820845][ T10] netlink_rcv_skb+0x130/0x360 [ 9296.820845][ T10] netlink_unicast+0x449/0x710 [ 9296.820845][ T10] netlink_sendmsg+0x723/0xbe0 [ 9296.820845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9296.820845][ T10] ___sys_sendmsg+0xee/0x170 [ 9296.820845][ T10] __sys_sendmsg+0xcd/0x170 [ 9296.820845][ T10] do_syscall_64+0xc6/0x1e0 [ 9296.820845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9296.820845][ T10] [ 9297.142800][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9297.143227][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9297.143227][T12167] netdev_get_by_index+0x5e/0x80 [ 9297.143227][T12167] fib6_nh_init+0x3d8/0x1580 [ 9297.143227][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9297.143227][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9297.143227][T12167] ipv6_add_addr+0x411/0x2000 [ 9297.143227][T12167] inet6_addr_add+0x30e/0xa40 [ 9297.143227][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9297.143227][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9297.143227][T12167] netlink_rcv_skb+0x130/0x360 [ 9297.143227][T12167] netlink_unicast+0x449/0x710 [ 9297.143227][T12167] netlink_sendmsg+0x723/0xbe0 [ 9297.143227][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9297.143227][T12167] ___sys_sendmsg+0xee/0x170 [ 9297.143227][T12167] __sys_sendmsg+0xcd/0x170 [ 9297.143227][T12167] do_syscall_64+0xc6/0x1e0 [ 9297.143227][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9297.143227][T12167] [ 9297.145509][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9297.145509][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9297.145509][T12167] ipv6_find_idev+0x102/0x170 [ 9297.145509][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9297.145509][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9297.145509][T12167] netlink_rcv_skb+0x130/0x360 [ 9297.145509][T12167] netlink_unicast+0x449/0x710 [ 9297.145509][T12167] netlink_sendmsg+0x723/0xbe0 [ 9297.145509][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9297.145509][T12167] ___sys_sendmsg+0xee/0x170 [ 9297.145509][T12167] __sys_sendmsg+0xcd/0x170 [ 9297.145509][T12167] do_syscall_64+0xc6/0x1e0 [ 9297.145509][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9297.145509][T12167] [ 9297.147234][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9297.147234][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9297.147234][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9297.147234][T12167] ipv6_find_idev+0x102/0x170 [ 9297.147234][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9297.147234][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9297.147234][T12167] netlink_rcv_skb+0x130/0x360 [ 9297.147234][T12167] netlink_unicast+0x449/0x710 [ 9297.147234][T12167] netlink_sendmsg+0x723/0xbe0 [ 9297.147234][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9297.147234][T12167] ___sys_sendmsg+0xee/0x170 [ 9297.147234][T12167] __sys_sendmsg+0xcd/0x170 [ 9297.147234][T12167] do_syscall_64+0xc6/0x1e0 [ 9297.147234][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9297.147234][T12167] [ 9307.062822][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9307.063292][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9307.063292][ T10] dst_init+0x84/0x4a0 [ 9307.063292][ T10] dst_alloc+0x97/0x150 [ 9307.063292][ T10] ip6_dst_alloc+0x23/0x90 [ 9307.063292][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9307.063292][ T10] ip6_pol_route+0x56f/0x840 [ 9307.063292][ T10] fib6_rule_lookup+0x334/0x630 [ 9307.063292][ T10] ip6_route_output_flags+0x259/0x480 [ 9307.063292][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9307.063292][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9307.063292][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9307.063292][ T10] ____sys_sendmsg+0x772/0xa10 [ 9307.063292][ T10] ___sys_sendmsg+0xee/0x170 [ 9307.063292][ T10] __sys_sendmsg+0xcd/0x170 [ 9307.063292][ T10] do_syscall_64+0xc6/0x1e0 [ 9307.063292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9307.063292][ T10] [ 9307.065199][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9307.065199][ T10] dst_init+0x84/0x4a0 [ 9307.065199][ T10] dst_alloc+0x97/0x150 [ 9307.065199][ T10] ip6_dst_alloc+0x23/0x90 [ 9307.065199][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9307.065199][ T10] ip6_pol_route+0x56f/0x840 [ 9307.065199][ T10] fib6_rule_lookup+0x334/0x630 [ 9307.065199][ T10] ip6_route_output_flags+0x259/0x480 [ 9307.065199][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9307.065199][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9307.065199][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9307.065199][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9307.065199][ T10] ____sys_sendmsg+0x772/0xa10 [ 9307.065199][ T10] ___sys_sendmsg+0xee/0x170 [ 9307.065199][ T10] __sys_sendmsg+0xcd/0x170 [ 9307.065199][ T10] do_syscall_64+0xc6/0x1e0 [ 9307.065199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9307.065199][ T10] [ 9307.067212][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9307.067212][ T10] dst_init+0x84/0x4a0 [ 9307.067212][ T10] dst_alloc+0x97/0x150 [ 9307.067212][ T10] ip6_dst_alloc+0x23/0x90 [ 9307.067212][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9307.067212][ T10] ip6_pol_route+0x56f/0x840 [ 9307.067212][ T10] fib6_rule_lookup+0x334/0x630 [ 9307.067212][ T10] ip6_route_output_flags+0x259/0x480 [ 9307.067212][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9307.067212][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9307.067212][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9307.067212][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9307.067212][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9307.067212][ T10] ___sys_sendmsg+0xee/0x170 [ 9307.067212][ T10] __sys_sendmsg+0xcd/0x170 [ 9307.067212][ T10] do_syscall_64+0xc6/0x1e0 [ 9307.067212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9307.067212][ T10] [ 9307.069231][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9307.069231][ T10] netdev_get_by_index+0x5e/0x80 [ 9307.069231][ T10] fib6_nh_init+0x3d8/0x1580 [ 9307.069231][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9307.069231][ T10] ip6_route_add+0x1c/0x140 [ 9307.069231][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9307.069231][ T10] inet6_addr_add+0x4f8/0xa40 [ 9307.069231][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9307.069231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9307.069231][ T10] netlink_rcv_skb+0x130/0x360 [ 9307.069231][ T10] netlink_unicast+0x449/0x710 [ 9307.069231][ T10] netlink_sendmsg+0x723/0xbe0 [ 9307.069231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9307.069231][ T10] ___sys_sendmsg+0xee/0x170 [ 9307.069231][ T10] __sys_sendmsg+0xcd/0x170 [ 9307.069231][ T10] do_syscall_64+0xc6/0x1e0 [ 9307.069231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9307.069231][ T10] [ 9307.071240][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9307.071240][ T10] netdev_get_by_index+0x5e/0x80 [ 9307.071240][ T10] fib6_nh_init+0x3d8/0x1580 [ 9307.071240][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9307.071240][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9307.071240][ T10] ipv6_add_addr+0x411/0x2000 [ 9307.071240][ T10] inet6_addr_add+0x30e/0xa40 [ 9307.071240][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9307.071240][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9307.071240][ T10] netlink_rcv_skb+0x130/0x360 [ 9307.071240][ T10] netlink_unicast+0x449/0x710 [ 9307.071240][ T10] netlink_sendmsg+0x723/0xbe0 [ 9307.071240][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9307.071240][ T10] ___sys_sendmsg+0xee/0x170 [ 9307.071240][ T10] __sys_sendmsg+0xcd/0x170 [ 9307.071240][ T10] do_syscall_64+0xc6/0x1e0 [ 9307.071240][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9307.071240][ T10] [ 9307.073263][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9307.073263][ T10] netdev_get_by_index+0x5e/0x80 [ 9307.073263][ T10] fib6_nh_init+0x3d8/0x1580 [ 9307.073263][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9307.073263][ T10] ip6_route_add+0x1c/0x140 [ 9307.073263][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9307.073263][ T10] addrconf_add_dev+0xe2/0x170 [ 9307.073263][ T10] inet6_addr_add+0x12f/0xa40 [ 9307.073263][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9307.073263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9307.073263][ T10] netlink_rcv_skb+0x130/0x360 [ 9307.073263][ T10] netlink_unicast+0x449/0x710 [ 9307.073263][ T10] netlink_sendmsg+0x723/0xbe0 [ 9307.073263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9307.073263][ T10] ___sys_sendmsg+0xee/0x170 [ 9307.073263][ T10] __sys_sendmsg+0xcd/0x170 [ 9307.073263][ T10] do_syscall_64+0xc6/0x1e0 [ 9307.073263][ T10] [ 9307.075232][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9307.075232][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9307.075232][ T10] ipv6_find_idev+0x102/0x170 [ 9307.075232][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9307.075232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9307.075232][ T10] netlink_rcv_skb+0x130/0x360 [ 9307.075232][ T10] netlink_unicast+0x449/0x710 [ 9307.075232][ T10] netlink_sendmsg+0x723/0xbe0 [ 9307.075232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9307.075232][ T10] ___sys_sendmsg+0xee/0x170 [ 9307.075232][ T10] __sys_sendmsg+0xcd/0x170 [ 9307.075232][ T10] do_syscall_64+0xc6/0x1e0 [ 9307.075232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9307.075232][ T10] [ 9307.076778][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9307.076778][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9307.076778][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9307.076778][ T10] ipv6_find_idev+0x102/0x170 [ 9307.076778][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9307.076778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9307.076778][ T10] netlink_rcv_skb+0x130/0x360 [ 9307.076778][ T10] netlink_unicast+0x449/0x710 [ 9307.076778][ T10] netlink_sendmsg+0x723/0xbe0 [ 9307.076778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9307.076778][ T10] ___sys_sendmsg+0xee/0x170 [ 9307.076778][ T10] __sys_sendmsg+0xcd/0x170 [ 9307.076778][ T10] do_syscall_64+0xc6/0x1e0 [ 9307.076778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9307.076778][ T10] [ 9307.390805][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9307.391257][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9307.391257][T12167] netdev_get_by_index+0x5e/0x80 [ 9307.391257][T12167] fib6_nh_init+0x3d8/0x1580 [ 9307.391257][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9307.391257][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9307.391257][T12167] ipv6_add_addr+0x411/0x2000 [ 9307.391257][T12167] inet6_addr_add+0x30e/0xa40 [ 9307.391257][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9307.391257][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9307.391257][T12167] netlink_rcv_skb+0x130/0x360 [ 9307.391257][T12167] netlink_unicast+0x449/0x710 [ 9307.391257][T12167] netlink_sendmsg+0x723/0xbe0 [ 9307.391257][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9307.391257][T12167] ___sys_sendmsg+0xee/0x170 [ 9307.391257][T12167] __sys_sendmsg+0xcd/0x170 [ 9307.391257][T12167] do_syscall_64+0xc6/0x1e0 [ 9307.391257][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9307.391257][T12167] [ 9307.393519][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9307.393519][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9307.393519][T12167] ipv6_find_idev+0x102/0x170 [ 9307.393519][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9307.393519][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9307.393519][T12167] netlink_rcv_skb+0x130/0x360 [ 9307.393519][T12167] netlink_unicast+0x449/0x710 [ 9307.393519][T12167] netlink_sendmsg+0x723/0xbe0 [ 9307.393519][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9307.393519][T12167] ___sys_sendmsg+0xee/0x170 [ 9307.393519][T12167] __sys_sendmsg+0xcd/0x170 [ 9307.393519][T12167] do_syscall_64+0xc6/0x1e0 [ 9307.393519][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9307.393519][T12167] [ 9307.395244][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9307.395244][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9307.395244][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9307.395244][T12167] ipv6_find_idev+0x102/0x170 [ 9307.395244][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9307.395244][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9307.395244][T12167] netlink_rcv_skb+0x130/0x360 [ 9307.395244][T12167] netlink_unicast+0x449/0x710 [ 9307.395244][T12167] netlink_sendmsg+0x723/0xbe0 [ 9307.395244][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9307.395244][T12167] ___sys_sendmsg+0xee/0x170 [ 9307.395244][T12167] __sys_sendmsg+0xcd/0x170 [ 9307.395244][T12167] do_syscall_64+0xc6/0x1e0 [ 9307.395244][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9307.395244][T12167] [ 9317.318880][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9317.319337][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9317.319337][ T10] dst_init+0x84/0x4a0 [ 9317.319337][ T10] dst_alloc+0x97/0x150 [ 9317.319337][ T10] ip6_dst_alloc+0x23/0x90 [ 9317.319337][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9317.319337][ T10] ip6_pol_route+0x56f/0x840 [ 9317.319337][ T10] fib6_rule_lookup+0x334/0x630 [ 9317.319337][ T10] ip6_route_output_flags+0x259/0x480 [ 9317.319337][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9317.319337][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9317.319337][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9317.319337][ T10] ____sys_sendmsg+0x772/0xa10 [ 9317.319337][ T10] ___sys_sendmsg+0xee/0x170 [ 9317.319337][ T10] __sys_sendmsg+0xcd/0x170 [ 9317.319337][ T10] do_syscall_64+0xc6/0x1e0 [ 9317.319337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9317.319337][ T10] [ 9317.321250][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9317.321250][ T10] dst_init+0x84/0x4a0 [ 9317.321250][ T10] dst_alloc+0x97/0x150 [ 9317.321250][ T10] ip6_dst_alloc+0x23/0x90 [ 9317.321250][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9317.321250][ T10] ip6_pol_route+0x56f/0x840 [ 9317.321250][ T10] fib6_rule_lookup+0x334/0x630 [ 9317.321250][ T10] ip6_route_output_flags+0x259/0x480 [ 9317.321250][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9317.321250][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9317.321250][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9317.321250][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9317.321250][ T10] ____sys_sendmsg+0x772/0xa10 [ 9317.321250][ T10] ___sys_sendmsg+0xee/0x170 [ 9317.321250][ T10] __sys_sendmsg+0xcd/0x170 [ 9317.321250][ T10] do_syscall_64+0xc6/0x1e0 [ 9317.321250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9317.321250][ T10] [ 9317.323259][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9317.323259][ T10] dst_init+0x84/0x4a0 [ 9317.323259][ T10] dst_alloc+0x97/0x150 [ 9317.323259][ T10] ip6_dst_alloc+0x23/0x90 [ 9317.323259][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9317.323259][ T10] ip6_pol_route+0x56f/0x840 [ 9317.323259][ T10] fib6_rule_lookup+0x334/0x630 [ 9317.323259][ T10] ip6_route_output_flags+0x259/0x480 [ 9317.323259][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9317.323259][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9317.323259][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9317.323259][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9317.323259][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9317.323259][ T10] ___sys_sendmsg+0xee/0x170 [ 9317.323259][ T10] __sys_sendmsg+0xcd/0x170 [ 9317.323259][ T10] do_syscall_64+0xc6/0x1e0 [ 9317.323259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9317.323259][ T10] [ 9317.325258][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9317.325258][ T10] netdev_get_by_index+0x5e/0x80 [ 9317.325258][ T10] fib6_nh_init+0x3d8/0x1580 [ 9317.325258][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9317.325258][ T10] ip6_route_add+0x1c/0x140 [ 9317.325258][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9317.325258][ T10] inet6_addr_add+0x4f8/0xa40 [ 9317.325258][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9317.325258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9317.325258][ T10] netlink_rcv_skb+0x130/0x360 [ 9317.325258][ T10] netlink_unicast+0x449/0x710 [ 9317.325258][ T10] netlink_sendmsg+0x723/0xbe0 [ 9317.325258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9317.325258][ T10] ___sys_sendmsg+0xee/0x170 [ 9317.325258][ T10] __sys_sendmsg+0xcd/0x170 [ 9317.325258][ T10] do_syscall_64+0xc6/0x1e0 [ 9317.325258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9317.325258][ T10] [ 9317.327256][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9317.327256][ T10] netdev_get_by_index+0x5e/0x80 [ 9317.327256][ T10] fib6_nh_init+0x3d8/0x1580 [ 9317.327256][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9317.327256][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9317.327256][ T10] ipv6_add_addr+0x411/0x2000 [ 9317.327256][ T10] inet6_addr_add+0x30e/0xa40 [ 9317.327256][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9317.327256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9317.327256][ T10] netlink_rcv_skb+0x130/0x360 [ 9317.327256][ T10] netlink_unicast+0x449/0x710 [ 9317.327256][ T10] netlink_sendmsg+0x723/0xbe0 [ 9317.327256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9317.327256][ T10] ___sys_sendmsg+0xee/0x170 [ 9317.327256][ T10] __sys_sendmsg+0xcd/0x170 [ 9317.327256][ T10] do_syscall_64+0xc6/0x1e0 [ 9317.327256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9317.327256][ T10] [ 9317.329248][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9317.329248][ T10] netdev_get_by_index+0x5e/0x80 [ 9317.329248][ T10] fib6_nh_init+0x3d8/0x1580 [ 9317.329248][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9317.329248][ T10] ip6_route_add+0x1c/0x140 [ 9317.329248][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9317.329248][ T10] addrconf_add_dev+0xe2/0x170 [ 9317.329248][ T10] inet6_addr_add+0x12f/0xa40 [ 9317.329248][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9317.329248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9317.329248][ T10] netlink_rcv_skb+0x130/0x360 [ 9317.329248][ T10] netlink_unicast+0x449/0x710 [ 9317.329248][ T10] netlink_sendmsg+0x723/0xbe0 [ 9317.329248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9317.329248][ T10] ___sys_sendmsg+0xee/0x170 [ 9317.329248][ T10] __sys_sendmsg+0xcd/0x170 [ 9317.329248][ T10] do_syscall_64+0xc6/0x1e0 [ 9317.329248][ T10] [ 9317.331209][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9317.331209][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9317.331209][ T10] ipv6_find_idev+0x102/0x170 [ 9317.331209][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9317.331209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9317.331209][ T10] netlink_rcv_skb+0x130/0x360 [ 9317.331209][ T10] netlink_unicast+0x449/0x710 [ 9317.331209][ T10] netlink_sendmsg+0x723/0xbe0 [ 9317.331209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9317.331209][ T10] ___sys_sendmsg+0xee/0x170 [ 9317.331209][ T10] __sys_sendmsg+0xcd/0x170 [ 9317.331209][ T10] do_syscall_64+0xc6/0x1e0 [ 9317.331209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9317.331209][ T10] [ 9317.332755][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9317.332755][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9317.332755][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9317.332755][ T10] ipv6_find_idev+0x102/0x170 [ 9317.332755][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9317.332755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9317.332755][ T10] netlink_rcv_skb+0x130/0x360 [ 9317.332755][ T10] netlink_unicast+0x449/0x710 [ 9317.332755][ T10] netlink_sendmsg+0x723/0xbe0 [ 9317.332755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9317.332755][ T10] ___sys_sendmsg+0xee/0x170 [ 9317.332755][ T10] __sys_sendmsg+0xcd/0x170 [ 9317.332755][ T10] do_syscall_64+0xc6/0x1e0 [ 9317.332755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9317.332755][ T10] [ 9317.646829][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9317.647279][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9317.647279][T12167] netdev_get_by_index+0x5e/0x80 [ 9317.647279][T12167] fib6_nh_init+0x3d8/0x1580 [ 9317.647279][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9317.647279][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9317.647279][T12167] ipv6_add_addr+0x411/0x2000 [ 9317.647279][T12167] inet6_addr_add+0x30e/0xa40 [ 9317.647279][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9317.647279][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9317.647279][T12167] netlink_rcv_skb+0x130/0x360 [ 9317.647279][T12167] netlink_unicast+0x449/0x710 [ 9317.647279][T12167] netlink_sendmsg+0x723/0xbe0 [ 9317.647279][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9317.647279][T12167] ___sys_sendmsg+0xee/0x170 [ 9317.647279][T12167] __sys_sendmsg+0xcd/0x170 [ 9317.647279][T12167] do_syscall_64+0xc6/0x1e0 [ 9317.647279][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9317.647279][T12167] [ 9317.649525][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9317.649525][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9317.649525][T12167] ipv6_find_idev+0x102/0x170 [ 9317.649525][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9317.649525][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9317.649525][T12167] netlink_rcv_skb+0x130/0x360 [ 9317.649525][T12167] netlink_unicast+0x449/0x710 [ 9317.649525][T12167] netlink_sendmsg+0x723/0xbe0 [ 9317.649525][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9317.649525][T12167] ___sys_sendmsg+0xee/0x170 [ 9317.649525][T12167] __sys_sendmsg+0xcd/0x170 [ 9317.649525][T12167] do_syscall_64+0xc6/0x1e0 [ 9317.649525][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9317.649525][T12167] [ 9317.651244][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9317.651244][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9317.651244][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9317.651244][T12167] ipv6_find_idev+0x102/0x170 [ 9317.651244][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9317.651244][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9317.651244][T12167] netlink_rcv_skb+0x130/0x360 [ 9317.651244][T12167] netlink_unicast+0x449/0x710 [ 9317.651244][T12167] netlink_sendmsg+0x723/0xbe0 [ 9317.651244][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9317.651244][T12167] ___sys_sendmsg+0xee/0x170 [ 9317.651244][T12167] __sys_sendmsg+0xcd/0x170 [ 9317.651244][T12167] do_syscall_64+0xc6/0x1e0 [ 9317.651244][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9317.651244][T12167] [ 9327.574852][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9327.575317][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9327.575317][ T10] dst_init+0x84/0x4a0 [ 9327.575317][ T10] dst_alloc+0x97/0x150 [ 9327.575317][ T10] ip6_dst_alloc+0x23/0x90 [ 9327.575317][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9327.575317][ T10] ip6_pol_route+0x56f/0x840 [ 9327.575317][ T10] fib6_rule_lookup+0x334/0x630 [ 9327.575317][ T10] ip6_route_output_flags+0x259/0x480 [ 9327.575317][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9327.575317][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9327.575317][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9327.575317][ T10] ____sys_sendmsg+0x772/0xa10 [ 9327.575317][ T10] ___sys_sendmsg+0xee/0x170 [ 9327.575317][ T10] __sys_sendmsg+0xcd/0x170 [ 9327.575317][ T10] do_syscall_64+0xc6/0x1e0 [ 9327.575317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9327.575317][ T10] [ 9327.577295][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9327.577295][ T10] dst_init+0x84/0x4a0 [ 9327.577295][ T10] dst_alloc+0x97/0x150 [ 9327.577295][ T10] ip6_dst_alloc+0x23/0x90 [ 9327.577295][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9327.577295][ T10] ip6_pol_route+0x56f/0x840 [ 9327.577295][ T10] fib6_rule_lookup+0x334/0x630 [ 9327.577295][ T10] ip6_route_output_flags+0x259/0x480 [ 9327.577295][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9327.577295][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9327.577295][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9327.577295][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9327.577295][ T10] ____sys_sendmsg+0x772/0xa10 [ 9327.577295][ T10] ___sys_sendmsg+0xee/0x170 [ 9327.577295][ T10] __sys_sendmsg+0xcd/0x170 [ 9327.577295][ T10] do_syscall_64+0xc6/0x1e0 [ 9327.577295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9327.577295][ T10] [ 9327.579352][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9327.579352][ T10] dst_init+0x84/0x4a0 [ 9327.579352][ T10] dst_alloc+0x97/0x150 [ 9327.579352][ T10] ip6_dst_alloc+0x23/0x90 [ 9327.579352][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9327.579352][ T10] ip6_pol_route+0x56f/0x840 [ 9327.579352][ T10] fib6_rule_lookup+0x334/0x630 [ 9327.579352][ T10] ip6_route_output_flags+0x259/0x480 [ 9327.579352][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9327.579352][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9327.579352][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9327.579352][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9327.579352][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9327.579352][ T10] ___sys_sendmsg+0xee/0x170 [ 9327.579352][ T10] __sys_sendmsg+0xcd/0x170 [ 9327.579352][ T10] do_syscall_64+0xc6/0x1e0 [ 9327.579352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9327.579352][ T10] [ 9327.581389][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9327.581389][ T10] netdev_get_by_index+0x5e/0x80 [ 9327.581389][ T10] fib6_nh_init+0x3d8/0x1580 [ 9327.581389][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9327.581389][ T10] ip6_route_add+0x1c/0x140 [ 9327.581389][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9327.581389][ T10] inet6_addr_add+0x4f8/0xa40 [ 9327.581389][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9327.581389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9327.581389][ T10] netlink_rcv_skb+0x130/0x360 [ 9327.581389][ T10] netlink_unicast+0x449/0x710 [ 9327.581389][ T10] netlink_sendmsg+0x723/0xbe0 [ 9327.581389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9327.581389][ T10] ___sys_sendmsg+0xee/0x170 [ 9327.581389][ T10] __sys_sendmsg+0xcd/0x170 [ 9327.581389][ T10] do_syscall_64+0xc6/0x1e0 [ 9327.581389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9327.581389][ T10] [ 9327.583433][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9327.583433][ T10] netdev_get_by_index+0x5e/0x80 [ 9327.583433][ T10] fib6_nh_init+0x3d8/0x1580 [ 9327.583433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9327.583433][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9327.583433][ T10] ipv6_add_addr+0x411/0x2000 [ 9327.583433][ T10] inet6_addr_add+0x30e/0xa40 [ 9327.583433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9327.583433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9327.583433][ T10] netlink_rcv_skb+0x130/0x360 [ 9327.583433][ T10] netlink_unicast+0x449/0x710 [ 9327.583433][ T10] netlink_sendmsg+0x723/0xbe0 [ 9327.583433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9327.583433][ T10] ___sys_sendmsg+0xee/0x170 [ 9327.583433][ T10] __sys_sendmsg+0xcd/0x170 [ 9327.583433][ T10] do_syscall_64+0xc6/0x1e0 [ 9327.583433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9327.583433][ T10] [ 9327.585479][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9327.585479][ T10] netdev_get_by_index+0x5e/0x80 [ 9327.585479][ T10] fib6_nh_init+0x3d8/0x1580 [ 9327.585479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9327.585479][ T10] ip6_route_add+0x1c/0x140 [ 9327.585479][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9327.585479][ T10] addrconf_add_dev+0xe2/0x170 [ 9327.585479][ T10] inet6_addr_add+0x12f/0xa40 [ 9327.585479][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9327.585479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9327.585479][ T10] netlink_rcv_skb+0x130/0x360 [ 9327.585479][ T10] netlink_unicast+0x449/0x710 [ 9327.585479][ T10] netlink_sendmsg+0x723/0xbe0 [ 9327.585479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9327.585479][ T10] ___sys_sendmsg+0xee/0x170 [ 9327.585479][ T10] __sys_sendmsg+0xcd/0x170 [ 9327.585479][ T10] do_syscall_64+0xc6/0x1e0 [ 9327.585479][ T10] [ 9327.587483][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9327.587483][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9327.587483][ T10] ipv6_find_idev+0x102/0x170 [ 9327.587483][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9327.587483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9327.587483][ T10] netlink_rcv_skb+0x130/0x360 [ 9327.587483][ T10] netlink_unicast+0x449/0x710 [ 9327.587483][ T10] netlink_sendmsg+0x723/0xbe0 [ 9327.587483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9327.587483][ T10] ___sys_sendmsg+0xee/0x170 [ 9327.587483][ T10] __sys_sendmsg+0xcd/0x170 [ 9327.587483][ T10] do_syscall_64+0xc6/0x1e0 [ 9327.587483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9327.587483][ T10] [ 9327.589046][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9327.589046][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9327.589046][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9327.589046][ T10] ipv6_find_idev+0x102/0x170 [ 9327.589046][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9327.589046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9327.589046][ T10] netlink_rcv_skb+0x130/0x360 [ 9327.589046][ T10] netlink_unicast+0x449/0x710 [ 9327.589046][ T10] netlink_sendmsg+0x723/0xbe0 [ 9327.589046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9327.589046][ T10] ___sys_sendmsg+0xee/0x170 [ 9327.589046][ T10] __sys_sendmsg+0xcd/0x170 [ 9327.589046][ T10] do_syscall_64+0xc6/0x1e0 [ 9327.589046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9327.589046][ T10] [ 9327.894806][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9327.895238][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9327.895238][T12167] netdev_get_by_index+0x5e/0x80 [ 9327.895238][T12167] fib6_nh_init+0x3d8/0x1580 [ 9327.895238][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9327.895238][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9327.895238][T12167] ipv6_add_addr+0x411/0x2000 [ 9327.895238][T12167] inet6_addr_add+0x30e/0xa40 [ 9327.895238][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9327.895238][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9327.895238][T12167] netlink_rcv_skb+0x130/0x360 [ 9327.895238][T12167] netlink_unicast+0x449/0x710 [ 9327.895238][T12167] netlink_sendmsg+0x723/0xbe0 [ 9327.895238][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9327.895238][T12167] ___sys_sendmsg+0xee/0x170 [ 9327.895238][T12167] __sys_sendmsg+0xcd/0x170 [ 9327.895238][T12167] do_syscall_64+0xc6/0x1e0 [ 9327.895238][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9327.895238][T12167] [ 9327.897525][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9327.897525][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9327.897525][T12167] ipv6_find_idev+0x102/0x170 [ 9327.897525][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9327.897525][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9327.897525][T12167] netlink_rcv_skb+0x130/0x360 [ 9327.897525][T12167] netlink_unicast+0x449/0x710 [ 9327.897525][T12167] netlink_sendmsg+0x723/0xbe0 [ 9327.897525][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9327.897525][T12167] ___sys_sendmsg+0xee/0x170 [ 9327.897525][T12167] __sys_sendmsg+0xcd/0x170 [ 9327.897525][T12167] do_syscall_64+0xc6/0x1e0 [ 9327.897525][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9327.897525][T12167] [ 9327.899278][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9327.899278][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9327.899278][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9327.899278][T12167] ipv6_find_idev+0x102/0x170 [ 9327.899278][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9327.899278][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9327.899278][T12167] netlink_rcv_skb+0x130/0x360 [ 9327.899278][T12167] netlink_unicast+0x449/0x710 [ 9327.899278][T12167] netlink_sendmsg+0x723/0xbe0 [ 9327.899278][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9327.899278][T12167] ___sys_sendmsg+0xee/0x170 [ 9327.899278][T12167] __sys_sendmsg+0xcd/0x170 [ 9327.899278][T12167] do_syscall_64+0xc6/0x1e0 [ 9327.899278][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9327.899278][T12167] [ 9337.830827][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9337.831285][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9337.831285][ T10] dst_init+0x84/0x4a0 [ 9337.831285][ T10] dst_alloc+0x97/0x150 [ 9337.831285][ T10] ip6_dst_alloc+0x23/0x90 [ 9337.831285][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9337.831285][ T10] ip6_pol_route+0x56f/0x840 [ 9337.831285][ T10] fib6_rule_lookup+0x334/0x630 [ 9337.831285][ T10] ip6_route_output_flags+0x259/0x480 [ 9337.831285][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9337.831285][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9337.831285][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9337.831285][ T10] ____sys_sendmsg+0x772/0xa10 [ 9337.831285][ T10] ___sys_sendmsg+0xee/0x170 [ 9337.831285][ T10] __sys_sendmsg+0xcd/0x170 [ 9337.831285][ T10] do_syscall_64+0xc6/0x1e0 [ 9337.831285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9337.831285][ T10] [ 9337.833212][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9337.833212][ T10] dst_init+0x84/0x4a0 [ 9337.833212][ T10] dst_alloc+0x97/0x150 [ 9337.833212][ T10] ip6_dst_alloc+0x23/0x90 [ 9337.833212][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9337.833212][ T10] ip6_pol_route+0x56f/0x840 [ 9337.833212][ T10] fib6_rule_lookup+0x334/0x630 [ 9337.833212][ T10] ip6_route_output_flags+0x259/0x480 [ 9337.833212][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9337.833212][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9337.833212][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9337.833212][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9337.833212][ T10] ____sys_sendmsg+0x772/0xa10 [ 9337.833212][ T10] ___sys_sendmsg+0xee/0x170 [ 9337.833212][ T10] __sys_sendmsg+0xcd/0x170 [ 9337.833212][ T10] do_syscall_64+0xc6/0x1e0 [ 9337.833212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9337.833212][ T10] [ 9337.835206][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9337.835206][ T10] dst_init+0x84/0x4a0 [ 9337.835206][ T10] dst_alloc+0x97/0x150 [ 9337.835206][ T10] ip6_dst_alloc+0x23/0x90 [ 9337.835206][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9337.835206][ T10] ip6_pol_route+0x56f/0x840 [ 9337.835206][ T10] fib6_rule_lookup+0x334/0x630 [ 9337.835206][ T10] ip6_route_output_flags+0x259/0x480 [ 9337.835206][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9337.835206][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9337.835206][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9337.835206][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9337.835206][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9337.835206][ T10] ___sys_sendmsg+0xee/0x170 [ 9337.835206][ T10] __sys_sendmsg+0xcd/0x170 [ 9337.835206][ T10] do_syscall_64+0xc6/0x1e0 [ 9337.835206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9337.835206][ T10] [ 9337.837227][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9337.837227][ T10] netdev_get_by_index+0x5e/0x80 [ 9337.837227][ T10] fib6_nh_init+0x3d8/0x1580 [ 9337.837227][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9337.837227][ T10] ip6_route_add+0x1c/0x140 [ 9337.837227][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9337.837227][ T10] inet6_addr_add+0x4f8/0xa40 [ 9337.837227][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9337.837227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9337.837227][ T10] netlink_rcv_skb+0x130/0x360 [ 9337.837227][ T10] netlink_unicast+0x449/0x710 [ 9337.837227][ T10] netlink_sendmsg+0x723/0xbe0 [ 9337.837227][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9337.837227][ T10] ___sys_sendmsg+0xee/0x170 [ 9337.837227][ T10] __sys_sendmsg+0xcd/0x170 [ 9337.837227][ T10] do_syscall_64+0xc6/0x1e0 [ 9337.837227][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9337.837227][ T10] [ 9337.839224][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9337.839224][ T10] netdev_get_by_index+0x5e/0x80 [ 9337.839224][ T10] fib6_nh_init+0x3d8/0x1580 [ 9337.839224][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9337.839224][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9337.839224][ T10] ipv6_add_addr+0x411/0x2000 [ 9337.839224][ T10] inet6_addr_add+0x30e/0xa40 [ 9337.839224][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9337.839224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9337.839224][ T10] netlink_rcv_skb+0x130/0x360 [ 9337.839224][ T10] netlink_unicast+0x449/0x710 [ 9337.839224][ T10] netlink_sendmsg+0x723/0xbe0 [ 9337.839224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9337.839224][ T10] ___sys_sendmsg+0xee/0x170 [ 9337.839224][ T10] __sys_sendmsg+0xcd/0x170 [ 9337.839224][ T10] do_syscall_64+0xc6/0x1e0 [ 9337.839224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9337.839224][ T10] [ 9337.841218][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9337.841218][ T10] netdev_get_by_index+0x5e/0x80 [ 9337.841218][ T10] fib6_nh_init+0x3d8/0x1580 [ 9337.841218][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9337.841218][ T10] ip6_route_add+0x1c/0x140 [ 9337.841218][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9337.841218][ T10] addrconf_add_dev+0xe2/0x170 [ 9337.841218][ T10] inet6_addr_add+0x12f/0xa40 [ 9337.841218][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9337.841218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9337.841218][ T10] netlink_rcv_skb+0x130/0x360 [ 9337.841218][ T10] netlink_unicast+0x449/0x710 [ 9337.841218][ T10] netlink_sendmsg+0x723/0xbe0 [ 9337.841218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9337.841218][ T10] ___sys_sendmsg+0xee/0x170 [ 9337.841218][ T10] __sys_sendmsg+0xcd/0x170 [ 9337.841218][ T10] do_syscall_64+0xc6/0x1e0 [ 9337.841218][ T10] [ 9337.843190][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9337.843190][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9337.843190][ T10] ipv6_find_idev+0x102/0x170 [ 9337.843190][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9337.843190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9337.843190][ T10] netlink_rcv_skb+0x130/0x360 [ 9337.843190][ T10] netlink_unicast+0x449/0x710 [ 9337.843190][ T10] netlink_sendmsg+0x723/0xbe0 [ 9337.843190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9337.843190][ T10] ___sys_sendmsg+0xee/0x170 [ 9337.843190][ T10] __sys_sendmsg+0xcd/0x170 [ 9337.843190][ T10] do_syscall_64+0xc6/0x1e0 [ 9337.843190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9337.843190][ T10] [ 9337.844720][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9337.844720][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9337.844720][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9337.844720][ T10] ipv6_find_idev+0x102/0x170 [ 9337.844720][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9337.844720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9337.844720][ T10] netlink_rcv_skb+0x130/0x360 [ 9337.844720][ T10] netlink_unicast+0x449/0x710 [ 9337.844720][ T10] netlink_sendmsg+0x723/0xbe0 [ 9337.844720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9337.844720][ T10] ___sys_sendmsg+0xee/0x170 [ 9337.844720][ T10] __sys_sendmsg+0xcd/0x170 [ 9337.844720][ T10] do_syscall_64+0xc6/0x1e0 [ 9337.844720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9337.844720][ T10] [ 9338.142799][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9338.143219][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9338.143219][T12167] netdev_get_by_index+0x5e/0x80 [ 9338.143219][T12167] fib6_nh_init+0x3d8/0x1580 [ 9338.143219][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9338.143219][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9338.143219][T12167] ipv6_add_addr+0x411/0x2000 [ 9338.143219][T12167] inet6_addr_add+0x30e/0xa40 [ 9338.143219][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9338.143219][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9338.143219][T12167] netlink_rcv_skb+0x130/0x360 [ 9338.143219][T12167] netlink_unicast+0x449/0x710 [ 9338.143219][T12167] netlink_sendmsg+0x723/0xbe0 [ 9338.143219][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9338.143219][T12167] ___sys_sendmsg+0xee/0x170 [ 9338.143219][T12167] __sys_sendmsg+0xcd/0x170 [ 9338.143219][T12167] do_syscall_64+0xc6/0x1e0 [ 9338.143219][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9338.143219][T12167] [ 9338.145476][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9338.145476][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9338.145476][T12167] ipv6_find_idev+0x102/0x170 [ 9338.145476][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9338.145476][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9338.145476][T12167] netlink_rcv_skb+0x130/0x360 [ 9338.145476][T12167] netlink_unicast+0x449/0x710 [ 9338.145476][T12167] netlink_sendmsg+0x723/0xbe0 [ 9338.145476][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9338.145476][T12167] ___sys_sendmsg+0xee/0x170 [ 9338.145476][T12167] __sys_sendmsg+0xcd/0x170 [ 9338.145476][T12167] do_syscall_64+0xc6/0x1e0 [ 9338.145476][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9338.145476][T12167] [ 9338.147213][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9338.147213][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9338.147213][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9338.147213][T12167] ipv6_find_idev+0x102/0x170 [ 9338.147213][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9338.147213][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9338.147213][T12167] netlink_rcv_skb+0x130/0x360 [ 9338.147213][T12167] netlink_unicast+0x449/0x710 [ 9338.147213][T12167] netlink_sendmsg+0x723/0xbe0 [ 9338.147213][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9338.147213][T12167] ___sys_sendmsg+0xee/0x170 [ 9338.147213][T12167] __sys_sendmsg+0xcd/0x170 [ 9338.147213][T12167] do_syscall_64+0xc6/0x1e0 [ 9338.147213][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9338.147213][T12167] [ 9340.198811][ T42] INFO: task modprobe:12646 blocked for more than 614 seconds. [ 9340.199096][ T42] Not tainted 6.8.0-virtme #1 [ 9340.199220][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 9340.199418][ T42] task:modprobe state:D stack:25856 pid:12646 tgid:12646 ppid:44 flags:0x00004002 [ 9340.199797][ T42] Call Trace: [ 9340.199895][ T42] [ 9340.199965][ T42] __schedule+0x705/0x1ac0 [ 9340.200119][ T42] ? __pfx___schedule+0x10/0x10 [ 9340.200253][ T42] ? schedule+0x1a5/0x210 [ 9340.200350][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 9340.200481][ T42] ? mark_lock+0x38/0x3e0 [ 9340.200574][ T42] ? do_raw_spin_lock+0x131/0x270 [ 9340.200715][ T42] ? schedule+0x1a5/0x210 [ 9340.200814][ T42] schedule+0xdf/0x210 [ 9340.200913][ T42] schedule_preempt_disabled+0x15/0x30 [ 9340.201035][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 9340.201170][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 9340.201323][ T42] ? __pfx_console_unlock+0x10/0x10 [ 9340.201447][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 9340.201577][ T42] ? lock_acquire+0x1c1/0x220 [ 9340.201712][ T42] ? register_pernet_subsys+0x1a/0x50 [ 9340.201849][ T42] down_write+0x1c9/0x200 [ 9340.201944][ T42] ? __pfx_down_write+0x10/0x10 [ 9340.202069][ T42] ? __pfx__printk+0x10/0x10 [ 9340.202196][ T42] ? __pfx___lock_release+0x10/0x10 [ 9340.202325][ T42] register_pernet_subsys+0x1a/0x50 [ 9340.202447][ T42] tcf_register_action+0xa3/0x600 [ 9340.202575][ T42] ? __pfx_gact_init_module+0x10/0x10 [act_gact] [ 9340.202746][ T42] do_one_initcall+0xc8/0x3f0 [ 9340.202874][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 9340.202999][ T42] ? __create_object+0x5e/0xb0 [ 9340.203132][ T42] ? kasan_unpoison+0x27/0x60 [ 9340.203262][ T42] do_init_module+0x233/0x740 [ 9340.203400][ T42] load_module+0x16b5/0x2350 [ 9340.203539][ T42] ? __pfx_load_module+0x10/0x10 [ 9340.203662][ T42] ? kernel_read_file+0x3d2/0x520 [ 9340.203800][ T42] ? kernel_read_file+0x300/0x520 [ 9340.203931][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 9340.204061][ T42] ? init_module_from_file+0xd2/0x130 [ 9340.204186][ T42] init_module_from_file+0xd2/0x130 [ 9340.204314][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 9340.204468][ T42] ? __lock_release+0x103/0x460 [ 9340.204590][ T42] ? idempotent_init_module+0x32a/0x620 [ 9340.204733][ T42] ? idempotent_init_module+0x32a/0x620 [ 9340.204856][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 9340.204985][ T42] idempotent_init_module+0x342/0x620 [ 9340.205112][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 9340.205300][ T42] __x64_sys_finit_module+0xbe/0x130 [ 9340.205426][ T42] do_syscall_64+0xc6/0x1e0 [ 9340.205551][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9340.205715][ T42] RIP: 0033:0x7fac120f1e5d [ 9340.205847][ T42] RSP: 002b:00007ffc57d8a578 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 9340.206030][ T42] RAX: ffffffffffffffda RBX: 0000557fdddd7c80 RCX: 00007fac120f1e5d [ 9340.206213][ T42] RDX: 0000000000000000 RSI: 0000557fb6aeba2a RDI: 0000000000000000 [ 9340.206399][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffc57d8a6b0 [ 9340.206583][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557fb6aeba2a [ 9340.206771][ T42] R13: 0000557fdddd7ac0 R14: 0000557fdddd80b0 R15: 0000557fdddd7cf1 [ 9340.206966][ T42] [ 9340.207062][ T42] [ 9340.207062][ T42] Showing all locks held in the system: [ 9340.207243][ T42] 3 locks held by kworker/u16:0/10: [ 9340.207364][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 9340.207614][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 9340.207840][ T42] #2: ffffffff91f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 9340.208058][ T42] 1 lock held by khungtaskd/42: [ 9340.208186][ T42] #0: ffffffff917591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 9340.208403][ T42] 2 locks held by kworker/u17:1/44: [ 9340.208520][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 9340.208770][ T42] #1: ffffc90000317da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 9340.209056][ T42] 1 lock held by modprobe/12646: [ 9340.209174][ T42] #0: ffffffff91f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 9340.209422][ T42] [ 9340.209483][ T42] ============================================= [ 9340.209483][ T42] [ 9348.095223][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9348.095676][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9348.095676][ T10] dst_init+0x84/0x4a0 [ 9348.095676][ T10] dst_alloc+0x97/0x150 [ 9348.095676][ T10] ip6_dst_alloc+0x23/0x90 [ 9348.095676][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9348.095676][ T10] ip6_pol_route+0x56f/0x840 [ 9348.095676][ T10] fib6_rule_lookup+0x334/0x630 [ 9348.095676][ T10] ip6_route_output_flags+0x259/0x480 [ 9348.095676][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9348.095676][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9348.095676][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9348.095676][ T10] ____sys_sendmsg+0x772/0xa10 [ 9348.095676][ T10] ___sys_sendmsg+0xee/0x170 [ 9348.095676][ T10] __sys_sendmsg+0xcd/0x170 [ 9348.095676][ T10] do_syscall_64+0xc6/0x1e0 [ 9348.095676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9348.095676][ T10] [ 9348.097588][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9348.097588][ T10] dst_init+0x84/0x4a0 [ 9348.097588][ T10] dst_alloc+0x97/0x150 [ 9348.097588][ T10] ip6_dst_alloc+0x23/0x90 [ 9348.097588][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9348.097588][ T10] ip6_pol_route+0x56f/0x840 [ 9348.097588][ T10] fib6_rule_lookup+0x334/0x630 [ 9348.097588][ T10] ip6_route_output_flags+0x259/0x480 [ 9348.097588][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9348.097588][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9348.097588][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9348.097588][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9348.097588][ T10] ____sys_sendmsg+0x772/0xa10 [ 9348.097588][ T10] ___sys_sendmsg+0xee/0x170 [ 9348.097588][ T10] __sys_sendmsg+0xcd/0x170 [ 9348.097588][ T10] do_syscall_64+0xc6/0x1e0 [ 9348.097588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9348.097588][ T10] [ 9348.099590][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9348.099590][ T10] dst_init+0x84/0x4a0 [ 9348.099590][ T10] dst_alloc+0x97/0x150 [ 9348.099590][ T10] ip6_dst_alloc+0x23/0x90 [ 9348.099590][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9348.099590][ T10] ip6_pol_route+0x56f/0x840 [ 9348.099590][ T10] fib6_rule_lookup+0x334/0x630 [ 9348.099590][ T10] ip6_route_output_flags+0x259/0x480 [ 9348.099590][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9348.099590][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9348.099590][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9348.099590][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9348.099590][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9348.099590][ T10] ___sys_sendmsg+0xee/0x170 [ 9348.099590][ T10] __sys_sendmsg+0xcd/0x170 [ 9348.099590][ T10] do_syscall_64+0xc6/0x1e0 [ 9348.099590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9348.099590][ T10] [ 9348.101597][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9348.101597][ T10] netdev_get_by_index+0x5e/0x80 [ 9348.101597][ T10] fib6_nh_init+0x3d8/0x1580 [ 9348.101597][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9348.101597][ T10] ip6_route_add+0x1c/0x140 [ 9348.101597][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9348.101597][ T10] inet6_addr_add+0x4f8/0xa40 [ 9348.101597][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9348.101597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9348.101597][ T10] netlink_rcv_skb+0x130/0x360 [ 9348.101597][ T10] netlink_unicast+0x449/0x710 [ 9348.101597][ T10] netlink_sendmsg+0x723/0xbe0 [ 9348.101597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9348.101597][ T10] ___sys_sendmsg+0xee/0x170 [ 9348.101597][ T10] __sys_sendmsg+0xcd/0x170 [ 9348.101597][ T10] do_syscall_64+0xc6/0x1e0 [ 9348.101597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9348.101597][ T10] [ 9348.103618][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9348.103618][ T10] netdev_get_by_index+0x5e/0x80 [ 9348.103618][ T10] fib6_nh_init+0x3d8/0x1580 [ 9348.103618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9348.103618][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9348.103618][ T10] ipv6_add_addr+0x411/0x2000 [ 9348.103618][ T10] inet6_addr_add+0x30e/0xa40 [ 9348.103618][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9348.103618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9348.103618][ T10] netlink_rcv_skb+0x130/0x360 [ 9348.103618][ T10] netlink_unicast+0x449/0x710 [ 9348.103618][ T10] netlink_sendmsg+0x723/0xbe0 [ 9348.103618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9348.103618][ T10] ___sys_sendmsg+0xee/0x170 [ 9348.103618][ T10] __sys_sendmsg+0xcd/0x170 [ 9348.103618][ T10] do_syscall_64+0xc6/0x1e0 [ 9348.103618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9348.103618][ T10] [ 9348.105621][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9348.105621][ T10] netdev_get_by_index+0x5e/0x80 [ 9348.105621][ T10] fib6_nh_init+0x3d8/0x1580 [ 9348.105621][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9348.105621][ T10] ip6_route_add+0x1c/0x140 [ 9348.105621][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9348.105621][ T10] addrconf_add_dev+0xe2/0x170 [ 9348.105621][ T10] inet6_addr_add+0x12f/0xa40 [ 9348.105621][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9348.105621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9348.105621][ T10] netlink_rcv_skb+0x130/0x360 [ 9348.105621][ T10] netlink_unicast+0x449/0x710 [ 9348.105621][ T10] netlink_sendmsg+0x723/0xbe0 [ 9348.105621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9348.105621][ T10] ___sys_sendmsg+0xee/0x170 [ 9348.105621][ T10] __sys_sendmsg+0xcd/0x170 [ 9348.105621][ T10] do_syscall_64+0xc6/0x1e0 [ 9348.105621][ T10] [ 9348.107600][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9348.107600][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9348.107600][ T10] ipv6_find_idev+0x102/0x170 [ 9348.107600][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9348.107600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9348.107600][ T10] netlink_rcv_skb+0x130/0x360 [ 9348.107600][ T10] netlink_unicast+0x449/0x710 [ 9348.107600][ T10] netlink_sendmsg+0x723/0xbe0 [ 9348.107600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9348.107600][ T10] ___sys_sendmsg+0xee/0x170 [ 9348.107600][ T10] __sys_sendmsg+0xcd/0x170 [ 9348.107600][ T10] do_syscall_64+0xc6/0x1e0 [ 9348.107600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9348.107600][ T10] [ 9348.109141][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9348.109141][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9348.109141][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9348.109141][ T10] ipv6_find_idev+0x102/0x170 [ 9348.109141][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9348.109141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9348.109141][ T10] netlink_rcv_skb+0x130/0x360 [ 9348.109141][ T10] netlink_unicast+0x449/0x710 [ 9348.109141][ T10] netlink_sendmsg+0x723/0xbe0 [ 9348.109141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9348.109141][ T10] ___sys_sendmsg+0xee/0x170 [ 9348.109141][ T10] __sys_sendmsg+0xcd/0x170 [ 9348.109141][ T10] do_syscall_64+0xc6/0x1e0 [ 9348.109141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9348.109141][ T10] [ 9348.390807][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9348.391236][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9348.391236][T12167] netdev_get_by_index+0x5e/0x80 [ 9348.391236][T12167] fib6_nh_init+0x3d8/0x1580 [ 9348.391236][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9348.391236][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9348.391236][T12167] ipv6_add_addr+0x411/0x2000 [ 9348.391236][T12167] inet6_addr_add+0x30e/0xa40 [ 9348.391236][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9348.391236][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9348.391236][T12167] netlink_rcv_skb+0x130/0x360 [ 9348.391236][T12167] netlink_unicast+0x449/0x710 [ 9348.391236][T12167] netlink_sendmsg+0x723/0xbe0 [ 9348.391236][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9348.391236][T12167] ___sys_sendmsg+0xee/0x170 [ 9348.391236][T12167] __sys_sendmsg+0xcd/0x170 [ 9348.391236][T12167] do_syscall_64+0xc6/0x1e0 [ 9348.391236][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9348.391236][T12167] [ 9348.393487][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9348.393487][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9348.393487][T12167] ipv6_find_idev+0x102/0x170 [ 9348.393487][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9348.393487][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9348.393487][T12167] netlink_rcv_skb+0x130/0x360 [ 9348.393487][T12167] netlink_unicast+0x449/0x710 [ 9348.393487][T12167] netlink_sendmsg+0x723/0xbe0 [ 9348.393487][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9348.393487][T12167] ___sys_sendmsg+0xee/0x170 [ 9348.393487][T12167] __sys_sendmsg+0xcd/0x170 [ 9348.393487][T12167] do_syscall_64+0xc6/0x1e0 [ 9348.393487][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9348.393487][T12167] [ 9348.395211][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9348.395211][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9348.395211][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9348.395211][T12167] ipv6_find_idev+0x102/0x170 [ 9348.395211][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9348.395211][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9348.395211][T12167] netlink_rcv_skb+0x130/0x360 [ 9348.395211][T12167] netlink_unicast+0x449/0x710 [ 9348.395211][T12167] netlink_sendmsg+0x723/0xbe0 [ 9348.395211][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9348.395211][T12167] ___sys_sendmsg+0xee/0x170 [ 9348.395211][T12167] __sys_sendmsg+0xcd/0x170 [ 9348.395211][T12167] do_syscall_64+0xc6/0x1e0 [ 9348.395211][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9348.395211][T12167] [ 9358.350872][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9358.351343][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9358.351343][ T10] dst_init+0x84/0x4a0 [ 9358.351343][ T10] dst_alloc+0x97/0x150 [ 9358.351343][ T10] ip6_dst_alloc+0x23/0x90 [ 9358.351343][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9358.351343][ T10] ip6_pol_route+0x56f/0x840 [ 9358.351343][ T10] fib6_rule_lookup+0x334/0x630 [ 9358.351343][ T10] ip6_route_output_flags+0x259/0x480 [ 9358.351343][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9358.351343][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9358.351343][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9358.351343][ T10] ____sys_sendmsg+0x772/0xa10 [ 9358.351343][ T10] ___sys_sendmsg+0xee/0x170 [ 9358.351343][ T10] __sys_sendmsg+0xcd/0x170 [ 9358.351343][ T10] do_syscall_64+0xc6/0x1e0 [ 9358.351343][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9358.351343][ T10] [ 9358.353257][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9358.353257][ T10] dst_init+0x84/0x4a0 [ 9358.353257][ T10] dst_alloc+0x97/0x150 [ 9358.353257][ T10] ip6_dst_alloc+0x23/0x90 [ 9358.353257][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9358.353257][ T10] ip6_pol_route+0x56f/0x840 [ 9358.353257][ T10] fib6_rule_lookup+0x334/0x630 [ 9358.353257][ T10] ip6_route_output_flags+0x259/0x480 [ 9358.353257][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9358.353257][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9358.353257][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9358.353257][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9358.353257][ T10] ____sys_sendmsg+0x772/0xa10 [ 9358.353257][ T10] ___sys_sendmsg+0xee/0x170 [ 9358.353257][ T10] __sys_sendmsg+0xcd/0x170 [ 9358.353257][ T10] do_syscall_64+0xc6/0x1e0 [ 9358.353257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9358.353257][ T10] [ 9358.355262][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9358.355262][ T10] dst_init+0x84/0x4a0 [ 9358.355262][ T10] dst_alloc+0x97/0x150 [ 9358.355262][ T10] ip6_dst_alloc+0x23/0x90 [ 9358.355262][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9358.355262][ T10] ip6_pol_route+0x56f/0x840 [ 9358.355262][ T10] fib6_rule_lookup+0x334/0x630 [ 9358.355262][ T10] ip6_route_output_flags+0x259/0x480 [ 9358.355262][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9358.355262][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9358.355262][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9358.355262][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9358.355262][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9358.355262][ T10] ___sys_sendmsg+0xee/0x170 [ 9358.355262][ T10] __sys_sendmsg+0xcd/0x170 [ 9358.355262][ T10] do_syscall_64+0xc6/0x1e0 [ 9358.355262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9358.355262][ T10] [ 9358.357299][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9358.357299][ T10] netdev_get_by_index+0x5e/0x80 [ 9358.357299][ T10] fib6_nh_init+0x3d8/0x1580 [ 9358.357299][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9358.357299][ T10] ip6_route_add+0x1c/0x140 [ 9358.357299][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9358.357299][ T10] inet6_addr_add+0x4f8/0xa40 [ 9358.357299][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9358.357299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9358.357299][ T10] netlink_rcv_skb+0x130/0x360 [ 9358.357299][ T10] netlink_unicast+0x449/0x710 [ 9358.357299][ T10] netlink_sendmsg+0x723/0xbe0 [ 9358.357299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9358.357299][ T10] ___sys_sendmsg+0xee/0x170 [ 9358.357299][ T10] __sys_sendmsg+0xcd/0x170 [ 9358.357299][ T10] do_syscall_64+0xc6/0x1e0 [ 9358.357299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9358.357299][ T10] [ 9358.359315][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9358.359315][ T10] netdev_get_by_index+0x5e/0x80 [ 9358.359315][ T10] fib6_nh_init+0x3d8/0x1580 [ 9358.359315][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9358.359315][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9358.359315][ T10] ipv6_add_addr+0x411/0x2000 [ 9358.359315][ T10] inet6_addr_add+0x30e/0xa40 [ 9358.359315][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9358.359315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9358.359315][ T10] netlink_rcv_skb+0x130/0x360 [ 9358.359315][ T10] netlink_unicast+0x449/0x710 [ 9358.359315][ T10] netlink_sendmsg+0x723/0xbe0 [ 9358.359315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9358.359315][ T10] ___sys_sendmsg+0xee/0x170 [ 9358.359315][ T10] __sys_sendmsg+0xcd/0x170 [ 9358.359315][ T10] do_syscall_64+0xc6/0x1e0 [ 9358.359315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9358.359315][ T10] [ 9358.361324][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9358.361324][ T10] netdev_get_by_index+0x5e/0x80 [ 9358.361324][ T10] fib6_nh_init+0x3d8/0x1580 [ 9358.361324][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9358.361324][ T10] ip6_route_add+0x1c/0x140 [ 9358.361324][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9358.361324][ T10] addrconf_add_dev+0xe2/0x170 [ 9358.361324][ T10] inet6_addr_add+0x12f/0xa40 [ 9358.361324][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9358.361324][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9358.361324][ T10] netlink_rcv_skb+0x130/0x360 [ 9358.361324][ T10] netlink_unicast+0x449/0x710 [ 9358.361324][ T10] netlink_sendmsg+0x723/0xbe0 [ 9358.361324][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9358.361324][ T10] ___sys_sendmsg+0xee/0x170 [ 9358.361324][ T10] __sys_sendmsg+0xcd/0x170 [ 9358.361324][ T10] do_syscall_64+0xc6/0x1e0 [ 9358.361324][ T10] [ 9358.363316][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9358.363316][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9358.363316][ T10] ipv6_find_idev+0x102/0x170 [ 9358.363316][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9358.363316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9358.363316][ T10] netlink_rcv_skb+0x130/0x360 [ 9358.363316][ T10] netlink_unicast+0x449/0x710 [ 9358.363316][ T10] netlink_sendmsg+0x723/0xbe0 [ 9358.363316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9358.363316][ T10] ___sys_sendmsg+0xee/0x170 [ 9358.363316][ T10] __sys_sendmsg+0xcd/0x170 [ 9358.363316][ T10] do_syscall_64+0xc6/0x1e0 [ 9358.363316][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9358.363316][ T10] [ 9358.364867][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9358.364867][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9358.364867][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9358.364867][ T10] ipv6_find_idev+0x102/0x170 [ 9358.364867][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9358.364867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9358.364867][ T10] netlink_rcv_skb+0x130/0x360 [ 9358.364867][ T10] netlink_unicast+0x449/0x710 [ 9358.364867][ T10] netlink_sendmsg+0x723/0xbe0 [ 9358.364867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9358.364867][ T10] ___sys_sendmsg+0xee/0x170 [ 9358.364867][ T10] __sys_sendmsg+0xcd/0x170 [ 9358.364867][ T10] do_syscall_64+0xc6/0x1e0 [ 9358.364867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9358.364867][ T10] [ 9358.406825][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9358.407242][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9358.407242][T12167] netdev_get_by_index+0x5e/0x80 [ 9358.407242][T12167] fib6_nh_init+0x3d8/0x1580 [ 9358.407242][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9358.407242][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9358.407242][T12167] ipv6_add_addr+0x411/0x2000 [ 9358.407242][T12167] inet6_addr_add+0x30e/0xa40 [ 9358.407242][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9358.407242][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9358.407242][T12167] netlink_rcv_skb+0x130/0x360 [ 9358.407242][T12167] netlink_unicast+0x449/0x710 [ 9358.407242][T12167] netlink_sendmsg+0x723/0xbe0 [ 9358.407242][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9358.407242][T12167] ___sys_sendmsg+0xee/0x170 [ 9358.407242][T12167] __sys_sendmsg+0xcd/0x170 [ 9358.407242][T12167] do_syscall_64+0xc6/0x1e0 [ 9358.407242][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9358.407242][T12167] [ 9358.409501][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9358.409501][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9358.409501][T12167] ipv6_find_idev+0x102/0x170 [ 9358.409501][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9358.409501][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9358.409501][T12167] netlink_rcv_skb+0x130/0x360 [ 9358.409501][T12167] netlink_unicast+0x449/0x710 [ 9358.409501][T12167] netlink_sendmsg+0x723/0xbe0 [ 9358.409501][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9358.409501][T12167] ___sys_sendmsg+0xee/0x170 [ 9358.409501][T12167] __sys_sendmsg+0xcd/0x170 [ 9358.409501][T12167] do_syscall_64+0xc6/0x1e0 [ 9358.409501][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9358.409501][T12167] [ 9358.411230][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9358.411230][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9358.411230][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9358.411230][T12167] ipv6_find_idev+0x102/0x170 [ 9358.411230][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9358.411230][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9358.411230][T12167] netlink_rcv_skb+0x130/0x360 [ 9358.411230][T12167] netlink_unicast+0x449/0x710 [ 9358.411230][T12167] netlink_sendmsg+0x723/0xbe0 [ 9358.411230][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9358.411230][T12167] ___sys_sendmsg+0xee/0x170 [ 9358.411230][T12167] __sys_sendmsg+0xcd/0x170 [ 9358.411230][T12167] do_syscall_64+0xc6/0x1e0 [ 9358.411230][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9358.411230][T12167] [ 9368.398881][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9368.399356][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9368.399356][ T10] dst_init+0x84/0x4a0 [ 9368.399356][ T10] dst_alloc+0x97/0x150 [ 9368.399356][ T10] ip6_dst_alloc+0x23/0x90 [ 9368.399356][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9368.399356][ T10] ip6_pol_route+0x56f/0x840 [ 9368.399356][ T10] fib6_rule_lookup+0x334/0x630 [ 9368.399356][ T10] ip6_route_output_flags+0x259/0x480 [ 9368.399356][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9368.399356][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9368.399356][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9368.399356][ T10] ____sys_sendmsg+0x772/0xa10 [ 9368.399356][ T10] ___sys_sendmsg+0xee/0x170 [ 9368.399356][ T10] __sys_sendmsg+0xcd/0x170 [ 9368.399356][ T10] do_syscall_64+0xc6/0x1e0 [ 9368.399356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9368.399356][ T10] [ 9368.401287][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9368.401287][ T10] dst_init+0x84/0x4a0 [ 9368.401287][ T10] dst_alloc+0x97/0x150 [ 9368.401287][ T10] ip6_dst_alloc+0x23/0x90 [ 9368.401287][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9368.401287][ T10] ip6_pol_route+0x56f/0x840 [ 9368.401287][ T10] fib6_rule_lookup+0x334/0x630 [ 9368.401287][ T10] ip6_route_output_flags+0x259/0x480 [ 9368.401287][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9368.401287][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9368.401287][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9368.401287][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9368.401287][ T10] ____sys_sendmsg+0x772/0xa10 [ 9368.401287][ T10] ___sys_sendmsg+0xee/0x170 [ 9368.401287][ T10] __sys_sendmsg+0xcd/0x170 [ 9368.401287][ T10] do_syscall_64+0xc6/0x1e0 [ 9368.401287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9368.401287][ T10] [ 9368.403304][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9368.403304][ T10] dst_init+0x84/0x4a0 [ 9368.403304][ T10] dst_alloc+0x97/0x150 [ 9368.403304][ T10] ip6_dst_alloc+0x23/0x90 [ 9368.403304][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9368.403304][ T10] ip6_pol_route+0x56f/0x840 [ 9368.403304][ T10] fib6_rule_lookup+0x334/0x630 [ 9368.403304][ T10] ip6_route_output_flags+0x259/0x480 [ 9368.403304][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9368.403304][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9368.403304][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9368.403304][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9368.403304][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9368.403304][ T10] ___sys_sendmsg+0xee/0x170 [ 9368.403304][ T10] __sys_sendmsg+0xcd/0x170 [ 9368.403304][ T10] do_syscall_64+0xc6/0x1e0 [ 9368.403304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9368.403304][ T10] [ 9368.405322][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9368.405322][ T10] netdev_get_by_index+0x5e/0x80 [ 9368.405322][ T10] fib6_nh_init+0x3d8/0x1580 [ 9368.405322][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9368.405322][ T10] ip6_route_add+0x1c/0x140 [ 9368.405322][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9368.405322][ T10] inet6_addr_add+0x4f8/0xa40 [ 9368.405322][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9368.405322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9368.405322][ T10] netlink_rcv_skb+0x130/0x360 [ 9368.405322][ T10] netlink_unicast+0x449/0x710 [ 9368.405322][ T10] netlink_sendmsg+0x723/0xbe0 [ 9368.405322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9368.405322][ T10] ___sys_sendmsg+0xee/0x170 [ 9368.405322][ T10] __sys_sendmsg+0xcd/0x170 [ 9368.405322][ T10] do_syscall_64+0xc6/0x1e0 [ 9368.405322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9368.405322][ T10] [ 9368.407319][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9368.407319][ T10] netdev_get_by_index+0x5e/0x80 [ 9368.407319][ T10] fib6_nh_init+0x3d8/0x1580 [ 9368.407319][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9368.407319][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9368.407319][ T10] ipv6_add_addr+0x411/0x2000 [ 9368.407319][ T10] inet6_addr_add+0x30e/0xa40 [ 9368.407319][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9368.407319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9368.407319][ T10] netlink_rcv_skb+0x130/0x360 [ 9368.407319][ T10] netlink_unicast+0x449/0x710 [ 9368.407319][ T10] netlink_sendmsg+0x723/0xbe0 [ 9368.407319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9368.407319][ T10] ___sys_sendmsg+0xee/0x170 [ 9368.407319][ T10] __sys_sendmsg+0xcd/0x170 [ 9368.407319][ T10] do_syscall_64+0xc6/0x1e0 [ 9368.407319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9368.407319][ T10] [ 9368.409325][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9368.409325][ T10] netdev_get_by_index+0x5e/0x80 [ 9368.409325][ T10] fib6_nh_init+0x3d8/0x1580 [ 9368.409325][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9368.409325][ T10] ip6_route_add+0x1c/0x140 [ 9368.409325][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9368.409325][ T10] addrconf_add_dev+0xe2/0x170 [ 9368.409325][ T10] inet6_addr_add+0x12f/0xa40 [ 9368.409325][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9368.409325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9368.409325][ T10] netlink_rcv_skb+0x130/0x360 [ 9368.409325][ T10] netlink_unicast+0x449/0x710 [ 9368.409325][ T10] netlink_sendmsg+0x723/0xbe0 [ 9368.409325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9368.409325][ T10] ___sys_sendmsg+0xee/0x170 [ 9368.409325][ T10] __sys_sendmsg+0xcd/0x170 [ 9368.409325][ T10] do_syscall_64+0xc6/0x1e0 [ 9368.409325][ T10] [ 9368.411293][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9368.411293][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9368.411293][ T10] ipv6_find_idev+0x102/0x170 [ 9368.411293][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9368.411293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9368.411293][ T10] netlink_rcv_skb+0x130/0x360 [ 9368.411293][ T10] netlink_unicast+0x449/0x710 [ 9368.411293][ T10] netlink_sendmsg+0x723/0xbe0 [ 9368.411293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9368.411293][ T10] ___sys_sendmsg+0xee/0x170 [ 9368.411293][ T10] __sys_sendmsg+0xcd/0x170 [ 9368.411293][ T10] do_syscall_64+0xc6/0x1e0 [ 9368.411293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9368.411293][ T10] [ 9368.412841][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9368.412841][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9368.412841][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9368.412841][ T10] ipv6_find_idev+0x102/0x170 [ 9368.412841][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9368.412841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9368.412841][ T10] netlink_rcv_skb+0x130/0x360 [ 9368.412841][ T10] netlink_unicast+0x449/0x710 [ 9368.412841][ T10] netlink_sendmsg+0x723/0xbe0 [ 9368.412841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9368.412841][ T10] ___sys_sendmsg+0xee/0x170 [ 9368.412841][ T10] __sys_sendmsg+0xcd/0x170 [ 9368.412841][ T10] do_syscall_64+0xc6/0x1e0 [ 9368.412841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9368.412841][ T10] [ 9368.654796][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9368.655507][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9368.655507][T12167] netdev_get_by_index+0x5e/0x80 [ 9368.655507][T12167] fib6_nh_init+0x3d8/0x1580 [ 9368.655507][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9368.655507][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9368.655507][T12167] ipv6_add_addr+0x411/0x2000 [ 9368.655507][T12167] inet6_addr_add+0x30e/0xa40 [ 9368.655507][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9368.655507][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9368.655507][T12167] netlink_rcv_skb+0x130/0x360 [ 9368.655507][T12167] netlink_unicast+0x449/0x710 [ 9368.655507][T12167] netlink_sendmsg+0x723/0xbe0 [ 9368.655507][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9368.655507][T12167] ___sys_sendmsg+0xee/0x170 [ 9368.655507][T12167] __sys_sendmsg+0xcd/0x170 [ 9368.655507][T12167] do_syscall_64+0xc6/0x1e0 [ 9368.655507][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9368.655507][T12167] [ 9368.659452][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9368.659452][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9368.659452][T12167] ipv6_find_idev+0x102/0x170 [ 9368.659452][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9368.659452][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9368.659452][T12167] netlink_rcv_skb+0x130/0x360 [ 9368.659452][T12167] netlink_unicast+0x449/0x710 [ 9368.659452][T12167] netlink_sendmsg+0x723/0xbe0 [ 9368.659452][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9368.659452][T12167] ___sys_sendmsg+0xee/0x170 [ 9368.659452][T12167] __sys_sendmsg+0xcd/0x170 [ 9368.659452][T12167] do_syscall_64+0xc6/0x1e0 [ 9368.659452][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9368.659452][T12167] [ 9368.662493][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9368.662493][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9368.662493][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9368.662493][T12167] ipv6_find_idev+0x102/0x170 [ 9368.662493][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9368.662493][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9368.662493][T12167] netlink_rcv_skb+0x130/0x360 [ 9368.662493][T12167] netlink_unicast+0x449/0x710 [ 9368.662493][T12167] netlink_sendmsg+0x723/0xbe0 [ 9368.662493][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9368.662493][T12167] ___sys_sendmsg+0xee/0x170 [ 9368.662493][T12167] __sys_sendmsg+0xcd/0x170 [ 9368.662493][T12167] do_syscall_64+0xc6/0x1e0 [ 9368.662493][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9368.662493][T12167] [ 9378.606841][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9378.607373][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9378.607373][ T10] dst_init+0x84/0x4a0 [ 9378.607373][ T10] dst_alloc+0x97/0x150 [ 9378.607373][ T10] ip6_dst_alloc+0x23/0x90 [ 9378.607373][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9378.607373][ T10] ip6_pol_route+0x56f/0x840 [ 9378.607373][ T10] fib6_rule_lookup+0x334/0x630 [ 9378.607373][ T10] ip6_route_output_flags+0x259/0x480 [ 9378.607373][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9378.607373][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9378.607373][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9378.607373][ T10] ____sys_sendmsg+0x772/0xa10 [ 9378.607373][ T10] ___sys_sendmsg+0xee/0x170 [ 9378.607373][ T10] __sys_sendmsg+0xcd/0x170 [ 9378.607373][ T10] do_syscall_64+0xc6/0x1e0 [ 9378.607373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9378.607373][ T10] [ 9378.609494][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9378.609494][ T10] dst_init+0x84/0x4a0 [ 9378.609494][ T10] dst_alloc+0x97/0x150 [ 9378.609494][ T10] ip6_dst_alloc+0x23/0x90 [ 9378.609494][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9378.609494][ T10] ip6_pol_route+0x56f/0x840 [ 9378.609494][ T10] fib6_rule_lookup+0x334/0x630 [ 9378.609494][ T10] ip6_route_output_flags+0x259/0x480 [ 9378.609494][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9378.609494][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9378.609494][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9378.609494][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9378.609494][ T10] ____sys_sendmsg+0x772/0xa10 [ 9378.609494][ T10] ___sys_sendmsg+0xee/0x170 [ 9378.609494][ T10] __sys_sendmsg+0xcd/0x170 [ 9378.609494][ T10] do_syscall_64+0xc6/0x1e0 [ 9378.609494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9378.609494][ T10] [ 9378.611755][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9378.611755][ T10] dst_init+0x84/0x4a0 [ 9378.611755][ T10] dst_alloc+0x97/0x150 [ 9378.611755][ T10] ip6_dst_alloc+0x23/0x90 [ 9378.611755][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9378.611755][ T10] ip6_pol_route+0x56f/0x840 [ 9378.611755][ T10] fib6_rule_lookup+0x334/0x630 [ 9378.611755][ T10] ip6_route_output_flags+0x259/0x480 [ 9378.611755][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9378.611755][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9378.611755][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9378.611755][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9378.611755][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9378.611755][ T10] ___sys_sendmsg+0xee/0x170 [ 9378.611755][ T10] __sys_sendmsg+0xcd/0x170 [ 9378.611755][ T10] do_syscall_64+0xc6/0x1e0 [ 9378.611755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9378.611755][ T10] [ 9378.613999][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9378.613999][ T10] netdev_get_by_index+0x5e/0x80 [ 9378.613999][ T10] fib6_nh_init+0x3d8/0x1580 [ 9378.613999][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9378.613999][ T10] ip6_route_add+0x1c/0x140 [ 9378.613999][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9378.613999][ T10] inet6_addr_add+0x4f8/0xa40 [ 9378.613999][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9378.613999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9378.613999][ T10] netlink_rcv_skb+0x130/0x360 [ 9378.613999][ T10] netlink_unicast+0x449/0x710 [ 9378.613999][ T10] netlink_sendmsg+0x723/0xbe0 [ 9378.613999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9378.613999][ T10] ___sys_sendmsg+0xee/0x170 [ 9378.613999][ T10] __sys_sendmsg+0xcd/0x170 [ 9378.613999][ T10] do_syscall_64+0xc6/0x1e0 [ 9378.613999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9378.613999][ T10] [ 9378.616241][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9378.616241][ T10] netdev_get_by_index+0x5e/0x80 [ 9378.616241][ T10] fib6_nh_init+0x3d8/0x1580 [ 9378.616241][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9378.616241][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9378.616241][ T10] ipv6_add_addr+0x411/0x2000 [ 9378.616241][ T10] inet6_addr_add+0x30e/0xa40 [ 9378.616241][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9378.616241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9378.616241][ T10] netlink_rcv_skb+0x130/0x360 [ 9378.616241][ T10] netlink_unicast+0x449/0x710 [ 9378.616241][ T10] netlink_sendmsg+0x723/0xbe0 [ 9378.616241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9378.616241][ T10] ___sys_sendmsg+0xee/0x170 [ 9378.616241][ T10] __sys_sendmsg+0xcd/0x170 [ 9378.616241][ T10] do_syscall_64+0xc6/0x1e0 [ 9378.616241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9378.616241][ T10] [ 9378.618472][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9378.618472][ T10] netdev_get_by_index+0x5e/0x80 [ 9378.618472][ T10] fib6_nh_init+0x3d8/0x1580 [ 9378.618472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9378.618472][ T10] ip6_route_add+0x1c/0x140 [ 9378.618472][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9378.618472][ T10] addrconf_add_dev+0xe2/0x170 [ 9378.618472][ T10] inet6_addr_add+0x12f/0xa40 [ 9378.618472][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9378.618472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9378.618472][ T10] netlink_rcv_skb+0x130/0x360 [ 9378.618472][ T10] netlink_unicast+0x449/0x710 [ 9378.618472][ T10] netlink_sendmsg+0x723/0xbe0 [ 9378.618472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9378.618472][ T10] ___sys_sendmsg+0xee/0x170 [ 9378.618472][ T10] __sys_sendmsg+0xcd/0x170 [ 9378.618472][ T10] do_syscall_64+0xc6/0x1e0 [ 9378.618472][ T10] [ 9378.620694][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9378.620694][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9378.620694][ T10] ipv6_find_idev+0x102/0x170 [ 9378.620694][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9378.620694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9378.620694][ T10] netlink_rcv_skb+0x130/0x360 [ 9378.620694][ T10] netlink_unicast+0x449/0x710 [ 9378.620694][ T10] netlink_sendmsg+0x723/0xbe0 [ 9378.620694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9378.620694][ T10] ___sys_sendmsg+0xee/0x170 [ 9378.620694][ T10] __sys_sendmsg+0xcd/0x170 [ 9378.620694][ T10] do_syscall_64+0xc6/0x1e0 [ 9378.620694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9378.620694][ T10] [ 9378.622414][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9378.622414][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9378.622414][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9378.622414][ T10] ipv6_find_idev+0x102/0x170 [ 9378.622414][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9378.622414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9378.622414][ T10] netlink_rcv_skb+0x130/0x360 [ 9378.622414][ T10] netlink_unicast+0x449/0x710 [ 9378.622414][ T10] netlink_sendmsg+0x723/0xbe0 [ 9378.622414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9378.622414][ T10] ___sys_sendmsg+0xee/0x170 [ 9378.622414][ T10] __sys_sendmsg+0xcd/0x170 [ 9378.622414][ T10] do_syscall_64+0xc6/0x1e0 [ 9378.622414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9378.622414][ T10] [ 9378.862821][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9378.863338][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9378.863338][T12167] netdev_get_by_index+0x5e/0x80 [ 9378.863338][T12167] fib6_nh_init+0x3d8/0x1580 [ 9378.863338][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9378.863338][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9378.863338][T12167] ipv6_add_addr+0x411/0x2000 [ 9378.863338][T12167] inet6_addr_add+0x30e/0xa40 [ 9378.863338][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9378.863338][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9378.863338][T12167] netlink_rcv_skb+0x130/0x360 [ 9378.863338][T12167] netlink_unicast+0x449/0x710 [ 9378.863338][T12167] netlink_sendmsg+0x723/0xbe0 [ 9378.863338][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9378.863338][T12167] ___sys_sendmsg+0xee/0x170 [ 9378.863338][T12167] __sys_sendmsg+0xcd/0x170 [ 9378.863338][T12167] do_syscall_64+0xc6/0x1e0 [ 9378.863338][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9378.863338][T12167] [ 9378.865662][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9378.865662][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9378.865662][T12167] ipv6_find_idev+0x102/0x170 [ 9378.865662][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9378.865662][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9378.865662][T12167] netlink_rcv_skb+0x130/0x360 [ 9378.865662][T12167] netlink_unicast+0x449/0x710 [ 9378.865662][T12167] netlink_sendmsg+0x723/0xbe0 [ 9378.865662][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9378.865662][T12167] ___sys_sendmsg+0xee/0x170 [ 9378.865662][T12167] __sys_sendmsg+0xcd/0x170 [ 9378.865662][T12167] do_syscall_64+0xc6/0x1e0 [ 9378.865662][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9378.865662][T12167] [ 9378.867578][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9378.867578][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9378.867578][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9378.867578][T12167] ipv6_find_idev+0x102/0x170 [ 9378.867578][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9378.867578][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9378.867578][T12167] netlink_rcv_skb+0x130/0x360 [ 9378.867578][T12167] netlink_unicast+0x449/0x710 [ 9378.867578][T12167] netlink_sendmsg+0x723/0xbe0 [ 9378.867578][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9378.867578][T12167] ___sys_sendmsg+0xee/0x170 [ 9378.867578][T12167] __sys_sendmsg+0xcd/0x170 [ 9378.867578][T12167] do_syscall_64+0xc6/0x1e0 [ 9378.867578][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9378.867578][T12167] [ 9388.870811][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9388.871289][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9388.871289][ T10] dst_init+0x84/0x4a0 [ 9388.871289][ T10] dst_alloc+0x97/0x150 [ 9388.871289][ T10] ip6_dst_alloc+0x23/0x90 [ 9388.871289][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9388.871289][ T10] ip6_pol_route+0x56f/0x840 [ 9388.871289][ T10] fib6_rule_lookup+0x334/0x630 [ 9388.871289][ T10] ip6_route_output_flags+0x259/0x480 [ 9388.871289][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9388.871289][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9388.871289][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9388.871289][ T10] ____sys_sendmsg+0x772/0xa10 [ 9388.871289][ T10] ___sys_sendmsg+0xee/0x170 [ 9388.871289][ T10] __sys_sendmsg+0xcd/0x170 [ 9388.871289][ T10] do_syscall_64+0xc6/0x1e0 [ 9388.871289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9388.871289][ T10] [ 9388.873228][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9388.873228][ T10] dst_init+0x84/0x4a0 [ 9388.873228][ T10] dst_alloc+0x97/0x150 [ 9388.873228][ T10] ip6_dst_alloc+0x23/0x90 [ 9388.873228][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9388.873228][ T10] ip6_pol_route+0x56f/0x840 [ 9388.873228][ T10] fib6_rule_lookup+0x334/0x630 [ 9388.873228][ T10] ip6_route_output_flags+0x259/0x480 [ 9388.873228][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9388.873228][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9388.873228][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9388.873228][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9388.873228][ T10] ____sys_sendmsg+0x772/0xa10 [ 9388.873228][ T10] ___sys_sendmsg+0xee/0x170 [ 9388.873228][ T10] __sys_sendmsg+0xcd/0x170 [ 9388.873228][ T10] do_syscall_64+0xc6/0x1e0 [ 9388.873228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9388.873228][ T10] [ 9388.875249][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9388.875249][ T10] dst_init+0x84/0x4a0 [ 9388.875249][ T10] dst_alloc+0x97/0x150 [ 9388.875249][ T10] ip6_dst_alloc+0x23/0x90 [ 9388.875249][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9388.875249][ T10] ip6_pol_route+0x56f/0x840 [ 9388.875249][ T10] fib6_rule_lookup+0x334/0x630 [ 9388.875249][ T10] ip6_route_output_flags+0x259/0x480 [ 9388.875249][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9388.875249][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9388.875249][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9388.875249][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9388.875249][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9388.875249][ T10] ___sys_sendmsg+0xee/0x170 [ 9388.875249][ T10] __sys_sendmsg+0xcd/0x170 [ 9388.875249][ T10] do_syscall_64+0xc6/0x1e0 [ 9388.875249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9388.875249][ T10] [ 9388.877387][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9388.877387][ T10] netdev_get_by_index+0x5e/0x80 [ 9388.877387][ T10] fib6_nh_init+0x3d8/0x1580 [ 9388.877387][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9388.877387][ T10] ip6_route_add+0x1c/0x140 [ 9388.877387][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9388.877387][ T10] inet6_addr_add+0x4f8/0xa40 [ 9388.877387][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9388.877387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9388.877387][ T10] netlink_rcv_skb+0x130/0x360 [ 9388.877387][ T10] netlink_unicast+0x449/0x710 [ 9388.877387][ T10] netlink_sendmsg+0x723/0xbe0 [ 9388.877387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9388.877387][ T10] ___sys_sendmsg+0xee/0x170 [ 9388.877387][ T10] __sys_sendmsg+0xcd/0x170 [ 9388.877387][ T10] do_syscall_64+0xc6/0x1e0 [ 9388.877387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9388.877387][ T10] [ 9388.879410][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9388.879410][ T10] netdev_get_by_index+0x5e/0x80 [ 9388.879410][ T10] fib6_nh_init+0x3d8/0x1580 [ 9388.879410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9388.879410][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9388.879410][ T10] ipv6_add_addr+0x411/0x2000 [ 9388.879410][ T10] inet6_addr_add+0x30e/0xa40 [ 9388.879410][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9388.879410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9388.879410][ T10] netlink_rcv_skb+0x130/0x360 [ 9388.879410][ T10] netlink_unicast+0x449/0x710 [ 9388.879410][ T10] netlink_sendmsg+0x723/0xbe0 [ 9388.879410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9388.879410][ T10] ___sys_sendmsg+0xee/0x170 [ 9388.879410][ T10] __sys_sendmsg+0xcd/0x170 [ 9388.879410][ T10] do_syscall_64+0xc6/0x1e0 [ 9388.879410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9388.879410][ T10] [ 9388.881422][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9388.881422][ T10] netdev_get_by_index+0x5e/0x80 [ 9388.881422][ T10] fib6_nh_init+0x3d8/0x1580 [ 9388.881422][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9388.881422][ T10] ip6_route_add+0x1c/0x140 [ 9388.881422][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9388.881422][ T10] addrconf_add_dev+0xe2/0x170 [ 9388.881422][ T10] inet6_addr_add+0x12f/0xa40 [ 9388.881422][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9388.881422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9388.881422][ T10] netlink_rcv_skb+0x130/0x360 [ 9388.881422][ T10] netlink_unicast+0x449/0x710 [ 9388.881422][ T10] netlink_sendmsg+0x723/0xbe0 [ 9388.881422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9388.881422][ T10] ___sys_sendmsg+0xee/0x170 [ 9388.881422][ T10] __sys_sendmsg+0xcd/0x170 [ 9388.881422][ T10] do_syscall_64+0xc6/0x1e0 [ 9388.881422][ T10] [ 9388.883432][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9388.883432][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9388.883432][ T10] ipv6_find_idev+0x102/0x170 [ 9388.883432][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9388.883432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9388.883432][ T10] netlink_rcv_skb+0x130/0x360 [ 9388.883432][ T10] netlink_unicast+0x449/0x710 [ 9388.883432][ T10] netlink_sendmsg+0x723/0xbe0 [ 9388.883432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9388.883432][ T10] ___sys_sendmsg+0xee/0x170 [ 9388.883432][ T10] __sys_sendmsg+0xcd/0x170 [ 9388.883432][ T10] do_syscall_64+0xc6/0x1e0 [ 9388.883432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9388.883432][ T10] [ 9388.884988][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9388.884988][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9388.884988][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9388.884988][ T10] ipv6_find_idev+0x102/0x170 [ 9388.884988][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9388.884988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9388.884988][ T10] netlink_rcv_skb+0x130/0x360 [ 9388.884988][ T10] netlink_unicast+0x449/0x710 [ 9388.884988][ T10] netlink_sendmsg+0x723/0xbe0 [ 9388.884988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9388.884988][ T10] ___sys_sendmsg+0xee/0x170 [ 9388.884988][ T10] __sys_sendmsg+0xcd/0x170 [ 9388.884988][ T10] do_syscall_64+0xc6/0x1e0 [ 9388.884988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9388.884988][ T10] [ 9389.110888][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9389.111379][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9389.111379][T12167] netdev_get_by_index+0x5e/0x80 [ 9389.111379][T12167] fib6_nh_init+0x3d8/0x1580 [ 9389.111379][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9389.111379][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9389.111379][T12167] ipv6_add_addr+0x411/0x2000 [ 9389.111379][T12167] inet6_addr_add+0x30e/0xa40 [ 9389.111379][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9389.111379][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9389.111379][T12167] netlink_rcv_skb+0x130/0x360 [ 9389.111379][T12167] netlink_unicast+0x449/0x710 [ 9389.111379][T12167] netlink_sendmsg+0x723/0xbe0 [ 9389.111379][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9389.111379][T12167] ___sys_sendmsg+0xee/0x170 [ 9389.111379][T12167] __sys_sendmsg+0xcd/0x170 [ 9389.111379][T12167] do_syscall_64+0xc6/0x1e0 [ 9389.111379][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9389.111379][T12167] [ 9389.113685][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9389.113685][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9389.113685][T12167] ipv6_find_idev+0x102/0x170 [ 9389.113685][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9389.113685][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9389.113685][T12167] netlink_rcv_skb+0x130/0x360 [ 9389.113685][T12167] netlink_unicast+0x449/0x710 [ 9389.113685][T12167] netlink_sendmsg+0x723/0xbe0 [ 9389.113685][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9389.113685][T12167] ___sys_sendmsg+0xee/0x170 [ 9389.113685][T12167] __sys_sendmsg+0xcd/0x170 [ 9389.113685][T12167] do_syscall_64+0xc6/0x1e0 [ 9389.113685][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9389.113685][T12167] [ 9389.115435][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9389.115435][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9389.115435][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9389.115435][T12167] ipv6_find_idev+0x102/0x170 [ 9389.115435][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9389.115435][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9389.115435][T12167] netlink_rcv_skb+0x130/0x360 [ 9389.115435][T12167] netlink_unicast+0x449/0x710 [ 9389.115435][T12167] netlink_sendmsg+0x723/0xbe0 [ 9389.115435][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9389.115435][T12167] ___sys_sendmsg+0xee/0x170 [ 9389.115435][T12167] __sys_sendmsg+0xcd/0x170 [ 9389.115435][T12167] do_syscall_64+0xc6/0x1e0 [ 9389.115435][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9389.115435][T12167] [ 9399.134880][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9399.135292][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9399.135292][ T10] dst_init+0x84/0x4a0 [ 9399.135292][ T10] dst_alloc+0x97/0x150 [ 9399.135292][ T10] ip6_dst_alloc+0x23/0x90 [ 9399.135292][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9399.135292][ T10] ip6_pol_route+0x56f/0x840 [ 9399.135292][ T10] fib6_rule_lookup+0x334/0x630 [ 9399.135292][ T10] ip6_route_output_flags+0x259/0x480 [ 9399.135292][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9399.135292][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9399.135292][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9399.135292][ T10] ____sys_sendmsg+0x772/0xa10 [ 9399.135292][ T10] ___sys_sendmsg+0xee/0x170 [ 9399.135292][ T10] __sys_sendmsg+0xcd/0x170 [ 9399.135292][ T10] do_syscall_64+0xc6/0x1e0 [ 9399.135292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9399.135292][ T10] [ 9399.137222][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9399.137222][ T10] dst_init+0x84/0x4a0 [ 9399.137222][ T10] dst_alloc+0x97/0x150 [ 9399.137222][ T10] ip6_dst_alloc+0x23/0x90 [ 9399.137222][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9399.137222][ T10] ip6_pol_route+0x56f/0x840 [ 9399.137222][ T10] fib6_rule_lookup+0x334/0x630 [ 9399.137222][ T10] ip6_route_output_flags+0x259/0x480 [ 9399.137222][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9399.137222][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9399.137222][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9399.137222][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9399.137222][ T10] ____sys_sendmsg+0x772/0xa10 [ 9399.137222][ T10] ___sys_sendmsg+0xee/0x170 [ 9399.137222][ T10] __sys_sendmsg+0xcd/0x170 [ 9399.137222][ T10] do_syscall_64+0xc6/0x1e0 [ 9399.137222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9399.137222][ T10] [ 9399.139242][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9399.139242][ T10] dst_init+0x84/0x4a0 [ 9399.139242][ T10] dst_alloc+0x97/0x150 [ 9399.139242][ T10] ip6_dst_alloc+0x23/0x90 [ 9399.139242][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9399.139242][ T10] ip6_pol_route+0x56f/0x840 [ 9399.139242][ T10] fib6_rule_lookup+0x334/0x630 [ 9399.139242][ T10] ip6_route_output_flags+0x259/0x480 [ 9399.139242][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9399.139242][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9399.139242][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9399.139242][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9399.139242][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9399.139242][ T10] ___sys_sendmsg+0xee/0x170 [ 9399.139242][ T10] __sys_sendmsg+0xcd/0x170 [ 9399.139242][ T10] do_syscall_64+0xc6/0x1e0 [ 9399.139242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9399.139242][ T10] [ 9399.141269][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9399.141269][ T10] netdev_get_by_index+0x5e/0x80 [ 9399.141269][ T10] fib6_nh_init+0x3d8/0x1580 [ 9399.141269][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9399.141269][ T10] ip6_route_add+0x1c/0x140 [ 9399.141269][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9399.141269][ T10] inet6_addr_add+0x4f8/0xa40 [ 9399.141269][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9399.141269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9399.141269][ T10] netlink_rcv_skb+0x130/0x360 [ 9399.141269][ T10] netlink_unicast+0x449/0x710 [ 9399.141269][ T10] netlink_sendmsg+0x723/0xbe0 [ 9399.141269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9399.141269][ T10] ___sys_sendmsg+0xee/0x170 [ 9399.141269][ T10] __sys_sendmsg+0xcd/0x170 [ 9399.141269][ T10] do_syscall_64+0xc6/0x1e0 [ 9399.141269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9399.141269][ T10] [ 9399.143385][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9399.143385][ T10] netdev_get_by_index+0x5e/0x80 [ 9399.143385][ T10] fib6_nh_init+0x3d8/0x1580 [ 9399.143385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9399.143385][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9399.143385][ T10] ipv6_add_addr+0x411/0x2000 [ 9399.143385][ T10] inet6_addr_add+0x30e/0xa40 [ 9399.143385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9399.143385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9399.143385][ T10] netlink_rcv_skb+0x130/0x360 [ 9399.143385][ T10] netlink_unicast+0x449/0x710 [ 9399.143385][ T10] netlink_sendmsg+0x723/0xbe0 [ 9399.143385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9399.143385][ T10] ___sys_sendmsg+0xee/0x170 [ 9399.143385][ T10] __sys_sendmsg+0xcd/0x170 [ 9399.143385][ T10] do_syscall_64+0xc6/0x1e0 [ 9399.143385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9399.143385][ T10] [ 9399.145390][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9399.145390][ T10] netdev_get_by_index+0x5e/0x80 [ 9399.145390][ T10] fib6_nh_init+0x3d8/0x1580 [ 9399.145390][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9399.145390][ T10] ip6_route_add+0x1c/0x140 [ 9399.145390][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9399.145390][ T10] addrconf_add_dev+0xe2/0x170 [ 9399.145390][ T10] inet6_addr_add+0x12f/0xa40 [ 9399.145390][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9399.145390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9399.145390][ T10] netlink_rcv_skb+0x130/0x360 [ 9399.145390][ T10] netlink_unicast+0x449/0x710 [ 9399.145390][ T10] netlink_sendmsg+0x723/0xbe0 [ 9399.145390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9399.145390][ T10] ___sys_sendmsg+0xee/0x170 [ 9399.145390][ T10] __sys_sendmsg+0xcd/0x170 [ 9399.145390][ T10] do_syscall_64+0xc6/0x1e0 [ 9399.145390][ T10] [ 9399.147396][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9399.147396][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9399.147396][ T10] ipv6_find_idev+0x102/0x170 [ 9399.147396][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9399.147396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9399.147396][ T10] netlink_rcv_skb+0x130/0x360 [ 9399.147396][ T10] netlink_unicast+0x449/0x710 [ 9399.147396][ T10] netlink_sendmsg+0x723/0xbe0 [ 9399.147396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9399.147396][ T10] ___sys_sendmsg+0xee/0x170 [ 9399.147396][ T10] __sys_sendmsg+0xcd/0x170 [ 9399.147396][ T10] do_syscall_64+0xc6/0x1e0 [ 9399.147396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9399.147396][ T10] [ 9399.148940][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9399.148940][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9399.148940][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9399.148940][ T10] ipv6_find_idev+0x102/0x170 [ 9399.148940][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9399.148940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9399.148940][ T10] netlink_rcv_skb+0x130/0x360 [ 9399.148940][ T10] netlink_unicast+0x449/0x710 [ 9399.148940][ T10] netlink_sendmsg+0x723/0xbe0 [ 9399.148940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9399.148940][ T10] ___sys_sendmsg+0xee/0x170 [ 9399.148940][ T10] __sys_sendmsg+0xcd/0x170 [ 9399.148940][ T10] do_syscall_64+0xc6/0x1e0 [ 9399.148940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9399.148940][ T10] [ 9399.366895][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9399.367355][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9399.367355][T12167] netdev_get_by_index+0x5e/0x80 [ 9399.367355][T12167] fib6_nh_init+0x3d8/0x1580 [ 9399.367355][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9399.367355][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9399.367355][T12167] ipv6_add_addr+0x411/0x2000 [ 9399.367355][T12167] inet6_addr_add+0x30e/0xa40 [ 9399.367355][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9399.367355][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9399.367355][T12167] netlink_rcv_skb+0x130/0x360 [ 9399.367355][T12167] netlink_unicast+0x449/0x710 [ 9399.367355][T12167] netlink_sendmsg+0x723/0xbe0 [ 9399.367355][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9399.367355][T12167] ___sys_sendmsg+0xee/0x170 [ 9399.367355][T12167] __sys_sendmsg+0xcd/0x170 [ 9399.367355][T12167] do_syscall_64+0xc6/0x1e0 [ 9399.367355][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9399.367355][T12167] [ 9399.369657][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9399.369657][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9399.369657][T12167] ipv6_find_idev+0x102/0x170 [ 9399.369657][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9399.369657][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9399.369657][T12167] netlink_rcv_skb+0x130/0x360 [ 9399.369657][T12167] netlink_unicast+0x449/0x710 [ 9399.369657][T12167] netlink_sendmsg+0x723/0xbe0 [ 9399.369657][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9399.369657][T12167] ___sys_sendmsg+0xee/0x170 [ 9399.369657][T12167] __sys_sendmsg+0xcd/0x170 [ 9399.369657][T12167] do_syscall_64+0xc6/0x1e0 [ 9399.369657][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9399.369657][T12167] [ 9399.371407][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9399.371407][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9399.371407][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9399.371407][T12167] ipv6_find_idev+0x102/0x170 [ 9399.371407][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9399.371407][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9399.371407][T12167] netlink_rcv_skb+0x130/0x360 [ 9399.371407][T12167] netlink_unicast+0x449/0x710 [ 9399.371407][T12167] netlink_sendmsg+0x723/0xbe0 [ 9399.371407][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9399.371407][T12167] ___sys_sendmsg+0xee/0x170 [ 9399.371407][T12167] __sys_sendmsg+0xcd/0x170 [ 9399.371407][T12167] do_syscall_64+0xc6/0x1e0 [ 9399.371407][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9399.371407][T12167] [ 9409.398835][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9409.399302][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9409.399302][ T10] dst_init+0x84/0x4a0 [ 9409.399302][ T10] dst_alloc+0x97/0x150 [ 9409.399302][ T10] ip6_dst_alloc+0x23/0x90 [ 9409.399302][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9409.399302][ T10] ip6_pol_route+0x56f/0x840 [ 9409.399302][ T10] fib6_rule_lookup+0x334/0x630 [ 9409.399302][ T10] ip6_route_output_flags+0x259/0x480 [ 9409.399302][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9409.399302][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9409.399302][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9409.399302][ T10] ____sys_sendmsg+0x772/0xa10 [ 9409.399302][ T10] ___sys_sendmsg+0xee/0x170 [ 9409.399302][ T10] __sys_sendmsg+0xcd/0x170 [ 9409.399302][ T10] do_syscall_64+0xc6/0x1e0 [ 9409.399302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9409.399302][ T10] [ 9409.401217][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9409.401217][ T10] dst_init+0x84/0x4a0 [ 9409.401217][ T10] dst_alloc+0x97/0x150 [ 9409.401217][ T10] ip6_dst_alloc+0x23/0x90 [ 9409.401217][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9409.401217][ T10] ip6_pol_route+0x56f/0x840 [ 9409.401217][ T10] fib6_rule_lookup+0x334/0x630 [ 9409.401217][ T10] ip6_route_output_flags+0x259/0x480 [ 9409.401217][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9409.401217][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9409.401217][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9409.401217][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9409.401217][ T10] ____sys_sendmsg+0x772/0xa10 [ 9409.401217][ T10] ___sys_sendmsg+0xee/0x170 [ 9409.401217][ T10] __sys_sendmsg+0xcd/0x170 [ 9409.401217][ T10] do_syscall_64+0xc6/0x1e0 [ 9409.401217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9409.401217][ T10] [ 9409.403238][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9409.403238][ T10] dst_init+0x84/0x4a0 [ 9409.403238][ T10] dst_alloc+0x97/0x150 [ 9409.403238][ T10] ip6_dst_alloc+0x23/0x90 [ 9409.403238][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9409.403238][ T10] ip6_pol_route+0x56f/0x840 [ 9409.403238][ T10] fib6_rule_lookup+0x334/0x630 [ 9409.403238][ T10] ip6_route_output_flags+0x259/0x480 [ 9409.403238][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9409.403238][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9409.403238][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9409.403238][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9409.403238][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9409.403238][ T10] ___sys_sendmsg+0xee/0x170 [ 9409.403238][ T10] __sys_sendmsg+0xcd/0x170 [ 9409.403238][ T10] do_syscall_64+0xc6/0x1e0 [ 9409.403238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9409.403238][ T10] [ 9409.405247][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9409.405247][ T10] netdev_get_by_index+0x5e/0x80 [ 9409.405247][ T10] fib6_nh_init+0x3d8/0x1580 [ 9409.405247][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9409.405247][ T10] ip6_route_add+0x1c/0x140 [ 9409.405247][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9409.405247][ T10] inet6_addr_add+0x4f8/0xa40 [ 9409.405247][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9409.405247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9409.405247][ T10] netlink_rcv_skb+0x130/0x360 [ 9409.405247][ T10] netlink_unicast+0x449/0x710 [ 9409.405247][ T10] netlink_sendmsg+0x723/0xbe0 [ 9409.405247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9409.405247][ T10] ___sys_sendmsg+0xee/0x170 [ 9409.405247][ T10] __sys_sendmsg+0xcd/0x170 [ 9409.405247][ T10] do_syscall_64+0xc6/0x1e0 [ 9409.405247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9409.405247][ T10] [ 9409.406722][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9409.407238][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9409.407238][ T10] netdev_get_by_index+0x5e/0x80 [ 9409.407238][ T10] fib6_nh_init+0x3d8/0x1580 [ 9409.407238][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9409.407238][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9409.407238][ T10] ipv6_add_addr+0x411/0x2000 [ 9409.407238][ T10] inet6_addr_add+0x30e/0xa40 [ 9409.407238][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9409.407238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9409.407238][ T10] netlink_rcv_skb+0x130/0x360 [ 9409.407238][ T10] netlink_unicast+0x449/0x710 [ 9409.407238][ T10] netlink_sendmsg+0x723/0xbe0 [ 9409.407238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9409.407238][ T10] ___sys_sendmsg+0xee/0x170 [ 9409.407238][ T10] __sys_sendmsg+0xcd/0x170 [ 9409.407238][ T10] do_syscall_64+0xc6/0x1e0 [ 9409.407238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9409.407238][ T10] [ 9409.407569][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9409.407569][T12167] netdev_get_by_index+0x5e/0x80 [ 9409.407569][T12167] fib6_nh_init+0x3d8/0x1580 [ 9409.407569][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9409.407569][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9409.407569][T12167] ipv6_add_addr+0x411/0x2000 [ 9409.407569][T12167] inet6_addr_add+0x30e/0xa40 [ 9409.407569][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9409.407569][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9409.407569][T12167] netlink_rcv_skb+0x130/0x360 [ 9409.407569][T12167] netlink_unicast+0x449/0x710 [ 9409.407569][T12167] netlink_sendmsg+0x723/0xbe0 [ 9409.407569][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9409.407569][T12167] ___sys_sendmsg+0xee/0x170 [ 9409.407569][T12167] __sys_sendmsg+0xcd/0x170 [ 9409.407569][T12167] do_syscall_64+0xc6/0x1e0 [ 9409.407569][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9409.407569][T12167] [ 9409.409486][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9409.409486][ T10] netdev_get_by_index+0x5e/0x80 [ 9409.409486][ T10] fib6_nh_init+0x3d8/0x1580 [ 9409.409486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9409.409486][ T10] ip6_route_add+0x1c/0x140 [ 9409.409486][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9409.409486][ T10] addrconf_add_dev+0xe2/0x170 [ 9409.409486][ T10] inet6_addr_add+0x12f/0xa40 [ 9409.409486][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9409.409486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9409.409486][ T10] netlink_rcv_skb+0x130/0x360 [ 9409.409486][ T10] netlink_unicast+0x449/0x710 [ 9409.409486][ T10] netlink_sendmsg+0x723/0xbe0 [ 9409.409486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9409.409486][ T10] ___sys_sendmsg+0xee/0x170 [ 9409.409486][ T10] __sys_sendmsg+0xcd/0x170 [ 9409.409486][ T10] do_syscall_64+0xc6/0x1e0 [ 9409.409486][ T10] [ 9409.411766][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9409.411766][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9409.411766][T12167] ipv6_find_idev+0x102/0x170 [ 9409.411766][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9409.411766][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9409.411766][T12167] netlink_rcv_skb+0x130/0x360 [ 9409.411766][T12167] netlink_unicast+0x449/0x710 [ 9409.411766][T12167] netlink_sendmsg+0x723/0xbe0 [ 9409.411766][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9409.411766][T12167] ___sys_sendmsg+0xee/0x170 [ 9409.411766][T12167] __sys_sendmsg+0xcd/0x170 [ 9409.411766][T12167] do_syscall_64+0xc6/0x1e0 [ 9409.411766][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9409.411766][T12167] [ 9409.413716][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9409.413716][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9409.413716][ T10] ipv6_find_idev+0x102/0x170 [ 9409.413716][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9409.413716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9409.413716][ T10] netlink_rcv_skb+0x130/0x360 [ 9409.413716][ T10] netlink_unicast+0x449/0x710 [ 9409.413716][ T10] netlink_sendmsg+0x723/0xbe0 [ 9409.413716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9409.413716][ T10] ___sys_sendmsg+0xee/0x170 [ 9409.413716][ T10] __sys_sendmsg+0xcd/0x170 [ 9409.413716][ T10] do_syscall_64+0xc6/0x1e0 [ 9409.413716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9409.413716][ T10] [ 9409.415456][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9409.415456][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9409.415456][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9409.415456][T12167] ipv6_find_idev+0x102/0x170 [ 9409.415456][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9409.415456][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9409.415456][T12167] netlink_rcv_skb+0x130/0x360 [ 9409.415456][T12167] netlink_unicast+0x449/0x710 [ 9409.415456][T12167] netlink_sendmsg+0x723/0xbe0 [ 9409.415456][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9409.415456][T12167] ___sys_sendmsg+0xee/0x170 [ 9409.415456][T12167] __sys_sendmsg+0xcd/0x170 [ 9409.415456][T12167] do_syscall_64+0xc6/0x1e0 [ 9409.415456][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9409.415456][T12167] [ 9409.416977][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9409.416977][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9409.416977][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9409.416977][ T10] ipv6_find_idev+0x102/0x170 [ 9409.416977][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9409.416977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9409.416977][ T10] netlink_rcv_skb+0x130/0x360 [ 9409.416977][ T10] netlink_unicast+0x449/0x710 [ 9409.416977][ T10] netlink_sendmsg+0x723/0xbe0 [ 9409.416977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9409.416977][ T10] ___sys_sendmsg+0xee/0x170 [ 9409.416977][ T10] __sys_sendmsg+0xcd/0x170 [ 9409.416977][ T10] do_syscall_64+0xc6/0x1e0 [ 9409.416977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9409.416977][ T10] [ 9419.662748][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9419.663268][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9419.663268][T12167] netdev_get_by_index+0x5e/0x80 [ 9419.663268][T12167] fib6_nh_init+0x3d8/0x1580 [ 9419.663268][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9419.663268][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9419.663268][T12167] ipv6_add_addr+0x411/0x2000 [ 9419.663268][T12167] inet6_addr_add+0x30e/0xa40 [ 9419.663268][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9419.663268][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9419.663268][T12167] netlink_rcv_skb+0x130/0x360 [ 9419.663268][T12167] netlink_unicast+0x449/0x710 [ 9419.663268][T12167] netlink_sendmsg+0x723/0xbe0 [ 9419.663268][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9419.663268][T12167] ___sys_sendmsg+0xee/0x170 [ 9419.663268][T12167] __sys_sendmsg+0xcd/0x170 [ 9419.663268][T12167] do_syscall_64+0xc6/0x1e0 [ 9419.663268][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9419.663268][T12167] [ 9419.665545][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9419.665545][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9419.665545][T12167] ipv6_find_idev+0x102/0x170 [ 9419.665545][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9419.665545][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9419.665545][T12167] netlink_rcv_skb+0x130/0x360 [ 9419.665545][T12167] netlink_unicast+0x449/0x710 [ 9419.665545][T12167] netlink_sendmsg+0x723/0xbe0 [ 9419.665545][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9419.665545][T12167] ___sys_sendmsg+0xee/0x170 [ 9419.665545][T12167] __sys_sendmsg+0xcd/0x170 [ 9419.665545][T12167] do_syscall_64+0xc6/0x1e0 [ 9419.665545][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9419.665545][T12167] [ 9419.667281][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9419.667281][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9419.667281][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9419.667281][T12167] ipv6_find_idev+0x102/0x170 [ 9419.667281][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9419.667281][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9419.667281][T12167] netlink_rcv_skb+0x130/0x360 [ 9419.667281][T12167] netlink_unicast+0x449/0x710 [ 9419.667281][T12167] netlink_sendmsg+0x723/0xbe0 [ 9419.667281][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9419.667281][T12167] ___sys_sendmsg+0xee/0x170 [ 9419.667281][T12167] __sys_sendmsg+0xcd/0x170 [ 9419.667281][T12167] do_syscall_64+0xc6/0x1e0 [ 9419.667281][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9419.667281][T12167] [ 9419.670743][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9419.671194][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9419.671194][ T10] dst_init+0x84/0x4a0 [ 9419.671194][ T10] dst_alloc+0x97/0x150 [ 9419.671194][ T10] ip6_dst_alloc+0x23/0x90 [ 9419.671194][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9419.671194][ T10] ip6_pol_route+0x56f/0x840 [ 9419.671194][ T10] fib6_rule_lookup+0x334/0x630 [ 9419.671194][ T10] ip6_route_output_flags+0x259/0x480 [ 9419.671194][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9419.671194][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9419.671194][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9419.671194][ T10] ____sys_sendmsg+0x772/0xa10 [ 9419.671194][ T10] ___sys_sendmsg+0xee/0x170 [ 9419.671194][ T10] __sys_sendmsg+0xcd/0x170 [ 9419.671194][ T10] do_syscall_64+0xc6/0x1e0 [ 9419.671194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9419.671194][ T10] [ 9419.673328][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9419.673328][ T10] dst_init+0x84/0x4a0 [ 9419.673328][ T10] dst_alloc+0x97/0x150 [ 9419.673328][ T10] ip6_dst_alloc+0x23/0x90 [ 9419.673328][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9419.673328][ T10] ip6_pol_route+0x56f/0x840 [ 9419.673328][ T10] fib6_rule_lookup+0x334/0x630 [ 9419.673328][ T10] ip6_route_output_flags+0x259/0x480 [ 9419.673328][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9419.673328][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9419.673328][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9419.673328][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9419.673328][ T10] ____sys_sendmsg+0x772/0xa10 [ 9419.673328][ T10] ___sys_sendmsg+0xee/0x170 [ 9419.673328][ T10] __sys_sendmsg+0xcd/0x170 [ 9419.673328][ T10] do_syscall_64+0xc6/0x1e0 [ 9419.673328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9419.673328][ T10] [ 9419.675565][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9419.675565][ T10] dst_init+0x84/0x4a0 [ 9419.675565][ T10] dst_alloc+0x97/0x150 [ 9419.675565][ T10] ip6_dst_alloc+0x23/0x90 [ 9419.675565][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9419.675565][ T10] ip6_pol_route+0x56f/0x840 [ 9419.675565][ T10] fib6_rule_lookup+0x334/0x630 [ 9419.675565][ T10] ip6_route_output_flags+0x259/0x480 [ 9419.675565][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9419.675565][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9419.675565][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9419.675565][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9419.675565][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9419.675565][ T10] ___sys_sendmsg+0xee/0x170 [ 9419.675565][ T10] __sys_sendmsg+0xcd/0x170 [ 9419.675565][ T10] do_syscall_64+0xc6/0x1e0 [ 9419.675565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9419.675565][ T10] [ 9419.677811][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9419.677811][ T10] netdev_get_by_index+0x5e/0x80 [ 9419.677811][ T10] fib6_nh_init+0x3d8/0x1580 [ 9419.677811][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9419.677811][ T10] ip6_route_add+0x1c/0x140 [ 9419.677811][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9419.677811][ T10] inet6_addr_add+0x4f8/0xa40 [ 9419.677811][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9419.677811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9419.677811][ T10] netlink_rcv_skb+0x130/0x360 [ 9419.677811][ T10] netlink_unicast+0x449/0x710 [ 9419.677811][ T10] netlink_sendmsg+0x723/0xbe0 [ 9419.677811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9419.677811][ T10] ___sys_sendmsg+0xee/0x170 [ 9419.677811][ T10] __sys_sendmsg+0xcd/0x170 [ 9419.677811][ T10] do_syscall_64+0xc6/0x1e0 [ 9419.677811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9419.677811][ T10] [ 9419.680046][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9419.680046][ T10] netdev_get_by_index+0x5e/0x80 [ 9419.680046][ T10] fib6_nh_init+0x3d8/0x1580 [ 9419.680046][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9419.680046][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9419.680046][ T10] ipv6_add_addr+0x411/0x2000 [ 9419.680046][ T10] inet6_addr_add+0x30e/0xa40 [ 9419.680046][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9419.680046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9419.680046][ T10] netlink_rcv_skb+0x130/0x360 [ 9419.680046][ T10] netlink_unicast+0x449/0x710 [ 9419.680046][ T10] netlink_sendmsg+0x723/0xbe0 [ 9419.680046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9419.680046][ T10] ___sys_sendmsg+0xee/0x170 [ 9419.680046][ T10] __sys_sendmsg+0xcd/0x170 [ 9419.680046][ T10] do_syscall_64+0xc6/0x1e0 [ 9419.680046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9419.680046][ T10] [ 9419.682282][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9419.682282][ T10] netdev_get_by_index+0x5e/0x80 [ 9419.682282][ T10] fib6_nh_init+0x3d8/0x1580 [ 9419.682282][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9419.682282][ T10] ip6_route_add+0x1c/0x140 [ 9419.682282][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9419.682282][ T10] addrconf_add_dev+0xe2/0x170 [ 9419.682282][ T10] inet6_addr_add+0x12f/0xa40 [ 9419.682282][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9419.682282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9419.682282][ T10] netlink_rcv_skb+0x130/0x360 [ 9419.682282][ T10] netlink_unicast+0x449/0x710 [ 9419.682282][ T10] netlink_sendmsg+0x723/0xbe0 [ 9419.682282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9419.682282][ T10] ___sys_sendmsg+0xee/0x170 [ 9419.682282][ T10] __sys_sendmsg+0xcd/0x170 [ 9419.682282][ T10] do_syscall_64+0xc6/0x1e0 [ 9419.682282][ T10] [ 9419.684467][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9419.684467][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9419.684467][ T10] ipv6_find_idev+0x102/0x170 [ 9419.684467][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9419.684467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9419.684467][ T10] netlink_rcv_skb+0x130/0x360 [ 9419.684467][ T10] netlink_unicast+0x449/0x710 [ 9419.684467][ T10] netlink_sendmsg+0x723/0xbe0 [ 9419.684467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9419.684467][ T10] ___sys_sendmsg+0xee/0x170 [ 9419.684467][ T10] __sys_sendmsg+0xcd/0x170 [ 9419.684467][ T10] do_syscall_64+0xc6/0x1e0 [ 9419.684467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9419.684467][ T10] [ 9419.686178][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9419.686178][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9419.686178][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9419.686178][ T10] ipv6_find_idev+0x102/0x170 [ 9419.686178][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9419.686178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9419.686178][ T10] netlink_rcv_skb+0x130/0x360 [ 9419.686178][ T10] netlink_unicast+0x449/0x710 [ 9419.686178][ T10] netlink_sendmsg+0x723/0xbe0 [ 9419.686178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9419.686178][ T10] ___sys_sendmsg+0xee/0x170 [ 9419.686178][ T10] __sys_sendmsg+0xcd/0x170 [ 9419.686178][ T10] do_syscall_64+0xc6/0x1e0 [ 9419.686178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9419.686178][ T10] [ 9429.758806][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9429.759254][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9429.759254][T12167] netdev_get_by_index+0x5e/0x80 [ 9429.759254][T12167] fib6_nh_init+0x3d8/0x1580 [ 9429.759254][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9429.759254][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9429.759254][T12167] ipv6_add_addr+0x411/0x2000 [ 9429.759254][T12167] inet6_addr_add+0x30e/0xa40 [ 9429.759254][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9429.759254][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9429.759254][T12167] netlink_rcv_skb+0x130/0x360 [ 9429.759254][T12167] netlink_unicast+0x449/0x710 [ 9429.759254][T12167] netlink_sendmsg+0x723/0xbe0 [ 9429.759254][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9429.759254][T12167] ___sys_sendmsg+0xee/0x170 [ 9429.759254][T12167] __sys_sendmsg+0xcd/0x170 [ 9429.759254][T12167] do_syscall_64+0xc6/0x1e0 [ 9429.759254][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9429.759254][T12167] [ 9429.761531][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9429.761531][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9429.761531][T12167] ipv6_find_idev+0x102/0x170 [ 9429.761531][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9429.761531][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9429.761531][T12167] netlink_rcv_skb+0x130/0x360 [ 9429.761531][T12167] netlink_unicast+0x449/0x710 [ 9429.761531][T12167] netlink_sendmsg+0x723/0xbe0 [ 9429.761531][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9429.761531][T12167] ___sys_sendmsg+0xee/0x170 [ 9429.761531][T12167] __sys_sendmsg+0xcd/0x170 [ 9429.761531][T12167] do_syscall_64+0xc6/0x1e0 [ 9429.761531][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9429.761531][T12167] [ 9429.763268][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9429.763268][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9429.763268][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9429.763268][T12167] ipv6_find_idev+0x102/0x170 [ 9429.763268][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9429.763268][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9429.763268][T12167] netlink_rcv_skb+0x130/0x360 [ 9429.763268][T12167] netlink_unicast+0x449/0x710 [ 9429.763268][T12167] netlink_sendmsg+0x723/0xbe0 [ 9429.763268][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9429.763268][T12167] ___sys_sendmsg+0xee/0x170 [ 9429.763268][T12167] __sys_sendmsg+0xcd/0x170 [ 9429.763268][T12167] do_syscall_64+0xc6/0x1e0 [ 9429.763268][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9429.763268][T12167] [ 9429.766843][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9429.767180][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9429.767180][ T10] dst_init+0x84/0x4a0 [ 9429.767180][ T10] dst_alloc+0x97/0x150 [ 9429.767180][ T10] ip6_dst_alloc+0x23/0x90 [ 9429.767180][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9429.767180][ T10] ip6_pol_route+0x56f/0x840 [ 9429.767180][ T10] fib6_rule_lookup+0x334/0x630 [ 9429.767180][ T10] ip6_route_output_flags+0x259/0x480 [ 9429.767180][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9429.767180][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9429.767180][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9429.767180][ T10] ____sys_sendmsg+0x772/0xa10 [ 9429.767180][ T10] ___sys_sendmsg+0xee/0x170 [ 9429.767180][ T10] __sys_sendmsg+0xcd/0x170 [ 9429.767180][ T10] do_syscall_64+0xc6/0x1e0 [ 9429.767180][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9429.767180][ T10] [ 9429.769095][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9429.769095][ T10] dst_init+0x84/0x4a0 [ 9429.769095][ T10] dst_alloc+0x97/0x150 [ 9429.769095][ T10] ip6_dst_alloc+0x23/0x90 [ 9429.769095][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9429.769095][ T10] ip6_pol_route+0x56f/0x840 [ 9429.769095][ T10] fib6_rule_lookup+0x334/0x630 [ 9429.769095][ T10] ip6_route_output_flags+0x259/0x480 [ 9429.769095][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9429.769095][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9429.769095][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9429.769095][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9429.769095][ T10] ____sys_sendmsg+0x772/0xa10 [ 9429.769095][ T10] ___sys_sendmsg+0xee/0x170 [ 9429.769095][ T10] __sys_sendmsg+0xcd/0x170 [ 9429.769095][ T10] do_syscall_64+0xc6/0x1e0 [ 9429.769095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9429.769095][ T10] [ 9429.771098][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9429.771098][ T10] dst_init+0x84/0x4a0 [ 9429.771098][ T10] dst_alloc+0x97/0x150 [ 9429.771098][ T10] ip6_dst_alloc+0x23/0x90 [ 9429.771098][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9429.771098][ T10] ip6_pol_route+0x56f/0x840 [ 9429.771098][ T10] fib6_rule_lookup+0x334/0x630 [ 9429.771098][ T10] ip6_route_output_flags+0x259/0x480 [ 9429.771098][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9429.771098][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9429.771098][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9429.771098][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9429.771098][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9429.771098][ T10] ___sys_sendmsg+0xee/0x170 [ 9429.771098][ T10] __sys_sendmsg+0xcd/0x170 [ 9429.771098][ T10] do_syscall_64+0xc6/0x1e0 [ 9429.771098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9429.771098][ T10] [ 9429.773119][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9429.773119][ T10] netdev_get_by_index+0x5e/0x80 [ 9429.773119][ T10] fib6_nh_init+0x3d8/0x1580 [ 9429.773119][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9429.773119][ T10] ip6_route_add+0x1c/0x140 [ 9429.773119][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9429.773119][ T10] inet6_addr_add+0x4f8/0xa40 [ 9429.773119][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9429.773119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9429.773119][ T10] netlink_rcv_skb+0x130/0x360 [ 9429.773119][ T10] netlink_unicast+0x449/0x710 [ 9429.773119][ T10] netlink_sendmsg+0x723/0xbe0 [ 9429.773119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9429.773119][ T10] ___sys_sendmsg+0xee/0x170 [ 9429.773119][ T10] __sys_sendmsg+0xcd/0x170 [ 9429.773119][ T10] do_syscall_64+0xc6/0x1e0 [ 9429.773119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9429.773119][ T10] [ 9429.775122][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9429.775122][ T10] netdev_get_by_index+0x5e/0x80 [ 9429.775122][ T10] fib6_nh_init+0x3d8/0x1580 [ 9429.775122][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9429.775122][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9429.775122][ T10] ipv6_add_addr+0x411/0x2000 [ 9429.775122][ T10] inet6_addr_add+0x30e/0xa40 [ 9429.775122][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9429.775122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9429.775122][ T10] netlink_rcv_skb+0x130/0x360 [ 9429.775122][ T10] netlink_unicast+0x449/0x710 [ 9429.775122][ T10] netlink_sendmsg+0x723/0xbe0 [ 9429.775122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9429.775122][ T10] ___sys_sendmsg+0xee/0x170 [ 9429.775122][ T10] __sys_sendmsg+0xcd/0x170 [ 9429.775122][ T10] do_syscall_64+0xc6/0x1e0 [ 9429.775122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9429.775122][ T10] [ 9429.777127][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9429.777127][ T10] netdev_get_by_index+0x5e/0x80 [ 9429.777127][ T10] fib6_nh_init+0x3d8/0x1580 [ 9429.777127][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9429.777127][ T10] ip6_route_add+0x1c/0x140 [ 9429.777127][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9429.777127][ T10] addrconf_add_dev+0xe2/0x170 [ 9429.777127][ T10] inet6_addr_add+0x12f/0xa40 [ 9429.777127][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9429.777127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9429.777127][ T10] netlink_rcv_skb+0x130/0x360 [ 9429.777127][ T10] netlink_unicast+0x449/0x710 [ 9429.777127][ T10] netlink_sendmsg+0x723/0xbe0 [ 9429.777127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9429.777127][ T10] ___sys_sendmsg+0xee/0x170 [ 9429.777127][ T10] __sys_sendmsg+0xcd/0x170 [ 9429.777127][ T10] do_syscall_64+0xc6/0x1e0 [ 9429.777127][ T10] [ 9429.779092][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9429.779092][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9429.779092][ T10] ipv6_find_idev+0x102/0x170 [ 9429.779092][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9429.779092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9429.779092][ T10] netlink_rcv_skb+0x130/0x360 [ 9429.779092][ T10] netlink_unicast+0x449/0x710 [ 9429.779092][ T10] netlink_sendmsg+0x723/0xbe0 [ 9429.779092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9429.779092][ T10] ___sys_sendmsg+0xee/0x170 [ 9429.779092][ T10] __sys_sendmsg+0xcd/0x170 [ 9429.779092][ T10] do_syscall_64+0xc6/0x1e0 [ 9429.779092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9429.779092][ T10] [ 9429.780639][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9429.780639][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9429.780639][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9429.780639][ T10] ipv6_find_idev+0x102/0x170 [ 9429.780639][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9429.780639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9429.780639][ T10] netlink_rcv_skb+0x130/0x360 [ 9429.780639][ T10] netlink_unicast+0x449/0x710 [ 9429.780639][ T10] netlink_sendmsg+0x723/0xbe0 [ 9429.780639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9429.780639][ T10] ___sys_sendmsg+0xee/0x170 [ 9429.780639][ T10] __sys_sendmsg+0xcd/0x170 [ 9429.780639][ T10] do_syscall_64+0xc6/0x1e0 [ 9429.780639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9429.780639][ T10] [ 9439.766811][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9439.767335][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9439.767335][T12167] netdev_get_by_index+0x5e/0x80 [ 9439.767335][T12167] fib6_nh_init+0x3d8/0x1580 [ 9439.767335][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9439.767335][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9439.767335][T12167] ipv6_add_addr+0x411/0x2000 [ 9439.767335][T12167] inet6_addr_add+0x30e/0xa40 [ 9439.767335][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9439.767335][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9439.767335][T12167] netlink_rcv_skb+0x130/0x360 [ 9439.767335][T12167] netlink_unicast+0x449/0x710 [ 9439.767335][T12167] netlink_sendmsg+0x723/0xbe0 [ 9439.767335][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9439.767335][T12167] ___sys_sendmsg+0xee/0x170 [ 9439.767335][T12167] __sys_sendmsg+0xcd/0x170 [ 9439.767335][T12167] do_syscall_64+0xc6/0x1e0 [ 9439.767335][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9439.767335][T12167] [ 9439.769670][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9439.769670][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9439.769670][T12167] ipv6_find_idev+0x102/0x170 [ 9439.769670][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9439.769670][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9439.769670][T12167] netlink_rcv_skb+0x130/0x360 [ 9439.769670][T12167] netlink_unicast+0x449/0x710 [ 9439.769670][T12167] netlink_sendmsg+0x723/0xbe0 [ 9439.769670][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9439.769670][T12167] ___sys_sendmsg+0xee/0x170 [ 9439.769670][T12167] __sys_sendmsg+0xcd/0x170 [ 9439.769670][T12167] do_syscall_64+0xc6/0x1e0 [ 9439.769670][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9439.769670][T12167] [ 9439.771417][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9439.771417][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9439.771417][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9439.771417][T12167] ipv6_find_idev+0x102/0x170 [ 9439.771417][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9439.771417][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9439.771417][T12167] netlink_rcv_skb+0x130/0x360 [ 9439.771417][T12167] netlink_unicast+0x449/0x710 [ 9439.771417][T12167] netlink_sendmsg+0x723/0xbe0 [ 9439.771417][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9439.771417][T12167] ___sys_sendmsg+0xee/0x170 [ 9439.771417][T12167] __sys_sendmsg+0xcd/0x170 [ 9439.771417][T12167] do_syscall_64+0xc6/0x1e0 [ 9439.771417][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9439.771417][T12167] [ 9440.038817][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9440.039152][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9440.039152][ T10] dst_init+0x84/0x4a0 [ 9440.039152][ T10] dst_alloc+0x97/0x150 [ 9440.039152][ T10] ip6_dst_alloc+0x23/0x90 [ 9440.039152][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9440.039152][ T10] ip6_pol_route+0x56f/0x840 [ 9440.039152][ T10] fib6_rule_lookup+0x334/0x630 [ 9440.039152][ T10] ip6_route_output_flags+0x259/0x480 [ 9440.039152][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9440.039152][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9440.039152][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9440.039152][ T10] ____sys_sendmsg+0x772/0xa10 [ 9440.039152][ T10] ___sys_sendmsg+0xee/0x170 [ 9440.039152][ T10] __sys_sendmsg+0xcd/0x170 [ 9440.039152][ T10] do_syscall_64+0xc6/0x1e0 [ 9440.039152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9440.039152][ T10] [ 9440.041035][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9440.041035][ T10] dst_init+0x84/0x4a0 [ 9440.041035][ T10] dst_alloc+0x97/0x150 [ 9440.041035][ T10] ip6_dst_alloc+0x23/0x90 [ 9440.041035][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9440.041035][ T10] ip6_pol_route+0x56f/0x840 [ 9440.041035][ T10] fib6_rule_lookup+0x334/0x630 [ 9440.041035][ T10] ip6_route_output_flags+0x259/0x480 [ 9440.041035][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9440.041035][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9440.041035][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9440.041035][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9440.041035][ T10] ____sys_sendmsg+0x772/0xa10 [ 9440.041035][ T10] ___sys_sendmsg+0xee/0x170 [ 9440.041035][ T10] __sys_sendmsg+0xcd/0x170 [ 9440.041035][ T10] do_syscall_64+0xc6/0x1e0 [ 9440.041035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9440.041035][ T10] [ 9440.043037][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9440.043037][ T10] dst_init+0x84/0x4a0 [ 9440.043037][ T10] dst_alloc+0x97/0x150 [ 9440.043037][ T10] ip6_dst_alloc+0x23/0x90 [ 9440.043037][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9440.043037][ T10] ip6_pol_route+0x56f/0x840 [ 9440.043037][ T10] fib6_rule_lookup+0x334/0x630 [ 9440.043037][ T10] ip6_route_output_flags+0x259/0x480 [ 9440.043037][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9440.043037][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9440.043037][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9440.043037][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9440.043037][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9440.043037][ T10] ___sys_sendmsg+0xee/0x170 [ 9440.043037][ T10] __sys_sendmsg+0xcd/0x170 [ 9440.043037][ T10] do_syscall_64+0xc6/0x1e0 [ 9440.043037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9440.043037][ T10] [ 9440.045033][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9440.045033][ T10] netdev_get_by_index+0x5e/0x80 [ 9440.045033][ T10] fib6_nh_init+0x3d8/0x1580 [ 9440.045033][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9440.045033][ T10] ip6_route_add+0x1c/0x140 [ 9440.045033][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9440.045033][ T10] inet6_addr_add+0x4f8/0xa40 [ 9440.045033][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9440.045033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9440.045033][ T10] netlink_rcv_skb+0x130/0x360 [ 9440.045033][ T10] netlink_unicast+0x449/0x710 [ 9440.045033][ T10] netlink_sendmsg+0x723/0xbe0 [ 9440.045033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9440.045033][ T10] ___sys_sendmsg+0xee/0x170 [ 9440.045033][ T10] __sys_sendmsg+0xcd/0x170 [ 9440.045033][ T10] do_syscall_64+0xc6/0x1e0 [ 9440.045033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9440.045033][ T10] [ 9440.047038][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9440.047038][ T10] netdev_get_by_index+0x5e/0x80 [ 9440.047038][ T10] fib6_nh_init+0x3d8/0x1580 [ 9440.047038][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9440.047038][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9440.047038][ T10] ipv6_add_addr+0x411/0x2000 [ 9440.047038][ T10] inet6_addr_add+0x30e/0xa40 [ 9440.047038][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9440.047038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9440.047038][ T10] netlink_rcv_skb+0x130/0x360 [ 9440.047038][ T10] netlink_unicast+0x449/0x710 [ 9440.047038][ T10] netlink_sendmsg+0x723/0xbe0 [ 9440.047038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9440.047038][ T10] ___sys_sendmsg+0xee/0x170 [ 9440.047038][ T10] __sys_sendmsg+0xcd/0x170 [ 9440.047038][ T10] do_syscall_64+0xc6/0x1e0 [ 9440.047038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9440.047038][ T10] [ 9440.049032][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9440.049032][ T10] netdev_get_by_index+0x5e/0x80 [ 9440.049032][ T10] fib6_nh_init+0x3d8/0x1580 [ 9440.049032][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9440.049032][ T10] ip6_route_add+0x1c/0x140 [ 9440.049032][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9440.049032][ T10] addrconf_add_dev+0xe2/0x170 [ 9440.049032][ T10] inet6_addr_add+0x12f/0xa40 [ 9440.049032][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9440.049032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9440.049032][ T10] netlink_rcv_skb+0x130/0x360 [ 9440.049032][ T10] netlink_unicast+0x449/0x710 [ 9440.049032][ T10] netlink_sendmsg+0x723/0xbe0 [ 9440.049032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9440.049032][ T10] ___sys_sendmsg+0xee/0x170 [ 9440.049032][ T10] __sys_sendmsg+0xcd/0x170 [ 9440.049032][ T10] do_syscall_64+0xc6/0x1e0 [ 9440.049032][ T10] [ 9440.050998][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9440.050998][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9440.050998][ T10] ipv6_find_idev+0x102/0x170 [ 9440.050998][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9440.050998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9440.050998][ T10] netlink_rcv_skb+0x130/0x360 [ 9440.050998][ T10] netlink_unicast+0x449/0x710 [ 9440.050998][ T10] netlink_sendmsg+0x723/0xbe0 [ 9440.050998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9440.050998][ T10] ___sys_sendmsg+0xee/0x170 [ 9440.050998][ T10] __sys_sendmsg+0xcd/0x170 [ 9440.050998][ T10] do_syscall_64+0xc6/0x1e0 [ 9440.050998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9440.050998][ T10] [ 9440.052544][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9440.052544][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9440.052544][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9440.052544][ T10] ipv6_find_idev+0x102/0x170 [ 9440.052544][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9440.052544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9440.052544][ T10] netlink_rcv_skb+0x130/0x360 [ 9440.052544][ T10] netlink_unicast+0x449/0x710 [ 9440.052544][ T10] netlink_sendmsg+0x723/0xbe0 [ 9440.052544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9440.052544][ T10] ___sys_sendmsg+0xee/0x170 [ 9440.052544][ T10] __sys_sendmsg+0xcd/0x170 [ 9440.052544][ T10] do_syscall_64+0xc6/0x1e0 [ 9440.052544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9440.052544][ T10] [ 9450.014813][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9450.015246][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9450.015246][T12167] netdev_get_by_index+0x5e/0x80 [ 9450.015246][T12167] fib6_nh_init+0x3d8/0x1580 [ 9450.015246][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9450.015246][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9450.015246][T12167] ipv6_add_addr+0x411/0x2000 [ 9450.015246][T12167] inet6_addr_add+0x30e/0xa40 [ 9450.015246][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9450.015246][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9450.015246][T12167] netlink_rcv_skb+0x130/0x360 [ 9450.015246][T12167] netlink_unicast+0x449/0x710 [ 9450.015246][T12167] netlink_sendmsg+0x723/0xbe0 [ 9450.015246][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9450.015246][T12167] ___sys_sendmsg+0xee/0x170 [ 9450.015246][T12167] __sys_sendmsg+0xcd/0x170 [ 9450.015246][T12167] do_syscall_64+0xc6/0x1e0 [ 9450.015246][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9450.015246][T12167] [ 9450.017527][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9450.017527][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9450.017527][T12167] ipv6_find_idev+0x102/0x170 [ 9450.017527][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9450.017527][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9450.017527][T12167] netlink_rcv_skb+0x130/0x360 [ 9450.017527][T12167] netlink_unicast+0x449/0x710 [ 9450.017527][T12167] netlink_sendmsg+0x723/0xbe0 [ 9450.017527][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9450.017527][T12167] ___sys_sendmsg+0xee/0x170 [ 9450.017527][T12167] __sys_sendmsg+0xcd/0x170 [ 9450.017527][T12167] do_syscall_64+0xc6/0x1e0 [ 9450.017527][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9450.017527][T12167] [ 9450.019261][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9450.019261][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9450.019261][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9450.019261][T12167] ipv6_find_idev+0x102/0x170 [ 9450.019261][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9450.019261][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9450.019261][T12167] netlink_rcv_skb+0x130/0x360 [ 9450.019261][T12167] netlink_unicast+0x449/0x710 [ 9450.019261][T12167] netlink_sendmsg+0x723/0xbe0 [ 9450.019261][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9450.019261][T12167] ___sys_sendmsg+0xee/0x170 [ 9450.019261][T12167] __sys_sendmsg+0xcd/0x170 [ 9450.019261][T12167] do_syscall_64+0xc6/0x1e0 [ 9450.019261][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9450.019261][T12167] [ 9450.294812][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9450.295153][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9450.295153][ T10] dst_init+0x84/0x4a0 [ 9450.295153][ T10] dst_alloc+0x97/0x150 [ 9450.295153][ T10] ip6_dst_alloc+0x23/0x90 [ 9450.295153][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9450.295153][ T10] ip6_pol_route+0x56f/0x840 [ 9450.295153][ T10] fib6_rule_lookup+0x334/0x630 [ 9450.295153][ T10] ip6_route_output_flags+0x259/0x480 [ 9450.295153][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9450.295153][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9450.295153][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9450.295153][ T10] ____sys_sendmsg+0x772/0xa10 [ 9450.295153][ T10] ___sys_sendmsg+0xee/0x170 [ 9450.295153][ T10] __sys_sendmsg+0xcd/0x170 [ 9450.295153][ T10] do_syscall_64+0xc6/0x1e0 [ 9450.295153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9450.295153][ T10] [ 9450.297150][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9450.297150][ T10] dst_init+0x84/0x4a0 [ 9450.297150][ T10] dst_alloc+0x97/0x150 [ 9450.297150][ T10] ip6_dst_alloc+0x23/0x90 [ 9450.297150][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9450.297150][ T10] ip6_pol_route+0x56f/0x840 [ 9450.297150][ T10] fib6_rule_lookup+0x334/0x630 [ 9450.297150][ T10] ip6_route_output_flags+0x259/0x480 [ 9450.297150][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9450.297150][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9450.297150][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9450.297150][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9450.297150][ T10] ____sys_sendmsg+0x772/0xa10 [ 9450.297150][ T10] ___sys_sendmsg+0xee/0x170 [ 9450.297150][ T10] __sys_sendmsg+0xcd/0x170 [ 9450.297150][ T10] do_syscall_64+0xc6/0x1e0 [ 9450.297150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9450.297150][ T10] [ 9450.299158][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9450.299158][ T10] dst_init+0x84/0x4a0 [ 9450.299158][ T10] dst_alloc+0x97/0x150 [ 9450.299158][ T10] ip6_dst_alloc+0x23/0x90 [ 9450.299158][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9450.299158][ T10] ip6_pol_route+0x56f/0x840 [ 9450.299158][ T10] fib6_rule_lookup+0x334/0x630 [ 9450.299158][ T10] ip6_route_output_flags+0x259/0x480 [ 9450.299158][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9450.299158][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9450.299158][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9450.299158][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9450.299158][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9450.299158][ T10] ___sys_sendmsg+0xee/0x170 [ 9450.299158][ T10] __sys_sendmsg+0xcd/0x170 [ 9450.299158][ T10] do_syscall_64+0xc6/0x1e0 [ 9450.299158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9450.299158][ T10] [ 9450.301155][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9450.301155][ T10] netdev_get_by_index+0x5e/0x80 [ 9450.301155][ T10] fib6_nh_init+0x3d8/0x1580 [ 9450.301155][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9450.301155][ T10] ip6_route_add+0x1c/0x140 [ 9450.301155][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9450.301155][ T10] inet6_addr_add+0x4f8/0xa40 [ 9450.301155][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9450.301155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9450.301155][ T10] netlink_rcv_skb+0x130/0x360 [ 9450.301155][ T10] netlink_unicast+0x449/0x710 [ 9450.301155][ T10] netlink_sendmsg+0x723/0xbe0 [ 9450.301155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9450.301155][ T10] ___sys_sendmsg+0xee/0x170 [ 9450.301155][ T10] __sys_sendmsg+0xcd/0x170 [ 9450.301155][ T10] do_syscall_64+0xc6/0x1e0 [ 9450.301155][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9450.301155][ T10] [ 9450.303160][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9450.303160][ T10] netdev_get_by_index+0x5e/0x80 [ 9450.303160][ T10] fib6_nh_init+0x3d8/0x1580 [ 9450.303160][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9450.303160][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9450.303160][ T10] ipv6_add_addr+0x411/0x2000 [ 9450.303160][ T10] inet6_addr_add+0x30e/0xa40 [ 9450.303160][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9450.303160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9450.303160][ T10] netlink_rcv_skb+0x130/0x360 [ 9450.303160][ T10] netlink_unicast+0x449/0x710 [ 9450.303160][ T10] netlink_sendmsg+0x723/0xbe0 [ 9450.303160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9450.303160][ T10] ___sys_sendmsg+0xee/0x170 [ 9450.303160][ T10] __sys_sendmsg+0xcd/0x170 [ 9450.303160][ T10] do_syscall_64+0xc6/0x1e0 [ 9450.303160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9450.303160][ T10] [ 9450.305159][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9450.305159][ T10] netdev_get_by_index+0x5e/0x80 [ 9450.305159][ T10] fib6_nh_init+0x3d8/0x1580 [ 9450.305159][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9450.305159][ T10] ip6_route_add+0x1c/0x140 [ 9450.305159][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9450.305159][ T10] addrconf_add_dev+0xe2/0x170 [ 9450.305159][ T10] inet6_addr_add+0x12f/0xa40 [ 9450.305159][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9450.305159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9450.305159][ T10] netlink_rcv_skb+0x130/0x360 [ 9450.305159][ T10] netlink_unicast+0x449/0x710 [ 9450.305159][ T10] netlink_sendmsg+0x723/0xbe0 [ 9450.305159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9450.305159][ T10] ___sys_sendmsg+0xee/0x170 [ 9450.305159][ T10] __sys_sendmsg+0xcd/0x170 [ 9450.305159][ T10] do_syscall_64+0xc6/0x1e0 [ 9450.305159][ T10] [ 9450.307125][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9450.307125][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9450.307125][ T10] ipv6_find_idev+0x102/0x170 [ 9450.307125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9450.307125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9450.307125][ T10] netlink_rcv_skb+0x130/0x360 [ 9450.307125][ T10] netlink_unicast+0x449/0x710 [ 9450.307125][ T10] netlink_sendmsg+0x723/0xbe0 [ 9450.307125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9450.307125][ T10] ___sys_sendmsg+0xee/0x170 [ 9450.307125][ T10] __sys_sendmsg+0xcd/0x170 [ 9450.307125][ T10] do_syscall_64+0xc6/0x1e0 [ 9450.307125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9450.307125][ T10] [ 9450.308667][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9450.308667][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9450.308667][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9450.308667][ T10] ipv6_find_idev+0x102/0x170 [ 9450.308667][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9450.308667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9450.308667][ T10] netlink_rcv_skb+0x130/0x360 [ 9450.308667][ T10] netlink_unicast+0x449/0x710 [ 9450.308667][ T10] netlink_sendmsg+0x723/0xbe0 [ 9450.308667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9450.308667][ T10] ___sys_sendmsg+0xee/0x170 [ 9450.308667][ T10] __sys_sendmsg+0xcd/0x170 [ 9450.308667][ T10] do_syscall_64+0xc6/0x1e0 [ 9450.308667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9450.308667][ T10] [ 9460.262825][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9460.263334][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9460.263334][T12167] netdev_get_by_index+0x5e/0x80 [ 9460.263334][T12167] fib6_nh_init+0x3d8/0x1580 [ 9460.263334][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9460.263334][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9460.263334][T12167] ipv6_add_addr+0x411/0x2000 [ 9460.263334][T12167] inet6_addr_add+0x30e/0xa40 [ 9460.263334][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9460.263334][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9460.263334][T12167] netlink_rcv_skb+0x130/0x360 [ 9460.263334][T12167] netlink_unicast+0x449/0x710 [ 9460.263334][T12167] netlink_sendmsg+0x723/0xbe0 [ 9460.263334][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9460.263334][T12167] ___sys_sendmsg+0xee/0x170 [ 9460.263334][T12167] __sys_sendmsg+0xcd/0x170 [ 9460.263334][T12167] do_syscall_64+0xc6/0x1e0 [ 9460.263334][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9460.263334][T12167] [ 9460.265620][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9460.265620][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9460.265620][T12167] ipv6_find_idev+0x102/0x170 [ 9460.265620][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9460.265620][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9460.265620][T12167] netlink_rcv_skb+0x130/0x360 [ 9460.265620][T12167] netlink_unicast+0x449/0x710 [ 9460.265620][T12167] netlink_sendmsg+0x723/0xbe0 [ 9460.265620][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9460.265620][T12167] ___sys_sendmsg+0xee/0x170 [ 9460.265620][T12167] __sys_sendmsg+0xcd/0x170 [ 9460.265620][T12167] do_syscall_64+0xc6/0x1e0 [ 9460.265620][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9460.265620][T12167] [ 9460.267358][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9460.267358][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9460.267358][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9460.267358][T12167] ipv6_find_idev+0x102/0x170 [ 9460.267358][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9460.267358][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9460.267358][T12167] netlink_rcv_skb+0x130/0x360 [ 9460.267358][T12167] netlink_unicast+0x449/0x710 [ 9460.267358][T12167] netlink_sendmsg+0x723/0xbe0 [ 9460.267358][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9460.267358][T12167] ___sys_sendmsg+0xee/0x170 [ 9460.267358][T12167] __sys_sendmsg+0xcd/0x170 [ 9460.267358][T12167] do_syscall_64+0xc6/0x1e0 [ 9460.267358][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9460.267358][T12167] [ 9460.550745][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9460.551162][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9460.551162][ T10] dst_init+0x84/0x4a0 [ 9460.551162][ T10] dst_alloc+0x97/0x150 [ 9460.551162][ T10] ip6_dst_alloc+0x23/0x90 [ 9460.551162][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9460.551162][ T10] ip6_pol_route+0x56f/0x840 [ 9460.551162][ T10] fib6_rule_lookup+0x334/0x630 [ 9460.551162][ T10] ip6_route_output_flags+0x259/0x480 [ 9460.551162][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9460.551162][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9460.551162][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9460.551162][ T10] ____sys_sendmsg+0x772/0xa10 [ 9460.551162][ T10] ___sys_sendmsg+0xee/0x170 [ 9460.551162][ T10] __sys_sendmsg+0xcd/0x170 [ 9460.551162][ T10] do_syscall_64+0xc6/0x1e0 [ 9460.551162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9460.551162][ T10] [ 9460.553068][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9460.553068][ T10] dst_init+0x84/0x4a0 [ 9460.553068][ T10] dst_alloc+0x97/0x150 [ 9460.553068][ T10] ip6_dst_alloc+0x23/0x90 [ 9460.553068][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9460.553068][ T10] ip6_pol_route+0x56f/0x840 [ 9460.553068][ T10] fib6_rule_lookup+0x334/0x630 [ 9460.553068][ T10] ip6_route_output_flags+0x259/0x480 [ 9460.553068][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9460.553068][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9460.553068][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9460.553068][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9460.553068][ T10] ____sys_sendmsg+0x772/0xa10 [ 9460.553068][ T10] ___sys_sendmsg+0xee/0x170 [ 9460.553068][ T10] __sys_sendmsg+0xcd/0x170 [ 9460.553068][ T10] do_syscall_64+0xc6/0x1e0 [ 9460.553068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9460.553068][ T10] [ 9460.555069][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9460.555069][ T10] dst_init+0x84/0x4a0 [ 9460.555069][ T10] dst_alloc+0x97/0x150 [ 9460.555069][ T10] ip6_dst_alloc+0x23/0x90 [ 9460.555069][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9460.555069][ T10] ip6_pol_route+0x56f/0x840 [ 9460.555069][ T10] fib6_rule_lookup+0x334/0x630 [ 9460.555069][ T10] ip6_route_output_flags+0x259/0x480 [ 9460.555069][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9460.555069][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9460.555069][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9460.555069][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9460.555069][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9460.555069][ T10] ___sys_sendmsg+0xee/0x170 [ 9460.555069][ T10] __sys_sendmsg+0xcd/0x170 [ 9460.555069][ T10] do_syscall_64+0xc6/0x1e0 [ 9460.555069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9460.555069][ T10] [ 9460.557072][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9460.557072][ T10] netdev_get_by_index+0x5e/0x80 [ 9460.557072][ T10] fib6_nh_init+0x3d8/0x1580 [ 9460.557072][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9460.557072][ T10] ip6_route_add+0x1c/0x140 [ 9460.557072][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9460.557072][ T10] inet6_addr_add+0x4f8/0xa40 [ 9460.557072][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9460.557072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9460.557072][ T10] netlink_rcv_skb+0x130/0x360 [ 9460.557072][ T10] netlink_unicast+0x449/0x710 [ 9460.557072][ T10] netlink_sendmsg+0x723/0xbe0 [ 9460.557072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9460.557072][ T10] ___sys_sendmsg+0xee/0x170 [ 9460.557072][ T10] __sys_sendmsg+0xcd/0x170 [ 9460.557072][ T10] do_syscall_64+0xc6/0x1e0 [ 9460.557072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9460.557072][ T10] [ 9460.559095][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9460.559095][ T10] netdev_get_by_index+0x5e/0x80 [ 9460.559095][ T10] fib6_nh_init+0x3d8/0x1580 [ 9460.559095][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9460.559095][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9460.559095][ T10] ipv6_add_addr+0x411/0x2000 [ 9460.559095][ T10] inet6_addr_add+0x30e/0xa40 [ 9460.559095][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9460.559095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9460.559095][ T10] netlink_rcv_skb+0x130/0x360 [ 9460.559095][ T10] netlink_unicast+0x449/0x710 [ 9460.559095][ T10] netlink_sendmsg+0x723/0xbe0 [ 9460.559095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9460.559095][ T10] ___sys_sendmsg+0xee/0x170 [ 9460.559095][ T10] __sys_sendmsg+0xcd/0x170 [ 9460.559095][ T10] do_syscall_64+0xc6/0x1e0 [ 9460.559095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9460.559095][ T10] [ 9460.561094][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9460.561094][ T10] netdev_get_by_index+0x5e/0x80 [ 9460.561094][ T10] fib6_nh_init+0x3d8/0x1580 [ 9460.561094][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9460.561094][ T10] ip6_route_add+0x1c/0x140 [ 9460.561094][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9460.561094][ T10] addrconf_add_dev+0xe2/0x170 [ 9460.561094][ T10] inet6_addr_add+0x12f/0xa40 [ 9460.561094][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9460.561094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9460.561094][ T10] netlink_rcv_skb+0x130/0x360 [ 9460.561094][ T10] netlink_unicast+0x449/0x710 [ 9460.561094][ T10] netlink_sendmsg+0x723/0xbe0 [ 9460.561094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9460.561094][ T10] ___sys_sendmsg+0xee/0x170 [ 9460.561094][ T10] __sys_sendmsg+0xcd/0x170 [ 9460.561094][ T10] do_syscall_64+0xc6/0x1e0 [ 9460.561094][ T10] [ 9460.563077][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9460.563077][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9460.563077][ T10] ipv6_find_idev+0x102/0x170 [ 9460.563077][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9460.563077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9460.563077][ T10] netlink_rcv_skb+0x130/0x360 [ 9460.563077][ T10] netlink_unicast+0x449/0x710 [ 9460.563077][ T10] netlink_sendmsg+0x723/0xbe0 [ 9460.563077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9460.563077][ T10] ___sys_sendmsg+0xee/0x170 [ 9460.563077][ T10] __sys_sendmsg+0xcd/0x170 [ 9460.563077][ T10] do_syscall_64+0xc6/0x1e0 [ 9460.563077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9460.563077][ T10] [ 9460.564619][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9460.564619][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9460.564619][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9460.564619][ T10] ipv6_find_idev+0x102/0x170 [ 9460.564619][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9460.564619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9460.564619][ T10] netlink_rcv_skb+0x130/0x360 [ 9460.564619][ T10] netlink_unicast+0x449/0x710 [ 9460.564619][ T10] netlink_sendmsg+0x723/0xbe0 [ 9460.564619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9460.564619][ T10] ___sys_sendmsg+0xee/0x170 [ 9460.564619][ T10] __sys_sendmsg+0xcd/0x170 [ 9460.564619][ T10] do_syscall_64+0xc6/0x1e0 [ 9460.564619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9460.564619][ T10] [ 9463.078937][ T42] INFO: task modprobe:12646 blocked for more than 737 seconds. [ 9463.079248][ T42] Not tainted 6.8.0-virtme #1 [ 9463.079368][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 9463.079568][ T42] task:modprobe state:D stack:25856 pid:12646 tgid:12646 ppid:44 flags:0x00004002 [ 9463.079856][ T42] Call Trace: [ 9463.079956][ T42] [ 9463.080027][ T42] __schedule+0x705/0x1ac0 [ 9463.080164][ T42] ? __pfx___schedule+0x10/0x10 [ 9463.080289][ T42] ? schedule+0x1a5/0x210 [ 9463.080387][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 9463.080518][ T42] ? mark_lock+0x38/0x3e0 [ 9463.080615][ T42] ? do_raw_spin_lock+0x131/0x270 [ 9463.080761][ T42] ? schedule+0x1a5/0x210 [ 9463.080860][ T42] schedule+0xdf/0x210 [ 9463.080956][ T42] schedule_preempt_disabled+0x15/0x30 [ 9463.081080][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 9463.081220][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 9463.081382][ T42] ? __pfx_console_unlock+0x10/0x10 [ 9463.081506][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 9463.081637][ T42] ? lock_acquire+0x1c1/0x220 [ 9463.081773][ T42] ? register_pernet_subsys+0x1a/0x50 [ 9463.081904][ T42] down_write+0x1c9/0x200 [ 9463.081999][ T42] ? __pfx_down_write+0x10/0x10 [ 9463.082123][ T42] ? __pfx__printk+0x10/0x10 [ 9463.082250][ T42] ? __pfx___lock_release+0x10/0x10 [ 9463.082380][ T42] register_pernet_subsys+0x1a/0x50 [ 9463.082507][ T42] tcf_register_action+0xa3/0x600 [ 9463.082635][ T42] ? __pfx_gact_init_module+0x10/0x10 [act_gact] [ 9463.082801][ T42] do_one_initcall+0xc8/0x3f0 [ 9463.082934][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 9463.083065][ T42] ? __create_object+0x5e/0xb0 [ 9463.083193][ T42] ? kasan_unpoison+0x27/0x60 [ 9463.083322][ T42] do_init_module+0x233/0x740 [ 9463.083457][ T42] load_module+0x16b5/0x2350 [ 9463.083592][ T42] ? __pfx_load_module+0x10/0x10 [ 9463.083733][ T42] ? kernel_read_file+0x3d2/0x520 [ 9463.083864][ T42] ? kernel_read_file+0x300/0x520 [ 9463.083993][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 9463.084128][ T42] ? init_module_from_file+0xd2/0x130 [ 9463.084250][ T42] init_module_from_file+0xd2/0x130 [ 9463.084372][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 9463.084530][ T42] ? __lock_release+0x103/0x460 [ 9463.084668][ T42] ? idempotent_init_module+0x32a/0x620 [ 9463.084810][ T42] ? idempotent_init_module+0x32a/0x620 [ 9463.084934][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 9463.085061][ T42] idempotent_init_module+0x342/0x620 [ 9463.085186][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 9463.085360][ T42] __x64_sys_finit_module+0xbe/0x130 [ 9463.085485][ T42] do_syscall_64+0xc6/0x1e0 [ 9463.085615][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9463.085783][ T42] RIP: 0033:0x7fac120f1e5d [ 9463.085912][ T42] RSP: 002b:00007ffc57d8a578 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 9463.086099][ T42] RAX: ffffffffffffffda RBX: 0000557fdddd7c80 RCX: 00007fac120f1e5d [ 9463.086283][ T42] RDX: 0000000000000000 RSI: 0000557fb6aeba2a RDI: 0000000000000000 [ 9463.086464][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffc57d8a6b0 [ 9463.086652][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557fb6aeba2a [ 9463.086852][ T42] R13: 0000557fdddd7ac0 R14: 0000557fdddd80b0 R15: 0000557fdddd7cf1 [ 9463.087052][ T42] [ 9463.087146][ T42] [ 9463.087146][ T42] Showing all locks held in the system: [ 9463.087322][ T42] 3 locks held by kworker/u16:0/10: [ 9463.087442][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 9463.087711][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 9463.087929][ T42] #2: ffffffff91f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 9463.088147][ T42] 1 lock held by khungtaskd/42: [ 9463.088264][ T42] #0: ffffffff917591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 9463.088491][ T42] 2 locks held by kworker/u17:1/44: [ 9463.088607][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 9463.088861][ T42] #1: ffffc90000317da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 9463.089138][ T42] 1 lock held by modprobe/12646: [ 9463.089258][ T42] #0: ffffffff91f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 9463.089507][ T42] [ 9463.089567][ T42] ============================================= [ 9463.089567][ T42] [ 9470.510904][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9470.511452][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9470.511452][T12167] netdev_get_by_index+0x5e/0x80 [ 9470.511452][T12167] fib6_nh_init+0x3d8/0x1580 [ 9470.511452][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9470.511452][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9470.511452][T12167] ipv6_add_addr+0x411/0x2000 [ 9470.511452][T12167] inet6_addr_add+0x30e/0xa40 [ 9470.511452][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9470.511452][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9470.511452][T12167] netlink_rcv_skb+0x130/0x360 [ 9470.511452][T12167] netlink_unicast+0x449/0x710 [ 9470.511452][T12167] netlink_sendmsg+0x723/0xbe0 [ 9470.511452][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9470.511452][T12167] ___sys_sendmsg+0xee/0x170 [ 9470.511452][T12167] __sys_sendmsg+0xcd/0x170 [ 9470.511452][T12167] do_syscall_64+0xc6/0x1e0 [ 9470.511452][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9470.511452][T12167] [ 9470.513762][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9470.513762][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9470.513762][T12167] ipv6_find_idev+0x102/0x170 [ 9470.513762][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9470.513762][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9470.513762][T12167] netlink_rcv_skb+0x130/0x360 [ 9470.513762][T12167] netlink_unicast+0x449/0x710 [ 9470.513762][T12167] netlink_sendmsg+0x723/0xbe0 [ 9470.513762][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9470.513762][T12167] ___sys_sendmsg+0xee/0x170 [ 9470.513762][T12167] __sys_sendmsg+0xcd/0x170 [ 9470.513762][T12167] do_syscall_64+0xc6/0x1e0 [ 9470.513762][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9470.513762][T12167] [ 9470.515523][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9470.515523][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9470.515523][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9470.515523][T12167] ipv6_find_idev+0x102/0x170 [ 9470.515523][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9470.515523][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9470.515523][T12167] netlink_rcv_skb+0x130/0x360 [ 9470.515523][T12167] netlink_unicast+0x449/0x710 [ 9470.515523][T12167] netlink_sendmsg+0x723/0xbe0 [ 9470.515523][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9470.515523][T12167] ___sys_sendmsg+0xee/0x170 [ 9470.515523][T12167] __sys_sendmsg+0xcd/0x170 [ 9470.515523][T12167] do_syscall_64+0xc6/0x1e0 [ 9470.515523][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9470.515523][T12167] [ 9470.758825][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9470.759233][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9470.759233][ T10] dst_init+0x84/0x4a0 [ 9470.759233][ T10] dst_alloc+0x97/0x150 [ 9470.759233][ T10] ip6_dst_alloc+0x23/0x90 [ 9470.759233][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9470.759233][ T10] ip6_pol_route+0x56f/0x840 [ 9470.759233][ T10] fib6_rule_lookup+0x334/0x630 [ 9470.759233][ T10] ip6_route_output_flags+0x259/0x480 [ 9470.759233][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9470.759233][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9470.759233][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9470.759233][ T10] ____sys_sendmsg+0x772/0xa10 [ 9470.759233][ T10] ___sys_sendmsg+0xee/0x170 [ 9470.759233][ T10] __sys_sendmsg+0xcd/0x170 [ 9470.759233][ T10] do_syscall_64+0xc6/0x1e0 [ 9470.759233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9470.759233][ T10] [ 9470.761152][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9470.761152][ T10] dst_init+0x84/0x4a0 [ 9470.761152][ T10] dst_alloc+0x97/0x150 [ 9470.761152][ T10] ip6_dst_alloc+0x23/0x90 [ 9470.761152][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9470.761152][ T10] ip6_pol_route+0x56f/0x840 [ 9470.761152][ T10] fib6_rule_lookup+0x334/0x630 [ 9470.761152][ T10] ip6_route_output_flags+0x259/0x480 [ 9470.761152][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9470.761152][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9470.761152][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9470.761152][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9470.761152][ T10] ____sys_sendmsg+0x772/0xa10 [ 9470.761152][ T10] ___sys_sendmsg+0xee/0x170 [ 9470.761152][ T10] __sys_sendmsg+0xcd/0x170 [ 9470.761152][ T10] do_syscall_64+0xc6/0x1e0 [ 9470.761152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9470.761152][ T10] [ 9470.763175][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9470.763175][ T10] dst_init+0x84/0x4a0 [ 9470.763175][ T10] dst_alloc+0x97/0x150 [ 9470.763175][ T10] ip6_dst_alloc+0x23/0x90 [ 9470.763175][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9470.763175][ T10] ip6_pol_route+0x56f/0x840 [ 9470.763175][ T10] fib6_rule_lookup+0x334/0x630 [ 9470.763175][ T10] ip6_route_output_flags+0x259/0x480 [ 9470.763175][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9470.763175][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9470.763175][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9470.763175][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9470.763175][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9470.763175][ T10] ___sys_sendmsg+0xee/0x170 [ 9470.763175][ T10] __sys_sendmsg+0xcd/0x170 [ 9470.763175][ T10] do_syscall_64+0xc6/0x1e0 [ 9470.763175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9470.763175][ T10] [ 9470.765184][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9470.765184][ T10] netdev_get_by_index+0x5e/0x80 [ 9470.765184][ T10] fib6_nh_init+0x3d8/0x1580 [ 9470.765184][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9470.765184][ T10] ip6_route_add+0x1c/0x140 [ 9470.765184][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9470.765184][ T10] inet6_addr_add+0x4f8/0xa40 [ 9470.765184][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9470.765184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9470.765184][ T10] netlink_rcv_skb+0x130/0x360 [ 9470.765184][ T10] netlink_unicast+0x449/0x710 [ 9470.765184][ T10] netlink_sendmsg+0x723/0xbe0 [ 9470.765184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9470.765184][ T10] ___sys_sendmsg+0xee/0x170 [ 9470.765184][ T10] __sys_sendmsg+0xcd/0x170 [ 9470.765184][ T10] do_syscall_64+0xc6/0x1e0 [ 9470.765184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9470.765184][ T10] [ 9470.767195][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9470.767195][ T10] netdev_get_by_index+0x5e/0x80 [ 9470.767195][ T10] fib6_nh_init+0x3d8/0x1580 [ 9470.767195][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9470.767195][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9470.767195][ T10] ipv6_add_addr+0x411/0x2000 [ 9470.767195][ T10] inet6_addr_add+0x30e/0xa40 [ 9470.767195][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9470.767195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9470.767195][ T10] netlink_rcv_skb+0x130/0x360 [ 9470.767195][ T10] netlink_unicast+0x449/0x710 [ 9470.767195][ T10] netlink_sendmsg+0x723/0xbe0 [ 9470.767195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9470.767195][ T10] ___sys_sendmsg+0xee/0x170 [ 9470.767195][ T10] __sys_sendmsg+0xcd/0x170 [ 9470.767195][ T10] do_syscall_64+0xc6/0x1e0 [ 9470.767195][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9470.767195][ T10] [ 9470.769208][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9470.769208][ T10] netdev_get_by_index+0x5e/0x80 [ 9470.769208][ T10] fib6_nh_init+0x3d8/0x1580 [ 9470.769208][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9470.769208][ T10] ip6_route_add+0x1c/0x140 [ 9470.769208][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9470.769208][ T10] addrconf_add_dev+0xe2/0x170 [ 9470.769208][ T10] inet6_addr_add+0x12f/0xa40 [ 9470.769208][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9470.769208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9470.769208][ T10] netlink_rcv_skb+0x130/0x360 [ 9470.769208][ T10] netlink_unicast+0x449/0x710 [ 9470.769208][ T10] netlink_sendmsg+0x723/0xbe0 [ 9470.769208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9470.769208][ T10] ___sys_sendmsg+0xee/0x170 [ 9470.769208][ T10] __sys_sendmsg+0xcd/0x170 [ 9470.769208][ T10] do_syscall_64+0xc6/0x1e0 [ 9470.769208][ T10] [ 9470.771191][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9470.771191][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9470.771191][ T10] ipv6_find_idev+0x102/0x170 [ 9470.771191][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9470.771191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9470.771191][ T10] netlink_rcv_skb+0x130/0x360 [ 9470.771191][ T10] netlink_unicast+0x449/0x710 [ 9470.771191][ T10] netlink_sendmsg+0x723/0xbe0 [ 9470.771191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9470.771191][ T10] ___sys_sendmsg+0xee/0x170 [ 9470.771191][ T10] __sys_sendmsg+0xcd/0x170 [ 9470.771191][ T10] do_syscall_64+0xc6/0x1e0 [ 9470.771191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9470.771191][ T10] [ 9470.772759][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9470.772759][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9470.772759][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9470.772759][ T10] ipv6_find_idev+0x102/0x170 [ 9470.772759][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9470.772759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9470.772759][ T10] netlink_rcv_skb+0x130/0x360 [ 9470.772759][ T10] netlink_unicast+0x449/0x710 [ 9470.772759][ T10] netlink_sendmsg+0x723/0xbe0 [ 9470.772759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9470.772759][ T10] ___sys_sendmsg+0xee/0x170 [ 9470.772759][ T10] __sys_sendmsg+0xcd/0x170 [ 9470.772759][ T10] do_syscall_64+0xc6/0x1e0 [ 9470.772759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9470.772759][ T10] [ 9480.518875][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9480.519398][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9480.519398][T12167] netdev_get_by_index+0x5e/0x80 [ 9480.519398][T12167] fib6_nh_init+0x3d8/0x1580 [ 9480.519398][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9480.519398][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9480.519398][T12167] ipv6_add_addr+0x411/0x2000 [ 9480.519398][T12167] inet6_addr_add+0x30e/0xa40 [ 9480.519398][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9480.519398][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9480.519398][T12167] netlink_rcv_skb+0x130/0x360 [ 9480.519398][T12167] netlink_unicast+0x449/0x710 [ 9480.519398][T12167] netlink_sendmsg+0x723/0xbe0 [ 9480.519398][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9480.519398][T12167] ___sys_sendmsg+0xee/0x170 [ 9480.519398][T12167] __sys_sendmsg+0xcd/0x170 [ 9480.519398][T12167] do_syscall_64+0xc6/0x1e0 [ 9480.519398][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9480.519398][T12167] [ 9480.521723][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9480.521723][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9480.521723][T12167] ipv6_find_idev+0x102/0x170 [ 9480.521723][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9480.521723][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9480.521723][T12167] netlink_rcv_skb+0x130/0x360 [ 9480.521723][T12167] netlink_unicast+0x449/0x710 [ 9480.521723][T12167] netlink_sendmsg+0x723/0xbe0 [ 9480.521723][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9480.521723][T12167] ___sys_sendmsg+0xee/0x170 [ 9480.521723][T12167] __sys_sendmsg+0xcd/0x170 [ 9480.521723][T12167] do_syscall_64+0xc6/0x1e0 [ 9480.521723][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9480.521723][T12167] [ 9480.523485][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9480.523485][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9480.523485][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9480.523485][T12167] ipv6_find_idev+0x102/0x170 [ 9480.523485][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9480.523485][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9480.523485][T12167] netlink_rcv_skb+0x130/0x360 [ 9480.523485][T12167] netlink_unicast+0x449/0x710 [ 9480.523485][T12167] netlink_sendmsg+0x723/0xbe0 [ 9480.523485][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9480.523485][T12167] ___sys_sendmsg+0xee/0x170 [ 9480.523485][T12167] __sys_sendmsg+0xcd/0x170 [ 9480.523485][T12167] do_syscall_64+0xc6/0x1e0 [ 9480.523485][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9480.523485][T12167] [ 9480.782875][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9480.783274][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9480.783274][ T10] dst_init+0x84/0x4a0 [ 9480.783274][ T10] dst_alloc+0x97/0x150 [ 9480.783274][ T10] ip6_dst_alloc+0x23/0x90 [ 9480.783274][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9480.783274][ T10] ip6_pol_route+0x56f/0x840 [ 9480.783274][ T10] fib6_rule_lookup+0x334/0x630 [ 9480.783274][ T10] ip6_route_output_flags+0x259/0x480 [ 9480.783274][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9480.783274][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9480.783274][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9480.783274][ T10] ____sys_sendmsg+0x772/0xa10 [ 9480.783274][ T10] ___sys_sendmsg+0xee/0x170 [ 9480.783274][ T10] __sys_sendmsg+0xcd/0x170 [ 9480.783274][ T10] do_syscall_64+0xc6/0x1e0 [ 9480.783274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9480.783274][ T10] [ 9480.785199][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9480.785199][ T10] dst_init+0x84/0x4a0 [ 9480.785199][ T10] dst_alloc+0x97/0x150 [ 9480.785199][ T10] ip6_dst_alloc+0x23/0x90 [ 9480.785199][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9480.785199][ T10] ip6_pol_route+0x56f/0x840 [ 9480.785199][ T10] fib6_rule_lookup+0x334/0x630 [ 9480.785199][ T10] ip6_route_output_flags+0x259/0x480 [ 9480.785199][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9480.785199][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9480.785199][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9480.785199][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9480.785199][ T10] ____sys_sendmsg+0x772/0xa10 [ 9480.785199][ T10] ___sys_sendmsg+0xee/0x170 [ 9480.785199][ T10] __sys_sendmsg+0xcd/0x170 [ 9480.785199][ T10] do_syscall_64+0xc6/0x1e0 [ 9480.785199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9480.785199][ T10] [ 9480.787221][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9480.787221][ T10] dst_init+0x84/0x4a0 [ 9480.787221][ T10] dst_alloc+0x97/0x150 [ 9480.787221][ T10] ip6_dst_alloc+0x23/0x90 [ 9480.787221][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9480.787221][ T10] ip6_pol_route+0x56f/0x840 [ 9480.787221][ T10] fib6_rule_lookup+0x334/0x630 [ 9480.787221][ T10] ip6_route_output_flags+0x259/0x480 [ 9480.787221][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9480.787221][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9480.787221][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9480.787221][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9480.787221][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9480.787221][ T10] ___sys_sendmsg+0xee/0x170 [ 9480.787221][ T10] __sys_sendmsg+0xcd/0x170 [ 9480.787221][ T10] do_syscall_64+0xc6/0x1e0 [ 9480.787221][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9480.787221][ T10] [ 9480.789241][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9480.789241][ T10] netdev_get_by_index+0x5e/0x80 [ 9480.789241][ T10] fib6_nh_init+0x3d8/0x1580 [ 9480.789241][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9480.789241][ T10] ip6_route_add+0x1c/0x140 [ 9480.789241][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9480.789241][ T10] inet6_addr_add+0x4f8/0xa40 [ 9480.789241][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9480.789241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9480.789241][ T10] netlink_rcv_skb+0x130/0x360 [ 9480.789241][ T10] netlink_unicast+0x449/0x710 [ 9480.789241][ T10] netlink_sendmsg+0x723/0xbe0 [ 9480.789241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9480.789241][ T10] ___sys_sendmsg+0xee/0x170 [ 9480.789241][ T10] __sys_sendmsg+0xcd/0x170 [ 9480.789241][ T10] do_syscall_64+0xc6/0x1e0 [ 9480.789241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9480.789241][ T10] [ 9480.791282][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9480.791282][ T10] netdev_get_by_index+0x5e/0x80 [ 9480.791282][ T10] fib6_nh_init+0x3d8/0x1580 [ 9480.791282][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9480.791282][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9480.791282][ T10] ipv6_add_addr+0x411/0x2000 [ 9480.791282][ T10] inet6_addr_add+0x30e/0xa40 [ 9480.791282][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9480.791282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9480.791282][ T10] netlink_rcv_skb+0x130/0x360 [ 9480.791282][ T10] netlink_unicast+0x449/0x710 [ 9480.791282][ T10] netlink_sendmsg+0x723/0xbe0 [ 9480.791282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9480.791282][ T10] ___sys_sendmsg+0xee/0x170 [ 9480.791282][ T10] __sys_sendmsg+0xcd/0x170 [ 9480.791282][ T10] do_syscall_64+0xc6/0x1e0 [ 9480.791282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9480.791282][ T10] [ 9480.793304][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9480.793304][ T10] netdev_get_by_index+0x5e/0x80 [ 9480.793304][ T10] fib6_nh_init+0x3d8/0x1580 [ 9480.793304][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9480.793304][ T10] ip6_route_add+0x1c/0x140 [ 9480.793304][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9480.793304][ T10] addrconf_add_dev+0xe2/0x170 [ 9480.793304][ T10] inet6_addr_add+0x12f/0xa40 [ 9480.793304][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9480.793304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9480.793304][ T10] netlink_rcv_skb+0x130/0x360 [ 9480.793304][ T10] netlink_unicast+0x449/0x710 [ 9480.793304][ T10] netlink_sendmsg+0x723/0xbe0 [ 9480.793304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9480.793304][ T10] ___sys_sendmsg+0xee/0x170 [ 9480.793304][ T10] __sys_sendmsg+0xcd/0x170 [ 9480.793304][ T10] do_syscall_64+0xc6/0x1e0 [ 9480.793304][ T10] [ 9480.795293][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9480.795293][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9480.795293][ T10] ipv6_find_idev+0x102/0x170 [ 9480.795293][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9480.795293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9480.795293][ T10] netlink_rcv_skb+0x130/0x360 [ 9480.795293][ T10] netlink_unicast+0x449/0x710 [ 9480.795293][ T10] netlink_sendmsg+0x723/0xbe0 [ 9480.795293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9480.795293][ T10] ___sys_sendmsg+0xee/0x170 [ 9480.795293][ T10] __sys_sendmsg+0xcd/0x170 [ 9480.795293][ T10] do_syscall_64+0xc6/0x1e0 [ 9480.795293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9480.795293][ T10] [ 9480.796851][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9480.796851][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9480.796851][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9480.796851][ T10] ipv6_find_idev+0x102/0x170 [ 9480.796851][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9480.796851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9480.796851][ T10] netlink_rcv_skb+0x130/0x360 [ 9480.796851][ T10] netlink_unicast+0x449/0x710 [ 9480.796851][ T10] netlink_sendmsg+0x723/0xbe0 [ 9480.796851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9480.796851][ T10] ___sys_sendmsg+0xee/0x170 [ 9480.796851][ T10] __sys_sendmsg+0xcd/0x170 [ 9480.796851][ T10] do_syscall_64+0xc6/0x1e0 [ 9480.796851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9480.796851][ T10] [ 9490.526844][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9490.527342][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9490.527342][T12167] netdev_get_by_index+0x5e/0x80 [ 9490.527342][T12167] fib6_nh_init+0x3d8/0x1580 [ 9490.527342][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9490.527342][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9490.527342][T12167] ipv6_add_addr+0x411/0x2000 [ 9490.527342][T12167] inet6_addr_add+0x30e/0xa40 [ 9490.527342][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9490.527342][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9490.527342][T12167] netlink_rcv_skb+0x130/0x360 [ 9490.527342][T12167] netlink_unicast+0x449/0x710 [ 9490.527342][T12167] netlink_sendmsg+0x723/0xbe0 [ 9490.527342][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9490.527342][T12167] ___sys_sendmsg+0xee/0x170 [ 9490.527342][T12167] __sys_sendmsg+0xcd/0x170 [ 9490.527342][T12167] do_syscall_64+0xc6/0x1e0 [ 9490.527342][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9490.527342][T12167] [ 9490.529636][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9490.529636][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9490.529636][T12167] ipv6_find_idev+0x102/0x170 [ 9490.529636][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9490.529636][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9490.529636][T12167] netlink_rcv_skb+0x130/0x360 [ 9490.529636][T12167] netlink_unicast+0x449/0x710 [ 9490.529636][T12167] netlink_sendmsg+0x723/0xbe0 [ 9490.529636][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9490.529636][T12167] ___sys_sendmsg+0xee/0x170 [ 9490.529636][T12167] __sys_sendmsg+0xcd/0x170 [ 9490.529636][T12167] do_syscall_64+0xc6/0x1e0 [ 9490.529636][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9490.529636][T12167] [ 9490.531389][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9490.531389][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9490.531389][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9490.531389][T12167] ipv6_find_idev+0x102/0x170 [ 9490.531389][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9490.531389][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9490.531389][T12167] netlink_rcv_skb+0x130/0x360 [ 9490.531389][T12167] netlink_unicast+0x449/0x710 [ 9490.531389][T12167] netlink_sendmsg+0x723/0xbe0 [ 9490.531389][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9490.531389][T12167] ___sys_sendmsg+0xee/0x170 [ 9490.531389][T12167] __sys_sendmsg+0xcd/0x170 [ 9490.531389][T12167] do_syscall_64+0xc6/0x1e0 [ 9490.531389][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9490.531389][T12167] [ 9491.046826][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9491.047264][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9491.047264][ T10] dst_init+0x84/0x4a0 [ 9491.047264][ T10] dst_alloc+0x97/0x150 [ 9491.047264][ T10] ip6_dst_alloc+0x23/0x90 [ 9491.047264][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9491.047264][ T10] ip6_pol_route+0x56f/0x840 [ 9491.047264][ T10] fib6_rule_lookup+0x334/0x630 [ 9491.047264][ T10] ip6_route_output_flags+0x259/0x480 [ 9491.047264][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9491.047264][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9491.047264][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9491.047264][ T10] ____sys_sendmsg+0x772/0xa10 [ 9491.047264][ T10] ___sys_sendmsg+0xee/0x170 [ 9491.047264][ T10] __sys_sendmsg+0xcd/0x170 [ 9491.047264][ T10] do_syscall_64+0xc6/0x1e0 [ 9491.047264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9491.047264][ T10] [ 9491.049169][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9491.049169][ T10] dst_init+0x84/0x4a0 [ 9491.049169][ T10] dst_alloc+0x97/0x150 [ 9491.049169][ T10] ip6_dst_alloc+0x23/0x90 [ 9491.049169][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9491.049169][ T10] ip6_pol_route+0x56f/0x840 [ 9491.049169][ T10] fib6_rule_lookup+0x334/0x630 [ 9491.049169][ T10] ip6_route_output_flags+0x259/0x480 [ 9491.049169][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9491.049169][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9491.049169][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9491.049169][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9491.049169][ T10] ____sys_sendmsg+0x772/0xa10 [ 9491.049169][ T10] ___sys_sendmsg+0xee/0x170 [ 9491.049169][ T10] __sys_sendmsg+0xcd/0x170 [ 9491.049169][ T10] do_syscall_64+0xc6/0x1e0 [ 9491.049169][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9491.049169][ T10] [ 9491.051187][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9491.051187][ T10] dst_init+0x84/0x4a0 [ 9491.051187][ T10] dst_alloc+0x97/0x150 [ 9491.051187][ T10] ip6_dst_alloc+0x23/0x90 [ 9491.051187][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9491.051187][ T10] ip6_pol_route+0x56f/0x840 [ 9491.051187][ T10] fib6_rule_lookup+0x334/0x630 [ 9491.051187][ T10] ip6_route_output_flags+0x259/0x480 [ 9491.051187][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9491.051187][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9491.051187][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9491.051187][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9491.051187][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9491.051187][ T10] ___sys_sendmsg+0xee/0x170 [ 9491.051187][ T10] __sys_sendmsg+0xcd/0x170 [ 9491.051187][ T10] do_syscall_64+0xc6/0x1e0 [ 9491.051187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9491.051187][ T10] [ 9491.053185][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9491.053185][ T10] netdev_get_by_index+0x5e/0x80 [ 9491.053185][ T10] fib6_nh_init+0x3d8/0x1580 [ 9491.053185][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9491.053185][ T10] ip6_route_add+0x1c/0x140 [ 9491.053185][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9491.053185][ T10] inet6_addr_add+0x4f8/0xa40 [ 9491.053185][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9491.053185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9491.053185][ T10] netlink_rcv_skb+0x130/0x360 [ 9491.053185][ T10] netlink_unicast+0x449/0x710 [ 9491.053185][ T10] netlink_sendmsg+0x723/0xbe0 [ 9491.053185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9491.053185][ T10] ___sys_sendmsg+0xee/0x170 [ 9491.053185][ T10] __sys_sendmsg+0xcd/0x170 [ 9491.053185][ T10] do_syscall_64+0xc6/0x1e0 [ 9491.053185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9491.053185][ T10] [ 9491.055188][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9491.055188][ T10] netdev_get_by_index+0x5e/0x80 [ 9491.055188][ T10] fib6_nh_init+0x3d8/0x1580 [ 9491.055188][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9491.055188][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9491.055188][ T10] ipv6_add_addr+0x411/0x2000 [ 9491.055188][ T10] inet6_addr_add+0x30e/0xa40 [ 9491.055188][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9491.055188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9491.055188][ T10] netlink_rcv_skb+0x130/0x360 [ 9491.055188][ T10] netlink_unicast+0x449/0x710 [ 9491.055188][ T10] netlink_sendmsg+0x723/0xbe0 [ 9491.055188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9491.055188][ T10] ___sys_sendmsg+0xee/0x170 [ 9491.055188][ T10] __sys_sendmsg+0xcd/0x170 [ 9491.055188][ T10] do_syscall_64+0xc6/0x1e0 [ 9491.055188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9491.055188][ T10] [ 9491.057190][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9491.057190][ T10] netdev_get_by_index+0x5e/0x80 [ 9491.057190][ T10] fib6_nh_init+0x3d8/0x1580 [ 9491.057190][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9491.057190][ T10] ip6_route_add+0x1c/0x140 [ 9491.057190][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9491.057190][ T10] addrconf_add_dev+0xe2/0x170 [ 9491.057190][ T10] inet6_addr_add+0x12f/0xa40 [ 9491.057190][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9491.057190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9491.057190][ T10] netlink_rcv_skb+0x130/0x360 [ 9491.057190][ T10] netlink_unicast+0x449/0x710 [ 9491.057190][ T10] netlink_sendmsg+0x723/0xbe0 [ 9491.057190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9491.057190][ T10] ___sys_sendmsg+0xee/0x170 [ 9491.057190][ T10] __sys_sendmsg+0xcd/0x170 [ 9491.057190][ T10] do_syscall_64+0xc6/0x1e0 [ 9491.057190][ T10] [ 9491.059159][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9491.059159][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9491.059159][ T10] ipv6_find_idev+0x102/0x170 [ 9491.059159][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9491.059159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9491.059159][ T10] netlink_rcv_skb+0x130/0x360 [ 9491.059159][ T10] netlink_unicast+0x449/0x710 [ 9491.059159][ T10] netlink_sendmsg+0x723/0xbe0 [ 9491.059159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9491.059159][ T10] ___sys_sendmsg+0xee/0x170 [ 9491.059159][ T10] __sys_sendmsg+0xcd/0x170 [ 9491.059159][ T10] do_syscall_64+0xc6/0x1e0 [ 9491.059159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9491.059159][ T10] [ 9491.060699][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9491.060699][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9491.060699][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9491.060699][ T10] ipv6_find_idev+0x102/0x170 [ 9491.060699][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9491.060699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9491.060699][ T10] netlink_rcv_skb+0x130/0x360 [ 9491.060699][ T10] netlink_unicast+0x449/0x710 [ 9491.060699][ T10] netlink_sendmsg+0x723/0xbe0 [ 9491.060699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9491.060699][ T10] ___sys_sendmsg+0xee/0x170 [ 9491.060699][ T10] __sys_sendmsg+0xcd/0x170 [ 9491.060699][ T10] do_syscall_64+0xc6/0x1e0 [ 9491.060699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9491.060699][ T10] [ 9500.734727][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9500.735228][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9500.735228][T12167] netdev_get_by_index+0x5e/0x80 [ 9500.735228][T12167] fib6_nh_init+0x3d8/0x1580 [ 9500.735228][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9500.735228][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9500.735228][T12167] ipv6_add_addr+0x411/0x2000 [ 9500.735228][T12167] inet6_addr_add+0x30e/0xa40 [ 9500.735228][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9500.735228][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9500.735228][T12167] netlink_rcv_skb+0x130/0x360 [ 9500.735228][T12167] netlink_unicast+0x449/0x710 [ 9500.735228][T12167] netlink_sendmsg+0x723/0xbe0 [ 9500.735228][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9500.735228][T12167] ___sys_sendmsg+0xee/0x170 [ 9500.735228][T12167] __sys_sendmsg+0xcd/0x170 [ 9500.735228][T12167] do_syscall_64+0xc6/0x1e0 [ 9500.735228][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9500.735228][T12167] [ 9500.737514][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9500.737514][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9500.737514][T12167] ipv6_find_idev+0x102/0x170 [ 9500.737514][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9500.737514][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9500.737514][T12167] netlink_rcv_skb+0x130/0x360 [ 9500.737514][T12167] netlink_unicast+0x449/0x710 [ 9500.737514][T12167] netlink_sendmsg+0x723/0xbe0 [ 9500.737514][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9500.737514][T12167] ___sys_sendmsg+0xee/0x170 [ 9500.737514][T12167] __sys_sendmsg+0xcd/0x170 [ 9500.737514][T12167] do_syscall_64+0xc6/0x1e0 [ 9500.737514][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9500.737514][T12167] [ 9500.739266][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9500.739266][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9500.739266][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9500.739266][T12167] ipv6_find_idev+0x102/0x170 [ 9500.739266][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9500.739266][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9500.739266][T12167] netlink_rcv_skb+0x130/0x360 [ 9500.739266][T12167] netlink_unicast+0x449/0x710 [ 9500.739266][T12167] netlink_sendmsg+0x723/0xbe0 [ 9500.739266][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9500.739266][T12167] ___sys_sendmsg+0xee/0x170 [ 9500.739266][T12167] __sys_sendmsg+0xcd/0x170 [ 9500.739266][T12167] do_syscall_64+0xc6/0x1e0 [ 9500.739266][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9500.739266][T12167] [ 9501.262875][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9501.263301][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9501.263301][ T10] dst_init+0x84/0x4a0 [ 9501.263301][ T10] dst_alloc+0x97/0x150 [ 9501.263301][ T10] ip6_dst_alloc+0x23/0x90 [ 9501.263301][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9501.263301][ T10] ip6_pol_route+0x56f/0x840 [ 9501.263301][ T10] fib6_rule_lookup+0x334/0x630 [ 9501.263301][ T10] ip6_route_output_flags+0x259/0x480 [ 9501.263301][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9501.263301][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9501.263301][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9501.263301][ T10] ____sys_sendmsg+0x772/0xa10 [ 9501.263301][ T10] ___sys_sendmsg+0xee/0x170 [ 9501.263301][ T10] __sys_sendmsg+0xcd/0x170 [ 9501.263301][ T10] do_syscall_64+0xc6/0x1e0 [ 9501.263301][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9501.263301][ T10] [ 9501.265496][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9501.265496][ T10] dst_init+0x84/0x4a0 [ 9501.265496][ T10] dst_alloc+0x97/0x150 [ 9501.265496][ T10] ip6_dst_alloc+0x23/0x90 [ 9501.265496][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9501.265496][ T10] ip6_pol_route+0x56f/0x840 [ 9501.265496][ T10] fib6_rule_lookup+0x334/0x630 [ 9501.265496][ T10] ip6_route_output_flags+0x259/0x480 [ 9501.265496][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9501.265496][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9501.265496][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9501.265496][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9501.265496][ T10] ____sys_sendmsg+0x772/0xa10 [ 9501.265496][ T10] ___sys_sendmsg+0xee/0x170 [ 9501.265496][ T10] __sys_sendmsg+0xcd/0x170 [ 9501.265496][ T10] do_syscall_64+0xc6/0x1e0 [ 9501.265496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9501.265496][ T10] [ 9501.267512][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9501.267512][ T10] dst_init+0x84/0x4a0 [ 9501.267512][ T10] dst_alloc+0x97/0x150 [ 9501.267512][ T10] ip6_dst_alloc+0x23/0x90 [ 9501.267512][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9501.267512][ T10] ip6_pol_route+0x56f/0x840 [ 9501.267512][ T10] fib6_rule_lookup+0x334/0x630 [ 9501.267512][ T10] ip6_route_output_flags+0x259/0x480 [ 9501.267512][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9501.267512][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9501.267512][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9501.267512][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9501.267512][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9501.267512][ T10] ___sys_sendmsg+0xee/0x170 [ 9501.267512][ T10] __sys_sendmsg+0xcd/0x170 [ 9501.267512][ T10] do_syscall_64+0xc6/0x1e0 [ 9501.267512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9501.267512][ T10] [ 9501.269528][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9501.269528][ T10] netdev_get_by_index+0x5e/0x80 [ 9501.269528][ T10] fib6_nh_init+0x3d8/0x1580 [ 9501.269528][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9501.269528][ T10] ip6_route_add+0x1c/0x140 [ 9501.269528][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9501.269528][ T10] inet6_addr_add+0x4f8/0xa40 [ 9501.269528][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9501.269528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9501.269528][ T10] netlink_rcv_skb+0x130/0x360 [ 9501.269528][ T10] netlink_unicast+0x449/0x710 [ 9501.269528][ T10] netlink_sendmsg+0x723/0xbe0 [ 9501.269528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9501.269528][ T10] ___sys_sendmsg+0xee/0x170 [ 9501.269528][ T10] __sys_sendmsg+0xcd/0x170 [ 9501.269528][ T10] do_syscall_64+0xc6/0x1e0 [ 9501.269528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9501.269528][ T10] [ 9501.271556][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9501.271556][ T10] netdev_get_by_index+0x5e/0x80 [ 9501.271556][ T10] fib6_nh_init+0x3d8/0x1580 [ 9501.271556][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9501.271556][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9501.271556][ T10] ipv6_add_addr+0x411/0x2000 [ 9501.271556][ T10] inet6_addr_add+0x30e/0xa40 [ 9501.271556][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9501.271556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9501.271556][ T10] netlink_rcv_skb+0x130/0x360 [ 9501.271556][ T10] netlink_unicast+0x449/0x710 [ 9501.271556][ T10] netlink_sendmsg+0x723/0xbe0 [ 9501.271556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9501.271556][ T10] ___sys_sendmsg+0xee/0x170 [ 9501.271556][ T10] __sys_sendmsg+0xcd/0x170 [ 9501.271556][ T10] do_syscall_64+0xc6/0x1e0 [ 9501.271556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9501.271556][ T10] [ 9501.273571][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9501.273571][ T10] netdev_get_by_index+0x5e/0x80 [ 9501.273571][ T10] fib6_nh_init+0x3d8/0x1580 [ 9501.273571][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9501.273571][ T10] ip6_route_add+0x1c/0x140 [ 9501.273571][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9501.273571][ T10] addrconf_add_dev+0xe2/0x170 [ 9501.273571][ T10] inet6_addr_add+0x12f/0xa40 [ 9501.273571][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9501.273571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9501.273571][ T10] netlink_rcv_skb+0x130/0x360 [ 9501.273571][ T10] netlink_unicast+0x449/0x710 [ 9501.273571][ T10] netlink_sendmsg+0x723/0xbe0 [ 9501.273571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9501.273571][ T10] ___sys_sendmsg+0xee/0x170 [ 9501.273571][ T10] __sys_sendmsg+0xcd/0x170 [ 9501.273571][ T10] do_syscall_64+0xc6/0x1e0 [ 9501.273571][ T10] [ 9501.275559][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9501.275559][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9501.275559][ T10] ipv6_find_idev+0x102/0x170 [ 9501.275559][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9501.275559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9501.275559][ T10] netlink_rcv_skb+0x130/0x360 [ 9501.275559][ T10] netlink_unicast+0x449/0x710 [ 9501.275559][ T10] netlink_sendmsg+0x723/0xbe0 [ 9501.275559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9501.275559][ T10] ___sys_sendmsg+0xee/0x170 [ 9501.275559][ T10] __sys_sendmsg+0xcd/0x170 [ 9501.275559][ T10] do_syscall_64+0xc6/0x1e0 [ 9501.275559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9501.275559][ T10] [ 9501.277113][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9501.277113][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9501.277113][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9501.277113][ T10] ipv6_find_idev+0x102/0x170 [ 9501.277113][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9501.277113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9501.277113][ T10] netlink_rcv_skb+0x130/0x360 [ 9501.277113][ T10] netlink_unicast+0x449/0x710 [ 9501.277113][ T10] netlink_sendmsg+0x723/0xbe0 [ 9501.277113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9501.277113][ T10] ___sys_sendmsg+0xee/0x170 [ 9501.277113][ T10] __sys_sendmsg+0xcd/0x170 [ 9501.277113][ T10] do_syscall_64+0xc6/0x1e0 [ 9501.277113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9501.277113][ T10] [ 9510.894827][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9510.895338][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9510.895338][T12167] netdev_get_by_index+0x5e/0x80 [ 9510.895338][T12167] fib6_nh_init+0x3d8/0x1580 [ 9510.895338][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9510.895338][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9510.895338][T12167] ipv6_add_addr+0x411/0x2000 [ 9510.895338][T12167] inet6_addr_add+0x30e/0xa40 [ 9510.895338][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9510.895338][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9510.895338][T12167] netlink_rcv_skb+0x130/0x360 [ 9510.895338][T12167] netlink_unicast+0x449/0x710 [ 9510.895338][T12167] netlink_sendmsg+0x723/0xbe0 [ 9510.895338][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9510.895338][T12167] ___sys_sendmsg+0xee/0x170 [ 9510.895338][T12167] __sys_sendmsg+0xcd/0x170 [ 9510.895338][T12167] do_syscall_64+0xc6/0x1e0 [ 9510.895338][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9510.895338][T12167] [ 9510.897617][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9510.897617][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9510.897617][T12167] ipv6_find_idev+0x102/0x170 [ 9510.897617][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9510.897617][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9510.897617][T12167] netlink_rcv_skb+0x130/0x360 [ 9510.897617][T12167] netlink_unicast+0x449/0x710 [ 9510.897617][T12167] netlink_sendmsg+0x723/0xbe0 [ 9510.897617][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9510.897617][T12167] ___sys_sendmsg+0xee/0x170 [ 9510.897617][T12167] __sys_sendmsg+0xcd/0x170 [ 9510.897617][T12167] do_syscall_64+0xc6/0x1e0 [ 9510.897617][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9510.897617][T12167] [ 9510.899358][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9510.899358][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9510.899358][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9510.899358][T12167] ipv6_find_idev+0x102/0x170 [ 9510.899358][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9510.899358][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9510.899358][T12167] netlink_rcv_skb+0x130/0x360 [ 9510.899358][T12167] netlink_unicast+0x449/0x710 [ 9510.899358][T12167] netlink_sendmsg+0x723/0xbe0 [ 9510.899358][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9510.899358][T12167] ___sys_sendmsg+0xee/0x170 [ 9510.899358][T12167] __sys_sendmsg+0xcd/0x170 [ 9510.899358][T12167] do_syscall_64+0xc6/0x1e0 [ 9510.899358][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9510.899358][T12167] [ 9511.406813][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9511.407222][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9511.407222][ T10] dst_init+0x84/0x4a0 [ 9511.407222][ T10] dst_alloc+0x97/0x150 [ 9511.407222][ T10] ip6_dst_alloc+0x23/0x90 [ 9511.407222][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9511.407222][ T10] ip6_pol_route+0x56f/0x840 [ 9511.407222][ T10] fib6_rule_lookup+0x334/0x630 [ 9511.407222][ T10] ip6_route_output_flags+0x259/0x480 [ 9511.407222][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9511.407222][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9511.407222][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9511.407222][ T10] ____sys_sendmsg+0x772/0xa10 [ 9511.407222][ T10] ___sys_sendmsg+0xee/0x170 [ 9511.407222][ T10] __sys_sendmsg+0xcd/0x170 [ 9511.407222][ T10] do_syscall_64+0xc6/0x1e0 [ 9511.407222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9511.407222][ T10] [ 9511.409164][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9511.409164][ T10] dst_init+0x84/0x4a0 [ 9511.409164][ T10] dst_alloc+0x97/0x150 [ 9511.409164][ T10] ip6_dst_alloc+0x23/0x90 [ 9511.409164][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9511.409164][ T10] ip6_pol_route+0x56f/0x840 [ 9511.409164][ T10] fib6_rule_lookup+0x334/0x630 [ 9511.409164][ T10] ip6_route_output_flags+0x259/0x480 [ 9511.409164][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9511.409164][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9511.409164][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9511.409164][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9511.409164][ T10] ____sys_sendmsg+0x772/0xa10 [ 9511.409164][ T10] ___sys_sendmsg+0xee/0x170 [ 9511.409164][ T10] __sys_sendmsg+0xcd/0x170 [ 9511.409164][ T10] do_syscall_64+0xc6/0x1e0 [ 9511.409164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9511.409164][ T10] [ 9511.411184][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9511.411184][ T10] dst_init+0x84/0x4a0 [ 9511.411184][ T10] dst_alloc+0x97/0x150 [ 9511.411184][ T10] ip6_dst_alloc+0x23/0x90 [ 9511.411184][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9511.411184][ T10] ip6_pol_route+0x56f/0x840 [ 9511.411184][ T10] fib6_rule_lookup+0x334/0x630 [ 9511.411184][ T10] ip6_route_output_flags+0x259/0x480 [ 9511.411184][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9511.411184][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9511.411184][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9511.411184][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9511.411184][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9511.411184][ T10] ___sys_sendmsg+0xee/0x170 [ 9511.411184][ T10] __sys_sendmsg+0xcd/0x170 [ 9511.411184][ T10] do_syscall_64+0xc6/0x1e0 [ 9511.411184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9511.411184][ T10] [ 9511.413203][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9511.413203][ T10] netdev_get_by_index+0x5e/0x80 [ 9511.413203][ T10] fib6_nh_init+0x3d8/0x1580 [ 9511.413203][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9511.413203][ T10] ip6_route_add+0x1c/0x140 [ 9511.413203][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9511.413203][ T10] inet6_addr_add+0x4f8/0xa40 [ 9511.413203][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9511.413203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9511.413203][ T10] netlink_rcv_skb+0x130/0x360 [ 9511.413203][ T10] netlink_unicast+0x449/0x710 [ 9511.413203][ T10] netlink_sendmsg+0x723/0xbe0 [ 9511.413203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9511.413203][ T10] ___sys_sendmsg+0xee/0x170 [ 9511.413203][ T10] __sys_sendmsg+0xcd/0x170 [ 9511.413203][ T10] do_syscall_64+0xc6/0x1e0 [ 9511.413203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9511.413203][ T10] [ 9511.415235][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9511.415235][ T10] netdev_get_by_index+0x5e/0x80 [ 9511.415235][ T10] fib6_nh_init+0x3d8/0x1580 [ 9511.415235][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9511.415235][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9511.415235][ T10] ipv6_add_addr+0x411/0x2000 [ 9511.415235][ T10] inet6_addr_add+0x30e/0xa40 [ 9511.415235][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9511.415235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9511.415235][ T10] netlink_rcv_skb+0x130/0x360 [ 9511.415235][ T10] netlink_unicast+0x449/0x710 [ 9511.415235][ T10] netlink_sendmsg+0x723/0xbe0 [ 9511.415235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9511.415235][ T10] ___sys_sendmsg+0xee/0x170 [ 9511.415235][ T10] __sys_sendmsg+0xcd/0x170 [ 9511.415235][ T10] do_syscall_64+0xc6/0x1e0 [ 9511.415235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9511.415235][ T10] [ 9511.417250][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9511.417250][ T10] netdev_get_by_index+0x5e/0x80 [ 9511.417250][ T10] fib6_nh_init+0x3d8/0x1580 [ 9511.417250][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9511.417250][ T10] ip6_route_add+0x1c/0x140 [ 9511.417250][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9511.417250][ T10] addrconf_add_dev+0xe2/0x170 [ 9511.417250][ T10] inet6_addr_add+0x12f/0xa40 [ 9511.417250][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9511.417250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9511.417250][ T10] netlink_rcv_skb+0x130/0x360 [ 9511.417250][ T10] netlink_unicast+0x449/0x710 [ 9511.417250][ T10] netlink_sendmsg+0x723/0xbe0 [ 9511.417250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9511.417250][ T10] ___sys_sendmsg+0xee/0x170 [ 9511.417250][ T10] __sys_sendmsg+0xcd/0x170 [ 9511.417250][ T10] do_syscall_64+0xc6/0x1e0 [ 9511.417250][ T10] [ 9511.419235][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9511.419235][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9511.419235][ T10] ipv6_find_idev+0x102/0x170 [ 9511.419235][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9511.419235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9511.419235][ T10] netlink_rcv_skb+0x130/0x360 [ 9511.419235][ T10] netlink_unicast+0x449/0x710 [ 9511.419235][ T10] netlink_sendmsg+0x723/0xbe0 [ 9511.419235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9511.419235][ T10] ___sys_sendmsg+0xee/0x170 [ 9511.419235][ T10] __sys_sendmsg+0xcd/0x170 [ 9511.419235][ T10] do_syscall_64+0xc6/0x1e0 [ 9511.419235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9511.419235][ T10] [ 9511.420798][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9511.420798][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9511.420798][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9511.420798][ T10] ipv6_find_idev+0x102/0x170 [ 9511.420798][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9511.420798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9511.420798][ T10] netlink_rcv_skb+0x130/0x360 [ 9511.420798][ T10] netlink_unicast+0x449/0x710 [ 9511.420798][ T10] netlink_sendmsg+0x723/0xbe0 [ 9511.420798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9511.420798][ T10] ___sys_sendmsg+0xee/0x170 [ 9511.420798][ T10] __sys_sendmsg+0xcd/0x170 [ 9511.420798][ T10] do_syscall_64+0xc6/0x1e0 [ 9511.420798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9511.420798][ T10] [ 9521.142845][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9521.143393][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9521.143393][T12167] netdev_get_by_index+0x5e/0x80 [ 9521.143393][T12167] fib6_nh_init+0x3d8/0x1580 [ 9521.143393][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9521.143393][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9521.143393][T12167] ipv6_add_addr+0x411/0x2000 [ 9521.143393][T12167] inet6_addr_add+0x30e/0xa40 [ 9521.143393][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9521.143393][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9521.143393][T12167] netlink_rcv_skb+0x130/0x360 [ 9521.143393][T12167] netlink_unicast+0x449/0x710 [ 9521.143393][T12167] netlink_sendmsg+0x723/0xbe0 [ 9521.143393][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9521.143393][T12167] ___sys_sendmsg+0xee/0x170 [ 9521.143393][T12167] __sys_sendmsg+0xcd/0x170 [ 9521.143393][T12167] do_syscall_64+0xc6/0x1e0 [ 9521.143393][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9521.143393][T12167] [ 9521.145681][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9521.145681][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9521.145681][T12167] ipv6_find_idev+0x102/0x170 [ 9521.145681][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9521.145681][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9521.145681][T12167] netlink_rcv_skb+0x130/0x360 [ 9521.145681][T12167] netlink_unicast+0x449/0x710 [ 9521.145681][T12167] netlink_sendmsg+0x723/0xbe0 [ 9521.145681][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9521.145681][T12167] ___sys_sendmsg+0xee/0x170 [ 9521.145681][T12167] __sys_sendmsg+0xcd/0x170 [ 9521.145681][T12167] do_syscall_64+0xc6/0x1e0 [ 9521.145681][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9521.145681][T12167] [ 9521.147429][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9521.147429][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9521.147429][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9521.147429][T12167] ipv6_find_idev+0x102/0x170 [ 9521.147429][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9521.147429][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9521.147429][T12167] netlink_rcv_skb+0x130/0x360 [ 9521.147429][T12167] netlink_unicast+0x449/0x710 [ 9521.147429][T12167] netlink_sendmsg+0x723/0xbe0 [ 9521.147429][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9521.147429][T12167] ___sys_sendmsg+0xee/0x170 [ 9521.147429][T12167] __sys_sendmsg+0xcd/0x170 [ 9521.147429][T12167] do_syscall_64+0xc6/0x1e0 [ 9521.147429][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9521.147429][T12167] [ 9521.670806][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9521.671291][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9521.671291][ T10] dst_init+0x84/0x4a0 [ 9521.671291][ T10] dst_alloc+0x97/0x150 [ 9521.671291][ T10] ip6_dst_alloc+0x23/0x90 [ 9521.671291][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9521.671291][ T10] ip6_pol_route+0x56f/0x840 [ 9521.671291][ T10] fib6_rule_lookup+0x334/0x630 [ 9521.671291][ T10] ip6_route_output_flags+0x259/0x480 [ 9521.671291][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9521.671291][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9521.671291][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9521.671291][ T10] ____sys_sendmsg+0x772/0xa10 [ 9521.671291][ T10] ___sys_sendmsg+0xee/0x170 [ 9521.671291][ T10] __sys_sendmsg+0xcd/0x170 [ 9521.671291][ T10] do_syscall_64+0xc6/0x1e0 [ 9521.671291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9521.671291][ T10] [ 9521.673217][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9521.673217][ T10] dst_init+0x84/0x4a0 [ 9521.673217][ T10] dst_alloc+0x97/0x150 [ 9521.673217][ T10] ip6_dst_alloc+0x23/0x90 [ 9521.673217][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9521.673217][ T10] ip6_pol_route+0x56f/0x840 [ 9521.673217][ T10] fib6_rule_lookup+0x334/0x630 [ 9521.673217][ T10] ip6_route_output_flags+0x259/0x480 [ 9521.673217][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9521.673217][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9521.673217][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9521.673217][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9521.673217][ T10] ____sys_sendmsg+0x772/0xa10 [ 9521.673217][ T10] ___sys_sendmsg+0xee/0x170 [ 9521.673217][ T10] __sys_sendmsg+0xcd/0x170 [ 9521.673217][ T10] do_syscall_64+0xc6/0x1e0 [ 9521.673217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9521.673217][ T10] [ 9521.675234][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9521.675234][ T10] dst_init+0x84/0x4a0 [ 9521.675234][ T10] dst_alloc+0x97/0x150 [ 9521.675234][ T10] ip6_dst_alloc+0x23/0x90 [ 9521.675234][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9521.675234][ T10] ip6_pol_route+0x56f/0x840 [ 9521.675234][ T10] fib6_rule_lookup+0x334/0x630 [ 9521.675234][ T10] ip6_route_output_flags+0x259/0x480 [ 9521.675234][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9521.675234][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9521.675234][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9521.675234][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9521.675234][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9521.675234][ T10] ___sys_sendmsg+0xee/0x170 [ 9521.675234][ T10] __sys_sendmsg+0xcd/0x170 [ 9521.675234][ T10] do_syscall_64+0xc6/0x1e0 [ 9521.675234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9521.675234][ T10] [ 9521.677245][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9521.677245][ T10] netdev_get_by_index+0x5e/0x80 [ 9521.677245][ T10] fib6_nh_init+0x3d8/0x1580 [ 9521.677245][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9521.677245][ T10] ip6_route_add+0x1c/0x140 [ 9521.677245][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9521.677245][ T10] inet6_addr_add+0x4f8/0xa40 [ 9521.677245][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9521.677245][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9521.677245][ T10] netlink_rcv_skb+0x130/0x360 [ 9521.677245][ T10] netlink_unicast+0x449/0x710 [ 9521.677245][ T10] netlink_sendmsg+0x723/0xbe0 [ 9521.677245][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9521.677245][ T10] ___sys_sendmsg+0xee/0x170 [ 9521.677245][ T10] __sys_sendmsg+0xcd/0x170 [ 9521.677245][ T10] do_syscall_64+0xc6/0x1e0 [ 9521.677245][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9521.677245][ T10] [ 9521.679259][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9521.679259][ T10] netdev_get_by_index+0x5e/0x80 [ 9521.679259][ T10] fib6_nh_init+0x3d8/0x1580 [ 9521.679259][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9521.679259][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9521.679259][ T10] ipv6_add_addr+0x411/0x2000 [ 9521.679259][ T10] inet6_addr_add+0x30e/0xa40 [ 9521.679259][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9521.679259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9521.679259][ T10] netlink_rcv_skb+0x130/0x360 [ 9521.679259][ T10] netlink_unicast+0x449/0x710 [ 9521.679259][ T10] netlink_sendmsg+0x723/0xbe0 [ 9521.679259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9521.679259][ T10] ___sys_sendmsg+0xee/0x170 [ 9521.679259][ T10] __sys_sendmsg+0xcd/0x170 [ 9521.679259][ T10] do_syscall_64+0xc6/0x1e0 [ 9521.679259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9521.679259][ T10] [ 9521.681280][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9521.681280][ T10] netdev_get_by_index+0x5e/0x80 [ 9521.681280][ T10] fib6_nh_init+0x3d8/0x1580 [ 9521.681280][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9521.681280][ T10] ip6_route_add+0x1c/0x140 [ 9521.681280][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9521.681280][ T10] addrconf_add_dev+0xe2/0x170 [ 9521.681280][ T10] inet6_addr_add+0x12f/0xa40 [ 9521.681280][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9521.681280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9521.681280][ T10] netlink_rcv_skb+0x130/0x360 [ 9521.681280][ T10] netlink_unicast+0x449/0x710 [ 9521.681280][ T10] netlink_sendmsg+0x723/0xbe0 [ 9521.681280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9521.681280][ T10] ___sys_sendmsg+0xee/0x170 [ 9521.681280][ T10] __sys_sendmsg+0xcd/0x170 [ 9521.681280][ T10] do_syscall_64+0xc6/0x1e0 [ 9521.681280][ T10] [ 9521.683257][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9521.683257][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9521.683257][ T10] ipv6_find_idev+0x102/0x170 [ 9521.683257][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9521.683257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9521.683257][ T10] netlink_rcv_skb+0x130/0x360 [ 9521.683257][ T10] netlink_unicast+0x449/0x710 [ 9521.683257][ T10] netlink_sendmsg+0x723/0xbe0 [ 9521.683257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9521.683257][ T10] ___sys_sendmsg+0xee/0x170 [ 9521.683257][ T10] __sys_sendmsg+0xcd/0x170 [ 9521.683257][ T10] do_syscall_64+0xc6/0x1e0 [ 9521.683257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9521.683257][ T10] [ 9521.684796][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9521.684796][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9521.684796][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9521.684796][ T10] ipv6_find_idev+0x102/0x170 [ 9521.684796][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9521.684796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9521.684796][ T10] netlink_rcv_skb+0x130/0x360 [ 9521.684796][ T10] netlink_unicast+0x449/0x710 [ 9521.684796][ T10] netlink_sendmsg+0x723/0xbe0 [ 9521.684796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9521.684796][ T10] ___sys_sendmsg+0xee/0x170 [ 9521.684796][ T10] __sys_sendmsg+0xcd/0x170 [ 9521.684796][ T10] do_syscall_64+0xc6/0x1e0 [ 9521.684796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9521.684796][ T10] [ 9531.398731][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9531.399249][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9531.399249][T12167] netdev_get_by_index+0x5e/0x80 [ 9531.399249][T12167] fib6_nh_init+0x3d8/0x1580 [ 9531.399249][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9531.399249][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9531.399249][T12167] ipv6_add_addr+0x411/0x2000 [ 9531.399249][T12167] inet6_addr_add+0x30e/0xa40 [ 9531.399249][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9531.399249][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9531.399249][T12167] netlink_rcv_skb+0x130/0x360 [ 9531.399249][T12167] netlink_unicast+0x449/0x710 [ 9531.399249][T12167] netlink_sendmsg+0x723/0xbe0 [ 9531.399249][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9531.399249][T12167] ___sys_sendmsg+0xee/0x170 [ 9531.399249][T12167] __sys_sendmsg+0xcd/0x170 [ 9531.399249][T12167] do_syscall_64+0xc6/0x1e0 [ 9531.399249][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9531.399249][T12167] [ 9531.401532][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9531.401532][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9531.401532][T12167] ipv6_find_idev+0x102/0x170 [ 9531.401532][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9531.401532][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9531.401532][T12167] netlink_rcv_skb+0x130/0x360 [ 9531.401532][T12167] netlink_unicast+0x449/0x710 [ 9531.401532][T12167] netlink_sendmsg+0x723/0xbe0 [ 9531.401532][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9531.401532][T12167] ___sys_sendmsg+0xee/0x170 [ 9531.401532][T12167] __sys_sendmsg+0xcd/0x170 [ 9531.401532][T12167] do_syscall_64+0xc6/0x1e0 [ 9531.401532][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9531.401532][T12167] [ 9531.403270][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9531.403270][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9531.403270][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9531.403270][T12167] ipv6_find_idev+0x102/0x170 [ 9531.403270][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9531.403270][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9531.403270][T12167] netlink_rcv_skb+0x130/0x360 [ 9531.403270][T12167] netlink_unicast+0x449/0x710 [ 9531.403270][T12167] netlink_sendmsg+0x723/0xbe0 [ 9531.403270][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9531.403270][T12167] ___sys_sendmsg+0xee/0x170 [ 9531.403270][T12167] __sys_sendmsg+0xcd/0x170 [ 9531.403270][T12167] do_syscall_64+0xc6/0x1e0 [ 9531.403270][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9531.403270][T12167] [ 9531.926801][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9531.927263][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9531.927263][ T10] dst_init+0x84/0x4a0 [ 9531.927263][ T10] dst_alloc+0x97/0x150 [ 9531.927263][ T10] ip6_dst_alloc+0x23/0x90 [ 9531.927263][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9531.927263][ T10] ip6_pol_route+0x56f/0x840 [ 9531.927263][ T10] fib6_rule_lookup+0x334/0x630 [ 9531.927263][ T10] ip6_route_output_flags+0x259/0x480 [ 9531.927263][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9531.927263][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9531.927263][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9531.927263][ T10] ____sys_sendmsg+0x772/0xa10 [ 9531.927263][ T10] ___sys_sendmsg+0xee/0x170 [ 9531.927263][ T10] __sys_sendmsg+0xcd/0x170 [ 9531.927263][ T10] do_syscall_64+0xc6/0x1e0 [ 9531.927263][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9531.927263][ T10] [ 9531.929176][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9531.929176][ T10] dst_init+0x84/0x4a0 [ 9531.929176][ T10] dst_alloc+0x97/0x150 [ 9531.929176][ T10] ip6_dst_alloc+0x23/0x90 [ 9531.929176][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9531.929176][ T10] ip6_pol_route+0x56f/0x840 [ 9531.929176][ T10] fib6_rule_lookup+0x334/0x630 [ 9531.929176][ T10] ip6_route_output_flags+0x259/0x480 [ 9531.929176][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9531.929176][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9531.929176][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9531.929176][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9531.929176][ T10] ____sys_sendmsg+0x772/0xa10 [ 9531.929176][ T10] ___sys_sendmsg+0xee/0x170 [ 9531.929176][ T10] __sys_sendmsg+0xcd/0x170 [ 9531.929176][ T10] do_syscall_64+0xc6/0x1e0 [ 9531.929176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9531.929176][ T10] [ 9531.931207][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9531.931207][ T10] dst_init+0x84/0x4a0 [ 9531.931207][ T10] dst_alloc+0x97/0x150 [ 9531.931207][ T10] ip6_dst_alloc+0x23/0x90 [ 9531.931207][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9531.931207][ T10] ip6_pol_route+0x56f/0x840 [ 9531.931207][ T10] fib6_rule_lookup+0x334/0x630 [ 9531.931207][ T10] ip6_route_output_flags+0x259/0x480 [ 9531.931207][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9531.931207][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9531.931207][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9531.931207][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9531.931207][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9531.931207][ T10] ___sys_sendmsg+0xee/0x170 [ 9531.931207][ T10] __sys_sendmsg+0xcd/0x170 [ 9531.931207][ T10] do_syscall_64+0xc6/0x1e0 [ 9531.931207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9531.931207][ T10] [ 9531.933222][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9531.933222][ T10] netdev_get_by_index+0x5e/0x80 [ 9531.933222][ T10] fib6_nh_init+0x3d8/0x1580 [ 9531.933222][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9531.933222][ T10] ip6_route_add+0x1c/0x140 [ 9531.933222][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9531.933222][ T10] inet6_addr_add+0x4f8/0xa40 [ 9531.933222][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9531.933222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9531.933222][ T10] netlink_rcv_skb+0x130/0x360 [ 9531.933222][ T10] netlink_unicast+0x449/0x710 [ 9531.933222][ T10] netlink_sendmsg+0x723/0xbe0 [ 9531.933222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9531.933222][ T10] ___sys_sendmsg+0xee/0x170 [ 9531.933222][ T10] __sys_sendmsg+0xcd/0x170 [ 9531.933222][ T10] do_syscall_64+0xc6/0x1e0 [ 9531.933222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9531.933222][ T10] [ 9531.935237][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9531.935237][ T10] netdev_get_by_index+0x5e/0x80 [ 9531.935237][ T10] fib6_nh_init+0x3d8/0x1580 [ 9531.935237][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9531.935237][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9531.935237][ T10] ipv6_add_addr+0x411/0x2000 [ 9531.935237][ T10] inet6_addr_add+0x30e/0xa40 [ 9531.935237][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9531.935237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9531.935237][ T10] netlink_rcv_skb+0x130/0x360 [ 9531.935237][ T10] netlink_unicast+0x449/0x710 [ 9531.935237][ T10] netlink_sendmsg+0x723/0xbe0 [ 9531.935237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9531.935237][ T10] ___sys_sendmsg+0xee/0x170 [ 9531.935237][ T10] __sys_sendmsg+0xcd/0x170 [ 9531.935237][ T10] do_syscall_64+0xc6/0x1e0 [ 9531.935237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9531.935237][ T10] [ 9531.937244][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9531.937244][ T10] netdev_get_by_index+0x5e/0x80 [ 9531.937244][ T10] fib6_nh_init+0x3d8/0x1580 [ 9531.937244][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9531.937244][ T10] ip6_route_add+0x1c/0x140 [ 9531.937244][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9531.937244][ T10] addrconf_add_dev+0xe2/0x170 [ 9531.937244][ T10] inet6_addr_add+0x12f/0xa40 [ 9531.937244][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9531.937244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9531.937244][ T10] netlink_rcv_skb+0x130/0x360 [ 9531.937244][ T10] netlink_unicast+0x449/0x710 [ 9531.937244][ T10] netlink_sendmsg+0x723/0xbe0 [ 9531.937244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9531.937244][ T10] ___sys_sendmsg+0xee/0x170 [ 9531.937244][ T10] __sys_sendmsg+0xcd/0x170 [ 9531.937244][ T10] do_syscall_64+0xc6/0x1e0 [ 9531.937244][ T10] [ 9531.939219][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9531.939219][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9531.939219][ T10] ipv6_find_idev+0x102/0x170 [ 9531.939219][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9531.939219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9531.939219][ T10] netlink_rcv_skb+0x130/0x360 [ 9531.939219][ T10] netlink_unicast+0x449/0x710 [ 9531.939219][ T10] netlink_sendmsg+0x723/0xbe0 [ 9531.939219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9531.939219][ T10] ___sys_sendmsg+0xee/0x170 [ 9531.939219][ T10] __sys_sendmsg+0xcd/0x170 [ 9531.939219][ T10] do_syscall_64+0xc6/0x1e0 [ 9531.939219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9531.939219][ T10] [ 9531.940763][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9531.940763][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9531.940763][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9531.940763][ T10] ipv6_find_idev+0x102/0x170 [ 9531.940763][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9531.940763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9531.940763][ T10] netlink_rcv_skb+0x130/0x360 [ 9531.940763][ T10] netlink_unicast+0x449/0x710 [ 9531.940763][ T10] netlink_sendmsg+0x723/0xbe0 [ 9531.940763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9531.940763][ T10] ___sys_sendmsg+0xee/0x170 [ 9531.940763][ T10] __sys_sendmsg+0xcd/0x170 [ 9531.940763][ T10] do_syscall_64+0xc6/0x1e0 [ 9531.940763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9531.940763][ T10] [ 9541.646751][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9541.647262][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9541.647262][T12167] netdev_get_by_index+0x5e/0x80 [ 9541.647262][T12167] fib6_nh_init+0x3d8/0x1580 [ 9541.647262][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9541.647262][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9541.647262][T12167] ipv6_add_addr+0x411/0x2000 [ 9541.647262][T12167] inet6_addr_add+0x30e/0xa40 [ 9541.647262][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9541.647262][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9541.647262][T12167] netlink_rcv_skb+0x130/0x360 [ 9541.647262][T12167] netlink_unicast+0x449/0x710 [ 9541.647262][T12167] netlink_sendmsg+0x723/0xbe0 [ 9541.647262][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9541.647262][T12167] ___sys_sendmsg+0xee/0x170 [ 9541.647262][T12167] __sys_sendmsg+0xcd/0x170 [ 9541.647262][T12167] do_syscall_64+0xc6/0x1e0 [ 9541.647262][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9541.647262][T12167] [ 9541.649564][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9541.649564][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9541.649564][T12167] ipv6_find_idev+0x102/0x170 [ 9541.649564][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9541.649564][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9541.649564][T12167] netlink_rcv_skb+0x130/0x360 [ 9541.649564][T12167] netlink_unicast+0x449/0x710 [ 9541.649564][T12167] netlink_sendmsg+0x723/0xbe0 [ 9541.649564][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9541.649564][T12167] ___sys_sendmsg+0xee/0x170 [ 9541.649564][T12167] __sys_sendmsg+0xcd/0x170 [ 9541.649564][T12167] do_syscall_64+0xc6/0x1e0 [ 9541.649564][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9541.649564][T12167] [ 9541.651316][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9541.651316][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9541.651316][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9541.651316][T12167] ipv6_find_idev+0x102/0x170 [ 9541.651316][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9541.651316][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9541.651316][T12167] netlink_rcv_skb+0x130/0x360 [ 9541.651316][T12167] netlink_unicast+0x449/0x710 [ 9541.651316][T12167] netlink_sendmsg+0x723/0xbe0 [ 9541.651316][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9541.651316][T12167] ___sys_sendmsg+0xee/0x170 [ 9541.651316][T12167] __sys_sendmsg+0xcd/0x170 [ 9541.651316][T12167] do_syscall_64+0xc6/0x1e0 [ 9541.651316][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9541.651316][T12167] [ 9542.182798][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9542.183617][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9542.183617][ T10] dst_init+0x84/0x4a0 [ 9542.183617][ T10] dst_alloc+0x97/0x150 [ 9542.183617][ T10] ip6_dst_alloc+0x23/0x90 [ 9542.183617][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9542.183617][ T10] ip6_pol_route+0x56f/0x840 [ 9542.183617][ T10] fib6_rule_lookup+0x334/0x630 [ 9542.183617][ T10] ip6_route_output_flags+0x259/0x480 [ 9542.183617][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9542.183617][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9542.183617][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9542.183617][ T10] ____sys_sendmsg+0x772/0xa10 [ 9542.183617][ T10] ___sys_sendmsg+0xee/0x170 [ 9542.183617][ T10] __sys_sendmsg+0xcd/0x170 [ 9542.183617][ T10] do_syscall_64+0xc6/0x1e0 [ 9542.183617][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9542.183617][ T10] [ 9542.185530][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9542.185530][ T10] dst_init+0x84/0x4a0 [ 9542.185530][ T10] dst_alloc+0x97/0x150 [ 9542.185530][ T10] ip6_dst_alloc+0x23/0x90 [ 9542.185530][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9542.185530][ T10] ip6_pol_route+0x56f/0x840 [ 9542.185530][ T10] fib6_rule_lookup+0x334/0x630 [ 9542.185530][ T10] ip6_route_output_flags+0x259/0x480 [ 9542.185530][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9542.185530][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9542.185530][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9542.185530][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9542.185530][ T10] ____sys_sendmsg+0x772/0xa10 [ 9542.185530][ T10] ___sys_sendmsg+0xee/0x170 [ 9542.185530][ T10] __sys_sendmsg+0xcd/0x170 [ 9542.185530][ T10] do_syscall_64+0xc6/0x1e0 [ 9542.185530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9542.185530][ T10] [ 9542.187555][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9542.187555][ T10] dst_init+0x84/0x4a0 [ 9542.187555][ T10] dst_alloc+0x97/0x150 [ 9542.187555][ T10] ip6_dst_alloc+0x23/0x90 [ 9542.187555][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9542.187555][ T10] ip6_pol_route+0x56f/0x840 [ 9542.187555][ T10] fib6_rule_lookup+0x334/0x630 [ 9542.187555][ T10] ip6_route_output_flags+0x259/0x480 [ 9542.187555][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9542.187555][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9542.187555][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9542.187555][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9542.187555][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9542.187555][ T10] ___sys_sendmsg+0xee/0x170 [ 9542.187555][ T10] __sys_sendmsg+0xcd/0x170 [ 9542.187555][ T10] do_syscall_64+0xc6/0x1e0 [ 9542.187555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9542.187555][ T10] [ 9542.189563][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9542.189563][ T10] netdev_get_by_index+0x5e/0x80 [ 9542.189563][ T10] fib6_nh_init+0x3d8/0x1580 [ 9542.189563][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9542.189563][ T10] ip6_route_add+0x1c/0x140 [ 9542.189563][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9542.189563][ T10] inet6_addr_add+0x4f8/0xa40 [ 9542.189563][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9542.189563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9542.189563][ T10] netlink_rcv_skb+0x130/0x360 [ 9542.189563][ T10] netlink_unicast+0x449/0x710 [ 9542.189563][ T10] netlink_sendmsg+0x723/0xbe0 [ 9542.189563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9542.189563][ T10] ___sys_sendmsg+0xee/0x170 [ 9542.189563][ T10] __sys_sendmsg+0xcd/0x170 [ 9542.189563][ T10] do_syscall_64+0xc6/0x1e0 [ 9542.189563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9542.189563][ T10] [ 9542.191582][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9542.191582][ T10] netdev_get_by_index+0x5e/0x80 [ 9542.191582][ T10] fib6_nh_init+0x3d8/0x1580 [ 9542.191582][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9542.191582][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9542.191582][ T10] ipv6_add_addr+0x411/0x2000 [ 9542.191582][ T10] inet6_addr_add+0x30e/0xa40 [ 9542.191582][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9542.191582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9542.191582][ T10] netlink_rcv_skb+0x130/0x360 [ 9542.191582][ T10] netlink_unicast+0x449/0x710 [ 9542.191582][ T10] netlink_sendmsg+0x723/0xbe0 [ 9542.191582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9542.191582][ T10] ___sys_sendmsg+0xee/0x170 [ 9542.191582][ T10] __sys_sendmsg+0xcd/0x170 [ 9542.191582][ T10] do_syscall_64+0xc6/0x1e0 [ 9542.191582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9542.191582][ T10] [ 9542.193583][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9542.193583][ T10] netdev_get_by_index+0x5e/0x80 [ 9542.193583][ T10] fib6_nh_init+0x3d8/0x1580 [ 9542.193583][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9542.193583][ T10] ip6_route_add+0x1c/0x140 [ 9542.193583][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9542.193583][ T10] addrconf_add_dev+0xe2/0x170 [ 9542.193583][ T10] inet6_addr_add+0x12f/0xa40 [ 9542.193583][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9542.193583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9542.193583][ T10] netlink_rcv_skb+0x130/0x360 [ 9542.193583][ T10] netlink_unicast+0x449/0x710 [ 9542.193583][ T10] netlink_sendmsg+0x723/0xbe0 [ 9542.193583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9542.193583][ T10] ___sys_sendmsg+0xee/0x170 [ 9542.193583][ T10] __sys_sendmsg+0xcd/0x170 [ 9542.193583][ T10] do_syscall_64+0xc6/0x1e0 [ 9542.193583][ T10] [ 9542.195556][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9542.195556][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9542.195556][ T10] ipv6_find_idev+0x102/0x170 [ 9542.195556][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9542.195556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9542.195556][ T10] netlink_rcv_skb+0x130/0x360 [ 9542.195556][ T10] netlink_unicast+0x449/0x710 [ 9542.195556][ T10] netlink_sendmsg+0x723/0xbe0 [ 9542.195556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9542.195556][ T10] ___sys_sendmsg+0xee/0x170 [ 9542.195556][ T10] __sys_sendmsg+0xcd/0x170 [ 9542.195556][ T10] do_syscall_64+0xc6/0x1e0 [ 9542.195556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9542.195556][ T10] [ 9542.197104][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9542.197104][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9542.197104][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9542.197104][ T10] ipv6_find_idev+0x102/0x170 [ 9542.197104][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9542.197104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9542.197104][ T10] netlink_rcv_skb+0x130/0x360 [ 9542.197104][ T10] netlink_unicast+0x449/0x710 [ 9542.197104][ T10] netlink_sendmsg+0x723/0xbe0 [ 9542.197104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9542.197104][ T10] ___sys_sendmsg+0xee/0x170 [ 9542.197104][ T10] __sys_sendmsg+0xcd/0x170 [ 9542.197104][ T10] do_syscall_64+0xc6/0x1e0 [ 9542.197104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9542.197104][ T10] [ 9551.894789][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9551.895246][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9551.895246][T12167] netdev_get_by_index+0x5e/0x80 [ 9551.895246][T12167] fib6_nh_init+0x3d8/0x1580 [ 9551.895246][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9551.895246][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9551.895246][T12167] ipv6_add_addr+0x411/0x2000 [ 9551.895246][T12167] inet6_addr_add+0x30e/0xa40 [ 9551.895246][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9551.895246][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9551.895246][T12167] netlink_rcv_skb+0x130/0x360 [ 9551.895246][T12167] netlink_unicast+0x449/0x710 [ 9551.895246][T12167] netlink_sendmsg+0x723/0xbe0 [ 9551.895246][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9551.895246][T12167] ___sys_sendmsg+0xee/0x170 [ 9551.895246][T12167] __sys_sendmsg+0xcd/0x170 [ 9551.895246][T12167] do_syscall_64+0xc6/0x1e0 [ 9551.895246][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9551.895246][T12167] [ 9551.897588][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9551.897588][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9551.897588][T12167] ipv6_find_idev+0x102/0x170 [ 9551.897588][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9551.897588][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9551.897588][T12167] netlink_rcv_skb+0x130/0x360 [ 9551.897588][T12167] netlink_unicast+0x449/0x710 [ 9551.897588][T12167] netlink_sendmsg+0x723/0xbe0 [ 9551.897588][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9551.897588][T12167] ___sys_sendmsg+0xee/0x170 [ 9551.897588][T12167] __sys_sendmsg+0xcd/0x170 [ 9551.897588][T12167] do_syscall_64+0xc6/0x1e0 [ 9551.897588][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9551.897588][T12167] [ 9551.899327][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9551.899327][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9551.899327][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9551.899327][T12167] ipv6_find_idev+0x102/0x170 [ 9551.899327][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9551.899327][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9551.899327][T12167] netlink_rcv_skb+0x130/0x360 [ 9551.899327][T12167] netlink_unicast+0x449/0x710 [ 9551.899327][T12167] netlink_sendmsg+0x723/0xbe0 [ 9551.899327][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9551.899327][T12167] ___sys_sendmsg+0xee/0x170 [ 9551.899327][T12167] __sys_sendmsg+0xcd/0x170 [ 9551.899327][T12167] do_syscall_64+0xc6/0x1e0 [ 9551.899327][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9551.899327][T12167] [ 9552.438803][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9552.439205][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9552.439205][ T10] dst_init+0x84/0x4a0 [ 9552.439205][ T10] dst_alloc+0x97/0x150 [ 9552.439205][ T10] ip6_dst_alloc+0x23/0x90 [ 9552.439205][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9552.439205][ T10] ip6_pol_route+0x56f/0x840 [ 9552.439205][ T10] fib6_rule_lookup+0x334/0x630 [ 9552.439205][ T10] ip6_route_output_flags+0x259/0x480 [ 9552.439205][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9552.439205][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9552.439205][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9552.439205][ T10] ____sys_sendmsg+0x772/0xa10 [ 9552.439205][ T10] ___sys_sendmsg+0xee/0x170 [ 9552.439205][ T10] __sys_sendmsg+0xcd/0x170 [ 9552.439205][ T10] do_syscall_64+0xc6/0x1e0 [ 9552.439205][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9552.439205][ T10] [ 9552.441131][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9552.441131][ T10] dst_init+0x84/0x4a0 [ 9552.441131][ T10] dst_alloc+0x97/0x150 [ 9552.441131][ T10] ip6_dst_alloc+0x23/0x90 [ 9552.441131][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9552.441131][ T10] ip6_pol_route+0x56f/0x840 [ 9552.441131][ T10] fib6_rule_lookup+0x334/0x630 [ 9552.441131][ T10] ip6_route_output_flags+0x259/0x480 [ 9552.441131][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9552.441131][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9552.441131][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9552.441131][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9552.441131][ T10] ____sys_sendmsg+0x772/0xa10 [ 9552.441131][ T10] ___sys_sendmsg+0xee/0x170 [ 9552.441131][ T10] __sys_sendmsg+0xcd/0x170 [ 9552.441131][ T10] do_syscall_64+0xc6/0x1e0 [ 9552.441131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9552.441131][ T10] [ 9552.443149][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9552.443149][ T10] dst_init+0x84/0x4a0 [ 9552.443149][ T10] dst_alloc+0x97/0x150 [ 9552.443149][ T10] ip6_dst_alloc+0x23/0x90 [ 9552.443149][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9552.443149][ T10] ip6_pol_route+0x56f/0x840 [ 9552.443149][ T10] fib6_rule_lookup+0x334/0x630 [ 9552.443149][ T10] ip6_route_output_flags+0x259/0x480 [ 9552.443149][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9552.443149][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9552.443149][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9552.443149][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9552.443149][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9552.443149][ T10] ___sys_sendmsg+0xee/0x170 [ 9552.443149][ T10] __sys_sendmsg+0xcd/0x170 [ 9552.443149][ T10] do_syscall_64+0xc6/0x1e0 [ 9552.443149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9552.443149][ T10] [ 9552.445160][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9552.445160][ T10] netdev_get_by_index+0x5e/0x80 [ 9552.445160][ T10] fib6_nh_init+0x3d8/0x1580 [ 9552.445160][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9552.445160][ T10] ip6_route_add+0x1c/0x140 [ 9552.445160][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9552.445160][ T10] inet6_addr_add+0x4f8/0xa40 [ 9552.445160][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9552.445160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9552.445160][ T10] netlink_rcv_skb+0x130/0x360 [ 9552.445160][ T10] netlink_unicast+0x449/0x710 [ 9552.445160][ T10] netlink_sendmsg+0x723/0xbe0 [ 9552.445160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9552.445160][ T10] ___sys_sendmsg+0xee/0x170 [ 9552.445160][ T10] __sys_sendmsg+0xcd/0x170 [ 9552.445160][ T10] do_syscall_64+0xc6/0x1e0 [ 9552.445160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9552.445160][ T10] [ 9552.447167][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9552.447167][ T10] netdev_get_by_index+0x5e/0x80 [ 9552.447167][ T10] fib6_nh_init+0x3d8/0x1580 [ 9552.447167][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9552.447167][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9552.447167][ T10] ipv6_add_addr+0x411/0x2000 [ 9552.447167][ T10] inet6_addr_add+0x30e/0xa40 [ 9552.447167][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9552.447167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9552.447167][ T10] netlink_rcv_skb+0x130/0x360 [ 9552.447167][ T10] netlink_unicast+0x449/0x710 [ 9552.447167][ T10] netlink_sendmsg+0x723/0xbe0 [ 9552.447167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9552.447167][ T10] ___sys_sendmsg+0xee/0x170 [ 9552.447167][ T10] __sys_sendmsg+0xcd/0x170 [ 9552.447167][ T10] do_syscall_64+0xc6/0x1e0 [ 9552.447167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9552.447167][ T10] [ 9552.449180][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9552.449180][ T10] netdev_get_by_index+0x5e/0x80 [ 9552.449180][ T10] fib6_nh_init+0x3d8/0x1580 [ 9552.449180][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9552.449180][ T10] ip6_route_add+0x1c/0x140 [ 9552.449180][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9552.449180][ T10] addrconf_add_dev+0xe2/0x170 [ 9552.449180][ T10] inet6_addr_add+0x12f/0xa40 [ 9552.449180][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9552.449180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9552.449180][ T10] netlink_rcv_skb+0x130/0x360 [ 9552.449180][ T10] netlink_unicast+0x449/0x710 [ 9552.449180][ T10] netlink_sendmsg+0x723/0xbe0 [ 9552.449180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9552.449180][ T10] ___sys_sendmsg+0xee/0x170 [ 9552.449180][ T10] __sys_sendmsg+0xcd/0x170 [ 9552.449180][ T10] do_syscall_64+0xc6/0x1e0 [ 9552.449180][ T10] [ 9552.451258][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9552.451258][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9552.451258][ T10] ipv6_find_idev+0x102/0x170 [ 9552.451258][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9552.451258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9552.451258][ T10] netlink_rcv_skb+0x130/0x360 [ 9552.451258][ T10] netlink_unicast+0x449/0x710 [ 9552.451258][ T10] netlink_sendmsg+0x723/0xbe0 [ 9552.451258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9552.451258][ T10] ___sys_sendmsg+0xee/0x170 [ 9552.451258][ T10] __sys_sendmsg+0xcd/0x170 [ 9552.451258][ T10] do_syscall_64+0xc6/0x1e0 [ 9552.451258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9552.451258][ T10] [ 9552.452806][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9552.452806][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9552.452806][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9552.452806][ T10] ipv6_find_idev+0x102/0x170 [ 9552.452806][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9552.452806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9552.452806][ T10] netlink_rcv_skb+0x130/0x360 [ 9552.452806][ T10] netlink_unicast+0x449/0x710 [ 9552.452806][ T10] netlink_sendmsg+0x723/0xbe0 [ 9552.452806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9552.452806][ T10] ___sys_sendmsg+0xee/0x170 [ 9552.452806][ T10] __sys_sendmsg+0xcd/0x170 [ 9552.452806][ T10] do_syscall_64+0xc6/0x1e0 [ 9552.452806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9552.452806][ T10] [ 9562.150832][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9562.151290][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9562.151290][T12167] netdev_get_by_index+0x5e/0x80 [ 9562.151290][T12167] fib6_nh_init+0x3d8/0x1580 [ 9562.151290][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9562.151290][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9562.151290][T12167] ipv6_add_addr+0x411/0x2000 [ 9562.151290][T12167] inet6_addr_add+0x30e/0xa40 [ 9562.151290][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9562.151290][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9562.151290][T12167] netlink_rcv_skb+0x130/0x360 [ 9562.151290][T12167] netlink_unicast+0x449/0x710 [ 9562.151290][T12167] netlink_sendmsg+0x723/0xbe0 [ 9562.151290][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9562.151290][T12167] ___sys_sendmsg+0xee/0x170 [ 9562.151290][T12167] __sys_sendmsg+0xcd/0x170 [ 9562.151290][T12167] do_syscall_64+0xc6/0x1e0 [ 9562.151290][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9562.151290][T12167] [ 9562.153568][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9562.153568][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9562.153568][T12167] ipv6_find_idev+0x102/0x170 [ 9562.153568][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9562.153568][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9562.153568][T12167] netlink_rcv_skb+0x130/0x360 [ 9562.153568][T12167] netlink_unicast+0x449/0x710 [ 9562.153568][T12167] netlink_sendmsg+0x723/0xbe0 [ 9562.153568][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9562.153568][T12167] ___sys_sendmsg+0xee/0x170 [ 9562.153568][T12167] __sys_sendmsg+0xcd/0x170 [ 9562.153568][T12167] do_syscall_64+0xc6/0x1e0 [ 9562.153568][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9562.153568][T12167] [ 9562.155306][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9562.155306][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9562.155306][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9562.155306][T12167] ipv6_find_idev+0x102/0x170 [ 9562.155306][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9562.155306][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9562.155306][T12167] netlink_rcv_skb+0x130/0x360 [ 9562.155306][T12167] netlink_unicast+0x449/0x710 [ 9562.155306][T12167] netlink_sendmsg+0x723/0xbe0 [ 9562.155306][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9562.155306][T12167] ___sys_sendmsg+0xee/0x170 [ 9562.155306][T12167] __sys_sendmsg+0xcd/0x170 [ 9562.155306][T12167] do_syscall_64+0xc6/0x1e0 [ 9562.155306][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9562.155306][T12167] [ 9562.694726][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9562.695179][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9562.695179][ T10] dst_init+0x84/0x4a0 [ 9562.695179][ T10] dst_alloc+0x97/0x150 [ 9562.695179][ T10] ip6_dst_alloc+0x23/0x90 [ 9562.695179][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9562.695179][ T10] ip6_pol_route+0x56f/0x840 [ 9562.695179][ T10] fib6_rule_lookup+0x334/0x630 [ 9562.695179][ T10] ip6_route_output_flags+0x259/0x480 [ 9562.695179][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9562.695179][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9562.695179][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9562.695179][ T10] ____sys_sendmsg+0x772/0xa10 [ 9562.695179][ T10] ___sys_sendmsg+0xee/0x170 [ 9562.695179][ T10] __sys_sendmsg+0xcd/0x170 [ 9562.695179][ T10] do_syscall_64+0xc6/0x1e0 [ 9562.695179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9562.695179][ T10] [ 9562.697107][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9562.697107][ T10] dst_init+0x84/0x4a0 [ 9562.697107][ T10] dst_alloc+0x97/0x150 [ 9562.697107][ T10] ip6_dst_alloc+0x23/0x90 [ 9562.697107][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9562.697107][ T10] ip6_pol_route+0x56f/0x840 [ 9562.697107][ T10] fib6_rule_lookup+0x334/0x630 [ 9562.697107][ T10] ip6_route_output_flags+0x259/0x480 [ 9562.697107][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9562.697107][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9562.697107][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9562.697107][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9562.697107][ T10] ____sys_sendmsg+0x772/0xa10 [ 9562.697107][ T10] ___sys_sendmsg+0xee/0x170 [ 9562.697107][ T10] __sys_sendmsg+0xcd/0x170 [ 9562.697107][ T10] do_syscall_64+0xc6/0x1e0 [ 9562.697107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9562.697107][ T10] [ 9562.699139][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9562.699139][ T10] dst_init+0x84/0x4a0 [ 9562.699139][ T10] dst_alloc+0x97/0x150 [ 9562.699139][ T10] ip6_dst_alloc+0x23/0x90 [ 9562.699139][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9562.699139][ T10] ip6_pol_route+0x56f/0x840 [ 9562.699139][ T10] fib6_rule_lookup+0x334/0x630 [ 9562.699139][ T10] ip6_route_output_flags+0x259/0x480 [ 9562.699139][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9562.699139][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9562.699139][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9562.699139][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9562.699139][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9562.699139][ T10] ___sys_sendmsg+0xee/0x170 [ 9562.699139][ T10] __sys_sendmsg+0xcd/0x170 [ 9562.699139][ T10] do_syscall_64+0xc6/0x1e0 [ 9562.699139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9562.699139][ T10] [ 9562.701168][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9562.701168][ T10] netdev_get_by_index+0x5e/0x80 [ 9562.701168][ T10] fib6_nh_init+0x3d8/0x1580 [ 9562.701168][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9562.701168][ T10] ip6_route_add+0x1c/0x140 [ 9562.701168][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9562.701168][ T10] inet6_addr_add+0x4f8/0xa40 [ 9562.701168][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9562.701168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9562.701168][ T10] netlink_rcv_skb+0x130/0x360 [ 9562.701168][ T10] netlink_unicast+0x449/0x710 [ 9562.701168][ T10] netlink_sendmsg+0x723/0xbe0 [ 9562.701168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9562.701168][ T10] ___sys_sendmsg+0xee/0x170 [ 9562.701168][ T10] __sys_sendmsg+0xcd/0x170 [ 9562.701168][ T10] do_syscall_64+0xc6/0x1e0 [ 9562.701168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9562.701168][ T10] [ 9562.703188][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9562.703188][ T10] netdev_get_by_index+0x5e/0x80 [ 9562.703188][ T10] fib6_nh_init+0x3d8/0x1580 [ 9562.703188][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9562.703188][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9562.703188][ T10] ipv6_add_addr+0x411/0x2000 [ 9562.703188][ T10] inet6_addr_add+0x30e/0xa40 [ 9562.703188][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9562.703188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9562.703188][ T10] netlink_rcv_skb+0x130/0x360 [ 9562.703188][ T10] netlink_unicast+0x449/0x710 [ 9562.703188][ T10] netlink_sendmsg+0x723/0xbe0 [ 9562.703188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9562.703188][ T10] ___sys_sendmsg+0xee/0x170 [ 9562.703188][ T10] __sys_sendmsg+0xcd/0x170 [ 9562.703188][ T10] do_syscall_64+0xc6/0x1e0 [ 9562.703188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9562.703188][ T10] [ 9562.705201][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9562.705201][ T10] netdev_get_by_index+0x5e/0x80 [ 9562.705201][ T10] fib6_nh_init+0x3d8/0x1580 [ 9562.705201][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9562.705201][ T10] ip6_route_add+0x1c/0x140 [ 9562.705201][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9562.705201][ T10] addrconf_add_dev+0xe2/0x170 [ 9562.705201][ T10] inet6_addr_add+0x12f/0xa40 [ 9562.705201][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9562.705201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9562.705201][ T10] netlink_rcv_skb+0x130/0x360 [ 9562.705201][ T10] netlink_unicast+0x449/0x710 [ 9562.705201][ T10] netlink_sendmsg+0x723/0xbe0 [ 9562.705201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9562.705201][ T10] ___sys_sendmsg+0xee/0x170 [ 9562.705201][ T10] __sys_sendmsg+0xcd/0x170 [ 9562.705201][ T10] do_syscall_64+0xc6/0x1e0 [ 9562.705201][ T10] [ 9562.707181][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9562.707181][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9562.707181][ T10] ipv6_find_idev+0x102/0x170 [ 9562.707181][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9562.707181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9562.707181][ T10] netlink_rcv_skb+0x130/0x360 [ 9562.707181][ T10] netlink_unicast+0x449/0x710 [ 9562.707181][ T10] netlink_sendmsg+0x723/0xbe0 [ 9562.707181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9562.707181][ T10] ___sys_sendmsg+0xee/0x170 [ 9562.707181][ T10] __sys_sendmsg+0xcd/0x170 [ 9562.707181][ T10] do_syscall_64+0xc6/0x1e0 [ 9562.707181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9562.707181][ T10] [ 9562.708727][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9562.708727][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9562.708727][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9562.708727][ T10] ipv6_find_idev+0x102/0x170 [ 9562.708727][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9562.708727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9562.708727][ T10] netlink_rcv_skb+0x130/0x360 [ 9562.708727][ T10] netlink_unicast+0x449/0x710 [ 9562.708727][ T10] netlink_sendmsg+0x723/0xbe0 [ 9562.708727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9562.708727][ T10] ___sys_sendmsg+0xee/0x170 [ 9562.708727][ T10] __sys_sendmsg+0xcd/0x170 [ 9562.708727][ T10] do_syscall_64+0xc6/0x1e0 [ 9562.708727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9562.708727][ T10] [ 9572.406823][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9572.407263][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9572.407263][T12167] netdev_get_by_index+0x5e/0x80 [ 9572.407263][T12167] fib6_nh_init+0x3d8/0x1580 [ 9572.407263][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9572.407263][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9572.407263][T12167] ipv6_add_addr+0x411/0x2000 [ 9572.407263][T12167] inet6_addr_add+0x30e/0xa40 [ 9572.407263][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9572.407263][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9572.407263][T12167] netlink_rcv_skb+0x130/0x360 [ 9572.407263][T12167] netlink_unicast+0x449/0x710 [ 9572.407263][T12167] netlink_sendmsg+0x723/0xbe0 [ 9572.407263][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9572.407263][T12167] ___sys_sendmsg+0xee/0x170 [ 9572.407263][T12167] __sys_sendmsg+0xcd/0x170 [ 9572.407263][T12167] do_syscall_64+0xc6/0x1e0 [ 9572.407263][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9572.407263][T12167] [ 9572.409571][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9572.409571][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9572.409571][T12167] ipv6_find_idev+0x102/0x170 [ 9572.409571][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9572.409571][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9572.409571][T12167] netlink_rcv_skb+0x130/0x360 [ 9572.409571][T12167] netlink_unicast+0x449/0x710 [ 9572.409571][T12167] netlink_sendmsg+0x723/0xbe0 [ 9572.409571][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9572.409571][T12167] ___sys_sendmsg+0xee/0x170 [ 9572.409571][T12167] __sys_sendmsg+0xcd/0x170 [ 9572.409571][T12167] do_syscall_64+0xc6/0x1e0 [ 9572.409571][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9572.409571][T12167] [ 9572.411336][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9572.411336][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9572.411336][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9572.411336][T12167] ipv6_find_idev+0x102/0x170 [ 9572.411336][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9572.411336][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9572.411336][T12167] netlink_rcv_skb+0x130/0x360 [ 9572.411336][T12167] netlink_unicast+0x449/0x710 [ 9572.411336][T12167] netlink_sendmsg+0x723/0xbe0 [ 9572.411336][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9572.411336][T12167] ___sys_sendmsg+0xee/0x170 [ 9572.411336][T12167] __sys_sendmsg+0xcd/0x170 [ 9572.411336][T12167] do_syscall_64+0xc6/0x1e0 [ 9572.411336][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9572.411336][T12167] [ 9572.950764][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9572.951154][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9572.951154][ T10] dst_init+0x84/0x4a0 [ 9572.951154][ T10] dst_alloc+0x97/0x150 [ 9572.951154][ T10] ip6_dst_alloc+0x23/0x90 [ 9572.951154][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9572.951154][ T10] ip6_pol_route+0x56f/0x840 [ 9572.951154][ T10] fib6_rule_lookup+0x334/0x630 [ 9572.951154][ T10] ip6_route_output_flags+0x259/0x480 [ 9572.951154][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9572.951154][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9572.951154][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9572.951154][ T10] ____sys_sendmsg+0x772/0xa10 [ 9572.951154][ T10] ___sys_sendmsg+0xee/0x170 [ 9572.951154][ T10] __sys_sendmsg+0xcd/0x170 [ 9572.951154][ T10] do_syscall_64+0xc6/0x1e0 [ 9572.951154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9572.951154][ T10] [ 9572.953074][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9572.953074][ T10] dst_init+0x84/0x4a0 [ 9572.953074][ T10] dst_alloc+0x97/0x150 [ 9572.953074][ T10] ip6_dst_alloc+0x23/0x90 [ 9572.953074][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9572.953074][ T10] ip6_pol_route+0x56f/0x840 [ 9572.953074][ T10] fib6_rule_lookup+0x334/0x630 [ 9572.953074][ T10] ip6_route_output_flags+0x259/0x480 [ 9572.953074][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9572.953074][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9572.953074][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9572.953074][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9572.953074][ T10] ____sys_sendmsg+0x772/0xa10 [ 9572.953074][ T10] ___sys_sendmsg+0xee/0x170 [ 9572.953074][ T10] __sys_sendmsg+0xcd/0x170 [ 9572.953074][ T10] do_syscall_64+0xc6/0x1e0 [ 9572.953074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9572.953074][ T10] [ 9572.955078][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9572.955078][ T10] dst_init+0x84/0x4a0 [ 9572.955078][ T10] dst_alloc+0x97/0x150 [ 9572.955078][ T10] ip6_dst_alloc+0x23/0x90 [ 9572.955078][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9572.955078][ T10] ip6_pol_route+0x56f/0x840 [ 9572.955078][ T10] fib6_rule_lookup+0x334/0x630 [ 9572.955078][ T10] ip6_route_output_flags+0x259/0x480 [ 9572.955078][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9572.955078][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9572.955078][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9572.955078][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9572.955078][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9572.955078][ T10] ___sys_sendmsg+0xee/0x170 [ 9572.955078][ T10] __sys_sendmsg+0xcd/0x170 [ 9572.955078][ T10] do_syscall_64+0xc6/0x1e0 [ 9572.955078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9572.955078][ T10] [ 9572.957087][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9572.957087][ T10] netdev_get_by_index+0x5e/0x80 [ 9572.957087][ T10] fib6_nh_init+0x3d8/0x1580 [ 9572.957087][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9572.957087][ T10] ip6_route_add+0x1c/0x140 [ 9572.957087][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9572.957087][ T10] inet6_addr_add+0x4f8/0xa40 [ 9572.957087][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9572.957087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9572.957087][ T10] netlink_rcv_skb+0x130/0x360 [ 9572.957087][ T10] netlink_unicast+0x449/0x710 [ 9572.957087][ T10] netlink_sendmsg+0x723/0xbe0 [ 9572.957087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9572.957087][ T10] ___sys_sendmsg+0xee/0x170 [ 9572.957087][ T10] __sys_sendmsg+0xcd/0x170 [ 9572.957087][ T10] do_syscall_64+0xc6/0x1e0 [ 9572.957087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9572.957087][ T10] [ 9572.959097][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9572.959097][ T10] netdev_get_by_index+0x5e/0x80 [ 9572.959097][ T10] fib6_nh_init+0x3d8/0x1580 [ 9572.959097][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9572.959097][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9572.959097][ T10] ipv6_add_addr+0x411/0x2000 [ 9572.959097][ T10] inet6_addr_add+0x30e/0xa40 [ 9572.959097][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9572.959097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9572.959097][ T10] netlink_rcv_skb+0x130/0x360 [ 9572.959097][ T10] netlink_unicast+0x449/0x710 [ 9572.959097][ T10] netlink_sendmsg+0x723/0xbe0 [ 9572.959097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9572.959097][ T10] ___sys_sendmsg+0xee/0x170 [ 9572.959097][ T10] __sys_sendmsg+0xcd/0x170 [ 9572.959097][ T10] do_syscall_64+0xc6/0x1e0 [ 9572.959097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9572.959097][ T10] [ 9572.961105][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9572.961105][ T10] netdev_get_by_index+0x5e/0x80 [ 9572.961105][ T10] fib6_nh_init+0x3d8/0x1580 [ 9572.961105][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9572.961105][ T10] ip6_route_add+0x1c/0x140 [ 9572.961105][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9572.961105][ T10] addrconf_add_dev+0xe2/0x170 [ 9572.961105][ T10] inet6_addr_add+0x12f/0xa40 [ 9572.961105][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9572.961105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9572.961105][ T10] netlink_rcv_skb+0x130/0x360 [ 9572.961105][ T10] netlink_unicast+0x449/0x710 [ 9572.961105][ T10] netlink_sendmsg+0x723/0xbe0 [ 9572.961105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9572.961105][ T10] ___sys_sendmsg+0xee/0x170 [ 9572.961105][ T10] __sys_sendmsg+0xcd/0x170 [ 9572.961105][ T10] do_syscall_64+0xc6/0x1e0 [ 9572.961105][ T10] [ 9572.963062][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9572.963062][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9572.963062][ T10] ipv6_find_idev+0x102/0x170 [ 9572.963062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9572.963062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9572.963062][ T10] netlink_rcv_skb+0x130/0x360 [ 9572.963062][ T10] netlink_unicast+0x449/0x710 [ 9572.963062][ T10] netlink_sendmsg+0x723/0xbe0 [ 9572.963062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9572.963062][ T10] ___sys_sendmsg+0xee/0x170 [ 9572.963062][ T10] __sys_sendmsg+0xcd/0x170 [ 9572.963062][ T10] do_syscall_64+0xc6/0x1e0 [ 9572.963062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9572.963062][ T10] [ 9572.964606][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9572.964606][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9572.964606][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9572.964606][ T10] ipv6_find_idev+0x102/0x170 [ 9572.964606][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9572.964606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9572.964606][ T10] netlink_rcv_skb+0x130/0x360 [ 9572.964606][ T10] netlink_unicast+0x449/0x710 [ 9572.964606][ T10] netlink_sendmsg+0x723/0xbe0 [ 9572.964606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9572.964606][ T10] ___sys_sendmsg+0xee/0x170 [ 9572.964606][ T10] __sys_sendmsg+0xcd/0x170 [ 9572.964606][ T10] do_syscall_64+0xc6/0x1e0 [ 9572.964606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9572.964606][ T10] [ 9582.654805][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9582.655262][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9582.655262][T12167] netdev_get_by_index+0x5e/0x80 [ 9582.655262][T12167] fib6_nh_init+0x3d8/0x1580 [ 9582.655262][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9582.655262][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9582.655262][T12167] ipv6_add_addr+0x411/0x2000 [ 9582.655262][T12167] inet6_addr_add+0x30e/0xa40 [ 9582.655262][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9582.655262][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9582.655262][T12167] netlink_rcv_skb+0x130/0x360 [ 9582.655262][T12167] netlink_unicast+0x449/0x710 [ 9582.655262][T12167] netlink_sendmsg+0x723/0xbe0 [ 9582.655262][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9582.655262][T12167] ___sys_sendmsg+0xee/0x170 [ 9582.655262][T12167] __sys_sendmsg+0xcd/0x170 [ 9582.655262][T12167] do_syscall_64+0xc6/0x1e0 [ 9582.655262][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9582.655262][T12167] [ 9582.657572][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9582.657572][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9582.657572][T12167] ipv6_find_idev+0x102/0x170 [ 9582.657572][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9582.657572][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9582.657572][T12167] netlink_rcv_skb+0x130/0x360 [ 9582.657572][T12167] netlink_unicast+0x449/0x710 [ 9582.657572][T12167] netlink_sendmsg+0x723/0xbe0 [ 9582.657572][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9582.657572][T12167] ___sys_sendmsg+0xee/0x170 [ 9582.657572][T12167] __sys_sendmsg+0xcd/0x170 [ 9582.657572][T12167] do_syscall_64+0xc6/0x1e0 [ 9582.657572][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9582.657572][T12167] [ 9582.659315][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9582.659315][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9582.659315][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9582.659315][T12167] ipv6_find_idev+0x102/0x170 [ 9582.659315][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9582.659315][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9582.659315][T12167] netlink_rcv_skb+0x130/0x360 [ 9582.659315][T12167] netlink_unicast+0x449/0x710 [ 9582.659315][T12167] netlink_sendmsg+0x723/0xbe0 [ 9582.659315][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9582.659315][T12167] ___sys_sendmsg+0xee/0x170 [ 9582.659315][T12167] __sys_sendmsg+0xcd/0x170 [ 9582.659315][T12167] do_syscall_64+0xc6/0x1e0 [ 9582.659315][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9582.659315][T12167] [ 9583.214726][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9583.215121][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9583.215121][ T10] dst_init+0x84/0x4a0 [ 9583.215121][ T10] dst_alloc+0x97/0x150 [ 9583.215121][ T10] ip6_dst_alloc+0x23/0x90 [ 9583.215121][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9583.215121][ T10] ip6_pol_route+0x56f/0x840 [ 9583.215121][ T10] fib6_rule_lookup+0x334/0x630 [ 9583.215121][ T10] ip6_route_output_flags+0x259/0x480 [ 9583.215121][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9583.215121][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9583.215121][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9583.215121][ T10] ____sys_sendmsg+0x772/0xa10 [ 9583.215121][ T10] ___sys_sendmsg+0xee/0x170 [ 9583.215121][ T10] __sys_sendmsg+0xcd/0x170 [ 9583.215121][ T10] do_syscall_64+0xc6/0x1e0 [ 9583.215121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9583.215121][ T10] [ 9583.217115][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9583.217115][ T10] dst_init+0x84/0x4a0 [ 9583.217115][ T10] dst_alloc+0x97/0x150 [ 9583.217115][ T10] ip6_dst_alloc+0x23/0x90 [ 9583.217115][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9583.217115][ T10] ip6_pol_route+0x56f/0x840 [ 9583.217115][ T10] fib6_rule_lookup+0x334/0x630 [ 9583.217115][ T10] ip6_route_output_flags+0x259/0x480 [ 9583.217115][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9583.217115][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9583.217115][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9583.217115][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9583.217115][ T10] ____sys_sendmsg+0x772/0xa10 [ 9583.217115][ T10] ___sys_sendmsg+0xee/0x170 [ 9583.217115][ T10] __sys_sendmsg+0xcd/0x170 [ 9583.217115][ T10] do_syscall_64+0xc6/0x1e0 [ 9583.217115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9583.217115][ T10] [ 9583.219125][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9583.219125][ T10] dst_init+0x84/0x4a0 [ 9583.219125][ T10] dst_alloc+0x97/0x150 [ 9583.219125][ T10] ip6_dst_alloc+0x23/0x90 [ 9583.219125][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9583.219125][ T10] ip6_pol_route+0x56f/0x840 [ 9583.219125][ T10] fib6_rule_lookup+0x334/0x630 [ 9583.219125][ T10] ip6_route_output_flags+0x259/0x480 [ 9583.219125][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9583.219125][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9583.219125][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9583.219125][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9583.219125][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9583.219125][ T10] ___sys_sendmsg+0xee/0x170 [ 9583.219125][ T10] __sys_sendmsg+0xcd/0x170 [ 9583.219125][ T10] do_syscall_64+0xc6/0x1e0 [ 9583.219125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9583.219125][ T10] [ 9583.221139][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9583.221139][ T10] netdev_get_by_index+0x5e/0x80 [ 9583.221139][ T10] fib6_nh_init+0x3d8/0x1580 [ 9583.221139][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9583.221139][ T10] ip6_route_add+0x1c/0x140 [ 9583.221139][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9583.221139][ T10] inet6_addr_add+0x4f8/0xa40 [ 9583.221139][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9583.221139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9583.221139][ T10] netlink_rcv_skb+0x130/0x360 [ 9583.221139][ T10] netlink_unicast+0x449/0x710 [ 9583.221139][ T10] netlink_sendmsg+0x723/0xbe0 [ 9583.221139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9583.221139][ T10] ___sys_sendmsg+0xee/0x170 [ 9583.221139][ T10] __sys_sendmsg+0xcd/0x170 [ 9583.221139][ T10] do_syscall_64+0xc6/0x1e0 [ 9583.221139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9583.221139][ T10] [ 9583.223148][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9583.223148][ T10] netdev_get_by_index+0x5e/0x80 [ 9583.223148][ T10] fib6_nh_init+0x3d8/0x1580 [ 9583.223148][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9583.223148][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9583.223148][ T10] ipv6_add_addr+0x411/0x2000 [ 9583.223148][ T10] inet6_addr_add+0x30e/0xa40 [ 9583.223148][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9583.223148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9583.223148][ T10] netlink_rcv_skb+0x130/0x360 [ 9583.223148][ T10] netlink_unicast+0x449/0x710 [ 9583.223148][ T10] netlink_sendmsg+0x723/0xbe0 [ 9583.223148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9583.223148][ T10] ___sys_sendmsg+0xee/0x170 [ 9583.223148][ T10] __sys_sendmsg+0xcd/0x170 [ 9583.223148][ T10] do_syscall_64+0xc6/0x1e0 [ 9583.223148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9583.223148][ T10] [ 9583.225167][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9583.225167][ T10] netdev_get_by_index+0x5e/0x80 [ 9583.225167][ T10] fib6_nh_init+0x3d8/0x1580 [ 9583.225167][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9583.225167][ T10] ip6_route_add+0x1c/0x140 [ 9583.225167][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9583.225167][ T10] addrconf_add_dev+0xe2/0x170 [ 9583.225167][ T10] inet6_addr_add+0x12f/0xa40 [ 9583.225167][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9583.225167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9583.225167][ T10] netlink_rcv_skb+0x130/0x360 [ 9583.225167][ T10] netlink_unicast+0x449/0x710 [ 9583.225167][ T10] netlink_sendmsg+0x723/0xbe0 [ 9583.225167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9583.225167][ T10] ___sys_sendmsg+0xee/0x170 [ 9583.225167][ T10] __sys_sendmsg+0xcd/0x170 [ 9583.225167][ T10] do_syscall_64+0xc6/0x1e0 [ 9583.225167][ T10] [ 9583.227135][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9583.227135][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9583.227135][ T10] ipv6_find_idev+0x102/0x170 [ 9583.227135][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9583.227135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9583.227135][ T10] netlink_rcv_skb+0x130/0x360 [ 9583.227135][ T10] netlink_unicast+0x449/0x710 [ 9583.227135][ T10] netlink_sendmsg+0x723/0xbe0 [ 9583.227135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9583.227135][ T10] ___sys_sendmsg+0xee/0x170 [ 9583.227135][ T10] __sys_sendmsg+0xcd/0x170 [ 9583.227135][ T10] do_syscall_64+0xc6/0x1e0 [ 9583.227135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9583.227135][ T10] [ 9583.228684][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9583.228684][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9583.228684][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9583.228684][ T10] ipv6_find_idev+0x102/0x170 [ 9583.228684][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9583.228684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9583.228684][ T10] netlink_rcv_skb+0x130/0x360 [ 9583.228684][ T10] netlink_unicast+0x449/0x710 [ 9583.228684][ T10] netlink_sendmsg+0x723/0xbe0 [ 9583.228684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9583.228684][ T10] ___sys_sendmsg+0xee/0x170 [ 9583.228684][ T10] __sys_sendmsg+0xcd/0x170 [ 9583.228684][ T10] do_syscall_64+0xc6/0x1e0 [ 9583.228684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9583.228684][ T10] [ 9585.958820][ T42] INFO: task modprobe:12646 blocked for more than 860 seconds. [ 9585.959121][ T42] Not tainted 6.8.0-virtme #1 [ 9585.959240][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 9585.959439][ T42] task:modprobe state:D stack:25856 pid:12646 tgid:12646 ppid:44 flags:0x00004002 [ 9585.959729][ T42] Call Trace: [ 9585.959825][ T42] [ 9585.959898][ T42] __schedule+0x705/0x1ac0 [ 9585.960035][ T42] ? __pfx___schedule+0x10/0x10 [ 9585.960159][ T42] ? schedule+0x1a5/0x210 [ 9585.960256][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 9585.960389][ T42] ? mark_lock+0x38/0x3e0 [ 9585.960483][ T42] ? do_raw_spin_lock+0x131/0x270 [ 9585.960609][ T42] ? schedule+0x1a5/0x210 [ 9585.960728][ T42] schedule+0xdf/0x210 [ 9585.960825][ T42] schedule_preempt_disabled+0x15/0x30 [ 9585.960952][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 9585.961084][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 9585.961240][ T42] ? __pfx_console_unlock+0x10/0x10 [ 9585.961364][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 9585.961494][ T42] ? lock_acquire+0x1c1/0x220 [ 9585.961618][ T42] ? register_pernet_subsys+0x1a/0x50 [ 9585.961758][ T42] down_write+0x1c9/0x200 [ 9585.961854][ T42] ? __pfx_down_write+0x10/0x10 [ 9585.961979][ T42] ? __pfx__printk+0x10/0x10 [ 9585.962110][ T42] ? __pfx___lock_release+0x10/0x10 [ 9585.962238][ T42] register_pernet_subsys+0x1a/0x50 [ 9585.962361][ T42] tcf_register_action+0xa3/0x600 [ 9585.962487][ T42] ? __pfx_gact_init_module+0x10/0x10 [act_gact] [ 9585.962646][ T42] do_one_initcall+0xc8/0x3f0 [ 9585.962781][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 9585.962910][ T42] ? __create_object+0x5e/0xb0 [ 9585.963041][ T42] ? kasan_unpoison+0x27/0x60 [ 9585.963169][ T42] do_init_module+0x233/0x740 [ 9585.963304][ T42] load_module+0x16b5/0x2350 [ 9585.963439][ T42] ? __pfx_load_module+0x10/0x10 [ 9585.963562][ T42] ? kernel_read_file+0x3d2/0x520 [ 9585.963705][ T42] ? kernel_read_file+0x300/0x520 [ 9585.963834][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 9585.963964][ T42] ? init_module_from_file+0xd2/0x130 [ 9585.964090][ T42] init_module_from_file+0xd2/0x130 [ 9585.964213][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 9585.964367][ T42] ? __lock_release+0x103/0x460 [ 9585.964491][ T42] ? idempotent_init_module+0x32a/0x620 [ 9585.964625][ T42] ? idempotent_init_module+0x32a/0x620 [ 9585.964768][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 9585.964897][ T42] idempotent_init_module+0x342/0x620 [ 9585.965023][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 9585.965196][ T42] __x64_sys_finit_module+0xbe/0x130 [ 9585.965325][ T42] do_syscall_64+0xc6/0x1e0 [ 9585.965452][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9585.965606][ T42] RIP: 0033:0x7fac120f1e5d [ 9585.965741][ T42] RSP: 002b:00007ffc57d8a578 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 9585.965926][ T42] RAX: ffffffffffffffda RBX: 0000557fdddd7c80 RCX: 00007fac120f1e5d [ 9585.966115][ T42] RDX: 0000000000000000 RSI: 0000557fb6aeba2a RDI: 0000000000000000 [ 9585.966295][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffc57d8a6b0 [ 9585.966476][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557fb6aeba2a [ 9585.966657][ T42] R13: 0000557fdddd7ac0 R14: 0000557fdddd80b0 R15: 0000557fdddd7cf1 [ 9585.966870][ T42] [ 9585.966964][ T42] [ 9585.966964][ T42] Showing all locks held in the system: [ 9585.967145][ T42] 3 locks held by kworker/u16:0/10: [ 9585.967265][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 9585.967514][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 9585.967743][ T42] #2: ffffffff91f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 9585.967965][ T42] 1 lock held by khungtaskd/42: [ 9585.968082][ T42] #0: ffffffff917591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 9585.968301][ T42] 2 locks held by kworker/u17:1/44: [ 9585.968422][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 9585.968668][ T42] #1: ffffc90000317da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 9585.968957][ T42] 1 lock held by modprobe/12646: [ 9585.969074][ T42] #0: ffffffff91f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 9585.969322][ T42] [ 9585.969383][ T42] ============================================= [ 9585.969383][ T42] [ 9592.902797][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9592.903255][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9592.903255][T12167] netdev_get_by_index+0x5e/0x80 [ 9592.903255][T12167] fib6_nh_init+0x3d8/0x1580 [ 9592.903255][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9592.903255][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9592.903255][T12167] ipv6_add_addr+0x411/0x2000 [ 9592.903255][T12167] inet6_addr_add+0x30e/0xa40 [ 9592.903255][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9592.903255][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9592.903255][T12167] netlink_rcv_skb+0x130/0x360 [ 9592.903255][T12167] netlink_unicast+0x449/0x710 [ 9592.903255][T12167] netlink_sendmsg+0x723/0xbe0 [ 9592.903255][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9592.903255][T12167] ___sys_sendmsg+0xee/0x170 [ 9592.903255][T12167] __sys_sendmsg+0xcd/0x170 [ 9592.903255][T12167] do_syscall_64+0xc6/0x1e0 [ 9592.903255][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9592.903255][T12167] [ 9592.905538][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9592.905538][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9592.905538][T12167] ipv6_find_idev+0x102/0x170 [ 9592.905538][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9592.905538][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9592.905538][T12167] netlink_rcv_skb+0x130/0x360 [ 9592.905538][T12167] netlink_unicast+0x449/0x710 [ 9592.905538][T12167] netlink_sendmsg+0x723/0xbe0 [ 9592.905538][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9592.905538][T12167] ___sys_sendmsg+0xee/0x170 [ 9592.905538][T12167] __sys_sendmsg+0xcd/0x170 [ 9592.905538][T12167] do_syscall_64+0xc6/0x1e0 [ 9592.905538][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9592.905538][T12167] [ 9592.907287][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9592.907287][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9592.907287][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9592.907287][T12167] ipv6_find_idev+0x102/0x170 [ 9592.907287][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9592.907287][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9592.907287][T12167] netlink_rcv_skb+0x130/0x360 [ 9592.907287][T12167] netlink_unicast+0x449/0x710 [ 9592.907287][T12167] netlink_sendmsg+0x723/0xbe0 [ 9592.907287][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9592.907287][T12167] ___sys_sendmsg+0xee/0x170 [ 9592.907287][T12167] __sys_sendmsg+0xcd/0x170 [ 9592.907287][T12167] do_syscall_64+0xc6/0x1e0 [ 9592.907287][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9592.907287][T12167] [ 9593.470805][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9593.471269][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9593.471269][ T10] dst_init+0x84/0x4a0 [ 9593.471269][ T10] dst_alloc+0x97/0x150 [ 9593.471269][ T10] ip6_dst_alloc+0x23/0x90 [ 9593.471269][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9593.471269][ T10] ip6_pol_route+0x56f/0x840 [ 9593.471269][ T10] fib6_rule_lookup+0x334/0x630 [ 9593.471269][ T10] ip6_route_output_flags+0x259/0x480 [ 9593.471269][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9593.471269][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9593.471269][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9593.471269][ T10] ____sys_sendmsg+0x772/0xa10 [ 9593.471269][ T10] ___sys_sendmsg+0xee/0x170 [ 9593.471269][ T10] __sys_sendmsg+0xcd/0x170 [ 9593.471269][ T10] do_syscall_64+0xc6/0x1e0 [ 9593.471269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9593.471269][ T10] [ 9593.473183][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9593.473183][ T10] dst_init+0x84/0x4a0 [ 9593.473183][ T10] dst_alloc+0x97/0x150 [ 9593.473183][ T10] ip6_dst_alloc+0x23/0x90 [ 9593.473183][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9593.473183][ T10] ip6_pol_route+0x56f/0x840 [ 9593.473183][ T10] fib6_rule_lookup+0x334/0x630 [ 9593.473183][ T10] ip6_route_output_flags+0x259/0x480 [ 9593.473183][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9593.473183][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9593.473183][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9593.473183][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9593.473183][ T10] ____sys_sendmsg+0x772/0xa10 [ 9593.473183][ T10] ___sys_sendmsg+0xee/0x170 [ 9593.473183][ T10] __sys_sendmsg+0xcd/0x170 [ 9593.473183][ T10] do_syscall_64+0xc6/0x1e0 [ 9593.473183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9593.473183][ T10] [ 9593.475201][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9593.475201][ T10] dst_init+0x84/0x4a0 [ 9593.475201][ T10] dst_alloc+0x97/0x150 [ 9593.475201][ T10] ip6_dst_alloc+0x23/0x90 [ 9593.475201][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9593.475201][ T10] ip6_pol_route+0x56f/0x840 [ 9593.475201][ T10] fib6_rule_lookup+0x334/0x630 [ 9593.475201][ T10] ip6_route_output_flags+0x259/0x480 [ 9593.475201][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9593.475201][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9593.475201][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9593.475201][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9593.475201][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9593.475201][ T10] ___sys_sendmsg+0xee/0x170 [ 9593.475201][ T10] __sys_sendmsg+0xcd/0x170 [ 9593.475201][ T10] do_syscall_64+0xc6/0x1e0 [ 9593.475201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9593.475201][ T10] [ 9593.477212][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9593.477212][ T10] netdev_get_by_index+0x5e/0x80 [ 9593.477212][ T10] fib6_nh_init+0x3d8/0x1580 [ 9593.477212][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9593.477212][ T10] ip6_route_add+0x1c/0x140 [ 9593.477212][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9593.477212][ T10] inet6_addr_add+0x4f8/0xa40 [ 9593.477212][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9593.477212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9593.477212][ T10] netlink_rcv_skb+0x130/0x360 [ 9593.477212][ T10] netlink_unicast+0x449/0x710 [ 9593.477212][ T10] netlink_sendmsg+0x723/0xbe0 [ 9593.477212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9593.477212][ T10] ___sys_sendmsg+0xee/0x170 [ 9593.477212][ T10] __sys_sendmsg+0xcd/0x170 [ 9593.477212][ T10] do_syscall_64+0xc6/0x1e0 [ 9593.477212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9593.477212][ T10] [ 9593.479231][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9593.479231][ T10] netdev_get_by_index+0x5e/0x80 [ 9593.479231][ T10] fib6_nh_init+0x3d8/0x1580 [ 9593.479231][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9593.479231][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9593.479231][ T10] ipv6_add_addr+0x411/0x2000 [ 9593.479231][ T10] inet6_addr_add+0x30e/0xa40 [ 9593.479231][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9593.479231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9593.479231][ T10] netlink_rcv_skb+0x130/0x360 [ 9593.479231][ T10] netlink_unicast+0x449/0x710 [ 9593.479231][ T10] netlink_sendmsg+0x723/0xbe0 [ 9593.479231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9593.479231][ T10] ___sys_sendmsg+0xee/0x170 [ 9593.479231][ T10] __sys_sendmsg+0xcd/0x170 [ 9593.479231][ T10] do_syscall_64+0xc6/0x1e0 [ 9593.479231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9593.479231][ T10] [ 9593.481234][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9593.481234][ T10] netdev_get_by_index+0x5e/0x80 [ 9593.481234][ T10] fib6_nh_init+0x3d8/0x1580 [ 9593.481234][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9593.481234][ T10] ip6_route_add+0x1c/0x140 [ 9593.481234][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9593.481234][ T10] addrconf_add_dev+0xe2/0x170 [ 9593.481234][ T10] inet6_addr_add+0x12f/0xa40 [ 9593.481234][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9593.481234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9593.481234][ T10] netlink_rcv_skb+0x130/0x360 [ 9593.481234][ T10] netlink_unicast+0x449/0x710 [ 9593.481234][ T10] netlink_sendmsg+0x723/0xbe0 [ 9593.481234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9593.481234][ T10] ___sys_sendmsg+0xee/0x170 [ 9593.481234][ T10] __sys_sendmsg+0xcd/0x170 [ 9593.481234][ T10] do_syscall_64+0xc6/0x1e0 [ 9593.481234][ T10] [ 9593.483198][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9593.483198][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9593.483198][ T10] ipv6_find_idev+0x102/0x170 [ 9593.483198][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9593.483198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9593.483198][ T10] netlink_rcv_skb+0x130/0x360 [ 9593.483198][ T10] netlink_unicast+0x449/0x710 [ 9593.483198][ T10] netlink_sendmsg+0x723/0xbe0 [ 9593.483198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9593.483198][ T10] ___sys_sendmsg+0xee/0x170 [ 9593.483198][ T10] __sys_sendmsg+0xcd/0x170 [ 9593.483198][ T10] do_syscall_64+0xc6/0x1e0 [ 9593.483198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9593.483198][ T10] [ 9593.484735][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9593.484735][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9593.484735][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9593.484735][ T10] ipv6_find_idev+0x102/0x170 [ 9593.484735][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9593.484735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9593.484735][ T10] netlink_rcv_skb+0x130/0x360 [ 9593.484735][ T10] netlink_unicast+0x449/0x710 [ 9593.484735][ T10] netlink_sendmsg+0x723/0xbe0 [ 9593.484735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9593.484735][ T10] ___sys_sendmsg+0xee/0x170 [ 9593.484735][ T10] __sys_sendmsg+0xcd/0x170 [ 9593.484735][ T10] do_syscall_64+0xc6/0x1e0 [ 9593.484735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9593.484735][ T10] [ 9603.150797][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9603.151233][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9603.151233][T12167] netdev_get_by_index+0x5e/0x80 [ 9603.151233][T12167] fib6_nh_init+0x3d8/0x1580 [ 9603.151233][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9603.151233][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9603.151233][T12167] ipv6_add_addr+0x411/0x2000 [ 9603.151233][T12167] inet6_addr_add+0x30e/0xa40 [ 9603.151233][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9603.151233][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9603.151233][T12167] netlink_rcv_skb+0x130/0x360 [ 9603.151233][T12167] netlink_unicast+0x449/0x710 [ 9603.151233][T12167] netlink_sendmsg+0x723/0xbe0 [ 9603.151233][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9603.151233][T12167] ___sys_sendmsg+0xee/0x170 [ 9603.151233][T12167] __sys_sendmsg+0xcd/0x170 [ 9603.151233][T12167] do_syscall_64+0xc6/0x1e0 [ 9603.151233][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9603.151233][T12167] [ 9603.153552][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9603.153552][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9603.153552][T12167] ipv6_find_idev+0x102/0x170 [ 9603.153552][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9603.153552][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9603.153552][T12167] netlink_rcv_skb+0x130/0x360 [ 9603.153552][T12167] netlink_unicast+0x449/0x710 [ 9603.153552][T12167] netlink_sendmsg+0x723/0xbe0 [ 9603.153552][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9603.153552][T12167] ___sys_sendmsg+0xee/0x170 [ 9603.153552][T12167] __sys_sendmsg+0xcd/0x170 [ 9603.153552][T12167] do_syscall_64+0xc6/0x1e0 [ 9603.153552][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9603.153552][T12167] [ 9603.155290][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9603.155290][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9603.155290][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9603.155290][T12167] ipv6_find_idev+0x102/0x170 [ 9603.155290][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9603.155290][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9603.155290][T12167] netlink_rcv_skb+0x130/0x360 [ 9603.155290][T12167] netlink_unicast+0x449/0x710 [ 9603.155290][T12167] netlink_sendmsg+0x723/0xbe0 [ 9603.155290][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9603.155290][T12167] ___sys_sendmsg+0xee/0x170 [ 9603.155290][T12167] __sys_sendmsg+0xcd/0x170 [ 9603.155290][T12167] do_syscall_64+0xc6/0x1e0 [ 9603.155290][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9603.155290][T12167] [ 9603.838881][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9603.839755][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9603.839755][ T10] dst_init+0x84/0x4a0 [ 9603.839755][ T10] dst_alloc+0x97/0x150 [ 9603.839755][ T10] ip6_dst_alloc+0x23/0x90 [ 9603.839755][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9603.839755][ T10] ip6_pol_route+0x56f/0x840 [ 9603.839755][ T10] fib6_rule_lookup+0x334/0x630 [ 9603.839755][ T10] ip6_route_output_flags+0x259/0x480 [ 9603.839755][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9603.839755][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9603.839755][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9603.839755][ T10] ____sys_sendmsg+0x772/0xa10 [ 9603.839755][ T10] ___sys_sendmsg+0xee/0x170 [ 9603.839755][ T10] __sys_sendmsg+0xcd/0x170 [ 9603.839755][ T10] do_syscall_64+0xc6/0x1e0 [ 9603.839755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9603.839755][ T10] [ 9603.841720][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9603.841720][ T10] dst_init+0x84/0x4a0 [ 9603.841720][ T10] dst_alloc+0x97/0x150 [ 9603.841720][ T10] ip6_dst_alloc+0x23/0x90 [ 9603.841720][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9603.841720][ T10] ip6_pol_route+0x56f/0x840 [ 9603.841720][ T10] fib6_rule_lookup+0x334/0x630 [ 9603.841720][ T10] ip6_route_output_flags+0x259/0x480 [ 9603.841720][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9603.841720][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9603.841720][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9603.841720][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9603.841720][ T10] ____sys_sendmsg+0x772/0xa10 [ 9603.841720][ T10] ___sys_sendmsg+0xee/0x170 [ 9603.841720][ T10] __sys_sendmsg+0xcd/0x170 [ 9603.841720][ T10] do_syscall_64+0xc6/0x1e0 [ 9603.841720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9603.841720][ T10] [ 9603.843748][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9603.843748][ T10] dst_init+0x84/0x4a0 [ 9603.843748][ T10] dst_alloc+0x97/0x150 [ 9603.843748][ T10] ip6_dst_alloc+0x23/0x90 [ 9603.843748][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9603.843748][ T10] ip6_pol_route+0x56f/0x840 [ 9603.843748][ T10] fib6_rule_lookup+0x334/0x630 [ 9603.843748][ T10] ip6_route_output_flags+0x259/0x480 [ 9603.843748][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9603.843748][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9603.843748][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9603.843748][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9603.843748][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9603.843748][ T10] ___sys_sendmsg+0xee/0x170 [ 9603.843748][ T10] __sys_sendmsg+0xcd/0x170 [ 9603.843748][ T10] do_syscall_64+0xc6/0x1e0 [ 9603.843748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9603.843748][ T10] [ 9603.845780][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9603.845780][ T10] netdev_get_by_index+0x5e/0x80 [ 9603.845780][ T10] fib6_nh_init+0x3d8/0x1580 [ 9603.845780][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9603.845780][ T10] ip6_route_add+0x1c/0x140 [ 9603.845780][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9603.845780][ T10] inet6_addr_add+0x4f8/0xa40 [ 9603.845780][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9603.845780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9603.845780][ T10] netlink_rcv_skb+0x130/0x360 [ 9603.845780][ T10] netlink_unicast+0x449/0x710 [ 9603.845780][ T10] netlink_sendmsg+0x723/0xbe0 [ 9603.845780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9603.845780][ T10] ___sys_sendmsg+0xee/0x170 [ 9603.845780][ T10] __sys_sendmsg+0xcd/0x170 [ 9603.845780][ T10] do_syscall_64+0xc6/0x1e0 [ 9603.845780][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9603.845780][ T10] [ 9603.847816][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9603.847816][ T10] netdev_get_by_index+0x5e/0x80 [ 9603.847816][ T10] fib6_nh_init+0x3d8/0x1580 [ 9603.847816][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9603.847816][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9603.847816][ T10] ipv6_add_addr+0x411/0x2000 [ 9603.847816][ T10] inet6_addr_add+0x30e/0xa40 [ 9603.847816][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9603.847816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9603.847816][ T10] netlink_rcv_skb+0x130/0x360 [ 9603.847816][ T10] netlink_unicast+0x449/0x710 [ 9603.847816][ T10] netlink_sendmsg+0x723/0xbe0 [ 9603.847816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9603.847816][ T10] ___sys_sendmsg+0xee/0x170 [ 9603.847816][ T10] __sys_sendmsg+0xcd/0x170 [ 9603.847816][ T10] do_syscall_64+0xc6/0x1e0 [ 9603.847816][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9603.847816][ T10] [ 9603.849857][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9603.849857][ T10] netdev_get_by_index+0x5e/0x80 [ 9603.849857][ T10] fib6_nh_init+0x3d8/0x1580 [ 9603.849857][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9603.849857][ T10] ip6_route_add+0x1c/0x140 [ 9603.849857][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9603.849857][ T10] addrconf_add_dev+0xe2/0x170 [ 9603.849857][ T10] inet6_addr_add+0x12f/0xa40 [ 9603.849857][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9603.849857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9603.849857][ T10] netlink_rcv_skb+0x130/0x360 [ 9603.849857][ T10] netlink_unicast+0x449/0x710 [ 9603.849857][ T10] netlink_sendmsg+0x723/0xbe0 [ 9603.849857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9603.849857][ T10] ___sys_sendmsg+0xee/0x170 [ 9603.849857][ T10] __sys_sendmsg+0xcd/0x170 [ 9603.849857][ T10] do_syscall_64+0xc6/0x1e0 [ 9603.849857][ T10] [ 9603.851859][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9603.851859][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9603.851859][ T10] ipv6_find_idev+0x102/0x170 [ 9603.851859][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9603.851859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9603.851859][ T10] netlink_rcv_skb+0x130/0x360 [ 9603.851859][ T10] netlink_unicast+0x449/0x710 [ 9603.851859][ T10] netlink_sendmsg+0x723/0xbe0 [ 9603.851859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9603.851859][ T10] ___sys_sendmsg+0xee/0x170 [ 9603.851859][ T10] __sys_sendmsg+0xcd/0x170 [ 9603.851859][ T10] do_syscall_64+0xc6/0x1e0 [ 9603.851859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9603.851859][ T10] [ 9603.853419][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9603.853419][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9603.853419][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9603.853419][ T10] ipv6_find_idev+0x102/0x170 [ 9603.853419][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9603.853419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9603.853419][ T10] netlink_rcv_skb+0x130/0x360 [ 9603.853419][ T10] netlink_unicast+0x449/0x710 [ 9603.853419][ T10] netlink_sendmsg+0x723/0xbe0 [ 9603.853419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9603.853419][ T10] ___sys_sendmsg+0xee/0x170 [ 9603.853419][ T10] __sys_sendmsg+0xcd/0x170 [ 9603.853419][ T10] do_syscall_64+0xc6/0x1e0 [ 9603.853419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9603.853419][ T10] [ 9613.342874][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9613.343359][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9613.343359][T12167] netdev_get_by_index+0x5e/0x80 [ 9613.343359][T12167] fib6_nh_init+0x3d8/0x1580 [ 9613.343359][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9613.343359][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9613.343359][T12167] ipv6_add_addr+0x411/0x2000 [ 9613.343359][T12167] inet6_addr_add+0x30e/0xa40 [ 9613.343359][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9613.343359][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9613.343359][T12167] netlink_rcv_skb+0x130/0x360 [ 9613.343359][T12167] netlink_unicast+0x449/0x710 [ 9613.343359][T12167] netlink_sendmsg+0x723/0xbe0 [ 9613.343359][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9613.343359][T12167] ___sys_sendmsg+0xee/0x170 [ 9613.343359][T12167] __sys_sendmsg+0xcd/0x170 [ 9613.343359][T12167] do_syscall_64+0xc6/0x1e0 [ 9613.343359][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9613.343359][T12167] [ 9613.345645][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9613.345645][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9613.345645][T12167] ipv6_find_idev+0x102/0x170 [ 9613.345645][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9613.345645][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9613.345645][T12167] netlink_rcv_skb+0x130/0x360 [ 9613.345645][T12167] netlink_unicast+0x449/0x710 [ 9613.345645][T12167] netlink_sendmsg+0x723/0xbe0 [ 9613.345645][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9613.345645][T12167] ___sys_sendmsg+0xee/0x170 [ 9613.345645][T12167] __sys_sendmsg+0xcd/0x170 [ 9613.345645][T12167] do_syscall_64+0xc6/0x1e0 [ 9613.345645][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9613.345645][T12167] [ 9613.347386][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9613.347386][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9613.347386][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9613.347386][T12167] ipv6_find_idev+0x102/0x170 [ 9613.347386][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9613.347386][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9613.347386][T12167] netlink_rcv_skb+0x130/0x360 [ 9613.347386][T12167] netlink_unicast+0x449/0x710 [ 9613.347386][T12167] netlink_sendmsg+0x723/0xbe0 [ 9613.347386][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9613.347386][T12167] ___sys_sendmsg+0xee/0x170 [ 9613.347386][T12167] __sys_sendmsg+0xcd/0x170 [ 9613.347386][T12167] do_syscall_64+0xc6/0x1e0 [ 9613.347386][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9613.347386][T12167] [ 9614.102810][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9614.103303][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9614.103303][ T10] dst_init+0x84/0x4a0 [ 9614.103303][ T10] dst_alloc+0x97/0x150 [ 9614.103303][ T10] ip6_dst_alloc+0x23/0x90 [ 9614.103303][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9614.103303][ T10] ip6_pol_route+0x56f/0x840 [ 9614.103303][ T10] fib6_rule_lookup+0x334/0x630 [ 9614.103303][ T10] ip6_route_output_flags+0x259/0x480 [ 9614.103303][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9614.103303][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9614.103303][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9614.103303][ T10] ____sys_sendmsg+0x772/0xa10 [ 9614.103303][ T10] ___sys_sendmsg+0xee/0x170 [ 9614.103303][ T10] __sys_sendmsg+0xcd/0x170 [ 9614.103303][ T10] do_syscall_64+0xc6/0x1e0 [ 9614.103303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9614.103303][ T10] [ 9614.105230][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9614.105230][ T10] dst_init+0x84/0x4a0 [ 9614.105230][ T10] dst_alloc+0x97/0x150 [ 9614.105230][ T10] ip6_dst_alloc+0x23/0x90 [ 9614.105230][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9614.105230][ T10] ip6_pol_route+0x56f/0x840 [ 9614.105230][ T10] fib6_rule_lookup+0x334/0x630 [ 9614.105230][ T10] ip6_route_output_flags+0x259/0x480 [ 9614.105230][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9614.105230][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9614.105230][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9614.105230][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9614.105230][ T10] ____sys_sendmsg+0x772/0xa10 [ 9614.105230][ T10] ___sys_sendmsg+0xee/0x170 [ 9614.105230][ T10] __sys_sendmsg+0xcd/0x170 [ 9614.105230][ T10] do_syscall_64+0xc6/0x1e0 [ 9614.105230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9614.105230][ T10] [ 9614.107261][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9614.107261][ T10] dst_init+0x84/0x4a0 [ 9614.107261][ T10] dst_alloc+0x97/0x150 [ 9614.107261][ T10] ip6_dst_alloc+0x23/0x90 [ 9614.107261][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9614.107261][ T10] ip6_pol_route+0x56f/0x840 [ 9614.107261][ T10] fib6_rule_lookup+0x334/0x630 [ 9614.107261][ T10] ip6_route_output_flags+0x259/0x480 [ 9614.107261][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9614.107261][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9614.107261][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9614.107261][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9614.107261][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9614.107261][ T10] ___sys_sendmsg+0xee/0x170 [ 9614.107261][ T10] __sys_sendmsg+0xcd/0x170 [ 9614.107261][ T10] do_syscall_64+0xc6/0x1e0 [ 9614.107261][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9614.107261][ T10] [ 9614.109293][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9614.109293][ T10] netdev_get_by_index+0x5e/0x80 [ 9614.109293][ T10] fib6_nh_init+0x3d8/0x1580 [ 9614.109293][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9614.109293][ T10] ip6_route_add+0x1c/0x140 [ 9614.109293][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9614.109293][ T10] inet6_addr_add+0x4f8/0xa40 [ 9614.109293][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9614.109293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9614.109293][ T10] netlink_rcv_skb+0x130/0x360 [ 9614.109293][ T10] netlink_unicast+0x449/0x710 [ 9614.109293][ T10] netlink_sendmsg+0x723/0xbe0 [ 9614.109293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9614.109293][ T10] ___sys_sendmsg+0xee/0x170 [ 9614.109293][ T10] __sys_sendmsg+0xcd/0x170 [ 9614.109293][ T10] do_syscall_64+0xc6/0x1e0 [ 9614.109293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9614.109293][ T10] [ 9614.111355][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9614.111355][ T10] netdev_get_by_index+0x5e/0x80 [ 9614.111355][ T10] fib6_nh_init+0x3d8/0x1580 [ 9614.111355][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9614.111355][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9614.111355][ T10] ipv6_add_addr+0x411/0x2000 [ 9614.111355][ T10] inet6_addr_add+0x30e/0xa40 [ 9614.111355][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9614.111355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9614.111355][ T10] netlink_rcv_skb+0x130/0x360 [ 9614.111355][ T10] netlink_unicast+0x449/0x710 [ 9614.111355][ T10] netlink_sendmsg+0x723/0xbe0 [ 9614.111355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9614.111355][ T10] ___sys_sendmsg+0xee/0x170 [ 9614.111355][ T10] __sys_sendmsg+0xcd/0x170 [ 9614.111355][ T10] do_syscall_64+0xc6/0x1e0 [ 9614.111355][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9614.111355][ T10] [ 9614.113385][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9614.113385][ T10] netdev_get_by_index+0x5e/0x80 [ 9614.113385][ T10] fib6_nh_init+0x3d8/0x1580 [ 9614.113385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9614.113385][ T10] ip6_route_add+0x1c/0x140 [ 9614.113385][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9614.113385][ T10] addrconf_add_dev+0xe2/0x170 [ 9614.113385][ T10] inet6_addr_add+0x12f/0xa40 [ 9614.113385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9614.113385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9614.113385][ T10] netlink_rcv_skb+0x130/0x360 [ 9614.113385][ T10] netlink_unicast+0x449/0x710 [ 9614.113385][ T10] netlink_sendmsg+0x723/0xbe0 [ 9614.113385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9614.113385][ T10] ___sys_sendmsg+0xee/0x170 [ 9614.113385][ T10] __sys_sendmsg+0xcd/0x170 [ 9614.113385][ T10] do_syscall_64+0xc6/0x1e0 [ 9614.113385][ T10] [ 9614.115378][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9614.115378][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9614.115378][ T10] ipv6_find_idev+0x102/0x170 [ 9614.115378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9614.115378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9614.115378][ T10] netlink_rcv_skb+0x130/0x360 [ 9614.115378][ T10] netlink_unicast+0x449/0x710 [ 9614.115378][ T10] netlink_sendmsg+0x723/0xbe0 [ 9614.115378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9614.115378][ T10] ___sys_sendmsg+0xee/0x170 [ 9614.115378][ T10] __sys_sendmsg+0xcd/0x170 [ 9614.115378][ T10] do_syscall_64+0xc6/0x1e0 [ 9614.115378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9614.115378][ T10] [ 9614.116944][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9614.116944][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9614.116944][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9614.116944][ T10] ipv6_find_idev+0x102/0x170 [ 9614.116944][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9614.116944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9614.116944][ T10] netlink_rcv_skb+0x130/0x360 [ 9614.116944][ T10] netlink_unicast+0x449/0x710 [ 9614.116944][ T10] netlink_sendmsg+0x723/0xbe0 [ 9614.116944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9614.116944][ T10] ___sys_sendmsg+0xee/0x170 [ 9614.116944][ T10] __sys_sendmsg+0xcd/0x170 [ 9614.116944][ T10] do_syscall_64+0xc6/0x1e0 [ 9614.116944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9614.116944][ T10] [ 9623.350802][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9623.351298][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9623.351298][T12167] netdev_get_by_index+0x5e/0x80 [ 9623.351298][T12167] fib6_nh_init+0x3d8/0x1580 [ 9623.351298][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9623.351298][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9623.351298][T12167] ipv6_add_addr+0x411/0x2000 [ 9623.351298][T12167] inet6_addr_add+0x30e/0xa40 [ 9623.351298][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9623.351298][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9623.351298][T12167] netlink_rcv_skb+0x130/0x360 [ 9623.351298][T12167] netlink_unicast+0x449/0x710 [ 9623.351298][T12167] netlink_sendmsg+0x723/0xbe0 [ 9623.351298][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9623.351298][T12167] ___sys_sendmsg+0xee/0x170 [ 9623.351298][T12167] __sys_sendmsg+0xcd/0x170 [ 9623.351298][T12167] do_syscall_64+0xc6/0x1e0 [ 9623.351298][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9623.351298][T12167] [ 9623.353567][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9623.353567][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9623.353567][T12167] ipv6_find_idev+0x102/0x170 [ 9623.353567][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9623.353567][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9623.353567][T12167] netlink_rcv_skb+0x130/0x360 [ 9623.353567][T12167] netlink_unicast+0x449/0x710 [ 9623.353567][T12167] netlink_sendmsg+0x723/0xbe0 [ 9623.353567][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9623.353567][T12167] ___sys_sendmsg+0xee/0x170 [ 9623.353567][T12167] __sys_sendmsg+0xcd/0x170 [ 9623.353567][T12167] do_syscall_64+0xc6/0x1e0 [ 9623.353567][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9623.353567][T12167] [ 9623.355302][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9623.355302][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9623.355302][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9623.355302][T12167] ipv6_find_idev+0x102/0x170 [ 9623.355302][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9623.355302][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9623.355302][T12167] netlink_rcv_skb+0x130/0x360 [ 9623.355302][T12167] netlink_unicast+0x449/0x710 [ 9623.355302][T12167] netlink_sendmsg+0x723/0xbe0 [ 9623.355302][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9623.355302][T12167] ___sys_sendmsg+0xee/0x170 [ 9623.355302][T12167] __sys_sendmsg+0xcd/0x170 [ 9623.355302][T12167] do_syscall_64+0xc6/0x1e0 [ 9623.355302][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9623.355302][T12167] [ 9624.118778][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9624.119248][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9624.119248][ T10] dst_init+0x84/0x4a0 [ 9624.119248][ T10] dst_alloc+0x97/0x150 [ 9624.119248][ T10] ip6_dst_alloc+0x23/0x90 [ 9624.119248][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9624.119248][ T10] ip6_pol_route+0x56f/0x840 [ 9624.119248][ T10] fib6_rule_lookup+0x334/0x630 [ 9624.119248][ T10] ip6_route_output_flags+0x259/0x480 [ 9624.119248][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9624.119248][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9624.119248][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9624.119248][ T10] ____sys_sendmsg+0x772/0xa10 [ 9624.119248][ T10] ___sys_sendmsg+0xee/0x170 [ 9624.119248][ T10] __sys_sendmsg+0xcd/0x170 [ 9624.119248][ T10] do_syscall_64+0xc6/0x1e0 [ 9624.119248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9624.119248][ T10] [ 9624.121183][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9624.121183][ T10] dst_init+0x84/0x4a0 [ 9624.121183][ T10] dst_alloc+0x97/0x150 [ 9624.121183][ T10] ip6_dst_alloc+0x23/0x90 [ 9624.121183][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9624.121183][ T10] ip6_pol_route+0x56f/0x840 [ 9624.121183][ T10] fib6_rule_lookup+0x334/0x630 [ 9624.121183][ T10] ip6_route_output_flags+0x259/0x480 [ 9624.121183][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9624.121183][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9624.121183][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9624.121183][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9624.121183][ T10] ____sys_sendmsg+0x772/0xa10 [ 9624.121183][ T10] ___sys_sendmsg+0xee/0x170 [ 9624.121183][ T10] __sys_sendmsg+0xcd/0x170 [ 9624.121183][ T10] do_syscall_64+0xc6/0x1e0 [ 9624.121183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9624.121183][ T10] [ 9624.123192][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9624.123192][ T10] dst_init+0x84/0x4a0 [ 9624.123192][ T10] dst_alloc+0x97/0x150 [ 9624.123192][ T10] ip6_dst_alloc+0x23/0x90 [ 9624.123192][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9624.123192][ T10] ip6_pol_route+0x56f/0x840 [ 9624.123192][ T10] fib6_rule_lookup+0x334/0x630 [ 9624.123192][ T10] ip6_route_output_flags+0x259/0x480 [ 9624.123192][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9624.123192][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9624.123192][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9624.123192][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9624.123192][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9624.123192][ T10] ___sys_sendmsg+0xee/0x170 [ 9624.123192][ T10] __sys_sendmsg+0xcd/0x170 [ 9624.123192][ T10] do_syscall_64+0xc6/0x1e0 [ 9624.123192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9624.123192][ T10] [ 9624.125194][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9624.125194][ T10] netdev_get_by_index+0x5e/0x80 [ 9624.125194][ T10] fib6_nh_init+0x3d8/0x1580 [ 9624.125194][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9624.125194][ T10] ip6_route_add+0x1c/0x140 [ 9624.125194][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9624.125194][ T10] inet6_addr_add+0x4f8/0xa40 [ 9624.125194][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9624.125194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9624.125194][ T10] netlink_rcv_skb+0x130/0x360 [ 9624.125194][ T10] netlink_unicast+0x449/0x710 [ 9624.125194][ T10] netlink_sendmsg+0x723/0xbe0 [ 9624.125194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9624.125194][ T10] ___sys_sendmsg+0xee/0x170 [ 9624.125194][ T10] __sys_sendmsg+0xcd/0x170 [ 9624.125194][ T10] do_syscall_64+0xc6/0x1e0 [ 9624.125194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9624.125194][ T10] [ 9624.127207][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9624.127207][ T10] netdev_get_by_index+0x5e/0x80 [ 9624.127207][ T10] fib6_nh_init+0x3d8/0x1580 [ 9624.127207][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9624.127207][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9624.127207][ T10] ipv6_add_addr+0x411/0x2000 [ 9624.127207][ T10] inet6_addr_add+0x30e/0xa40 [ 9624.127207][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9624.127207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9624.127207][ T10] netlink_rcv_skb+0x130/0x360 [ 9624.127207][ T10] netlink_unicast+0x449/0x710 [ 9624.127207][ T10] netlink_sendmsg+0x723/0xbe0 [ 9624.127207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9624.127207][ T10] ___sys_sendmsg+0xee/0x170 [ 9624.127207][ T10] __sys_sendmsg+0xcd/0x170 [ 9624.127207][ T10] do_syscall_64+0xc6/0x1e0 [ 9624.127207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9624.127207][ T10] [ 9624.129221][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9624.129221][ T10] netdev_get_by_index+0x5e/0x80 [ 9624.129221][ T10] fib6_nh_init+0x3d8/0x1580 [ 9624.129221][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9624.129221][ T10] ip6_route_add+0x1c/0x140 [ 9624.129221][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9624.129221][ T10] addrconf_add_dev+0xe2/0x170 [ 9624.129221][ T10] inet6_addr_add+0x12f/0xa40 [ 9624.129221][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9624.129221][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9624.129221][ T10] netlink_rcv_skb+0x130/0x360 [ 9624.129221][ T10] netlink_unicast+0x449/0x710 [ 9624.129221][ T10] netlink_sendmsg+0x723/0xbe0 [ 9624.129221][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9624.129221][ T10] ___sys_sendmsg+0xee/0x170 [ 9624.129221][ T10] __sys_sendmsg+0xcd/0x170 [ 9624.129221][ T10] do_syscall_64+0xc6/0x1e0 [ 9624.129221][ T10] [ 9624.131200][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9624.131200][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9624.131200][ T10] ipv6_find_idev+0x102/0x170 [ 9624.131200][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9624.131200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9624.131200][ T10] netlink_rcv_skb+0x130/0x360 [ 9624.131200][ T10] netlink_unicast+0x449/0x710 [ 9624.131200][ T10] netlink_sendmsg+0x723/0xbe0 [ 9624.131200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9624.131200][ T10] ___sys_sendmsg+0xee/0x170 [ 9624.131200][ T10] __sys_sendmsg+0xcd/0x170 [ 9624.131200][ T10] do_syscall_64+0xc6/0x1e0 [ 9624.131200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9624.131200][ T10] [ 9624.132747][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9624.132747][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9624.132747][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9624.132747][ T10] ipv6_find_idev+0x102/0x170 [ 9624.132747][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9624.132747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9624.132747][ T10] netlink_rcv_skb+0x130/0x360 [ 9624.132747][ T10] netlink_unicast+0x449/0x710 [ 9624.132747][ T10] netlink_sendmsg+0x723/0xbe0 [ 9624.132747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9624.132747][ T10] ___sys_sendmsg+0xee/0x170 [ 9624.132747][ T10] __sys_sendmsg+0xcd/0x170 [ 9624.132747][ T10] do_syscall_64+0xc6/0x1e0 [ 9624.132747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9624.132747][ T10] [ 9633.606875][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9633.607367][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9633.607367][T12167] netdev_get_by_index+0x5e/0x80 [ 9633.607367][T12167] fib6_nh_init+0x3d8/0x1580 [ 9633.607367][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9633.607367][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9633.607367][T12167] ipv6_add_addr+0x411/0x2000 [ 9633.607367][T12167] inet6_addr_add+0x30e/0xa40 [ 9633.607367][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9633.607367][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9633.607367][T12167] netlink_rcv_skb+0x130/0x360 [ 9633.607367][T12167] netlink_unicast+0x449/0x710 [ 9633.607367][T12167] netlink_sendmsg+0x723/0xbe0 [ 9633.607367][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9633.607367][T12167] ___sys_sendmsg+0xee/0x170 [ 9633.607367][T12167] __sys_sendmsg+0xcd/0x170 [ 9633.607367][T12167] do_syscall_64+0xc6/0x1e0 [ 9633.607367][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9633.607367][T12167] [ 9633.609662][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9633.609662][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9633.609662][T12167] ipv6_find_idev+0x102/0x170 [ 9633.609662][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9633.609662][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9633.609662][T12167] netlink_rcv_skb+0x130/0x360 [ 9633.609662][T12167] netlink_unicast+0x449/0x710 [ 9633.609662][T12167] netlink_sendmsg+0x723/0xbe0 [ 9633.609662][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9633.609662][T12167] ___sys_sendmsg+0xee/0x170 [ 9633.609662][T12167] __sys_sendmsg+0xcd/0x170 [ 9633.609662][T12167] do_syscall_64+0xc6/0x1e0 [ 9633.609662][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9633.609662][T12167] [ 9633.611427][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9633.611427][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9633.611427][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9633.611427][T12167] ipv6_find_idev+0x102/0x170 [ 9633.611427][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9633.611427][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9633.611427][T12167] netlink_rcv_skb+0x130/0x360 [ 9633.611427][T12167] netlink_unicast+0x449/0x710 [ 9633.611427][T12167] netlink_sendmsg+0x723/0xbe0 [ 9633.611427][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9633.611427][T12167] ___sys_sendmsg+0xee/0x170 [ 9633.611427][T12167] __sys_sendmsg+0xcd/0x170 [ 9633.611427][T12167] do_syscall_64+0xc6/0x1e0 [ 9633.611427][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9633.611427][T12167] [ 9634.374819][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9634.375303][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9634.375303][ T10] dst_init+0x84/0x4a0 [ 9634.375303][ T10] dst_alloc+0x97/0x150 [ 9634.375303][ T10] ip6_dst_alloc+0x23/0x90 [ 9634.375303][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9634.375303][ T10] ip6_pol_route+0x56f/0x840 [ 9634.375303][ T10] fib6_rule_lookup+0x334/0x630 [ 9634.375303][ T10] ip6_route_output_flags+0x259/0x480 [ 9634.375303][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9634.375303][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9634.375303][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9634.375303][ T10] ____sys_sendmsg+0x772/0xa10 [ 9634.375303][ T10] ___sys_sendmsg+0xee/0x170 [ 9634.375303][ T10] __sys_sendmsg+0xcd/0x170 [ 9634.375303][ T10] do_syscall_64+0xc6/0x1e0 [ 9634.375303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9634.375303][ T10] [ 9634.377265][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9634.377265][ T10] dst_init+0x84/0x4a0 [ 9634.377265][ T10] dst_alloc+0x97/0x150 [ 9634.377265][ T10] ip6_dst_alloc+0x23/0x90 [ 9634.377265][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9634.377265][ T10] ip6_pol_route+0x56f/0x840 [ 9634.377265][ T10] fib6_rule_lookup+0x334/0x630 [ 9634.377265][ T10] ip6_route_output_flags+0x259/0x480 [ 9634.377265][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9634.377265][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9634.377265][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9634.377265][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9634.377265][ T10] ____sys_sendmsg+0x772/0xa10 [ 9634.377265][ T10] ___sys_sendmsg+0xee/0x170 [ 9634.377265][ T10] __sys_sendmsg+0xcd/0x170 [ 9634.377265][ T10] do_syscall_64+0xc6/0x1e0 [ 9634.377265][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9634.377265][ T10] [ 9634.379305][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9634.379305][ T10] dst_init+0x84/0x4a0 [ 9634.379305][ T10] dst_alloc+0x97/0x150 [ 9634.379305][ T10] ip6_dst_alloc+0x23/0x90 [ 9634.379305][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9634.379305][ T10] ip6_pol_route+0x56f/0x840 [ 9634.379305][ T10] fib6_rule_lookup+0x334/0x630 [ 9634.379305][ T10] ip6_route_output_flags+0x259/0x480 [ 9634.379305][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9634.379305][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9634.379305][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9634.379305][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9634.379305][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9634.379305][ T10] ___sys_sendmsg+0xee/0x170 [ 9634.379305][ T10] __sys_sendmsg+0xcd/0x170 [ 9634.379305][ T10] do_syscall_64+0xc6/0x1e0 [ 9634.379305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9634.379305][ T10] [ 9634.381348][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9634.381348][ T10] netdev_get_by_index+0x5e/0x80 [ 9634.381348][ T10] fib6_nh_init+0x3d8/0x1580 [ 9634.381348][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9634.381348][ T10] ip6_route_add+0x1c/0x140 [ 9634.381348][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9634.381348][ T10] inet6_addr_add+0x4f8/0xa40 [ 9634.381348][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9634.381348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9634.381348][ T10] netlink_rcv_skb+0x130/0x360 [ 9634.381348][ T10] netlink_unicast+0x449/0x710 [ 9634.381348][ T10] netlink_sendmsg+0x723/0xbe0 [ 9634.381348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9634.381348][ T10] ___sys_sendmsg+0xee/0x170 [ 9634.381348][ T10] __sys_sendmsg+0xcd/0x170 [ 9634.381348][ T10] do_syscall_64+0xc6/0x1e0 [ 9634.381348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9634.381348][ T10] [ 9634.383373][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9634.383373][ T10] netdev_get_by_index+0x5e/0x80 [ 9634.383373][ T10] fib6_nh_init+0x3d8/0x1580 [ 9634.383373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9634.383373][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9634.383373][ T10] ipv6_add_addr+0x411/0x2000 [ 9634.383373][ T10] inet6_addr_add+0x30e/0xa40 [ 9634.383373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9634.383373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9634.383373][ T10] netlink_rcv_skb+0x130/0x360 [ 9634.383373][ T10] netlink_unicast+0x449/0x710 [ 9634.383373][ T10] netlink_sendmsg+0x723/0xbe0 [ 9634.383373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9634.383373][ T10] ___sys_sendmsg+0xee/0x170 [ 9634.383373][ T10] __sys_sendmsg+0xcd/0x170 [ 9634.383373][ T10] do_syscall_64+0xc6/0x1e0 [ 9634.383373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9634.383373][ T10] [ 9634.385399][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9634.385399][ T10] netdev_get_by_index+0x5e/0x80 [ 9634.385399][ T10] fib6_nh_init+0x3d8/0x1580 [ 9634.385399][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9634.385399][ T10] ip6_route_add+0x1c/0x140 [ 9634.385399][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9634.385399][ T10] addrconf_add_dev+0xe2/0x170 [ 9634.385399][ T10] inet6_addr_add+0x12f/0xa40 [ 9634.385399][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9634.385399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9634.385399][ T10] netlink_rcv_skb+0x130/0x360 [ 9634.385399][ T10] netlink_unicast+0x449/0x710 [ 9634.385399][ T10] netlink_sendmsg+0x723/0xbe0 [ 9634.385399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9634.385399][ T10] ___sys_sendmsg+0xee/0x170 [ 9634.385399][ T10] __sys_sendmsg+0xcd/0x170 [ 9634.385399][ T10] do_syscall_64+0xc6/0x1e0 [ 9634.385399][ T10] [ 9634.387389][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9634.387389][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9634.387389][ T10] ipv6_find_idev+0x102/0x170 [ 9634.387389][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9634.387389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9634.387389][ T10] netlink_rcv_skb+0x130/0x360 [ 9634.387389][ T10] netlink_unicast+0x449/0x710 [ 9634.387389][ T10] netlink_sendmsg+0x723/0xbe0 [ 9634.387389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9634.387389][ T10] ___sys_sendmsg+0xee/0x170 [ 9634.387389][ T10] __sys_sendmsg+0xcd/0x170 [ 9634.387389][ T10] do_syscall_64+0xc6/0x1e0 [ 9634.387389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9634.387389][ T10] [ 9634.388950][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9634.388950][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9634.388950][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9634.388950][ T10] ipv6_find_idev+0x102/0x170 [ 9634.388950][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9634.388950][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9634.388950][ T10] netlink_rcv_skb+0x130/0x360 [ 9634.388950][ T10] netlink_unicast+0x449/0x710 [ 9634.388950][ T10] netlink_sendmsg+0x723/0xbe0 [ 9634.388950][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9634.388950][ T10] ___sys_sendmsg+0xee/0x170 [ 9634.388950][ T10] __sys_sendmsg+0xcd/0x170 [ 9634.388950][ T10] do_syscall_64+0xc6/0x1e0 [ 9634.388950][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9634.388950][ T10] [ 9643.862810][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9643.863270][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9643.863270][T12167] netdev_get_by_index+0x5e/0x80 [ 9643.863270][T12167] fib6_nh_init+0x3d8/0x1580 [ 9643.863270][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9643.863270][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9643.863270][T12167] ipv6_add_addr+0x411/0x2000 [ 9643.863270][T12167] inet6_addr_add+0x30e/0xa40 [ 9643.863270][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9643.863270][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9643.863270][T12167] netlink_rcv_skb+0x130/0x360 [ 9643.863270][T12167] netlink_unicast+0x449/0x710 [ 9643.863270][T12167] netlink_sendmsg+0x723/0xbe0 [ 9643.863270][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9643.863270][T12167] ___sys_sendmsg+0xee/0x170 [ 9643.863270][T12167] __sys_sendmsg+0xcd/0x170 [ 9643.863270][T12167] do_syscall_64+0xc6/0x1e0 [ 9643.863270][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9643.863270][T12167] [ 9643.865605][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9643.865605][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9643.865605][T12167] ipv6_find_idev+0x102/0x170 [ 9643.865605][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9643.865605][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9643.865605][T12167] netlink_rcv_skb+0x130/0x360 [ 9643.865605][T12167] netlink_unicast+0x449/0x710 [ 9643.865605][T12167] netlink_sendmsg+0x723/0xbe0 [ 9643.865605][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9643.865605][T12167] ___sys_sendmsg+0xee/0x170 [ 9643.865605][T12167] __sys_sendmsg+0xcd/0x170 [ 9643.865605][T12167] do_syscall_64+0xc6/0x1e0 [ 9643.865605][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9643.865605][T12167] [ 9643.867380][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9643.867380][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9643.867380][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9643.867380][T12167] ipv6_find_idev+0x102/0x170 [ 9643.867380][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9643.867380][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9643.867380][T12167] netlink_rcv_skb+0x130/0x360 [ 9643.867380][T12167] netlink_unicast+0x449/0x710 [ 9643.867380][T12167] netlink_sendmsg+0x723/0xbe0 [ 9643.867380][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9643.867380][T12167] ___sys_sendmsg+0xee/0x170 [ 9643.867380][T12167] __sys_sendmsg+0xcd/0x170 [ 9643.867380][T12167] do_syscall_64+0xc6/0x1e0 [ 9643.867380][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9643.867380][T12167] [ 9644.638816][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9644.639248][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9644.639248][ T10] dst_init+0x84/0x4a0 [ 9644.639248][ T10] dst_alloc+0x97/0x150 [ 9644.639248][ T10] ip6_dst_alloc+0x23/0x90 [ 9644.639248][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9644.639248][ T10] ip6_pol_route+0x56f/0x840 [ 9644.639248][ T10] fib6_rule_lookup+0x334/0x630 [ 9644.639248][ T10] ip6_route_output_flags+0x259/0x480 [ 9644.639248][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9644.639248][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9644.639248][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9644.639248][ T10] ____sys_sendmsg+0x772/0xa10 [ 9644.639248][ T10] ___sys_sendmsg+0xee/0x170 [ 9644.639248][ T10] __sys_sendmsg+0xcd/0x170 [ 9644.639248][ T10] do_syscall_64+0xc6/0x1e0 [ 9644.639248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9644.639248][ T10] [ 9644.641186][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9644.641186][ T10] dst_init+0x84/0x4a0 [ 9644.641186][ T10] dst_alloc+0x97/0x150 [ 9644.641186][ T10] ip6_dst_alloc+0x23/0x90 [ 9644.641186][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9644.641186][ T10] ip6_pol_route+0x56f/0x840 [ 9644.641186][ T10] fib6_rule_lookup+0x334/0x630 [ 9644.641186][ T10] ip6_route_output_flags+0x259/0x480 [ 9644.641186][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9644.641186][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9644.641186][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9644.641186][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9644.641186][ T10] ____sys_sendmsg+0x772/0xa10 [ 9644.641186][ T10] ___sys_sendmsg+0xee/0x170 [ 9644.641186][ T10] __sys_sendmsg+0xcd/0x170 [ 9644.641186][ T10] do_syscall_64+0xc6/0x1e0 [ 9644.641186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9644.641186][ T10] [ 9644.643203][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9644.643203][ T10] dst_init+0x84/0x4a0 [ 9644.643203][ T10] dst_alloc+0x97/0x150 [ 9644.643203][ T10] ip6_dst_alloc+0x23/0x90 [ 9644.643203][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9644.643203][ T10] ip6_pol_route+0x56f/0x840 [ 9644.643203][ T10] fib6_rule_lookup+0x334/0x630 [ 9644.643203][ T10] ip6_route_output_flags+0x259/0x480 [ 9644.643203][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9644.643203][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9644.643203][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9644.643203][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9644.643203][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9644.643203][ T10] ___sys_sendmsg+0xee/0x170 [ 9644.643203][ T10] __sys_sendmsg+0xcd/0x170 [ 9644.643203][ T10] do_syscall_64+0xc6/0x1e0 [ 9644.643203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9644.643203][ T10] [ 9644.645220][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9644.645220][ T10] netdev_get_by_index+0x5e/0x80 [ 9644.645220][ T10] fib6_nh_init+0x3d8/0x1580 [ 9644.645220][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9644.645220][ T10] ip6_route_add+0x1c/0x140 [ 9644.645220][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9644.645220][ T10] inet6_addr_add+0x4f8/0xa40 [ 9644.645220][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9644.645220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9644.645220][ T10] netlink_rcv_skb+0x130/0x360 [ 9644.645220][ T10] netlink_unicast+0x449/0x710 [ 9644.645220][ T10] netlink_sendmsg+0x723/0xbe0 [ 9644.645220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9644.645220][ T10] ___sys_sendmsg+0xee/0x170 [ 9644.645220][ T10] __sys_sendmsg+0xcd/0x170 [ 9644.645220][ T10] do_syscall_64+0xc6/0x1e0 [ 9644.645220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9644.645220][ T10] [ 9644.647224][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9644.647224][ T10] netdev_get_by_index+0x5e/0x80 [ 9644.647224][ T10] fib6_nh_init+0x3d8/0x1580 [ 9644.647224][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9644.647224][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9644.647224][ T10] ipv6_add_addr+0x411/0x2000 [ 9644.647224][ T10] inet6_addr_add+0x30e/0xa40 [ 9644.647224][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9644.647224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9644.647224][ T10] netlink_rcv_skb+0x130/0x360 [ 9644.647224][ T10] netlink_unicast+0x449/0x710 [ 9644.647224][ T10] netlink_sendmsg+0x723/0xbe0 [ 9644.647224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9644.647224][ T10] ___sys_sendmsg+0xee/0x170 [ 9644.647224][ T10] __sys_sendmsg+0xcd/0x170 [ 9644.647224][ T10] do_syscall_64+0xc6/0x1e0 [ 9644.647224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9644.647224][ T10] [ 9644.649230][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9644.649230][ T10] netdev_get_by_index+0x5e/0x80 [ 9644.649230][ T10] fib6_nh_init+0x3d8/0x1580 [ 9644.649230][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9644.649230][ T10] ip6_route_add+0x1c/0x140 [ 9644.649230][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9644.649230][ T10] addrconf_add_dev+0xe2/0x170 [ 9644.649230][ T10] inet6_addr_add+0x12f/0xa40 [ 9644.649230][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9644.649230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9644.649230][ T10] netlink_rcv_skb+0x130/0x360 [ 9644.649230][ T10] netlink_unicast+0x449/0x710 [ 9644.649230][ T10] netlink_sendmsg+0x723/0xbe0 [ 9644.649230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9644.649230][ T10] ___sys_sendmsg+0xee/0x170 [ 9644.649230][ T10] __sys_sendmsg+0xcd/0x170 [ 9644.649230][ T10] do_syscall_64+0xc6/0x1e0 [ 9644.649230][ T10] [ 9644.651220][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9644.651220][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9644.651220][ T10] ipv6_find_idev+0x102/0x170 [ 9644.651220][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9644.651220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9644.651220][ T10] netlink_rcv_skb+0x130/0x360 [ 9644.651220][ T10] netlink_unicast+0x449/0x710 [ 9644.651220][ T10] netlink_sendmsg+0x723/0xbe0 [ 9644.651220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9644.651220][ T10] ___sys_sendmsg+0xee/0x170 [ 9644.651220][ T10] __sys_sendmsg+0xcd/0x170 [ 9644.651220][ T10] do_syscall_64+0xc6/0x1e0 [ 9644.651220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9644.651220][ T10] [ 9644.652766][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9644.652766][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9644.652766][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9644.652766][ T10] ipv6_find_idev+0x102/0x170 [ 9644.652766][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9644.652766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9644.652766][ T10] netlink_rcv_skb+0x130/0x360 [ 9644.652766][ T10] netlink_unicast+0x449/0x710 [ 9644.652766][ T10] netlink_sendmsg+0x723/0xbe0 [ 9644.652766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9644.652766][ T10] ___sys_sendmsg+0xee/0x170 [ 9644.652766][ T10] __sys_sendmsg+0xcd/0x170 [ 9644.652766][ T10] do_syscall_64+0xc6/0x1e0 [ 9644.652766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9644.652766][ T10] [ 9654.110798][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9654.111312][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9654.111312][T12167] netdev_get_by_index+0x5e/0x80 [ 9654.111312][T12167] fib6_nh_init+0x3d8/0x1580 [ 9654.111312][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9654.111312][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9654.111312][T12167] ipv6_add_addr+0x411/0x2000 [ 9654.111312][T12167] inet6_addr_add+0x30e/0xa40 [ 9654.111312][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9654.111312][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9654.111312][T12167] netlink_rcv_skb+0x130/0x360 [ 9654.111312][T12167] netlink_unicast+0x449/0x710 [ 9654.111312][T12167] netlink_sendmsg+0x723/0xbe0 [ 9654.111312][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9654.111312][T12167] ___sys_sendmsg+0xee/0x170 [ 9654.111312][T12167] __sys_sendmsg+0xcd/0x170 [ 9654.111312][T12167] do_syscall_64+0xc6/0x1e0 [ 9654.111312][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9654.111312][T12167] [ 9654.113630][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9654.113630][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9654.113630][T12167] ipv6_find_idev+0x102/0x170 [ 9654.113630][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9654.113630][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9654.113630][T12167] netlink_rcv_skb+0x130/0x360 [ 9654.113630][T12167] netlink_unicast+0x449/0x710 [ 9654.113630][T12167] netlink_sendmsg+0x723/0xbe0 [ 9654.113630][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9654.113630][T12167] ___sys_sendmsg+0xee/0x170 [ 9654.113630][T12167] __sys_sendmsg+0xcd/0x170 [ 9654.113630][T12167] do_syscall_64+0xc6/0x1e0 [ 9654.113630][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9654.113630][T12167] [ 9654.115383][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9654.115383][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9654.115383][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9654.115383][T12167] ipv6_find_idev+0x102/0x170 [ 9654.115383][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9654.115383][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9654.115383][T12167] netlink_rcv_skb+0x130/0x360 [ 9654.115383][T12167] netlink_unicast+0x449/0x710 [ 9654.115383][T12167] netlink_sendmsg+0x723/0xbe0 [ 9654.115383][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9654.115383][T12167] ___sys_sendmsg+0xee/0x170 [ 9654.115383][T12167] __sys_sendmsg+0xcd/0x170 [ 9654.115383][T12167] do_syscall_64+0xc6/0x1e0 [ 9654.115383][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9654.115383][T12167] [ 9654.894917][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9654.895394][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9654.895394][ T10] dst_init+0x84/0x4a0 [ 9654.895394][ T10] dst_alloc+0x97/0x150 [ 9654.895394][ T10] ip6_dst_alloc+0x23/0x90 [ 9654.895394][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9654.895394][ T10] ip6_pol_route+0x56f/0x840 [ 9654.895394][ T10] fib6_rule_lookup+0x334/0x630 [ 9654.895394][ T10] ip6_route_output_flags+0x259/0x480 [ 9654.895394][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9654.895394][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9654.895394][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9654.895394][ T10] ____sys_sendmsg+0x772/0xa10 [ 9654.895394][ T10] ___sys_sendmsg+0xee/0x170 [ 9654.895394][ T10] __sys_sendmsg+0xcd/0x170 [ 9654.895394][ T10] do_syscall_64+0xc6/0x1e0 [ 9654.895394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9654.895394][ T10] [ 9654.897320][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9654.897320][ T10] dst_init+0x84/0x4a0 [ 9654.897320][ T10] dst_alloc+0x97/0x150 [ 9654.897320][ T10] ip6_dst_alloc+0x23/0x90 [ 9654.897320][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9654.897320][ T10] ip6_pol_route+0x56f/0x840 [ 9654.897320][ T10] fib6_rule_lookup+0x334/0x630 [ 9654.897320][ T10] ip6_route_output_flags+0x259/0x480 [ 9654.897320][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9654.897320][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9654.897320][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9654.897320][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9654.897320][ T10] ____sys_sendmsg+0x772/0xa10 [ 9654.897320][ T10] ___sys_sendmsg+0xee/0x170 [ 9654.897320][ T10] __sys_sendmsg+0xcd/0x170 [ 9654.897320][ T10] do_syscall_64+0xc6/0x1e0 [ 9654.897320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9654.897320][ T10] [ 9654.899339][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9654.899339][ T10] dst_init+0x84/0x4a0 [ 9654.899339][ T10] dst_alloc+0x97/0x150 [ 9654.899339][ T10] ip6_dst_alloc+0x23/0x90 [ 9654.899339][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9654.899339][ T10] ip6_pol_route+0x56f/0x840 [ 9654.899339][ T10] fib6_rule_lookup+0x334/0x630 [ 9654.899339][ T10] ip6_route_output_flags+0x259/0x480 [ 9654.899339][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9654.899339][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9654.899339][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9654.899339][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9654.899339][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9654.899339][ T10] ___sys_sendmsg+0xee/0x170 [ 9654.899339][ T10] __sys_sendmsg+0xcd/0x170 [ 9654.899339][ T10] do_syscall_64+0xc6/0x1e0 [ 9654.899339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9654.899339][ T10] [ 9654.901368][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9654.901368][ T10] netdev_get_by_index+0x5e/0x80 [ 9654.901368][ T10] fib6_nh_init+0x3d8/0x1580 [ 9654.901368][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9654.901368][ T10] ip6_route_add+0x1c/0x140 [ 9654.901368][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9654.901368][ T10] inet6_addr_add+0x4f8/0xa40 [ 9654.901368][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9654.901368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9654.901368][ T10] netlink_rcv_skb+0x130/0x360 [ 9654.901368][ T10] netlink_unicast+0x449/0x710 [ 9654.901368][ T10] netlink_sendmsg+0x723/0xbe0 [ 9654.901368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9654.901368][ T10] ___sys_sendmsg+0xee/0x170 [ 9654.901368][ T10] __sys_sendmsg+0xcd/0x170 [ 9654.901368][ T10] do_syscall_64+0xc6/0x1e0 [ 9654.901368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9654.901368][ T10] [ 9654.903377][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9654.903377][ T10] netdev_get_by_index+0x5e/0x80 [ 9654.903377][ T10] fib6_nh_init+0x3d8/0x1580 [ 9654.903377][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9654.903377][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9654.903377][ T10] ipv6_add_addr+0x411/0x2000 [ 9654.903377][ T10] inet6_addr_add+0x30e/0xa40 [ 9654.903377][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9654.903377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9654.903377][ T10] netlink_rcv_skb+0x130/0x360 [ 9654.903377][ T10] netlink_unicast+0x449/0x710 [ 9654.903377][ T10] netlink_sendmsg+0x723/0xbe0 [ 9654.903377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9654.903377][ T10] ___sys_sendmsg+0xee/0x170 [ 9654.903377][ T10] __sys_sendmsg+0xcd/0x170 [ 9654.903377][ T10] do_syscall_64+0xc6/0x1e0 [ 9654.903377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9654.903377][ T10] [ 9654.905383][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9654.905383][ T10] netdev_get_by_index+0x5e/0x80 [ 9654.905383][ T10] fib6_nh_init+0x3d8/0x1580 [ 9654.905383][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9654.905383][ T10] ip6_route_add+0x1c/0x140 [ 9654.905383][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9654.905383][ T10] addrconf_add_dev+0xe2/0x170 [ 9654.905383][ T10] inet6_addr_add+0x12f/0xa40 [ 9654.905383][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9654.905383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9654.905383][ T10] netlink_rcv_skb+0x130/0x360 [ 9654.905383][ T10] netlink_unicast+0x449/0x710 [ 9654.905383][ T10] netlink_sendmsg+0x723/0xbe0 [ 9654.905383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9654.905383][ T10] ___sys_sendmsg+0xee/0x170 [ 9654.905383][ T10] __sys_sendmsg+0xcd/0x170 [ 9654.905383][ T10] do_syscall_64+0xc6/0x1e0 [ 9654.905383][ T10] [ 9654.907354][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9654.907354][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9654.907354][ T10] ipv6_find_idev+0x102/0x170 [ 9654.907354][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9654.907354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9654.907354][ T10] netlink_rcv_skb+0x130/0x360 [ 9654.907354][ T10] netlink_unicast+0x449/0x710 [ 9654.907354][ T10] netlink_sendmsg+0x723/0xbe0 [ 9654.907354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9654.907354][ T10] ___sys_sendmsg+0xee/0x170 [ 9654.907354][ T10] __sys_sendmsg+0xcd/0x170 [ 9654.907354][ T10] do_syscall_64+0xc6/0x1e0 [ 9654.907354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9654.907354][ T10] [ 9654.908899][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9654.908899][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9654.908899][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9654.908899][ T10] ipv6_find_idev+0x102/0x170 [ 9654.908899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9654.908899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9654.908899][ T10] netlink_rcv_skb+0x130/0x360 [ 9654.908899][ T10] netlink_unicast+0x449/0x710 [ 9654.908899][ T10] netlink_sendmsg+0x723/0xbe0 [ 9654.908899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9654.908899][ T10] ___sys_sendmsg+0xee/0x170 [ 9654.908899][ T10] __sys_sendmsg+0xcd/0x170 [ 9654.908899][ T10] do_syscall_64+0xc6/0x1e0 [ 9654.908899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9654.908899][ T10] [ 9664.366813][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9664.367335][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9664.367335][T12167] netdev_get_by_index+0x5e/0x80 [ 9664.367335][T12167] fib6_nh_init+0x3d8/0x1580 [ 9664.367335][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9664.367335][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9664.367335][T12167] ipv6_add_addr+0x411/0x2000 [ 9664.367335][T12167] inet6_addr_add+0x30e/0xa40 [ 9664.367335][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9664.367335][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9664.367335][T12167] netlink_rcv_skb+0x130/0x360 [ 9664.367335][T12167] netlink_unicast+0x449/0x710 [ 9664.367335][T12167] netlink_sendmsg+0x723/0xbe0 [ 9664.367335][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9664.367335][T12167] ___sys_sendmsg+0xee/0x170 [ 9664.367335][T12167] __sys_sendmsg+0xcd/0x170 [ 9664.367335][T12167] do_syscall_64+0xc6/0x1e0 [ 9664.367335][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9664.367335][T12167] [ 9664.369634][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9664.369634][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9664.369634][T12167] ipv6_find_idev+0x102/0x170 [ 9664.369634][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9664.369634][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9664.369634][T12167] netlink_rcv_skb+0x130/0x360 [ 9664.369634][T12167] netlink_unicast+0x449/0x710 [ 9664.369634][T12167] netlink_sendmsg+0x723/0xbe0 [ 9664.369634][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9664.369634][T12167] ___sys_sendmsg+0xee/0x170 [ 9664.369634][T12167] __sys_sendmsg+0xcd/0x170 [ 9664.369634][T12167] do_syscall_64+0xc6/0x1e0 [ 9664.369634][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9664.369634][T12167] [ 9664.371410][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9664.371410][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9664.371410][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9664.371410][T12167] ipv6_find_idev+0x102/0x170 [ 9664.371410][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9664.371410][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9664.371410][T12167] netlink_rcv_skb+0x130/0x360 [ 9664.371410][T12167] netlink_unicast+0x449/0x710 [ 9664.371410][T12167] netlink_sendmsg+0x723/0xbe0 [ 9664.371410][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9664.371410][T12167] ___sys_sendmsg+0xee/0x170 [ 9664.371410][T12167] __sys_sendmsg+0xcd/0x170 [ 9664.371410][T12167] do_syscall_64+0xc6/0x1e0 [ 9664.371410][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9664.371410][T12167] [ 9665.126815][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9665.127307][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9665.127307][ T10] dst_init+0x84/0x4a0 [ 9665.127307][ T10] dst_alloc+0x97/0x150 [ 9665.127307][ T10] ip6_dst_alloc+0x23/0x90 [ 9665.127307][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9665.127307][ T10] ip6_pol_route+0x56f/0x840 [ 9665.127307][ T10] fib6_rule_lookup+0x334/0x630 [ 9665.127307][ T10] ip6_route_output_flags+0x259/0x480 [ 9665.127307][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9665.127307][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9665.127307][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9665.127307][ T10] ____sys_sendmsg+0x772/0xa10 [ 9665.127307][ T10] ___sys_sendmsg+0xee/0x170 [ 9665.127307][ T10] __sys_sendmsg+0xcd/0x170 [ 9665.127307][ T10] do_syscall_64+0xc6/0x1e0 [ 9665.127307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9665.127307][ T10] [ 9665.129254][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9665.129254][ T10] dst_init+0x84/0x4a0 [ 9665.129254][ T10] dst_alloc+0x97/0x150 [ 9665.129254][ T10] ip6_dst_alloc+0x23/0x90 [ 9665.129254][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9665.129254][ T10] ip6_pol_route+0x56f/0x840 [ 9665.129254][ T10] fib6_rule_lookup+0x334/0x630 [ 9665.129254][ T10] ip6_route_output_flags+0x259/0x480 [ 9665.129254][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9665.129254][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9665.129254][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9665.129254][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9665.129254][ T10] ____sys_sendmsg+0x772/0xa10 [ 9665.129254][ T10] ___sys_sendmsg+0xee/0x170 [ 9665.129254][ T10] __sys_sendmsg+0xcd/0x170 [ 9665.129254][ T10] do_syscall_64+0xc6/0x1e0 [ 9665.129254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9665.129254][ T10] [ 9665.131292][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9665.131292][ T10] dst_init+0x84/0x4a0 [ 9665.131292][ T10] dst_alloc+0x97/0x150 [ 9665.131292][ T10] ip6_dst_alloc+0x23/0x90 [ 9665.131292][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9665.131292][ T10] ip6_pol_route+0x56f/0x840 [ 9665.131292][ T10] fib6_rule_lookup+0x334/0x630 [ 9665.131292][ T10] ip6_route_output_flags+0x259/0x480 [ 9665.131292][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9665.131292][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9665.131292][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9665.131292][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9665.131292][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9665.131292][ T10] ___sys_sendmsg+0xee/0x170 [ 9665.131292][ T10] __sys_sendmsg+0xcd/0x170 [ 9665.131292][ T10] do_syscall_64+0xc6/0x1e0 [ 9665.131292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9665.131292][ T10] [ 9665.133330][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9665.133330][ T10] netdev_get_by_index+0x5e/0x80 [ 9665.133330][ T10] fib6_nh_init+0x3d8/0x1580 [ 9665.133330][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9665.133330][ T10] ip6_route_add+0x1c/0x140 [ 9665.133330][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9665.133330][ T10] inet6_addr_add+0x4f8/0xa40 [ 9665.133330][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9665.133330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9665.133330][ T10] netlink_rcv_skb+0x130/0x360 [ 9665.133330][ T10] netlink_unicast+0x449/0x710 [ 9665.133330][ T10] netlink_sendmsg+0x723/0xbe0 [ 9665.133330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9665.133330][ T10] ___sys_sendmsg+0xee/0x170 [ 9665.133330][ T10] __sys_sendmsg+0xcd/0x170 [ 9665.133330][ T10] do_syscall_64+0xc6/0x1e0 [ 9665.133330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9665.133330][ T10] [ 9665.135357][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9665.135357][ T10] netdev_get_by_index+0x5e/0x80 [ 9665.135357][ T10] fib6_nh_init+0x3d8/0x1580 [ 9665.135357][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9665.135357][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9665.135357][ T10] ipv6_add_addr+0x411/0x2000 [ 9665.135357][ T10] inet6_addr_add+0x30e/0xa40 [ 9665.135357][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9665.135357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9665.135357][ T10] netlink_rcv_skb+0x130/0x360 [ 9665.135357][ T10] netlink_unicast+0x449/0x710 [ 9665.135357][ T10] netlink_sendmsg+0x723/0xbe0 [ 9665.135357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9665.135357][ T10] ___sys_sendmsg+0xee/0x170 [ 9665.135357][ T10] __sys_sendmsg+0xcd/0x170 [ 9665.135357][ T10] do_syscall_64+0xc6/0x1e0 [ 9665.135357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9665.135357][ T10] [ 9665.137378][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9665.137378][ T10] netdev_get_by_index+0x5e/0x80 [ 9665.137378][ T10] fib6_nh_init+0x3d8/0x1580 [ 9665.137378][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9665.137378][ T10] ip6_route_add+0x1c/0x140 [ 9665.137378][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9665.137378][ T10] addrconf_add_dev+0xe2/0x170 [ 9665.137378][ T10] inet6_addr_add+0x12f/0xa40 [ 9665.137378][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9665.137378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9665.137378][ T10] netlink_rcv_skb+0x130/0x360 [ 9665.137378][ T10] netlink_unicast+0x449/0x710 [ 9665.137378][ T10] netlink_sendmsg+0x723/0xbe0 [ 9665.137378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9665.137378][ T10] ___sys_sendmsg+0xee/0x170 [ 9665.137378][ T10] __sys_sendmsg+0xcd/0x170 [ 9665.137378][ T10] do_syscall_64+0xc6/0x1e0 [ 9665.137378][ T10] [ 9665.139378][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9665.139378][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9665.139378][ T10] ipv6_find_idev+0x102/0x170 [ 9665.139378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9665.139378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9665.139378][ T10] netlink_rcv_skb+0x130/0x360 [ 9665.139378][ T10] netlink_unicast+0x449/0x710 [ 9665.139378][ T10] netlink_sendmsg+0x723/0xbe0 [ 9665.139378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9665.139378][ T10] ___sys_sendmsg+0xee/0x170 [ 9665.139378][ T10] __sys_sendmsg+0xcd/0x170 [ 9665.139378][ T10] do_syscall_64+0xc6/0x1e0 [ 9665.139378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9665.139378][ T10] [ 9665.140957][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9665.140957][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9665.140957][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9665.140957][ T10] ipv6_find_idev+0x102/0x170 [ 9665.140957][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9665.140957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9665.140957][ T10] netlink_rcv_skb+0x130/0x360 [ 9665.140957][ T10] netlink_unicast+0x449/0x710 [ 9665.140957][ T10] netlink_sendmsg+0x723/0xbe0 [ 9665.140957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9665.140957][ T10] ___sys_sendmsg+0xee/0x170 [ 9665.140957][ T10] __sys_sendmsg+0xcd/0x170 [ 9665.140957][ T10] do_syscall_64+0xc6/0x1e0 [ 9665.140957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9665.140957][ T10] [ 9674.622884][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9674.623408][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9674.623408][T12167] netdev_get_by_index+0x5e/0x80 [ 9674.623408][T12167] fib6_nh_init+0x3d8/0x1580 [ 9674.623408][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9674.623408][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9674.623408][T12167] ipv6_add_addr+0x411/0x2000 [ 9674.623408][T12167] inet6_addr_add+0x30e/0xa40 [ 9674.623408][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9674.623408][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9674.623408][T12167] netlink_rcv_skb+0x130/0x360 [ 9674.623408][T12167] netlink_unicast+0x449/0x710 [ 9674.623408][T12167] netlink_sendmsg+0x723/0xbe0 [ 9674.623408][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9674.623408][T12167] ___sys_sendmsg+0xee/0x170 [ 9674.623408][T12167] __sys_sendmsg+0xcd/0x170 [ 9674.623408][T12167] do_syscall_64+0xc6/0x1e0 [ 9674.623408][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9674.623408][T12167] [ 9674.625685][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9674.625685][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9674.625685][T12167] ipv6_find_idev+0x102/0x170 [ 9674.625685][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9674.625685][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9674.625685][T12167] netlink_rcv_skb+0x130/0x360 [ 9674.625685][T12167] netlink_unicast+0x449/0x710 [ 9674.625685][T12167] netlink_sendmsg+0x723/0xbe0 [ 9674.625685][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9674.625685][T12167] ___sys_sendmsg+0xee/0x170 [ 9674.625685][T12167] __sys_sendmsg+0xcd/0x170 [ 9674.625685][T12167] do_syscall_64+0xc6/0x1e0 [ 9674.625685][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9674.625685][T12167] [ 9674.627425][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9674.627425][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9674.627425][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9674.627425][T12167] ipv6_find_idev+0x102/0x170 [ 9674.627425][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9674.627425][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9674.627425][T12167] netlink_rcv_skb+0x130/0x360 [ 9674.627425][T12167] netlink_unicast+0x449/0x710 [ 9674.627425][T12167] netlink_sendmsg+0x723/0xbe0 [ 9674.627425][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9674.627425][T12167] ___sys_sendmsg+0xee/0x170 [ 9674.627425][T12167] __sys_sendmsg+0xcd/0x170 [ 9674.627425][T12167] do_syscall_64+0xc6/0x1e0 [ 9674.627425][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9674.627425][T12167] [ 9675.142778][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9675.143273][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9675.143273][ T10] dst_init+0x84/0x4a0 [ 9675.143273][ T10] dst_alloc+0x97/0x150 [ 9675.143273][ T10] ip6_dst_alloc+0x23/0x90 [ 9675.143273][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9675.143273][ T10] ip6_pol_route+0x56f/0x840 [ 9675.143273][ T10] fib6_rule_lookup+0x334/0x630 [ 9675.143273][ T10] ip6_route_output_flags+0x259/0x480 [ 9675.143273][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9675.143273][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9675.143273][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9675.143273][ T10] ____sys_sendmsg+0x772/0xa10 [ 9675.143273][ T10] ___sys_sendmsg+0xee/0x170 [ 9675.143273][ T10] __sys_sendmsg+0xcd/0x170 [ 9675.143273][ T10] do_syscall_64+0xc6/0x1e0 [ 9675.143273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9675.143273][ T10] [ 9675.145206][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9675.145206][ T10] dst_init+0x84/0x4a0 [ 9675.145206][ T10] dst_alloc+0x97/0x150 [ 9675.145206][ T10] ip6_dst_alloc+0x23/0x90 [ 9675.145206][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9675.145206][ T10] ip6_pol_route+0x56f/0x840 [ 9675.145206][ T10] fib6_rule_lookup+0x334/0x630 [ 9675.145206][ T10] ip6_route_output_flags+0x259/0x480 [ 9675.145206][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9675.145206][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9675.145206][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9675.145206][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9675.145206][ T10] ____sys_sendmsg+0x772/0xa10 [ 9675.145206][ T10] ___sys_sendmsg+0xee/0x170 [ 9675.145206][ T10] __sys_sendmsg+0xcd/0x170 [ 9675.145206][ T10] do_syscall_64+0xc6/0x1e0 [ 9675.145206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9675.145206][ T10] [ 9675.147228][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9675.147228][ T10] dst_init+0x84/0x4a0 [ 9675.147228][ T10] dst_alloc+0x97/0x150 [ 9675.147228][ T10] ip6_dst_alloc+0x23/0x90 [ 9675.147228][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9675.147228][ T10] ip6_pol_route+0x56f/0x840 [ 9675.147228][ T10] fib6_rule_lookup+0x334/0x630 [ 9675.147228][ T10] ip6_route_output_flags+0x259/0x480 [ 9675.147228][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9675.147228][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9675.147228][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9675.147228][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9675.147228][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9675.147228][ T10] ___sys_sendmsg+0xee/0x170 [ 9675.147228][ T10] __sys_sendmsg+0xcd/0x170 [ 9675.147228][ T10] do_syscall_64+0xc6/0x1e0 [ 9675.147228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9675.147228][ T10] [ 9675.149264][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9675.149264][ T10] netdev_get_by_index+0x5e/0x80 [ 9675.149264][ T10] fib6_nh_init+0x3d8/0x1580 [ 9675.149264][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9675.149264][ T10] ip6_route_add+0x1c/0x140 [ 9675.149264][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9675.149264][ T10] inet6_addr_add+0x4f8/0xa40 [ 9675.149264][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9675.149264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9675.149264][ T10] netlink_rcv_skb+0x130/0x360 [ 9675.149264][ T10] netlink_unicast+0x449/0x710 [ 9675.149264][ T10] netlink_sendmsg+0x723/0xbe0 [ 9675.149264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9675.149264][ T10] ___sys_sendmsg+0xee/0x170 [ 9675.149264][ T10] __sys_sendmsg+0xcd/0x170 [ 9675.149264][ T10] do_syscall_64+0xc6/0x1e0 [ 9675.149264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9675.149264][ T10] [ 9675.151291][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9675.151291][ T10] netdev_get_by_index+0x5e/0x80 [ 9675.151291][ T10] fib6_nh_init+0x3d8/0x1580 [ 9675.151291][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9675.151291][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9675.151291][ T10] ipv6_add_addr+0x411/0x2000 [ 9675.151291][ T10] inet6_addr_add+0x30e/0xa40 [ 9675.151291][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9675.151291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9675.151291][ T10] netlink_rcv_skb+0x130/0x360 [ 9675.151291][ T10] netlink_unicast+0x449/0x710 [ 9675.151291][ T10] netlink_sendmsg+0x723/0xbe0 [ 9675.151291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9675.151291][ T10] ___sys_sendmsg+0xee/0x170 [ 9675.151291][ T10] __sys_sendmsg+0xcd/0x170 [ 9675.151291][ T10] do_syscall_64+0xc6/0x1e0 [ 9675.151291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9675.151291][ T10] [ 9675.153309][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9675.153309][ T10] netdev_get_by_index+0x5e/0x80 [ 9675.153309][ T10] fib6_nh_init+0x3d8/0x1580 [ 9675.153309][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9675.153309][ T10] ip6_route_add+0x1c/0x140 [ 9675.153309][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9675.153309][ T10] addrconf_add_dev+0xe2/0x170 [ 9675.153309][ T10] inet6_addr_add+0x12f/0xa40 [ 9675.153309][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9675.153309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9675.153309][ T10] netlink_rcv_skb+0x130/0x360 [ 9675.153309][ T10] netlink_unicast+0x449/0x710 [ 9675.153309][ T10] netlink_sendmsg+0x723/0xbe0 [ 9675.153309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9675.153309][ T10] ___sys_sendmsg+0xee/0x170 [ 9675.153309][ T10] __sys_sendmsg+0xcd/0x170 [ 9675.153309][ T10] do_syscall_64+0xc6/0x1e0 [ 9675.153309][ T10] [ 9675.155296][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9675.155296][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9675.155296][ T10] ipv6_find_idev+0x102/0x170 [ 9675.155296][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9675.155296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9675.155296][ T10] netlink_rcv_skb+0x130/0x360 [ 9675.155296][ T10] netlink_unicast+0x449/0x710 [ 9675.155296][ T10] netlink_sendmsg+0x723/0xbe0 [ 9675.155296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9675.155296][ T10] ___sys_sendmsg+0xee/0x170 [ 9675.155296][ T10] __sys_sendmsg+0xcd/0x170 [ 9675.155296][ T10] do_syscall_64+0xc6/0x1e0 [ 9675.155296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9675.155296][ T10] [ 9675.156848][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9675.156848][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9675.156848][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9675.156848][ T10] ipv6_find_idev+0x102/0x170 [ 9675.156848][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9675.156848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9675.156848][ T10] netlink_rcv_skb+0x130/0x360 [ 9675.156848][ T10] netlink_unicast+0x449/0x710 [ 9675.156848][ T10] netlink_sendmsg+0x723/0xbe0 [ 9675.156848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9675.156848][ T10] ___sys_sendmsg+0xee/0x170 [ 9675.156848][ T10] __sys_sendmsg+0xcd/0x170 [ 9675.156848][ T10] do_syscall_64+0xc6/0x1e0 [ 9675.156848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9675.156848][ T10] [ 9684.878812][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9684.879303][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9684.879303][T12167] netdev_get_by_index+0x5e/0x80 [ 9684.879303][T12167] fib6_nh_init+0x3d8/0x1580 [ 9684.879303][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9684.879303][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9684.879303][T12167] ipv6_add_addr+0x411/0x2000 [ 9684.879303][T12167] inet6_addr_add+0x30e/0xa40 [ 9684.879303][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9684.879303][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9684.879303][T12167] netlink_rcv_skb+0x130/0x360 [ 9684.879303][T12167] netlink_unicast+0x449/0x710 [ 9684.879303][T12167] netlink_sendmsg+0x723/0xbe0 [ 9684.879303][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9684.879303][T12167] ___sys_sendmsg+0xee/0x170 [ 9684.879303][T12167] __sys_sendmsg+0xcd/0x170 [ 9684.879303][T12167] do_syscall_64+0xc6/0x1e0 [ 9684.879303][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9684.879303][T12167] [ 9684.881585][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9684.881585][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9684.881585][T12167] ipv6_find_idev+0x102/0x170 [ 9684.881585][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9684.881585][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9684.881585][T12167] netlink_rcv_skb+0x130/0x360 [ 9684.881585][T12167] netlink_unicast+0x449/0x710 [ 9684.881585][T12167] netlink_sendmsg+0x723/0xbe0 [ 9684.881585][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9684.881585][T12167] ___sys_sendmsg+0xee/0x170 [ 9684.881585][T12167] __sys_sendmsg+0xcd/0x170 [ 9684.881585][T12167] do_syscall_64+0xc6/0x1e0 [ 9684.881585][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9684.881585][T12167] [ 9684.883320][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9684.883320][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9684.883320][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9684.883320][T12167] ipv6_find_idev+0x102/0x170 [ 9684.883320][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9684.883320][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9684.883320][T12167] netlink_rcv_skb+0x130/0x360 [ 9684.883320][T12167] netlink_unicast+0x449/0x710 [ 9684.883320][T12167] netlink_sendmsg+0x723/0xbe0 [ 9684.883320][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9684.883320][T12167] ___sys_sendmsg+0xee/0x170 [ 9684.883320][T12167] __sys_sendmsg+0xcd/0x170 [ 9684.883320][T12167] do_syscall_64+0xc6/0x1e0 [ 9684.883320][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9684.883320][T12167] [ 9685.398808][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9685.399274][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9685.399274][ T10] dst_init+0x84/0x4a0 [ 9685.399274][ T10] dst_alloc+0x97/0x150 [ 9685.399274][ T10] ip6_dst_alloc+0x23/0x90 [ 9685.399274][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9685.399274][ T10] ip6_pol_route+0x56f/0x840 [ 9685.399274][ T10] fib6_rule_lookup+0x334/0x630 [ 9685.399274][ T10] ip6_route_output_flags+0x259/0x480 [ 9685.399274][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9685.399274][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9685.399274][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9685.399274][ T10] ____sys_sendmsg+0x772/0xa10 [ 9685.399274][ T10] ___sys_sendmsg+0xee/0x170 [ 9685.399274][ T10] __sys_sendmsg+0xcd/0x170 [ 9685.399274][ T10] do_syscall_64+0xc6/0x1e0 [ 9685.399274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9685.399274][ T10] [ 9685.401210][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9685.401210][ T10] dst_init+0x84/0x4a0 [ 9685.401210][ T10] dst_alloc+0x97/0x150 [ 9685.401210][ T10] ip6_dst_alloc+0x23/0x90 [ 9685.401210][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9685.401210][ T10] ip6_pol_route+0x56f/0x840 [ 9685.401210][ T10] fib6_rule_lookup+0x334/0x630 [ 9685.401210][ T10] ip6_route_output_flags+0x259/0x480 [ 9685.401210][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9685.401210][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9685.401210][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9685.401210][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9685.401210][ T10] ____sys_sendmsg+0x772/0xa10 [ 9685.401210][ T10] ___sys_sendmsg+0xee/0x170 [ 9685.401210][ T10] __sys_sendmsg+0xcd/0x170 [ 9685.401210][ T10] do_syscall_64+0xc6/0x1e0 [ 9685.401210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9685.401210][ T10] [ 9685.403206][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9685.403206][ T10] dst_init+0x84/0x4a0 [ 9685.403206][ T10] dst_alloc+0x97/0x150 [ 9685.403206][ T10] ip6_dst_alloc+0x23/0x90 [ 9685.403206][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9685.403206][ T10] ip6_pol_route+0x56f/0x840 [ 9685.403206][ T10] fib6_rule_lookup+0x334/0x630 [ 9685.403206][ T10] ip6_route_output_flags+0x259/0x480 [ 9685.403206][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9685.403206][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9685.403206][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9685.403206][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9685.403206][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9685.403206][ T10] ___sys_sendmsg+0xee/0x170 [ 9685.403206][ T10] __sys_sendmsg+0xcd/0x170 [ 9685.403206][ T10] do_syscall_64+0xc6/0x1e0 [ 9685.403206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9685.403206][ T10] [ 9685.405199][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9685.405199][ T10] netdev_get_by_index+0x5e/0x80 [ 9685.405199][ T10] fib6_nh_init+0x3d8/0x1580 [ 9685.405199][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9685.405199][ T10] ip6_route_add+0x1c/0x140 [ 9685.405199][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9685.405199][ T10] inet6_addr_add+0x4f8/0xa40 [ 9685.405199][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9685.405199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9685.405199][ T10] netlink_rcv_skb+0x130/0x360 [ 9685.405199][ T10] netlink_unicast+0x449/0x710 [ 9685.405199][ T10] netlink_sendmsg+0x723/0xbe0 [ 9685.405199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9685.405199][ T10] ___sys_sendmsg+0xee/0x170 [ 9685.405199][ T10] __sys_sendmsg+0xcd/0x170 [ 9685.405199][ T10] do_syscall_64+0xc6/0x1e0 [ 9685.405199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9685.405199][ T10] [ 9685.407196][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9685.407196][ T10] netdev_get_by_index+0x5e/0x80 [ 9685.407196][ T10] fib6_nh_init+0x3d8/0x1580 [ 9685.407196][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9685.407196][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9685.407196][ T10] ipv6_add_addr+0x411/0x2000 [ 9685.407196][ T10] inet6_addr_add+0x30e/0xa40 [ 9685.407196][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9685.407196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9685.407196][ T10] netlink_rcv_skb+0x130/0x360 [ 9685.407196][ T10] netlink_unicast+0x449/0x710 [ 9685.407196][ T10] netlink_sendmsg+0x723/0xbe0 [ 9685.407196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9685.407196][ T10] ___sys_sendmsg+0xee/0x170 [ 9685.407196][ T10] __sys_sendmsg+0xcd/0x170 [ 9685.407196][ T10] do_syscall_64+0xc6/0x1e0 [ 9685.407196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9685.407196][ T10] [ 9685.409187][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9685.409187][ T10] netdev_get_by_index+0x5e/0x80 [ 9685.409187][ T10] fib6_nh_init+0x3d8/0x1580 [ 9685.409187][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9685.409187][ T10] ip6_route_add+0x1c/0x140 [ 9685.409187][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9685.409187][ T10] addrconf_add_dev+0xe2/0x170 [ 9685.409187][ T10] inet6_addr_add+0x12f/0xa40 [ 9685.409187][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9685.409187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9685.409187][ T10] netlink_rcv_skb+0x130/0x360 [ 9685.409187][ T10] netlink_unicast+0x449/0x710 [ 9685.409187][ T10] netlink_sendmsg+0x723/0xbe0 [ 9685.409187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9685.409187][ T10] ___sys_sendmsg+0xee/0x170 [ 9685.409187][ T10] __sys_sendmsg+0xcd/0x170 [ 9685.409187][ T10] do_syscall_64+0xc6/0x1e0 [ 9685.409187][ T10] [ 9685.411162][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9685.411162][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9685.411162][ T10] ipv6_find_idev+0x102/0x170 [ 9685.411162][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9685.411162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9685.411162][ T10] netlink_rcv_skb+0x130/0x360 [ 9685.411162][ T10] netlink_unicast+0x449/0x710 [ 9685.411162][ T10] netlink_sendmsg+0x723/0xbe0 [ 9685.411162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9685.411162][ T10] ___sys_sendmsg+0xee/0x170 [ 9685.411162][ T10] __sys_sendmsg+0xcd/0x170 [ 9685.411162][ T10] do_syscall_64+0xc6/0x1e0 [ 9685.411162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9685.411162][ T10] [ 9685.412694][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9685.412694][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9685.412694][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9685.412694][ T10] ipv6_find_idev+0x102/0x170 [ 9685.412694][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9685.412694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9685.412694][ T10] netlink_rcv_skb+0x130/0x360 [ 9685.412694][ T10] netlink_unicast+0x449/0x710 [ 9685.412694][ T10] netlink_sendmsg+0x723/0xbe0 [ 9685.412694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9685.412694][ T10] ___sys_sendmsg+0xee/0x170 [ 9685.412694][ T10] __sys_sendmsg+0xcd/0x170 [ 9685.412694][ T10] do_syscall_64+0xc6/0x1e0 [ 9685.412694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9685.412694][ T10] [ 9694.886722][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9694.887206][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9694.887206][T12167] netdev_get_by_index+0x5e/0x80 [ 9694.887206][T12167] fib6_nh_init+0x3d8/0x1580 [ 9694.887206][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9694.887206][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9694.887206][T12167] ipv6_add_addr+0x411/0x2000 [ 9694.887206][T12167] inet6_addr_add+0x30e/0xa40 [ 9694.887206][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9694.887206][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9694.887206][T12167] netlink_rcv_skb+0x130/0x360 [ 9694.887206][T12167] netlink_unicast+0x449/0x710 [ 9694.887206][T12167] netlink_sendmsg+0x723/0xbe0 [ 9694.887206][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9694.887206][T12167] ___sys_sendmsg+0xee/0x170 [ 9694.887206][T12167] __sys_sendmsg+0xcd/0x170 [ 9694.887206][T12167] do_syscall_64+0xc6/0x1e0 [ 9694.887206][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9694.887206][T12167] [ 9694.889532][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9694.889532][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9694.889532][T12167] ipv6_find_idev+0x102/0x170 [ 9694.889532][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9694.889532][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9694.889532][T12167] netlink_rcv_skb+0x130/0x360 [ 9694.889532][T12167] netlink_unicast+0x449/0x710 [ 9694.889532][T12167] netlink_sendmsg+0x723/0xbe0 [ 9694.889532][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9694.889532][T12167] ___sys_sendmsg+0xee/0x170 [ 9694.889532][T12167] __sys_sendmsg+0xcd/0x170 [ 9694.889532][T12167] do_syscall_64+0xc6/0x1e0 [ 9694.889532][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9694.889532][T12167] [ 9694.891274][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9694.891274][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9694.891274][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9694.891274][T12167] ipv6_find_idev+0x102/0x170 [ 9694.891274][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9694.891274][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9694.891274][T12167] netlink_rcv_skb+0x130/0x360 [ 9694.891274][T12167] netlink_unicast+0x449/0x710 [ 9694.891274][T12167] netlink_sendmsg+0x723/0xbe0 [ 9694.891274][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9694.891274][T12167] ___sys_sendmsg+0xee/0x170 [ 9694.891274][T12167] __sys_sendmsg+0xcd/0x170 [ 9694.891274][T12167] do_syscall_64+0xc6/0x1e0 [ 9694.891274][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9694.891274][T12167] [ 9695.654908][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9695.655400][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9695.655400][ T10] dst_init+0x84/0x4a0 [ 9695.655400][ T10] dst_alloc+0x97/0x150 [ 9695.655400][ T10] ip6_dst_alloc+0x23/0x90 [ 9695.655400][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9695.655400][ T10] ip6_pol_route+0x56f/0x840 [ 9695.655400][ T10] fib6_rule_lookup+0x334/0x630 [ 9695.655400][ T10] ip6_route_output_flags+0x259/0x480 [ 9695.655400][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9695.655400][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9695.655400][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9695.655400][ T10] ____sys_sendmsg+0x772/0xa10 [ 9695.655400][ T10] ___sys_sendmsg+0xee/0x170 [ 9695.655400][ T10] __sys_sendmsg+0xcd/0x170 [ 9695.655400][ T10] do_syscall_64+0xc6/0x1e0 [ 9695.655400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9695.655400][ T10] [ 9695.657313][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9695.657313][ T10] dst_init+0x84/0x4a0 [ 9695.657313][ T10] dst_alloc+0x97/0x150 [ 9695.657313][ T10] ip6_dst_alloc+0x23/0x90 [ 9695.657313][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9695.657313][ T10] ip6_pol_route+0x56f/0x840 [ 9695.657313][ T10] fib6_rule_lookup+0x334/0x630 [ 9695.657313][ T10] ip6_route_output_flags+0x259/0x480 [ 9695.657313][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9695.657313][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9695.657313][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9695.657313][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9695.657313][ T10] ____sys_sendmsg+0x772/0xa10 [ 9695.657313][ T10] ___sys_sendmsg+0xee/0x170 [ 9695.657313][ T10] __sys_sendmsg+0xcd/0x170 [ 9695.657313][ T10] do_syscall_64+0xc6/0x1e0 [ 9695.657313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9695.657313][ T10] [ 9695.659309][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9695.659309][ T10] dst_init+0x84/0x4a0 [ 9695.659309][ T10] dst_alloc+0x97/0x150 [ 9695.659309][ T10] ip6_dst_alloc+0x23/0x90 [ 9695.659309][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9695.659309][ T10] ip6_pol_route+0x56f/0x840 [ 9695.659309][ T10] fib6_rule_lookup+0x334/0x630 [ 9695.659309][ T10] ip6_route_output_flags+0x259/0x480 [ 9695.659309][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9695.659309][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9695.659309][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9695.659309][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9695.659309][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9695.659309][ T10] ___sys_sendmsg+0xee/0x170 [ 9695.659309][ T10] __sys_sendmsg+0xcd/0x170 [ 9695.659309][ T10] do_syscall_64+0xc6/0x1e0 [ 9695.659309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9695.659309][ T10] [ 9695.661325][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9695.661325][ T10] netdev_get_by_index+0x5e/0x80 [ 9695.661325][ T10] fib6_nh_init+0x3d8/0x1580 [ 9695.661325][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9695.661325][ T10] ip6_route_add+0x1c/0x140 [ 9695.661325][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9695.661325][ T10] inet6_addr_add+0x4f8/0xa40 [ 9695.661325][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9695.661325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9695.661325][ T10] netlink_rcv_skb+0x130/0x360 [ 9695.661325][ T10] netlink_unicast+0x449/0x710 [ 9695.661325][ T10] netlink_sendmsg+0x723/0xbe0 [ 9695.661325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9695.661325][ T10] ___sys_sendmsg+0xee/0x170 [ 9695.661325][ T10] __sys_sendmsg+0xcd/0x170 [ 9695.661325][ T10] do_syscall_64+0xc6/0x1e0 [ 9695.661325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9695.661325][ T10] [ 9695.663337][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9695.663337][ T10] netdev_get_by_index+0x5e/0x80 [ 9695.663337][ T10] fib6_nh_init+0x3d8/0x1580 [ 9695.663337][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9695.663337][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9695.663337][ T10] ipv6_add_addr+0x411/0x2000 [ 9695.663337][ T10] inet6_addr_add+0x30e/0xa40 [ 9695.663337][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9695.663337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9695.663337][ T10] netlink_rcv_skb+0x130/0x360 [ 9695.663337][ T10] netlink_unicast+0x449/0x710 [ 9695.663337][ T10] netlink_sendmsg+0x723/0xbe0 [ 9695.663337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9695.663337][ T10] ___sys_sendmsg+0xee/0x170 [ 9695.663337][ T10] __sys_sendmsg+0xcd/0x170 [ 9695.663337][ T10] do_syscall_64+0xc6/0x1e0 [ 9695.663337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9695.663337][ T10] [ 9695.665334][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9695.665334][ T10] netdev_get_by_index+0x5e/0x80 [ 9695.665334][ T10] fib6_nh_init+0x3d8/0x1580 [ 9695.665334][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9695.665334][ T10] ip6_route_add+0x1c/0x140 [ 9695.665334][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9695.665334][ T10] addrconf_add_dev+0xe2/0x170 [ 9695.665334][ T10] inet6_addr_add+0x12f/0xa40 [ 9695.665334][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9695.665334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9695.665334][ T10] netlink_rcv_skb+0x130/0x360 [ 9695.665334][ T10] netlink_unicast+0x449/0x710 [ 9695.665334][ T10] netlink_sendmsg+0x723/0xbe0 [ 9695.665334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9695.665334][ T10] ___sys_sendmsg+0xee/0x170 [ 9695.665334][ T10] __sys_sendmsg+0xcd/0x170 [ 9695.665334][ T10] do_syscall_64+0xc6/0x1e0 [ 9695.665334][ T10] [ 9695.667298][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9695.667298][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9695.667298][ T10] ipv6_find_idev+0x102/0x170 [ 9695.667298][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9695.667298][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9695.667298][ T10] netlink_rcv_skb+0x130/0x360 [ 9695.667298][ T10] netlink_unicast+0x449/0x710 [ 9695.667298][ T10] netlink_sendmsg+0x723/0xbe0 [ 9695.667298][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9695.667298][ T10] ___sys_sendmsg+0xee/0x170 [ 9695.667298][ T10] __sys_sendmsg+0xcd/0x170 [ 9695.667298][ T10] do_syscall_64+0xc6/0x1e0 [ 9695.667298][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9695.667298][ T10] [ 9695.668841][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9695.668841][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9695.668841][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9695.668841][ T10] ipv6_find_idev+0x102/0x170 [ 9695.668841][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9695.668841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9695.668841][ T10] netlink_rcv_skb+0x130/0x360 [ 9695.668841][ T10] netlink_unicast+0x449/0x710 [ 9695.668841][ T10] netlink_sendmsg+0x723/0xbe0 [ 9695.668841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9695.668841][ T10] ___sys_sendmsg+0xee/0x170 [ 9695.668841][ T10] __sys_sendmsg+0xcd/0x170 [ 9695.668841][ T10] do_syscall_64+0xc6/0x1e0 [ 9695.668841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9695.668841][ T10] [ 9704.910807][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9704.911290][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9704.911290][T12167] netdev_get_by_index+0x5e/0x80 [ 9704.911290][T12167] fib6_nh_init+0x3d8/0x1580 [ 9704.911290][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9704.911290][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9704.911290][T12167] ipv6_add_addr+0x411/0x2000 [ 9704.911290][T12167] inet6_addr_add+0x30e/0xa40 [ 9704.911290][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9704.911290][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9704.911290][T12167] netlink_rcv_skb+0x130/0x360 [ 9704.911290][T12167] netlink_unicast+0x449/0x710 [ 9704.911290][T12167] netlink_sendmsg+0x723/0xbe0 [ 9704.911290][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9704.911290][T12167] ___sys_sendmsg+0xee/0x170 [ 9704.911290][T12167] __sys_sendmsg+0xcd/0x170 [ 9704.911290][T12167] do_syscall_64+0xc6/0x1e0 [ 9704.911290][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9704.911290][T12167] [ 9704.913574][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9704.913574][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9704.913574][T12167] ipv6_find_idev+0x102/0x170 [ 9704.913574][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9704.913574][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9704.913574][T12167] netlink_rcv_skb+0x130/0x360 [ 9704.913574][T12167] netlink_unicast+0x449/0x710 [ 9704.913574][T12167] netlink_sendmsg+0x723/0xbe0 [ 9704.913574][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9704.913574][T12167] ___sys_sendmsg+0xee/0x170 [ 9704.913574][T12167] __sys_sendmsg+0xcd/0x170 [ 9704.913574][T12167] do_syscall_64+0xc6/0x1e0 [ 9704.913574][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9704.913574][T12167] [ 9704.915305][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9704.915305][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9704.915305][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9704.915305][T12167] ipv6_find_idev+0x102/0x170 [ 9704.915305][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9704.915305][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9704.915305][T12167] netlink_rcv_skb+0x130/0x360 [ 9704.915305][T12167] netlink_unicast+0x449/0x710 [ 9704.915305][T12167] netlink_sendmsg+0x723/0xbe0 [ 9704.915305][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9704.915305][T12167] ___sys_sendmsg+0xee/0x170 [ 9704.915305][T12167] __sys_sendmsg+0xcd/0x170 [ 9704.915305][T12167] do_syscall_64+0xc6/0x1e0 [ 9704.915305][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9704.915305][T12167] [ 9705.678804][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9705.679235][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9705.679235][ T10] dst_init+0x84/0x4a0 [ 9705.679235][ T10] dst_alloc+0x97/0x150 [ 9705.679235][ T10] ip6_dst_alloc+0x23/0x90 [ 9705.679235][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9705.679235][ T10] ip6_pol_route+0x56f/0x840 [ 9705.679235][ T10] fib6_rule_lookup+0x334/0x630 [ 9705.679235][ T10] ip6_route_output_flags+0x259/0x480 [ 9705.679235][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9705.679235][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9705.679235][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9705.679235][ T10] ____sys_sendmsg+0x772/0xa10 [ 9705.679235][ T10] ___sys_sendmsg+0xee/0x170 [ 9705.679235][ T10] __sys_sendmsg+0xcd/0x170 [ 9705.679235][ T10] do_syscall_64+0xc6/0x1e0 [ 9705.679235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9705.679235][ T10] [ 9705.681143][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9705.681143][ T10] dst_init+0x84/0x4a0 [ 9705.681143][ T10] dst_alloc+0x97/0x150 [ 9705.681143][ T10] ip6_dst_alloc+0x23/0x90 [ 9705.681143][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9705.681143][ T10] ip6_pol_route+0x56f/0x840 [ 9705.681143][ T10] fib6_rule_lookup+0x334/0x630 [ 9705.681143][ T10] ip6_route_output_flags+0x259/0x480 [ 9705.681143][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9705.681143][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9705.681143][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9705.681143][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9705.681143][ T10] ____sys_sendmsg+0x772/0xa10 [ 9705.681143][ T10] ___sys_sendmsg+0xee/0x170 [ 9705.681143][ T10] __sys_sendmsg+0xcd/0x170 [ 9705.681143][ T10] do_syscall_64+0xc6/0x1e0 [ 9705.681143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9705.681143][ T10] [ 9705.683145][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9705.683145][ T10] dst_init+0x84/0x4a0 [ 9705.683145][ T10] dst_alloc+0x97/0x150 [ 9705.683145][ T10] ip6_dst_alloc+0x23/0x90 [ 9705.683145][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9705.683145][ T10] ip6_pol_route+0x56f/0x840 [ 9705.683145][ T10] fib6_rule_lookup+0x334/0x630 [ 9705.683145][ T10] ip6_route_output_flags+0x259/0x480 [ 9705.683145][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9705.683145][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9705.683145][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9705.683145][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9705.683145][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9705.683145][ T10] ___sys_sendmsg+0xee/0x170 [ 9705.683145][ T10] __sys_sendmsg+0xcd/0x170 [ 9705.683145][ T10] do_syscall_64+0xc6/0x1e0 [ 9705.683145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9705.683145][ T10] [ 9705.685140][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9705.685140][ T10] netdev_get_by_index+0x5e/0x80 [ 9705.685140][ T10] fib6_nh_init+0x3d8/0x1580 [ 9705.685140][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9705.685140][ T10] ip6_route_add+0x1c/0x140 [ 9705.685140][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9705.685140][ T10] inet6_addr_add+0x4f8/0xa40 [ 9705.685140][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9705.685140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9705.685140][ T10] netlink_rcv_skb+0x130/0x360 [ 9705.685140][ T10] netlink_unicast+0x449/0x710 [ 9705.685140][ T10] netlink_sendmsg+0x723/0xbe0 [ 9705.685140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9705.685140][ T10] ___sys_sendmsg+0xee/0x170 [ 9705.685140][ T10] __sys_sendmsg+0xcd/0x170 [ 9705.685140][ T10] do_syscall_64+0xc6/0x1e0 [ 9705.685140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9705.685140][ T10] [ 9705.687137][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9705.687137][ T10] netdev_get_by_index+0x5e/0x80 [ 9705.687137][ T10] fib6_nh_init+0x3d8/0x1580 [ 9705.687137][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9705.687137][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9705.687137][ T10] ipv6_add_addr+0x411/0x2000 [ 9705.687137][ T10] inet6_addr_add+0x30e/0xa40 [ 9705.687137][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9705.687137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9705.687137][ T10] netlink_rcv_skb+0x130/0x360 [ 9705.687137][ T10] netlink_unicast+0x449/0x710 [ 9705.687137][ T10] netlink_sendmsg+0x723/0xbe0 [ 9705.687137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9705.687137][ T10] ___sys_sendmsg+0xee/0x170 [ 9705.687137][ T10] __sys_sendmsg+0xcd/0x170 [ 9705.687137][ T10] do_syscall_64+0xc6/0x1e0 [ 9705.687137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9705.687137][ T10] [ 9705.689124][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9705.689124][ T10] netdev_get_by_index+0x5e/0x80 [ 9705.689124][ T10] fib6_nh_init+0x3d8/0x1580 [ 9705.689124][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9705.689124][ T10] ip6_route_add+0x1c/0x140 [ 9705.689124][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9705.689124][ T10] addrconf_add_dev+0xe2/0x170 [ 9705.689124][ T10] inet6_addr_add+0x12f/0xa40 [ 9705.689124][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9705.689124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9705.689124][ T10] netlink_rcv_skb+0x130/0x360 [ 9705.689124][ T10] netlink_unicast+0x449/0x710 [ 9705.689124][ T10] netlink_sendmsg+0x723/0xbe0 [ 9705.689124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9705.689124][ T10] ___sys_sendmsg+0xee/0x170 [ 9705.689124][ T10] __sys_sendmsg+0xcd/0x170 [ 9705.689124][ T10] do_syscall_64+0xc6/0x1e0 [ 9705.689124][ T10] [ 9705.691083][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9705.691083][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9705.691083][ T10] ipv6_find_idev+0x102/0x170 [ 9705.691083][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9705.691083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9705.691083][ T10] netlink_rcv_skb+0x130/0x360 [ 9705.691083][ T10] netlink_unicast+0x449/0x710 [ 9705.691083][ T10] netlink_sendmsg+0x723/0xbe0 [ 9705.691083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9705.691083][ T10] ___sys_sendmsg+0xee/0x170 [ 9705.691083][ T10] __sys_sendmsg+0xcd/0x170 [ 9705.691083][ T10] do_syscall_64+0xc6/0x1e0 [ 9705.691083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9705.691083][ T10] [ 9705.692618][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9705.692618][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9705.692618][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9705.692618][ T10] ipv6_find_idev+0x102/0x170 [ 9705.692618][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9705.692618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9705.692618][ T10] netlink_rcv_skb+0x130/0x360 [ 9705.692618][ T10] netlink_unicast+0x449/0x710 [ 9705.692618][ T10] netlink_sendmsg+0x723/0xbe0 [ 9705.692618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9705.692618][ T10] ___sys_sendmsg+0xee/0x170 [ 9705.692618][ T10] __sys_sendmsg+0xcd/0x170 [ 9705.692618][ T10] do_syscall_64+0xc6/0x1e0 [ 9705.692618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9705.692618][ T10] [ 9708.838902][ T42] INFO: task modprobe:12646 blocked for more than 983 seconds. [ 9708.839132][ T42] Not tainted 6.8.0-virtme #1 [ 9708.839250][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 9708.839454][ T42] task:modprobe state:D stack:25856 pid:12646 tgid:12646 ppid:44 flags:0x00004002 [ 9708.839732][ T42] Call Trace: [ 9708.839829][ T42] [ 9708.839901][ T42] __schedule+0x705/0x1ac0 [ 9708.840037][ T42] ? __pfx___schedule+0x10/0x10 [ 9708.840172][ T42] ? schedule+0x1a5/0x210 [ 9708.840269][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 9708.840400][ T42] ? mark_lock+0x38/0x3e0 [ 9708.840500][ T42] ? do_raw_spin_lock+0x131/0x270 [ 9708.840631][ T42] ? schedule+0x1a5/0x210 [ 9708.840743][ T42] schedule+0xdf/0x210 [ 9708.840838][ T42] schedule_preempt_disabled+0x15/0x30 [ 9708.840961][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 9708.841097][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 9708.841251][ T42] ? __pfx_console_unlock+0x10/0x10 [ 9708.841376][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 9708.841510][ T42] ? lock_acquire+0x1c1/0x220 [ 9708.841636][ T42] ? register_pernet_subsys+0x1a/0x50 [ 9708.841777][ T42] down_write+0x1c9/0x200 [ 9708.841874][ T42] ? __pfx_down_write+0x10/0x10 [ 9708.841998][ T42] ? __pfx__printk+0x10/0x10 [ 9708.842126][ T42] ? __pfx___lock_release+0x10/0x10 [ 9708.842254][ T42] register_pernet_subsys+0x1a/0x50 [ 9708.842377][ T42] tcf_register_action+0xa3/0x600 [ 9708.842504][ T42] ? __pfx_gact_init_module+0x10/0x10 [act_gact] [ 9708.842665][ T42] do_one_initcall+0xc8/0x3f0 [ 9708.842802][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 9708.842933][ T42] ? __create_object+0x5e/0xb0 [ 9708.843067][ T42] ? kasan_unpoison+0x27/0x60 [ 9708.843202][ T42] do_init_module+0x233/0x740 [ 9708.843339][ T42] load_module+0x16b5/0x2350 [ 9708.843489][ T42] ? __pfx_load_module+0x10/0x10 [ 9708.843613][ T42] ? kernel_read_file+0x3d2/0x520 [ 9708.843750][ T42] ? kernel_read_file+0x300/0x520 [ 9708.843882][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 9708.844014][ T42] ? init_module_from_file+0xd2/0x130 [ 9708.844156][ T42] init_module_from_file+0xd2/0x130 [ 9708.844285][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 9708.844443][ T42] ? __lock_release+0x103/0x460 [ 9708.844567][ T42] ? idempotent_init_module+0x32a/0x620 [ 9708.844719][ T42] ? idempotent_init_module+0x32a/0x620 [ 9708.844847][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 9708.844978][ T42] idempotent_init_module+0x342/0x620 [ 9708.845105][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 9708.845278][ T42] __x64_sys_finit_module+0xbe/0x130 [ 9708.845406][ T42] do_syscall_64+0xc6/0x1e0 [ 9708.845538][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9708.845709][ T42] RIP: 0033:0x7fac120f1e5d [ 9708.845840][ T42] RSP: 002b:00007ffc57d8a578 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 9708.846030][ T42] RAX: ffffffffffffffda RBX: 0000557fdddd7c80 RCX: 00007fac120f1e5d [ 9708.846215][ T42] RDX: 0000000000000000 RSI: 0000557fb6aeba2a RDI: 0000000000000000 [ 9708.846401][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffc57d8a6b0 [ 9708.846588][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557fb6aeba2a [ 9708.846787][ T42] R13: 0000557fdddd7ac0 R14: 0000557fdddd80b0 R15: 0000557fdddd7cf1 [ 9708.846999][ T42] [ 9708.847100][ T42] [ 9708.847100][ T42] Showing all locks held in the system: [ 9708.847286][ T42] 3 locks held by kworker/u16:0/10: [ 9708.847414][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 9708.847672][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 9708.847903][ T42] #2: ffffffff91f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 9708.848132][ T42] 1 lock held by khungtaskd/42: [ 9708.848253][ T42] #0: ffffffff917591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 9708.848481][ T42] 2 locks held by kworker/u17:1/44: [ 9708.848603][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 9708.848856][ T42] #1: ffffc90000317da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 9708.849141][ T42] 1 lock held by modprobe/12646: [ 9708.849261][ T42] #0: ffffffff91f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 9708.849512][ T42] [ 9708.849573][ T42] ============================================= [ 9708.849573][ T42] [ 9715.094880][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9715.095367][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9715.095367][T12167] netdev_get_by_index+0x5e/0x80 [ 9715.095367][T12167] fib6_nh_init+0x3d8/0x1580 [ 9715.095367][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9715.095367][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9715.095367][T12167] ipv6_add_addr+0x411/0x2000 [ 9715.095367][T12167] inet6_addr_add+0x30e/0xa40 [ 9715.095367][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9715.095367][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9715.095367][T12167] netlink_rcv_skb+0x130/0x360 [ 9715.095367][T12167] netlink_unicast+0x449/0x710 [ 9715.095367][T12167] netlink_sendmsg+0x723/0xbe0 [ 9715.095367][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9715.095367][T12167] ___sys_sendmsg+0xee/0x170 [ 9715.095367][T12167] __sys_sendmsg+0xcd/0x170 [ 9715.095367][T12167] do_syscall_64+0xc6/0x1e0 [ 9715.095367][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9715.095367][T12167] [ 9715.097678][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9715.097678][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9715.097678][T12167] ipv6_find_idev+0x102/0x170 [ 9715.097678][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9715.097678][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9715.097678][T12167] netlink_rcv_skb+0x130/0x360 [ 9715.097678][T12167] netlink_unicast+0x449/0x710 [ 9715.097678][T12167] netlink_sendmsg+0x723/0xbe0 [ 9715.097678][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9715.097678][T12167] ___sys_sendmsg+0xee/0x170 [ 9715.097678][T12167] __sys_sendmsg+0xcd/0x170 [ 9715.097678][T12167] do_syscall_64+0xc6/0x1e0 [ 9715.097678][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9715.097678][T12167] [ 9715.099464][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9715.099464][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9715.099464][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9715.099464][T12167] ipv6_find_idev+0x102/0x170 [ 9715.099464][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9715.099464][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9715.099464][T12167] netlink_rcv_skb+0x130/0x360 [ 9715.099464][T12167] netlink_unicast+0x449/0x710 [ 9715.099464][T12167] netlink_sendmsg+0x723/0xbe0 [ 9715.099464][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9715.099464][T12167] ___sys_sendmsg+0xee/0x170 [ 9715.099464][T12167] __sys_sendmsg+0xcd/0x170 [ 9715.099464][T12167] do_syscall_64+0xc6/0x1e0 [ 9715.099464][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9715.099464][T12167] [ 9715.862805][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9715.863215][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9715.863215][ T10] dst_init+0x84/0x4a0 [ 9715.863215][ T10] dst_alloc+0x97/0x150 [ 9715.863215][ T10] ip6_dst_alloc+0x23/0x90 [ 9715.863215][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9715.863215][ T10] ip6_pol_route+0x56f/0x840 [ 9715.863215][ T10] fib6_rule_lookup+0x334/0x630 [ 9715.863215][ T10] ip6_route_output_flags+0x259/0x480 [ 9715.863215][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9715.863215][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9715.863215][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9715.863215][ T10] ____sys_sendmsg+0x772/0xa10 [ 9715.863215][ T10] ___sys_sendmsg+0xee/0x170 [ 9715.863215][ T10] __sys_sendmsg+0xcd/0x170 [ 9715.863215][ T10] do_syscall_64+0xc6/0x1e0 [ 9715.863215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9715.863215][ T10] [ 9715.865149][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9715.865149][ T10] dst_init+0x84/0x4a0 [ 9715.865149][ T10] dst_alloc+0x97/0x150 [ 9715.865149][ T10] ip6_dst_alloc+0x23/0x90 [ 9715.865149][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9715.865149][ T10] ip6_pol_route+0x56f/0x840 [ 9715.865149][ T10] fib6_rule_lookup+0x334/0x630 [ 9715.865149][ T10] ip6_route_output_flags+0x259/0x480 [ 9715.865149][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9715.865149][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9715.865149][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9715.865149][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9715.865149][ T10] ____sys_sendmsg+0x772/0xa10 [ 9715.865149][ T10] ___sys_sendmsg+0xee/0x170 [ 9715.865149][ T10] __sys_sendmsg+0xcd/0x170 [ 9715.865149][ T10] do_syscall_64+0xc6/0x1e0 [ 9715.865149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9715.865149][ T10] [ 9715.867165][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9715.867165][ T10] dst_init+0x84/0x4a0 [ 9715.867165][ T10] dst_alloc+0x97/0x150 [ 9715.867165][ T10] ip6_dst_alloc+0x23/0x90 [ 9715.867165][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9715.867165][ T10] ip6_pol_route+0x56f/0x840 [ 9715.867165][ T10] fib6_rule_lookup+0x334/0x630 [ 9715.867165][ T10] ip6_route_output_flags+0x259/0x480 [ 9715.867165][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9715.867165][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9715.867165][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9715.867165][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9715.867165][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9715.867165][ T10] ___sys_sendmsg+0xee/0x170 [ 9715.867165][ T10] __sys_sendmsg+0xcd/0x170 [ 9715.867165][ T10] do_syscall_64+0xc6/0x1e0 [ 9715.867165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9715.867165][ T10] [ 9715.869186][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9715.869186][ T10] netdev_get_by_index+0x5e/0x80 [ 9715.869186][ T10] fib6_nh_init+0x3d8/0x1580 [ 9715.869186][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9715.869186][ T10] ip6_route_add+0x1c/0x140 [ 9715.869186][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9715.869186][ T10] inet6_addr_add+0x4f8/0xa40 [ 9715.869186][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9715.869186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9715.869186][ T10] netlink_rcv_skb+0x130/0x360 [ 9715.869186][ T10] netlink_unicast+0x449/0x710 [ 9715.869186][ T10] netlink_sendmsg+0x723/0xbe0 [ 9715.869186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9715.869186][ T10] ___sys_sendmsg+0xee/0x170 [ 9715.869186][ T10] __sys_sendmsg+0xcd/0x170 [ 9715.869186][ T10] do_syscall_64+0xc6/0x1e0 [ 9715.869186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9715.869186][ T10] [ 9715.871210][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9715.871210][ T10] netdev_get_by_index+0x5e/0x80 [ 9715.871210][ T10] fib6_nh_init+0x3d8/0x1580 [ 9715.871210][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9715.871210][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9715.871210][ T10] ipv6_add_addr+0x411/0x2000 [ 9715.871210][ T10] inet6_addr_add+0x30e/0xa40 [ 9715.871210][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9715.871210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9715.871210][ T10] netlink_rcv_skb+0x130/0x360 [ 9715.871210][ T10] netlink_unicast+0x449/0x710 [ 9715.871210][ T10] netlink_sendmsg+0x723/0xbe0 [ 9715.871210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9715.871210][ T10] ___sys_sendmsg+0xee/0x170 [ 9715.871210][ T10] __sys_sendmsg+0xcd/0x170 [ 9715.871210][ T10] do_syscall_64+0xc6/0x1e0 [ 9715.871210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9715.871210][ T10] [ 9715.873215][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9715.873215][ T10] netdev_get_by_index+0x5e/0x80 [ 9715.873215][ T10] fib6_nh_init+0x3d8/0x1580 [ 9715.873215][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9715.873215][ T10] ip6_route_add+0x1c/0x140 [ 9715.873215][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9715.873215][ T10] addrconf_add_dev+0xe2/0x170 [ 9715.873215][ T10] inet6_addr_add+0x12f/0xa40 [ 9715.873215][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9715.873215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9715.873215][ T10] netlink_rcv_skb+0x130/0x360 [ 9715.873215][ T10] netlink_unicast+0x449/0x710 [ 9715.873215][ T10] netlink_sendmsg+0x723/0xbe0 [ 9715.873215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9715.873215][ T10] ___sys_sendmsg+0xee/0x170 [ 9715.873215][ T10] __sys_sendmsg+0xcd/0x170 [ 9715.873215][ T10] do_syscall_64+0xc6/0x1e0 [ 9715.873215][ T10] [ 9715.875191][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9715.875191][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9715.875191][ T10] ipv6_find_idev+0x102/0x170 [ 9715.875191][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9715.875191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9715.875191][ T10] netlink_rcv_skb+0x130/0x360 [ 9715.875191][ T10] netlink_unicast+0x449/0x710 [ 9715.875191][ T10] netlink_sendmsg+0x723/0xbe0 [ 9715.875191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9715.875191][ T10] ___sys_sendmsg+0xee/0x170 [ 9715.875191][ T10] __sys_sendmsg+0xcd/0x170 [ 9715.875191][ T10] do_syscall_64+0xc6/0x1e0 [ 9715.875191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9715.875191][ T10] [ 9715.876753][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9715.876753][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9715.876753][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9715.876753][ T10] ipv6_find_idev+0x102/0x170 [ 9715.876753][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9715.876753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9715.876753][ T10] netlink_rcv_skb+0x130/0x360 [ 9715.876753][ T10] netlink_unicast+0x449/0x710 [ 9715.876753][ T10] netlink_sendmsg+0x723/0xbe0 [ 9715.876753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9715.876753][ T10] ___sys_sendmsg+0xee/0x170 [ 9715.876753][ T10] __sys_sendmsg+0xcd/0x170 [ 9715.876753][ T10] do_syscall_64+0xc6/0x1e0 [ 9715.876753][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9715.876753][ T10] [ 9725.102807][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9725.103309][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9725.103309][T12167] netdev_get_by_index+0x5e/0x80 [ 9725.103309][T12167] fib6_nh_init+0x3d8/0x1580 [ 9725.103309][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9725.103309][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9725.103309][T12167] ipv6_add_addr+0x411/0x2000 [ 9725.103309][T12167] inet6_addr_add+0x30e/0xa40 [ 9725.103309][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9725.103309][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9725.103309][T12167] netlink_rcv_skb+0x130/0x360 [ 9725.103309][T12167] netlink_unicast+0x449/0x710 [ 9725.103309][T12167] netlink_sendmsg+0x723/0xbe0 [ 9725.103309][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9725.103309][T12167] ___sys_sendmsg+0xee/0x170 [ 9725.103309][T12167] __sys_sendmsg+0xcd/0x170 [ 9725.103309][T12167] do_syscall_64+0xc6/0x1e0 [ 9725.103309][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9725.103309][T12167] [ 9725.105598][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9725.105598][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9725.105598][T12167] ipv6_find_idev+0x102/0x170 [ 9725.105598][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9725.105598][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9725.105598][T12167] netlink_rcv_skb+0x130/0x360 [ 9725.105598][T12167] netlink_unicast+0x449/0x710 [ 9725.105598][T12167] netlink_sendmsg+0x723/0xbe0 [ 9725.105598][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9725.105598][T12167] ___sys_sendmsg+0xee/0x170 [ 9725.105598][T12167] __sys_sendmsg+0xcd/0x170 [ 9725.105598][T12167] do_syscall_64+0xc6/0x1e0 [ 9725.105598][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9725.105598][T12167] [ 9725.107356][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9725.107356][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9725.107356][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9725.107356][T12167] ipv6_find_idev+0x102/0x170 [ 9725.107356][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9725.107356][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9725.107356][T12167] netlink_rcv_skb+0x130/0x360 [ 9725.107356][T12167] netlink_unicast+0x449/0x710 [ 9725.107356][T12167] netlink_sendmsg+0x723/0xbe0 [ 9725.107356][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9725.107356][T12167] ___sys_sendmsg+0xee/0x170 [ 9725.107356][T12167] __sys_sendmsg+0xcd/0x170 [ 9725.107356][T12167] do_syscall_64+0xc6/0x1e0 [ 9725.107356][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9725.107356][T12167] [ 9726.118874][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9726.119289][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9726.119289][ T10] dst_init+0x84/0x4a0 [ 9726.119289][ T10] dst_alloc+0x97/0x150 [ 9726.119289][ T10] ip6_dst_alloc+0x23/0x90 [ 9726.119289][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9726.119289][ T10] ip6_pol_route+0x56f/0x840 [ 9726.119289][ T10] fib6_rule_lookup+0x334/0x630 [ 9726.119289][ T10] ip6_route_output_flags+0x259/0x480 [ 9726.119289][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9726.119289][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9726.119289][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9726.119289][ T10] ____sys_sendmsg+0x772/0xa10 [ 9726.119289][ T10] ___sys_sendmsg+0xee/0x170 [ 9726.119289][ T10] __sys_sendmsg+0xcd/0x170 [ 9726.119289][ T10] do_syscall_64+0xc6/0x1e0 [ 9726.119289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9726.119289][ T10] [ 9726.121247][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9726.121247][ T10] dst_init+0x84/0x4a0 [ 9726.121247][ T10] dst_alloc+0x97/0x150 [ 9726.121247][ T10] ip6_dst_alloc+0x23/0x90 [ 9726.121247][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9726.121247][ T10] ip6_pol_route+0x56f/0x840 [ 9726.121247][ T10] fib6_rule_lookup+0x334/0x630 [ 9726.121247][ T10] ip6_route_output_flags+0x259/0x480 [ 9726.121247][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9726.121247][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9726.121247][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9726.121247][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9726.121247][ T10] ____sys_sendmsg+0x772/0xa10 [ 9726.121247][ T10] ___sys_sendmsg+0xee/0x170 [ 9726.121247][ T10] __sys_sendmsg+0xcd/0x170 [ 9726.121247][ T10] do_syscall_64+0xc6/0x1e0 [ 9726.121247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9726.121247][ T10] [ 9726.123260][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9726.123260][ T10] dst_init+0x84/0x4a0 [ 9726.123260][ T10] dst_alloc+0x97/0x150 [ 9726.123260][ T10] ip6_dst_alloc+0x23/0x90 [ 9726.123260][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9726.123260][ T10] ip6_pol_route+0x56f/0x840 [ 9726.123260][ T10] fib6_rule_lookup+0x334/0x630 [ 9726.123260][ T10] ip6_route_output_flags+0x259/0x480 [ 9726.123260][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9726.123260][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9726.123260][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9726.123260][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9726.123260][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9726.123260][ T10] ___sys_sendmsg+0xee/0x170 [ 9726.123260][ T10] __sys_sendmsg+0xcd/0x170 [ 9726.123260][ T10] do_syscall_64+0xc6/0x1e0 [ 9726.123260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9726.123260][ T10] [ 9726.125275][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9726.125275][ T10] netdev_get_by_index+0x5e/0x80 [ 9726.125275][ T10] fib6_nh_init+0x3d8/0x1580 [ 9726.125275][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9726.125275][ T10] ip6_route_add+0x1c/0x140 [ 9726.125275][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9726.125275][ T10] inet6_addr_add+0x4f8/0xa40 [ 9726.125275][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9726.125275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9726.125275][ T10] netlink_rcv_skb+0x130/0x360 [ 9726.125275][ T10] netlink_unicast+0x449/0x710 [ 9726.125275][ T10] netlink_sendmsg+0x723/0xbe0 [ 9726.125275][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9726.125275][ T10] ___sys_sendmsg+0xee/0x170 [ 9726.125275][ T10] __sys_sendmsg+0xcd/0x170 [ 9726.125275][ T10] do_syscall_64+0xc6/0x1e0 [ 9726.125275][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9726.125275][ T10] [ 9726.127289][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9726.127289][ T10] netdev_get_by_index+0x5e/0x80 [ 9726.127289][ T10] fib6_nh_init+0x3d8/0x1580 [ 9726.127289][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9726.127289][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9726.127289][ T10] ipv6_add_addr+0x411/0x2000 [ 9726.127289][ T10] inet6_addr_add+0x30e/0xa40 [ 9726.127289][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9726.127289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9726.127289][ T10] netlink_rcv_skb+0x130/0x360 [ 9726.127289][ T10] netlink_unicast+0x449/0x710 [ 9726.127289][ T10] netlink_sendmsg+0x723/0xbe0 [ 9726.127289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9726.127289][ T10] ___sys_sendmsg+0xee/0x170 [ 9726.127289][ T10] __sys_sendmsg+0xcd/0x170 [ 9726.127289][ T10] do_syscall_64+0xc6/0x1e0 [ 9726.127289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9726.127289][ T10] [ 9726.129291][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9726.129291][ T10] netdev_get_by_index+0x5e/0x80 [ 9726.129291][ T10] fib6_nh_init+0x3d8/0x1580 [ 9726.129291][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9726.129291][ T10] ip6_route_add+0x1c/0x140 [ 9726.129291][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9726.129291][ T10] addrconf_add_dev+0xe2/0x170 [ 9726.129291][ T10] inet6_addr_add+0x12f/0xa40 [ 9726.129291][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9726.129291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9726.129291][ T10] netlink_rcv_skb+0x130/0x360 [ 9726.129291][ T10] netlink_unicast+0x449/0x710 [ 9726.129291][ T10] netlink_sendmsg+0x723/0xbe0 [ 9726.129291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9726.129291][ T10] ___sys_sendmsg+0xee/0x170 [ 9726.129291][ T10] __sys_sendmsg+0xcd/0x170 [ 9726.129291][ T10] do_syscall_64+0xc6/0x1e0 [ 9726.129291][ T10] [ 9726.131269][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9726.131269][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9726.131269][ T10] ipv6_find_idev+0x102/0x170 [ 9726.131269][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9726.131269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9726.131269][ T10] netlink_rcv_skb+0x130/0x360 [ 9726.131269][ T10] netlink_unicast+0x449/0x710 [ 9726.131269][ T10] netlink_sendmsg+0x723/0xbe0 [ 9726.131269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9726.131269][ T10] ___sys_sendmsg+0xee/0x170 [ 9726.131269][ T10] __sys_sendmsg+0xcd/0x170 [ 9726.131269][ T10] do_syscall_64+0xc6/0x1e0 [ 9726.131269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9726.131269][ T10] [ 9726.132819][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9726.132819][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9726.132819][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9726.132819][ T10] ipv6_find_idev+0x102/0x170 [ 9726.132819][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9726.132819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9726.132819][ T10] netlink_rcv_skb+0x130/0x360 [ 9726.132819][ T10] netlink_unicast+0x449/0x710 [ 9726.132819][ T10] netlink_sendmsg+0x723/0xbe0 [ 9726.132819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9726.132819][ T10] ___sys_sendmsg+0xee/0x170 [ 9726.132819][ T10] __sys_sendmsg+0xcd/0x170 [ 9726.132819][ T10] do_syscall_64+0xc6/0x1e0 [ 9726.132819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9726.132819][ T10] [ 9735.358817][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9735.359246][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9735.359246][T12167] netdev_get_by_index+0x5e/0x80 [ 9735.359246][T12167] fib6_nh_init+0x3d8/0x1580 [ 9735.359246][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9735.359246][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9735.359246][T12167] ipv6_add_addr+0x411/0x2000 [ 9735.359246][T12167] inet6_addr_add+0x30e/0xa40 [ 9735.359246][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9735.359246][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9735.359246][T12167] netlink_rcv_skb+0x130/0x360 [ 9735.359246][T12167] netlink_unicast+0x449/0x710 [ 9735.359246][T12167] netlink_sendmsg+0x723/0xbe0 [ 9735.359246][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9735.359246][T12167] ___sys_sendmsg+0xee/0x170 [ 9735.359246][T12167] __sys_sendmsg+0xcd/0x170 [ 9735.359246][T12167] do_syscall_64+0xc6/0x1e0 [ 9735.359246][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9735.359246][T12167] [ 9735.361548][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9735.361548][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9735.361548][T12167] ipv6_find_idev+0x102/0x170 [ 9735.361548][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9735.361548][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9735.361548][T12167] netlink_rcv_skb+0x130/0x360 [ 9735.361548][T12167] netlink_unicast+0x449/0x710 [ 9735.361548][T12167] netlink_sendmsg+0x723/0xbe0 [ 9735.361548][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9735.361548][T12167] ___sys_sendmsg+0xee/0x170 [ 9735.361548][T12167] __sys_sendmsg+0xcd/0x170 [ 9735.361548][T12167] do_syscall_64+0xc6/0x1e0 [ 9735.361548][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9735.361548][T12167] [ 9735.363288][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9735.363288][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9735.363288][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9735.363288][T12167] ipv6_find_idev+0x102/0x170 [ 9735.363288][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9735.363288][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9735.363288][T12167] netlink_rcv_skb+0x130/0x360 [ 9735.363288][T12167] netlink_unicast+0x449/0x710 [ 9735.363288][T12167] netlink_sendmsg+0x723/0xbe0 [ 9735.363288][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9735.363288][T12167] ___sys_sendmsg+0xee/0x170 [ 9735.363288][T12167] __sys_sendmsg+0xcd/0x170 [ 9735.363288][T12167] do_syscall_64+0xc6/0x1e0 [ 9735.363288][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9735.363288][T12167] [ 9736.374716][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9736.375080][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9736.375080][ T10] dst_init+0x84/0x4a0 [ 9736.375080][ T10] dst_alloc+0x97/0x150 [ 9736.375080][ T10] ip6_dst_alloc+0x23/0x90 [ 9736.375080][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9736.375080][ T10] ip6_pol_route+0x56f/0x840 [ 9736.375080][ T10] fib6_rule_lookup+0x334/0x630 [ 9736.375080][ T10] ip6_route_output_flags+0x259/0x480 [ 9736.375080][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9736.375080][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9736.375080][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9736.375080][ T10] ____sys_sendmsg+0x772/0xa10 [ 9736.375080][ T10] ___sys_sendmsg+0xee/0x170 [ 9736.375080][ T10] __sys_sendmsg+0xcd/0x170 [ 9736.375080][ T10] do_syscall_64+0xc6/0x1e0 [ 9736.375080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9736.375080][ T10] [ 9736.376986][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9736.376986][ T10] dst_init+0x84/0x4a0 [ 9736.376986][ T10] dst_alloc+0x97/0x150 [ 9736.376986][ T10] ip6_dst_alloc+0x23/0x90 [ 9736.376986][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9736.376986][ T10] ip6_pol_route+0x56f/0x840 [ 9736.376986][ T10] fib6_rule_lookup+0x334/0x630 [ 9736.376986][ T10] ip6_route_output_flags+0x259/0x480 [ 9736.376986][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9736.376986][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9736.376986][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9736.376986][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9736.376986][ T10] ____sys_sendmsg+0x772/0xa10 [ 9736.376986][ T10] ___sys_sendmsg+0xee/0x170 [ 9736.376986][ T10] __sys_sendmsg+0xcd/0x170 [ 9736.376986][ T10] do_syscall_64+0xc6/0x1e0 [ 9736.376986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9736.376986][ T10] [ 9736.379010][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9736.379010][ T10] dst_init+0x84/0x4a0 [ 9736.379010][ T10] dst_alloc+0x97/0x150 [ 9736.379010][ T10] ip6_dst_alloc+0x23/0x90 [ 9736.379010][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9736.379010][ T10] ip6_pol_route+0x56f/0x840 [ 9736.379010][ T10] fib6_rule_lookup+0x334/0x630 [ 9736.379010][ T10] ip6_route_output_flags+0x259/0x480 [ 9736.379010][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9736.379010][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9736.379010][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9736.379010][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9736.379010][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9736.379010][ T10] ___sys_sendmsg+0xee/0x170 [ 9736.379010][ T10] __sys_sendmsg+0xcd/0x170 [ 9736.379010][ T10] do_syscall_64+0xc6/0x1e0 [ 9736.379010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9736.379010][ T10] [ 9736.381033][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9736.381033][ T10] netdev_get_by_index+0x5e/0x80 [ 9736.381033][ T10] fib6_nh_init+0x3d8/0x1580 [ 9736.381033][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9736.381033][ T10] ip6_route_add+0x1c/0x140 [ 9736.381033][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9736.381033][ T10] inet6_addr_add+0x4f8/0xa40 [ 9736.381033][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9736.381033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9736.381033][ T10] netlink_rcv_skb+0x130/0x360 [ 9736.381033][ T10] netlink_unicast+0x449/0x710 [ 9736.381033][ T10] netlink_sendmsg+0x723/0xbe0 [ 9736.381033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9736.381033][ T10] ___sys_sendmsg+0xee/0x170 [ 9736.381033][ T10] __sys_sendmsg+0xcd/0x170 [ 9736.381033][ T10] do_syscall_64+0xc6/0x1e0 [ 9736.381033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9736.381033][ T10] [ 9736.383046][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9736.383046][ T10] netdev_get_by_index+0x5e/0x80 [ 9736.383046][ T10] fib6_nh_init+0x3d8/0x1580 [ 9736.383046][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9736.383046][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9736.383046][ T10] ipv6_add_addr+0x411/0x2000 [ 9736.383046][ T10] inet6_addr_add+0x30e/0xa40 [ 9736.383046][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9736.383046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9736.383046][ T10] netlink_rcv_skb+0x130/0x360 [ 9736.383046][ T10] netlink_unicast+0x449/0x710 [ 9736.383046][ T10] netlink_sendmsg+0x723/0xbe0 [ 9736.383046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9736.383046][ T10] ___sys_sendmsg+0xee/0x170 [ 9736.383046][ T10] __sys_sendmsg+0xcd/0x170 [ 9736.383046][ T10] do_syscall_64+0xc6/0x1e0 [ 9736.383046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9736.383046][ T10] [ 9736.385055][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9736.385055][ T10] netdev_get_by_index+0x5e/0x80 [ 9736.385055][ T10] fib6_nh_init+0x3d8/0x1580 [ 9736.385055][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9736.385055][ T10] ip6_route_add+0x1c/0x140 [ 9736.385055][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9736.385055][ T10] addrconf_add_dev+0xe2/0x170 [ 9736.385055][ T10] inet6_addr_add+0x12f/0xa40 [ 9736.385055][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9736.385055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9736.385055][ T10] netlink_rcv_skb+0x130/0x360 [ 9736.385055][ T10] netlink_unicast+0x449/0x710 [ 9736.385055][ T10] netlink_sendmsg+0x723/0xbe0 [ 9736.385055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9736.385055][ T10] ___sys_sendmsg+0xee/0x170 [ 9736.385055][ T10] __sys_sendmsg+0xcd/0x170 [ 9736.385055][ T10] do_syscall_64+0xc6/0x1e0 [ 9736.385055][ T10] [ 9736.387046][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9736.387046][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9736.387046][ T10] ipv6_find_idev+0x102/0x170 [ 9736.387046][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9736.387046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9736.387046][ T10] netlink_rcv_skb+0x130/0x360 [ 9736.387046][ T10] netlink_unicast+0x449/0x710 [ 9736.387046][ T10] netlink_sendmsg+0x723/0xbe0 [ 9736.387046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9736.387046][ T10] ___sys_sendmsg+0xee/0x170 [ 9736.387046][ T10] __sys_sendmsg+0xcd/0x170 [ 9736.387046][ T10] do_syscall_64+0xc6/0x1e0 [ 9736.387046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9736.387046][ T10] [ 9736.388611][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9736.388611][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9736.388611][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9736.388611][ T10] ipv6_find_idev+0x102/0x170 [ 9736.388611][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9736.388611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9736.388611][ T10] netlink_rcv_skb+0x130/0x360 [ 9736.388611][ T10] netlink_unicast+0x449/0x710 [ 9736.388611][ T10] netlink_sendmsg+0x723/0xbe0 [ 9736.388611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9736.388611][ T10] ___sys_sendmsg+0xee/0x170 [ 9736.388611][ T10] __sys_sendmsg+0xcd/0x170 [ 9736.388611][ T10] do_syscall_64+0xc6/0x1e0 [ 9736.388611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9736.388611][ T10] [ 9745.382835][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9745.383279][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9745.383279][T12167] netdev_get_by_index+0x5e/0x80 [ 9745.383279][T12167] fib6_nh_init+0x3d8/0x1580 [ 9745.383279][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9745.383279][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9745.383279][T12167] ipv6_add_addr+0x411/0x2000 [ 9745.383279][T12167] inet6_addr_add+0x30e/0xa40 [ 9745.383279][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9745.383279][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9745.383279][T12167] netlink_rcv_skb+0x130/0x360 [ 9745.383279][T12167] netlink_unicast+0x449/0x710 [ 9745.383279][T12167] netlink_sendmsg+0x723/0xbe0 [ 9745.383279][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9745.383279][T12167] ___sys_sendmsg+0xee/0x170 [ 9745.383279][T12167] __sys_sendmsg+0xcd/0x170 [ 9745.383279][T12167] do_syscall_64+0xc6/0x1e0 [ 9745.383279][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9745.383279][T12167] [ 9745.385581][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9745.385581][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9745.385581][T12167] ipv6_find_idev+0x102/0x170 [ 9745.385581][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9745.385581][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9745.385581][T12167] netlink_rcv_skb+0x130/0x360 [ 9745.385581][T12167] netlink_unicast+0x449/0x710 [ 9745.385581][T12167] netlink_sendmsg+0x723/0xbe0 [ 9745.385581][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9745.385581][T12167] ___sys_sendmsg+0xee/0x170 [ 9745.385581][T12167] __sys_sendmsg+0xcd/0x170 [ 9745.385581][T12167] do_syscall_64+0xc6/0x1e0 [ 9745.385581][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9745.385581][T12167] [ 9745.387356][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9745.387356][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9745.387356][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9745.387356][T12167] ipv6_find_idev+0x102/0x170 [ 9745.387356][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9745.387356][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9745.387356][T12167] netlink_rcv_skb+0x130/0x360 [ 9745.387356][T12167] netlink_unicast+0x449/0x710 [ 9745.387356][T12167] netlink_sendmsg+0x723/0xbe0 [ 9745.387356][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9745.387356][T12167] ___sys_sendmsg+0xee/0x170 [ 9745.387356][T12167] __sys_sendmsg+0xcd/0x170 [ 9745.387356][T12167] do_syscall_64+0xc6/0x1e0 [ 9745.387356][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9745.387356][T12167] [ 9746.406827][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9746.407192][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9746.407192][ T10] dst_init+0x84/0x4a0 [ 9746.407192][ T10] dst_alloc+0x97/0x150 [ 9746.407192][ T10] ip6_dst_alloc+0x23/0x90 [ 9746.407192][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9746.407192][ T10] ip6_pol_route+0x56f/0x840 [ 9746.407192][ T10] fib6_rule_lookup+0x334/0x630 [ 9746.407192][ T10] ip6_route_output_flags+0x259/0x480 [ 9746.407192][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9746.407192][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9746.407192][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9746.407192][ T10] ____sys_sendmsg+0x772/0xa10 [ 9746.407192][ T10] ___sys_sendmsg+0xee/0x170 [ 9746.407192][ T10] __sys_sendmsg+0xcd/0x170 [ 9746.407192][ T10] do_syscall_64+0xc6/0x1e0 [ 9746.407192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9746.407192][ T10] [ 9746.409106][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9746.409106][ T10] dst_init+0x84/0x4a0 [ 9746.409106][ T10] dst_alloc+0x97/0x150 [ 9746.409106][ T10] ip6_dst_alloc+0x23/0x90 [ 9746.409106][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9746.409106][ T10] ip6_pol_route+0x56f/0x840 [ 9746.409106][ T10] fib6_rule_lookup+0x334/0x630 [ 9746.409106][ T10] ip6_route_output_flags+0x259/0x480 [ 9746.409106][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9746.409106][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9746.409106][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9746.409106][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9746.409106][ T10] ____sys_sendmsg+0x772/0xa10 [ 9746.409106][ T10] ___sys_sendmsg+0xee/0x170 [ 9746.409106][ T10] __sys_sendmsg+0xcd/0x170 [ 9746.409106][ T10] do_syscall_64+0xc6/0x1e0 [ 9746.409106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9746.409106][ T10] [ 9746.411132][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9746.411132][ T10] dst_init+0x84/0x4a0 [ 9746.411132][ T10] dst_alloc+0x97/0x150 [ 9746.411132][ T10] ip6_dst_alloc+0x23/0x90 [ 9746.411132][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9746.411132][ T10] ip6_pol_route+0x56f/0x840 [ 9746.411132][ T10] fib6_rule_lookup+0x334/0x630 [ 9746.411132][ T10] ip6_route_output_flags+0x259/0x480 [ 9746.411132][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9746.411132][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9746.411132][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9746.411132][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9746.411132][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9746.411132][ T10] ___sys_sendmsg+0xee/0x170 [ 9746.411132][ T10] __sys_sendmsg+0xcd/0x170 [ 9746.411132][ T10] do_syscall_64+0xc6/0x1e0 [ 9746.411132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9746.411132][ T10] [ 9746.413138][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9746.413138][ T10] netdev_get_by_index+0x5e/0x80 [ 9746.413138][ T10] fib6_nh_init+0x3d8/0x1580 [ 9746.413138][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9746.413138][ T10] ip6_route_add+0x1c/0x140 [ 9746.413138][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9746.413138][ T10] inet6_addr_add+0x4f8/0xa40 [ 9746.413138][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9746.413138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9746.413138][ T10] netlink_rcv_skb+0x130/0x360 [ 9746.413138][ T10] netlink_unicast+0x449/0x710 [ 9746.413138][ T10] netlink_sendmsg+0x723/0xbe0 [ 9746.413138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9746.413138][ T10] ___sys_sendmsg+0xee/0x170 [ 9746.413138][ T10] __sys_sendmsg+0xcd/0x170 [ 9746.413138][ T10] do_syscall_64+0xc6/0x1e0 [ 9746.413138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9746.413138][ T10] [ 9746.415177][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9746.415177][ T10] netdev_get_by_index+0x5e/0x80 [ 9746.415177][ T10] fib6_nh_init+0x3d8/0x1580 [ 9746.415177][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9746.415177][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9746.415177][ T10] ipv6_add_addr+0x411/0x2000 [ 9746.415177][ T10] inet6_addr_add+0x30e/0xa40 [ 9746.415177][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9746.415177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9746.415177][ T10] netlink_rcv_skb+0x130/0x360 [ 9746.415177][ T10] netlink_unicast+0x449/0x710 [ 9746.415177][ T10] netlink_sendmsg+0x723/0xbe0 [ 9746.415177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9746.415177][ T10] ___sys_sendmsg+0xee/0x170 [ 9746.415177][ T10] __sys_sendmsg+0xcd/0x170 [ 9746.415177][ T10] do_syscall_64+0xc6/0x1e0 [ 9746.415177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9746.415177][ T10] [ 9746.417193][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9746.417193][ T10] netdev_get_by_index+0x5e/0x80 [ 9746.417193][ T10] fib6_nh_init+0x3d8/0x1580 [ 9746.417193][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9746.417193][ T10] ip6_route_add+0x1c/0x140 [ 9746.417193][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9746.417193][ T10] addrconf_add_dev+0xe2/0x170 [ 9746.417193][ T10] inet6_addr_add+0x12f/0xa40 [ 9746.417193][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9746.417193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9746.417193][ T10] netlink_rcv_skb+0x130/0x360 [ 9746.417193][ T10] netlink_unicast+0x449/0x710 [ 9746.417193][ T10] netlink_sendmsg+0x723/0xbe0 [ 9746.417193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9746.417193][ T10] ___sys_sendmsg+0xee/0x170 [ 9746.417193][ T10] __sys_sendmsg+0xcd/0x170 [ 9746.417193][ T10] do_syscall_64+0xc6/0x1e0 [ 9746.417193][ T10] [ 9746.419187][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9746.419187][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9746.419187][ T10] ipv6_find_idev+0x102/0x170 [ 9746.419187][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9746.419187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9746.419187][ T10] netlink_rcv_skb+0x130/0x360 [ 9746.419187][ T10] netlink_unicast+0x449/0x710 [ 9746.419187][ T10] netlink_sendmsg+0x723/0xbe0 [ 9746.419187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9746.419187][ T10] ___sys_sendmsg+0xee/0x170 [ 9746.419187][ T10] __sys_sendmsg+0xcd/0x170 [ 9746.419187][ T10] do_syscall_64+0xc6/0x1e0 [ 9746.419187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9746.419187][ T10] [ 9746.420754][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9746.420754][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9746.420754][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9746.420754][ T10] ipv6_find_idev+0x102/0x170 [ 9746.420754][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9746.420754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9746.420754][ T10] netlink_rcv_skb+0x130/0x360 [ 9746.420754][ T10] netlink_unicast+0x449/0x710 [ 9746.420754][ T10] netlink_sendmsg+0x723/0xbe0 [ 9746.420754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9746.420754][ T10] ___sys_sendmsg+0xee/0x170 [ 9746.420754][ T10] __sys_sendmsg+0xcd/0x170 [ 9746.420754][ T10] do_syscall_64+0xc6/0x1e0 [ 9746.420754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9746.420754][ T10] [ 9755.630836][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9755.631273][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9755.631273][T12167] netdev_get_by_index+0x5e/0x80 [ 9755.631273][T12167] fib6_nh_init+0x3d8/0x1580 [ 9755.631273][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9755.631273][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9755.631273][T12167] ipv6_add_addr+0x411/0x2000 [ 9755.631273][T12167] inet6_addr_add+0x30e/0xa40 [ 9755.631273][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9755.631273][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9755.631273][T12167] netlink_rcv_skb+0x130/0x360 [ 9755.631273][T12167] netlink_unicast+0x449/0x710 [ 9755.631273][T12167] netlink_sendmsg+0x723/0xbe0 [ 9755.631273][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9755.631273][T12167] ___sys_sendmsg+0xee/0x170 [ 9755.631273][T12167] __sys_sendmsg+0xcd/0x170 [ 9755.631273][T12167] do_syscall_64+0xc6/0x1e0 [ 9755.631273][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9755.631273][T12167] [ 9755.633555][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9755.633555][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9755.633555][T12167] ipv6_find_idev+0x102/0x170 [ 9755.633555][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9755.633555][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9755.633555][T12167] netlink_rcv_skb+0x130/0x360 [ 9755.633555][T12167] netlink_unicast+0x449/0x710 [ 9755.633555][T12167] netlink_sendmsg+0x723/0xbe0 [ 9755.633555][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9755.633555][T12167] ___sys_sendmsg+0xee/0x170 [ 9755.633555][T12167] __sys_sendmsg+0xcd/0x170 [ 9755.633555][T12167] do_syscall_64+0xc6/0x1e0 [ 9755.633555][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9755.633555][T12167] [ 9755.635309][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9755.635309][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9755.635309][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9755.635309][T12167] ipv6_find_idev+0x102/0x170 [ 9755.635309][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9755.635309][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9755.635309][T12167] netlink_rcv_skb+0x130/0x360 [ 9755.635309][T12167] netlink_unicast+0x449/0x710 [ 9755.635309][T12167] netlink_sendmsg+0x723/0xbe0 [ 9755.635309][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9755.635309][T12167] ___sys_sendmsg+0xee/0x170 [ 9755.635309][T12167] __sys_sendmsg+0xcd/0x170 [ 9755.635309][T12167] do_syscall_64+0xc6/0x1e0 [ 9755.635309][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9755.635309][T12167] [ 9756.662818][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9756.663183][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9756.663183][ T10] dst_init+0x84/0x4a0 [ 9756.663183][ T10] dst_alloc+0x97/0x150 [ 9756.663183][ T10] ip6_dst_alloc+0x23/0x90 [ 9756.663183][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9756.663183][ T10] ip6_pol_route+0x56f/0x840 [ 9756.663183][ T10] fib6_rule_lookup+0x334/0x630 [ 9756.663183][ T10] ip6_route_output_flags+0x259/0x480 [ 9756.663183][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9756.663183][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9756.663183][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9756.663183][ T10] ____sys_sendmsg+0x772/0xa10 [ 9756.663183][ T10] ___sys_sendmsg+0xee/0x170 [ 9756.663183][ T10] __sys_sendmsg+0xcd/0x170 [ 9756.663183][ T10] do_syscall_64+0xc6/0x1e0 [ 9756.663183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9756.663183][ T10] [ 9756.665121][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9756.665121][ T10] dst_init+0x84/0x4a0 [ 9756.665121][ T10] dst_alloc+0x97/0x150 [ 9756.665121][ T10] ip6_dst_alloc+0x23/0x90 [ 9756.665121][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9756.665121][ T10] ip6_pol_route+0x56f/0x840 [ 9756.665121][ T10] fib6_rule_lookup+0x334/0x630 [ 9756.665121][ T10] ip6_route_output_flags+0x259/0x480 [ 9756.665121][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9756.665121][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9756.665121][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9756.665121][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9756.665121][ T10] ____sys_sendmsg+0x772/0xa10 [ 9756.665121][ T10] ___sys_sendmsg+0xee/0x170 [ 9756.665121][ T10] __sys_sendmsg+0xcd/0x170 [ 9756.665121][ T10] do_syscall_64+0xc6/0x1e0 [ 9756.665121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9756.665121][ T10] [ 9756.667148][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9756.667148][ T10] dst_init+0x84/0x4a0 [ 9756.667148][ T10] dst_alloc+0x97/0x150 [ 9756.667148][ T10] ip6_dst_alloc+0x23/0x90 [ 9756.667148][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9756.667148][ T10] ip6_pol_route+0x56f/0x840 [ 9756.667148][ T10] fib6_rule_lookup+0x334/0x630 [ 9756.667148][ T10] ip6_route_output_flags+0x259/0x480 [ 9756.667148][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9756.667148][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9756.667148][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9756.667148][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9756.667148][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9756.667148][ T10] ___sys_sendmsg+0xee/0x170 [ 9756.667148][ T10] __sys_sendmsg+0xcd/0x170 [ 9756.667148][ T10] do_syscall_64+0xc6/0x1e0 [ 9756.667148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9756.667148][ T10] [ 9756.669177][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9756.669177][ T10] netdev_get_by_index+0x5e/0x80 [ 9756.669177][ T10] fib6_nh_init+0x3d8/0x1580 [ 9756.669177][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9756.669177][ T10] ip6_route_add+0x1c/0x140 [ 9756.669177][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9756.669177][ T10] inet6_addr_add+0x4f8/0xa40 [ 9756.669177][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9756.669177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9756.669177][ T10] netlink_rcv_skb+0x130/0x360 [ 9756.669177][ T10] netlink_unicast+0x449/0x710 [ 9756.669177][ T10] netlink_sendmsg+0x723/0xbe0 [ 9756.669177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9756.669177][ T10] ___sys_sendmsg+0xee/0x170 [ 9756.669177][ T10] __sys_sendmsg+0xcd/0x170 [ 9756.669177][ T10] do_syscall_64+0xc6/0x1e0 [ 9756.669177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9756.669177][ T10] [ 9756.671233][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9756.671233][ T10] netdev_get_by_index+0x5e/0x80 [ 9756.671233][ T10] fib6_nh_init+0x3d8/0x1580 [ 9756.671233][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9756.671233][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9756.671233][ T10] ipv6_add_addr+0x411/0x2000 [ 9756.671233][ T10] inet6_addr_add+0x30e/0xa40 [ 9756.671233][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9756.671233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9756.671233][ T10] netlink_rcv_skb+0x130/0x360 [ 9756.671233][ T10] netlink_unicast+0x449/0x710 [ 9756.671233][ T10] netlink_sendmsg+0x723/0xbe0 [ 9756.671233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9756.671233][ T10] ___sys_sendmsg+0xee/0x170 [ 9756.671233][ T10] __sys_sendmsg+0xcd/0x170 [ 9756.671233][ T10] do_syscall_64+0xc6/0x1e0 [ 9756.671233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9756.671233][ T10] [ 9756.673271][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9756.673271][ T10] netdev_get_by_index+0x5e/0x80 [ 9756.673271][ T10] fib6_nh_init+0x3d8/0x1580 [ 9756.673271][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9756.673271][ T10] ip6_route_add+0x1c/0x140 [ 9756.673271][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9756.673271][ T10] addrconf_add_dev+0xe2/0x170 [ 9756.673271][ T10] inet6_addr_add+0x12f/0xa40 [ 9756.673271][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9756.673271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9756.673271][ T10] netlink_rcv_skb+0x130/0x360 [ 9756.673271][ T10] netlink_unicast+0x449/0x710 [ 9756.673271][ T10] netlink_sendmsg+0x723/0xbe0 [ 9756.673271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9756.673271][ T10] ___sys_sendmsg+0xee/0x170 [ 9756.673271][ T10] __sys_sendmsg+0xcd/0x170 [ 9756.673271][ T10] do_syscall_64+0xc6/0x1e0 [ 9756.673271][ T10] [ 9756.675269][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9756.675269][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9756.675269][ T10] ipv6_find_idev+0x102/0x170 [ 9756.675269][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9756.675269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9756.675269][ T10] netlink_rcv_skb+0x130/0x360 [ 9756.675269][ T10] netlink_unicast+0x449/0x710 [ 9756.675269][ T10] netlink_sendmsg+0x723/0xbe0 [ 9756.675269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9756.675269][ T10] ___sys_sendmsg+0xee/0x170 [ 9756.675269][ T10] __sys_sendmsg+0xcd/0x170 [ 9756.675269][ T10] do_syscall_64+0xc6/0x1e0 [ 9756.675269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9756.675269][ T10] [ 9756.676838][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9756.676838][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9756.676838][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9756.676838][ T10] ipv6_find_idev+0x102/0x170 [ 9756.676838][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9756.676838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9756.676838][ T10] netlink_rcv_skb+0x130/0x360 [ 9756.676838][ T10] netlink_unicast+0x449/0x710 [ 9756.676838][ T10] netlink_sendmsg+0x723/0xbe0 [ 9756.676838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9756.676838][ T10] ___sys_sendmsg+0xee/0x170 [ 9756.676838][ T10] __sys_sendmsg+0xcd/0x170 [ 9756.676838][ T10] do_syscall_64+0xc6/0x1e0 [ 9756.676838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9756.676838][ T10] [ 9765.878820][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9765.879265][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9765.879265][T12167] netdev_get_by_index+0x5e/0x80 [ 9765.879265][T12167] fib6_nh_init+0x3d8/0x1580 [ 9765.879265][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9765.879265][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9765.879265][T12167] ipv6_add_addr+0x411/0x2000 [ 9765.879265][T12167] inet6_addr_add+0x30e/0xa40 [ 9765.879265][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9765.879265][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9765.879265][T12167] netlink_rcv_skb+0x130/0x360 [ 9765.879265][T12167] netlink_unicast+0x449/0x710 [ 9765.879265][T12167] netlink_sendmsg+0x723/0xbe0 [ 9765.879265][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9765.879265][T12167] ___sys_sendmsg+0xee/0x170 [ 9765.879265][T12167] __sys_sendmsg+0xcd/0x170 [ 9765.879265][T12167] do_syscall_64+0xc6/0x1e0 [ 9765.879265][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9765.879265][T12167] [ 9765.881595][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9765.881595][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9765.881595][T12167] ipv6_find_idev+0x102/0x170 [ 9765.881595][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9765.881595][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9765.881595][T12167] netlink_rcv_skb+0x130/0x360 [ 9765.881595][T12167] netlink_unicast+0x449/0x710 [ 9765.881595][T12167] netlink_sendmsg+0x723/0xbe0 [ 9765.881595][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9765.881595][T12167] ___sys_sendmsg+0xee/0x170 [ 9765.881595][T12167] __sys_sendmsg+0xcd/0x170 [ 9765.881595][T12167] do_syscall_64+0xc6/0x1e0 [ 9765.881595][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9765.881595][T12167] [ 9765.883363][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9765.883363][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9765.883363][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9765.883363][T12167] ipv6_find_idev+0x102/0x170 [ 9765.883363][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9765.883363][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9765.883363][T12167] netlink_rcv_skb+0x130/0x360 [ 9765.883363][T12167] netlink_unicast+0x449/0x710 [ 9765.883363][T12167] netlink_sendmsg+0x723/0xbe0 [ 9765.883363][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9765.883363][T12167] ___sys_sendmsg+0xee/0x170 [ 9765.883363][T12167] __sys_sendmsg+0xcd/0x170 [ 9765.883363][T12167] do_syscall_64+0xc6/0x1e0 [ 9765.883363][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9765.883363][T12167] [ 9766.918810][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9766.919193][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9766.919193][ T10] dst_init+0x84/0x4a0 [ 9766.919193][ T10] dst_alloc+0x97/0x150 [ 9766.919193][ T10] ip6_dst_alloc+0x23/0x90 [ 9766.919193][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9766.919193][ T10] ip6_pol_route+0x56f/0x840 [ 9766.919193][ T10] fib6_rule_lookup+0x334/0x630 [ 9766.919193][ T10] ip6_route_output_flags+0x259/0x480 [ 9766.919193][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9766.919193][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9766.919193][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9766.919193][ T10] ____sys_sendmsg+0x772/0xa10 [ 9766.919193][ T10] ___sys_sendmsg+0xee/0x170 [ 9766.919193][ T10] __sys_sendmsg+0xcd/0x170 [ 9766.919193][ T10] do_syscall_64+0xc6/0x1e0 [ 9766.919193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9766.919193][ T10] [ 9766.921170][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9766.921170][ T10] dst_init+0x84/0x4a0 [ 9766.921170][ T10] dst_alloc+0x97/0x150 [ 9766.921170][ T10] ip6_dst_alloc+0x23/0x90 [ 9766.921170][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9766.921170][ T10] ip6_pol_route+0x56f/0x840 [ 9766.921170][ T10] fib6_rule_lookup+0x334/0x630 [ 9766.921170][ T10] ip6_route_output_flags+0x259/0x480 [ 9766.921170][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9766.921170][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9766.921170][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9766.921170][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9766.921170][ T10] ____sys_sendmsg+0x772/0xa10 [ 9766.921170][ T10] ___sys_sendmsg+0xee/0x170 [ 9766.921170][ T10] __sys_sendmsg+0xcd/0x170 [ 9766.921170][ T10] do_syscall_64+0xc6/0x1e0 [ 9766.921170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9766.921170][ T10] [ 9766.923249][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9766.923249][ T10] dst_init+0x84/0x4a0 [ 9766.923249][ T10] dst_alloc+0x97/0x150 [ 9766.923249][ T10] ip6_dst_alloc+0x23/0x90 [ 9766.923249][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9766.923249][ T10] ip6_pol_route+0x56f/0x840 [ 9766.923249][ T10] fib6_rule_lookup+0x334/0x630 [ 9766.923249][ T10] ip6_route_output_flags+0x259/0x480 [ 9766.923249][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9766.923249][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9766.923249][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9766.923249][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9766.923249][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9766.923249][ T10] ___sys_sendmsg+0xee/0x170 [ 9766.923249][ T10] __sys_sendmsg+0xcd/0x170 [ 9766.923249][ T10] do_syscall_64+0xc6/0x1e0 [ 9766.923249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9766.923249][ T10] [ 9766.925327][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9766.925327][ T10] netdev_get_by_index+0x5e/0x80 [ 9766.925327][ T10] fib6_nh_init+0x3d8/0x1580 [ 9766.925327][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9766.925327][ T10] ip6_route_add+0x1c/0x140 [ 9766.925327][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9766.925327][ T10] inet6_addr_add+0x4f8/0xa40 [ 9766.925327][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9766.925327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9766.925327][ T10] netlink_rcv_skb+0x130/0x360 [ 9766.925327][ T10] netlink_unicast+0x449/0x710 [ 9766.925327][ T10] netlink_sendmsg+0x723/0xbe0 [ 9766.925327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9766.925327][ T10] ___sys_sendmsg+0xee/0x170 [ 9766.925327][ T10] __sys_sendmsg+0xcd/0x170 [ 9766.925327][ T10] do_syscall_64+0xc6/0x1e0 [ 9766.925327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9766.925327][ T10] [ 9766.927410][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9766.927410][ T10] netdev_get_by_index+0x5e/0x80 [ 9766.927410][ T10] fib6_nh_init+0x3d8/0x1580 [ 9766.927410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9766.927410][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9766.927410][ T10] ipv6_add_addr+0x411/0x2000 [ 9766.927410][ T10] inet6_addr_add+0x30e/0xa40 [ 9766.927410][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9766.927410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9766.927410][ T10] netlink_rcv_skb+0x130/0x360 [ 9766.927410][ T10] netlink_unicast+0x449/0x710 [ 9766.927410][ T10] netlink_sendmsg+0x723/0xbe0 [ 9766.927410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9766.927410][ T10] ___sys_sendmsg+0xee/0x170 [ 9766.927410][ T10] __sys_sendmsg+0xcd/0x170 [ 9766.927410][ T10] do_syscall_64+0xc6/0x1e0 [ 9766.927410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9766.927410][ T10] [ 9766.929487][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9766.929487][ T10] netdev_get_by_index+0x5e/0x80 [ 9766.929487][ T10] fib6_nh_init+0x3d8/0x1580 [ 9766.929487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9766.929487][ T10] ip6_route_add+0x1c/0x140 [ 9766.929487][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9766.929487][ T10] addrconf_add_dev+0xe2/0x170 [ 9766.929487][ T10] inet6_addr_add+0x12f/0xa40 [ 9766.929487][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9766.929487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9766.929487][ T10] netlink_rcv_skb+0x130/0x360 [ 9766.929487][ T10] netlink_unicast+0x449/0x710 [ 9766.929487][ T10] netlink_sendmsg+0x723/0xbe0 [ 9766.929487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9766.929487][ T10] ___sys_sendmsg+0xee/0x170 [ 9766.929487][ T10] __sys_sendmsg+0xcd/0x170 [ 9766.929487][ T10] do_syscall_64+0xc6/0x1e0 [ 9766.929487][ T10] [ 9766.931531][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9766.931531][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9766.931531][ T10] ipv6_find_idev+0x102/0x170 [ 9766.931531][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9766.931531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9766.931531][ T10] netlink_rcv_skb+0x130/0x360 [ 9766.931531][ T10] netlink_unicast+0x449/0x710 [ 9766.931531][ T10] netlink_sendmsg+0x723/0xbe0 [ 9766.931531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9766.931531][ T10] ___sys_sendmsg+0xee/0x170 [ 9766.931531][ T10] __sys_sendmsg+0xcd/0x170 [ 9766.931531][ T10] do_syscall_64+0xc6/0x1e0 [ 9766.931531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9766.931531][ T10] [ 9766.933109][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9766.933109][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9766.933109][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9766.933109][ T10] ipv6_find_idev+0x102/0x170 [ 9766.933109][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9766.933109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9766.933109][ T10] netlink_rcv_skb+0x130/0x360 [ 9766.933109][ T10] netlink_unicast+0x449/0x710 [ 9766.933109][ T10] netlink_sendmsg+0x723/0xbe0 [ 9766.933109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9766.933109][ T10] ___sys_sendmsg+0xee/0x170 [ 9766.933109][ T10] __sys_sendmsg+0xcd/0x170 [ 9766.933109][ T10] do_syscall_64+0xc6/0x1e0 [ 9766.933109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9766.933109][ T10] [ 9776.126821][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9776.127259][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9776.127259][T12167] netdev_get_by_index+0x5e/0x80 [ 9776.127259][T12167] fib6_nh_init+0x3d8/0x1580 [ 9776.127259][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9776.127259][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9776.127259][T12167] ipv6_add_addr+0x411/0x2000 [ 9776.127259][T12167] inet6_addr_add+0x30e/0xa40 [ 9776.127259][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9776.127259][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9776.127259][T12167] netlink_rcv_skb+0x130/0x360 [ 9776.127259][T12167] netlink_unicast+0x449/0x710 [ 9776.127259][T12167] netlink_sendmsg+0x723/0xbe0 [ 9776.127259][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9776.127259][T12167] ___sys_sendmsg+0xee/0x170 [ 9776.127259][T12167] __sys_sendmsg+0xcd/0x170 [ 9776.127259][T12167] do_syscall_64+0xc6/0x1e0 [ 9776.127259][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9776.127259][T12167] [ 9776.129544][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9776.129544][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9776.129544][T12167] ipv6_find_idev+0x102/0x170 [ 9776.129544][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9776.129544][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9776.129544][T12167] netlink_rcv_skb+0x130/0x360 [ 9776.129544][T12167] netlink_unicast+0x449/0x710 [ 9776.129544][T12167] netlink_sendmsg+0x723/0xbe0 [ 9776.129544][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9776.129544][T12167] ___sys_sendmsg+0xee/0x170 [ 9776.129544][T12167] __sys_sendmsg+0xcd/0x170 [ 9776.129544][T12167] do_syscall_64+0xc6/0x1e0 [ 9776.129544][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9776.129544][T12167] [ 9776.131315][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9776.131315][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9776.131315][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9776.131315][T12167] ipv6_find_idev+0x102/0x170 [ 9776.131315][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9776.131315][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9776.131315][T12167] netlink_rcv_skb+0x130/0x360 [ 9776.131315][T12167] netlink_unicast+0x449/0x710 [ 9776.131315][T12167] netlink_sendmsg+0x723/0xbe0 [ 9776.131315][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9776.131315][T12167] ___sys_sendmsg+0xee/0x170 [ 9776.131315][T12167] __sys_sendmsg+0xcd/0x170 [ 9776.131315][T12167] do_syscall_64+0xc6/0x1e0 [ 9776.131315][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9776.131315][T12167] [ 9777.182838][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9777.183273][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9777.183273][ T10] dst_init+0x84/0x4a0 [ 9777.183273][ T10] dst_alloc+0x97/0x150 [ 9777.183273][ T10] ip6_dst_alloc+0x23/0x90 [ 9777.183273][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9777.183273][ T10] ip6_pol_route+0x56f/0x840 [ 9777.183273][ T10] fib6_rule_lookup+0x334/0x630 [ 9777.183273][ T10] ip6_route_output_flags+0x259/0x480 [ 9777.183273][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9777.183273][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9777.183273][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9777.183273][ T10] ____sys_sendmsg+0x772/0xa10 [ 9777.183273][ T10] ___sys_sendmsg+0xee/0x170 [ 9777.183273][ T10] __sys_sendmsg+0xcd/0x170 [ 9777.183273][ T10] do_syscall_64+0xc6/0x1e0 [ 9777.183273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9777.183273][ T10] [ 9777.185204][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9777.185204][ T10] dst_init+0x84/0x4a0 [ 9777.185204][ T10] dst_alloc+0x97/0x150 [ 9777.185204][ T10] ip6_dst_alloc+0x23/0x90 [ 9777.185204][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9777.185204][ T10] ip6_pol_route+0x56f/0x840 [ 9777.185204][ T10] fib6_rule_lookup+0x334/0x630 [ 9777.185204][ T10] ip6_route_output_flags+0x259/0x480 [ 9777.185204][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9777.185204][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9777.185204][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9777.185204][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9777.185204][ T10] ____sys_sendmsg+0x772/0xa10 [ 9777.185204][ T10] ___sys_sendmsg+0xee/0x170 [ 9777.185204][ T10] __sys_sendmsg+0xcd/0x170 [ 9777.185204][ T10] do_syscall_64+0xc6/0x1e0 [ 9777.185204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9777.185204][ T10] [ 9777.187230][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9777.187230][ T10] dst_init+0x84/0x4a0 [ 9777.187230][ T10] dst_alloc+0x97/0x150 [ 9777.187230][ T10] ip6_dst_alloc+0x23/0x90 [ 9777.187230][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9777.187230][ T10] ip6_pol_route+0x56f/0x840 [ 9777.187230][ T10] fib6_rule_lookup+0x334/0x630 [ 9777.187230][ T10] ip6_route_output_flags+0x259/0x480 [ 9777.187230][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9777.187230][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9777.187230][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9777.187230][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9777.187230][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9777.187230][ T10] ___sys_sendmsg+0xee/0x170 [ 9777.187230][ T10] __sys_sendmsg+0xcd/0x170 [ 9777.187230][ T10] do_syscall_64+0xc6/0x1e0 [ 9777.187230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9777.187230][ T10] [ 9777.189257][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9777.189257][ T10] netdev_get_by_index+0x5e/0x80 [ 9777.189257][ T10] fib6_nh_init+0x3d8/0x1580 [ 9777.189257][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9777.189257][ T10] ip6_route_add+0x1c/0x140 [ 9777.189257][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9777.189257][ T10] inet6_addr_add+0x4f8/0xa40 [ 9777.189257][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9777.189257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9777.189257][ T10] netlink_rcv_skb+0x130/0x360 [ 9777.189257][ T10] netlink_unicast+0x449/0x710 [ 9777.189257][ T10] netlink_sendmsg+0x723/0xbe0 [ 9777.189257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9777.189257][ T10] ___sys_sendmsg+0xee/0x170 [ 9777.189257][ T10] __sys_sendmsg+0xcd/0x170 [ 9777.189257][ T10] do_syscall_64+0xc6/0x1e0 [ 9777.189257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9777.189257][ T10] [ 9777.191292][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9777.191292][ T10] netdev_get_by_index+0x5e/0x80 [ 9777.191292][ T10] fib6_nh_init+0x3d8/0x1580 [ 9777.191292][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9777.191292][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9777.191292][ T10] ipv6_add_addr+0x411/0x2000 [ 9777.191292][ T10] inet6_addr_add+0x30e/0xa40 [ 9777.191292][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9777.191292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9777.191292][ T10] netlink_rcv_skb+0x130/0x360 [ 9777.191292][ T10] netlink_unicast+0x449/0x710 [ 9777.191292][ T10] netlink_sendmsg+0x723/0xbe0 [ 9777.191292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9777.191292][ T10] ___sys_sendmsg+0xee/0x170 [ 9777.191292][ T10] __sys_sendmsg+0xcd/0x170 [ 9777.191292][ T10] do_syscall_64+0xc6/0x1e0 [ 9777.191292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9777.191292][ T10] [ 9777.193321][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9777.193321][ T10] netdev_get_by_index+0x5e/0x80 [ 9777.193321][ T10] fib6_nh_init+0x3d8/0x1580 [ 9777.193321][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9777.193321][ T10] ip6_route_add+0x1c/0x140 [ 9777.193321][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9777.193321][ T10] addrconf_add_dev+0xe2/0x170 [ 9777.193321][ T10] inet6_addr_add+0x12f/0xa40 [ 9777.193321][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9777.193321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9777.193321][ T10] netlink_rcv_skb+0x130/0x360 [ 9777.193321][ T10] netlink_unicast+0x449/0x710 [ 9777.193321][ T10] netlink_sendmsg+0x723/0xbe0 [ 9777.193321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9777.193321][ T10] ___sys_sendmsg+0xee/0x170 [ 9777.193321][ T10] __sys_sendmsg+0xcd/0x170 [ 9777.193321][ T10] do_syscall_64+0xc6/0x1e0 [ 9777.193321][ T10] [ 9777.195308][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9777.195308][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9777.195308][ T10] ipv6_find_idev+0x102/0x170 [ 9777.195308][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9777.195308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9777.195308][ T10] netlink_rcv_skb+0x130/0x360 [ 9777.195308][ T10] netlink_unicast+0x449/0x710 [ 9777.195308][ T10] netlink_sendmsg+0x723/0xbe0 [ 9777.195308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9777.195308][ T10] ___sys_sendmsg+0xee/0x170 [ 9777.195308][ T10] __sys_sendmsg+0xcd/0x170 [ 9777.195308][ T10] do_syscall_64+0xc6/0x1e0 [ 9777.195308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9777.195308][ T10] [ 9777.196865][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9777.196865][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9777.196865][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9777.196865][ T10] ipv6_find_idev+0x102/0x170 [ 9777.196865][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9777.196865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9777.196865][ T10] netlink_rcv_skb+0x130/0x360 [ 9777.196865][ T10] netlink_unicast+0x449/0x710 [ 9777.196865][ T10] netlink_sendmsg+0x723/0xbe0 [ 9777.196865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9777.196865][ T10] ___sys_sendmsg+0xee/0x170 [ 9777.196865][ T10] __sys_sendmsg+0xcd/0x170 [ 9777.196865][ T10] do_syscall_64+0xc6/0x1e0 [ 9777.196865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9777.196865][ T10] [ 9786.374828][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9786.375318][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9786.375318][T12167] netdev_get_by_index+0x5e/0x80 [ 9786.375318][T12167] fib6_nh_init+0x3d8/0x1580 [ 9786.375318][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9786.375318][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9786.375318][T12167] ipv6_add_addr+0x411/0x2000 [ 9786.375318][T12167] inet6_addr_add+0x30e/0xa40 [ 9786.375318][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9786.375318][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9786.375318][T12167] netlink_rcv_skb+0x130/0x360 [ 9786.375318][T12167] netlink_unicast+0x449/0x710 [ 9786.375318][T12167] netlink_sendmsg+0x723/0xbe0 [ 9786.375318][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9786.375318][T12167] ___sys_sendmsg+0xee/0x170 [ 9786.375318][T12167] __sys_sendmsg+0xcd/0x170 [ 9786.375318][T12167] do_syscall_64+0xc6/0x1e0 [ 9786.375318][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9786.375318][T12167] [ 9786.377629][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9786.377629][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9786.377629][T12167] ipv6_find_idev+0x102/0x170 [ 9786.377629][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9786.377629][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9786.377629][T12167] netlink_rcv_skb+0x130/0x360 [ 9786.377629][T12167] netlink_unicast+0x449/0x710 [ 9786.377629][T12167] netlink_sendmsg+0x723/0xbe0 [ 9786.377629][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9786.377629][T12167] ___sys_sendmsg+0xee/0x170 [ 9786.377629][T12167] __sys_sendmsg+0xcd/0x170 [ 9786.377629][T12167] do_syscall_64+0xc6/0x1e0 [ 9786.377629][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9786.377629][T12167] [ 9786.379376][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9786.379376][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9786.379376][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9786.379376][T12167] ipv6_find_idev+0x102/0x170 [ 9786.379376][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9786.379376][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9786.379376][T12167] netlink_rcv_skb+0x130/0x360 [ 9786.379376][T12167] netlink_unicast+0x449/0x710 [ 9786.379376][T12167] netlink_sendmsg+0x723/0xbe0 [ 9786.379376][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9786.379376][T12167] ___sys_sendmsg+0xee/0x170 [ 9786.379376][T12167] __sys_sendmsg+0xcd/0x170 [ 9786.379376][T12167] do_syscall_64+0xc6/0x1e0 [ 9786.379376][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9786.379376][T12167] [ 9787.198833][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9787.199240][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9787.199240][ T10] dst_init+0x84/0x4a0 [ 9787.199240][ T10] dst_alloc+0x97/0x150 [ 9787.199240][ T10] ip6_dst_alloc+0x23/0x90 [ 9787.199240][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9787.199240][ T10] ip6_pol_route+0x56f/0x840 [ 9787.199240][ T10] fib6_rule_lookup+0x334/0x630 [ 9787.199240][ T10] ip6_route_output_flags+0x259/0x480 [ 9787.199240][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9787.199240][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9787.199240][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9787.199240][ T10] ____sys_sendmsg+0x772/0xa10 [ 9787.199240][ T10] ___sys_sendmsg+0xee/0x170 [ 9787.199240][ T10] __sys_sendmsg+0xcd/0x170 [ 9787.199240][ T10] do_syscall_64+0xc6/0x1e0 [ 9787.199240][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9787.199240][ T10] [ 9787.201156][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9787.201156][ T10] dst_init+0x84/0x4a0 [ 9787.201156][ T10] dst_alloc+0x97/0x150 [ 9787.201156][ T10] ip6_dst_alloc+0x23/0x90 [ 9787.201156][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9787.201156][ T10] ip6_pol_route+0x56f/0x840 [ 9787.201156][ T10] fib6_rule_lookup+0x334/0x630 [ 9787.201156][ T10] ip6_route_output_flags+0x259/0x480 [ 9787.201156][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9787.201156][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9787.201156][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9787.201156][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9787.201156][ T10] ____sys_sendmsg+0x772/0xa10 [ 9787.201156][ T10] ___sys_sendmsg+0xee/0x170 [ 9787.201156][ T10] __sys_sendmsg+0xcd/0x170 [ 9787.201156][ T10] do_syscall_64+0xc6/0x1e0 [ 9787.201156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9787.201156][ T10] [ 9787.203166][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9787.203166][ T10] dst_init+0x84/0x4a0 [ 9787.203166][ T10] dst_alloc+0x97/0x150 [ 9787.203166][ T10] ip6_dst_alloc+0x23/0x90 [ 9787.203166][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9787.203166][ T10] ip6_pol_route+0x56f/0x840 [ 9787.203166][ T10] fib6_rule_lookup+0x334/0x630 [ 9787.203166][ T10] ip6_route_output_flags+0x259/0x480 [ 9787.203166][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9787.203166][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9787.203166][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9787.203166][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9787.203166][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9787.203166][ T10] ___sys_sendmsg+0xee/0x170 [ 9787.203166][ T10] __sys_sendmsg+0xcd/0x170 [ 9787.203166][ T10] do_syscall_64+0xc6/0x1e0 [ 9787.203166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9787.203166][ T10] [ 9787.205174][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9787.205174][ T10] netdev_get_by_index+0x5e/0x80 [ 9787.205174][ T10] fib6_nh_init+0x3d8/0x1580 [ 9787.205174][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9787.205174][ T10] ip6_route_add+0x1c/0x140 [ 9787.205174][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9787.205174][ T10] inet6_addr_add+0x4f8/0xa40 [ 9787.205174][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9787.205174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9787.205174][ T10] netlink_rcv_skb+0x130/0x360 [ 9787.205174][ T10] netlink_unicast+0x449/0x710 [ 9787.205174][ T10] netlink_sendmsg+0x723/0xbe0 [ 9787.205174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9787.205174][ T10] ___sys_sendmsg+0xee/0x170 [ 9787.205174][ T10] __sys_sendmsg+0xcd/0x170 [ 9787.205174][ T10] do_syscall_64+0xc6/0x1e0 [ 9787.205174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9787.205174][ T10] [ 9787.207178][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9787.207178][ T10] netdev_get_by_index+0x5e/0x80 [ 9787.207178][ T10] fib6_nh_init+0x3d8/0x1580 [ 9787.207178][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9787.207178][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9787.207178][ T10] ipv6_add_addr+0x411/0x2000 [ 9787.207178][ T10] inet6_addr_add+0x30e/0xa40 [ 9787.207178][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9787.207178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9787.207178][ T10] netlink_rcv_skb+0x130/0x360 [ 9787.207178][ T10] netlink_unicast+0x449/0x710 [ 9787.207178][ T10] netlink_sendmsg+0x723/0xbe0 [ 9787.207178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9787.207178][ T10] ___sys_sendmsg+0xee/0x170 [ 9787.207178][ T10] __sys_sendmsg+0xcd/0x170 [ 9787.207178][ T10] do_syscall_64+0xc6/0x1e0 [ 9787.207178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9787.207178][ T10] [ 9787.209181][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9787.209181][ T10] netdev_get_by_index+0x5e/0x80 [ 9787.209181][ T10] fib6_nh_init+0x3d8/0x1580 [ 9787.209181][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9787.209181][ T10] ip6_route_add+0x1c/0x140 [ 9787.209181][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9787.209181][ T10] addrconf_add_dev+0xe2/0x170 [ 9787.209181][ T10] inet6_addr_add+0x12f/0xa40 [ 9787.209181][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9787.209181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9787.209181][ T10] netlink_rcv_skb+0x130/0x360 [ 9787.209181][ T10] netlink_unicast+0x449/0x710 [ 9787.209181][ T10] netlink_sendmsg+0x723/0xbe0 [ 9787.209181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9787.209181][ T10] ___sys_sendmsg+0xee/0x170 [ 9787.209181][ T10] __sys_sendmsg+0xcd/0x170 [ 9787.209181][ T10] do_syscall_64+0xc6/0x1e0 [ 9787.209181][ T10] [ 9787.211150][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9787.211150][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9787.211150][ T10] ipv6_find_idev+0x102/0x170 [ 9787.211150][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9787.211150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9787.211150][ T10] netlink_rcv_skb+0x130/0x360 [ 9787.211150][ T10] netlink_unicast+0x449/0x710 [ 9787.211150][ T10] netlink_sendmsg+0x723/0xbe0 [ 9787.211150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9787.211150][ T10] ___sys_sendmsg+0xee/0x170 [ 9787.211150][ T10] __sys_sendmsg+0xcd/0x170 [ 9787.211150][ T10] do_syscall_64+0xc6/0x1e0 [ 9787.211150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9787.211150][ T10] [ 9787.212697][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9787.212697][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9787.212697][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9787.212697][ T10] ipv6_find_idev+0x102/0x170 [ 9787.212697][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9787.212697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9787.212697][ T10] netlink_rcv_skb+0x130/0x360 [ 9787.212697][ T10] netlink_unicast+0x449/0x710 [ 9787.212697][ T10] netlink_sendmsg+0x723/0xbe0 [ 9787.212697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9787.212697][ T10] ___sys_sendmsg+0xee/0x170 [ 9787.212697][ T10] __sys_sendmsg+0xcd/0x170 [ 9787.212697][ T10] do_syscall_64+0xc6/0x1e0 [ 9787.212697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9787.212697][ T10] [ 9796.622799][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9796.623289][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9796.623289][T12167] netdev_get_by_index+0x5e/0x80 [ 9796.623289][T12167] fib6_nh_init+0x3d8/0x1580 [ 9796.623289][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9796.623289][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9796.623289][T12167] ipv6_add_addr+0x411/0x2000 [ 9796.623289][T12167] inet6_addr_add+0x30e/0xa40 [ 9796.623289][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9796.623289][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9796.623289][T12167] netlink_rcv_skb+0x130/0x360 [ 9796.623289][T12167] netlink_unicast+0x449/0x710 [ 9796.623289][T12167] netlink_sendmsg+0x723/0xbe0 [ 9796.623289][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9796.623289][T12167] ___sys_sendmsg+0xee/0x170 [ 9796.623289][T12167] __sys_sendmsg+0xcd/0x170 [ 9796.623289][T12167] do_syscall_64+0xc6/0x1e0 [ 9796.623289][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9796.623289][T12167] [ 9796.625578][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9796.625578][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9796.625578][T12167] ipv6_find_idev+0x102/0x170 [ 9796.625578][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9796.625578][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9796.625578][T12167] netlink_rcv_skb+0x130/0x360 [ 9796.625578][T12167] netlink_unicast+0x449/0x710 [ 9796.625578][T12167] netlink_sendmsg+0x723/0xbe0 [ 9796.625578][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9796.625578][T12167] ___sys_sendmsg+0xee/0x170 [ 9796.625578][T12167] __sys_sendmsg+0xcd/0x170 [ 9796.625578][T12167] do_syscall_64+0xc6/0x1e0 [ 9796.625578][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9796.625578][T12167] [ 9796.627319][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9796.627319][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9796.627319][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9796.627319][T12167] ipv6_find_idev+0x102/0x170 [ 9796.627319][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9796.627319][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9796.627319][T12167] netlink_rcv_skb+0x130/0x360 [ 9796.627319][T12167] netlink_unicast+0x449/0x710 [ 9796.627319][T12167] netlink_sendmsg+0x723/0xbe0 [ 9796.627319][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9796.627319][T12167] ___sys_sendmsg+0xee/0x170 [ 9796.627319][T12167] __sys_sendmsg+0xcd/0x170 [ 9796.627319][T12167] do_syscall_64+0xc6/0x1e0 [ 9796.627319][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9796.627319][T12167] [ 9797.462804][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9797.463241][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9797.463241][ T10] dst_init+0x84/0x4a0 [ 9797.463241][ T10] dst_alloc+0x97/0x150 [ 9797.463241][ T10] ip6_dst_alloc+0x23/0x90 [ 9797.463241][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9797.463241][ T10] ip6_pol_route+0x56f/0x840 [ 9797.463241][ T10] fib6_rule_lookup+0x334/0x630 [ 9797.463241][ T10] ip6_route_output_flags+0x259/0x480 [ 9797.463241][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9797.463241][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9797.463241][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9797.463241][ T10] ____sys_sendmsg+0x772/0xa10 [ 9797.463241][ T10] ___sys_sendmsg+0xee/0x170 [ 9797.463241][ T10] __sys_sendmsg+0xcd/0x170 [ 9797.463241][ T10] do_syscall_64+0xc6/0x1e0 [ 9797.463241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9797.463241][ T10] [ 9797.465145][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9797.465145][ T10] dst_init+0x84/0x4a0 [ 9797.465145][ T10] dst_alloc+0x97/0x150 [ 9797.465145][ T10] ip6_dst_alloc+0x23/0x90 [ 9797.465145][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9797.465145][ T10] ip6_pol_route+0x56f/0x840 [ 9797.465145][ T10] fib6_rule_lookup+0x334/0x630 [ 9797.465145][ T10] ip6_route_output_flags+0x259/0x480 [ 9797.465145][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9797.465145][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9797.465145][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9797.465145][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9797.465145][ T10] ____sys_sendmsg+0x772/0xa10 [ 9797.465145][ T10] ___sys_sendmsg+0xee/0x170 [ 9797.465145][ T10] __sys_sendmsg+0xcd/0x170 [ 9797.465145][ T10] do_syscall_64+0xc6/0x1e0 [ 9797.465145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9797.465145][ T10] [ 9797.467152][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9797.467152][ T10] dst_init+0x84/0x4a0 [ 9797.467152][ T10] dst_alloc+0x97/0x150 [ 9797.467152][ T10] ip6_dst_alloc+0x23/0x90 [ 9797.467152][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9797.467152][ T10] ip6_pol_route+0x56f/0x840 [ 9797.467152][ T10] fib6_rule_lookup+0x334/0x630 [ 9797.467152][ T10] ip6_route_output_flags+0x259/0x480 [ 9797.467152][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9797.467152][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9797.467152][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9797.467152][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9797.467152][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9797.467152][ T10] ___sys_sendmsg+0xee/0x170 [ 9797.467152][ T10] __sys_sendmsg+0xcd/0x170 [ 9797.467152][ T10] do_syscall_64+0xc6/0x1e0 [ 9797.467152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9797.467152][ T10] [ 9797.469175][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9797.469175][ T10] netdev_get_by_index+0x5e/0x80 [ 9797.469175][ T10] fib6_nh_init+0x3d8/0x1580 [ 9797.469175][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9797.469175][ T10] ip6_route_add+0x1c/0x140 [ 9797.469175][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9797.469175][ T10] inet6_addr_add+0x4f8/0xa40 [ 9797.469175][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9797.469175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9797.469175][ T10] netlink_rcv_skb+0x130/0x360 [ 9797.469175][ T10] netlink_unicast+0x449/0x710 [ 9797.469175][ T10] netlink_sendmsg+0x723/0xbe0 [ 9797.469175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9797.469175][ T10] ___sys_sendmsg+0xee/0x170 [ 9797.469175][ T10] __sys_sendmsg+0xcd/0x170 [ 9797.469175][ T10] do_syscall_64+0xc6/0x1e0 [ 9797.469175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9797.469175][ T10] [ 9797.471196][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9797.471196][ T10] netdev_get_by_index+0x5e/0x80 [ 9797.471196][ T10] fib6_nh_init+0x3d8/0x1580 [ 9797.471196][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9797.471196][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9797.471196][ T10] ipv6_add_addr+0x411/0x2000 [ 9797.471196][ T10] inet6_addr_add+0x30e/0xa40 [ 9797.471196][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9797.471196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9797.471196][ T10] netlink_rcv_skb+0x130/0x360 [ 9797.471196][ T10] netlink_unicast+0x449/0x710 [ 9797.471196][ T10] netlink_sendmsg+0x723/0xbe0 [ 9797.471196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9797.471196][ T10] ___sys_sendmsg+0xee/0x170 [ 9797.471196][ T10] __sys_sendmsg+0xcd/0x170 [ 9797.471196][ T10] do_syscall_64+0xc6/0x1e0 [ 9797.471196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9797.471196][ T10] [ 9797.473203][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9797.473203][ T10] netdev_get_by_index+0x5e/0x80 [ 9797.473203][ T10] fib6_nh_init+0x3d8/0x1580 [ 9797.473203][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9797.473203][ T10] ip6_route_add+0x1c/0x140 [ 9797.473203][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9797.473203][ T10] addrconf_add_dev+0xe2/0x170 [ 9797.473203][ T10] inet6_addr_add+0x12f/0xa40 [ 9797.473203][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9797.473203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9797.473203][ T10] netlink_rcv_skb+0x130/0x360 [ 9797.473203][ T10] netlink_unicast+0x449/0x710 [ 9797.473203][ T10] netlink_sendmsg+0x723/0xbe0 [ 9797.473203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9797.473203][ T10] ___sys_sendmsg+0xee/0x170 [ 9797.473203][ T10] __sys_sendmsg+0xcd/0x170 [ 9797.473203][ T10] do_syscall_64+0xc6/0x1e0 [ 9797.473203][ T10] [ 9797.475187][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9797.475187][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9797.475187][ T10] ipv6_find_idev+0x102/0x170 [ 9797.475187][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9797.475187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9797.475187][ T10] netlink_rcv_skb+0x130/0x360 [ 9797.475187][ T10] netlink_unicast+0x449/0x710 [ 9797.475187][ T10] netlink_sendmsg+0x723/0xbe0 [ 9797.475187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9797.475187][ T10] ___sys_sendmsg+0xee/0x170 [ 9797.475187][ T10] __sys_sendmsg+0xcd/0x170 [ 9797.475187][ T10] do_syscall_64+0xc6/0x1e0 [ 9797.475187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9797.475187][ T10] [ 9797.476736][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9797.476736][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9797.476736][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9797.476736][ T10] ipv6_find_idev+0x102/0x170 [ 9797.476736][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9797.476736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9797.476736][ T10] netlink_rcv_skb+0x130/0x360 [ 9797.476736][ T10] netlink_unicast+0x449/0x710 [ 9797.476736][ T10] netlink_sendmsg+0x723/0xbe0 [ 9797.476736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9797.476736][ T10] ___sys_sendmsg+0xee/0x170 [ 9797.476736][ T10] __sys_sendmsg+0xcd/0x170 [ 9797.476736][ T10] do_syscall_64+0xc6/0x1e0 [ 9797.476736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9797.476736][ T10] [ 9806.870800][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9806.871236][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9806.871236][T12167] netdev_get_by_index+0x5e/0x80 [ 9806.871236][T12167] fib6_nh_init+0x3d8/0x1580 [ 9806.871236][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9806.871236][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9806.871236][T12167] ipv6_add_addr+0x411/0x2000 [ 9806.871236][T12167] inet6_addr_add+0x30e/0xa40 [ 9806.871236][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9806.871236][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9806.871236][T12167] netlink_rcv_skb+0x130/0x360 [ 9806.871236][T12167] netlink_unicast+0x449/0x710 [ 9806.871236][T12167] netlink_sendmsg+0x723/0xbe0 [ 9806.871236][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9806.871236][T12167] ___sys_sendmsg+0xee/0x170 [ 9806.871236][T12167] __sys_sendmsg+0xcd/0x170 [ 9806.871236][T12167] do_syscall_64+0xc6/0x1e0 [ 9806.871236][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9806.871236][T12167] [ 9806.873534][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9806.873534][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9806.873534][T12167] ipv6_find_idev+0x102/0x170 [ 9806.873534][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9806.873534][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9806.873534][T12167] netlink_rcv_skb+0x130/0x360 [ 9806.873534][T12167] netlink_unicast+0x449/0x710 [ 9806.873534][T12167] netlink_sendmsg+0x723/0xbe0 [ 9806.873534][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9806.873534][T12167] ___sys_sendmsg+0xee/0x170 [ 9806.873534][T12167] __sys_sendmsg+0xcd/0x170 [ 9806.873534][T12167] do_syscall_64+0xc6/0x1e0 [ 9806.873534][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9806.873534][T12167] [ 9806.875284][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9806.875284][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9806.875284][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9806.875284][T12167] ipv6_find_idev+0x102/0x170 [ 9806.875284][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9806.875284][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9806.875284][T12167] netlink_rcv_skb+0x130/0x360 [ 9806.875284][T12167] netlink_unicast+0x449/0x710 [ 9806.875284][T12167] netlink_sendmsg+0x723/0xbe0 [ 9806.875284][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9806.875284][T12167] ___sys_sendmsg+0xee/0x170 [ 9806.875284][T12167] __sys_sendmsg+0xcd/0x170 [ 9806.875284][T12167] do_syscall_64+0xc6/0x1e0 [ 9806.875284][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9806.875284][T12167] [ 9807.726906][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9807.727323][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9807.727323][ T10] dst_init+0x84/0x4a0 [ 9807.727323][ T10] dst_alloc+0x97/0x150 [ 9807.727323][ T10] ip6_dst_alloc+0x23/0x90 [ 9807.727323][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9807.727323][ T10] ip6_pol_route+0x56f/0x840 [ 9807.727323][ T10] fib6_rule_lookup+0x334/0x630 [ 9807.727323][ T10] ip6_route_output_flags+0x259/0x480 [ 9807.727323][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9807.727323][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9807.727323][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9807.727323][ T10] ____sys_sendmsg+0x772/0xa10 [ 9807.727323][ T10] ___sys_sendmsg+0xee/0x170 [ 9807.727323][ T10] __sys_sendmsg+0xcd/0x170 [ 9807.727323][ T10] do_syscall_64+0xc6/0x1e0 [ 9807.727323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9807.727323][ T10] [ 9807.729275][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9807.729275][ T10] dst_init+0x84/0x4a0 [ 9807.729275][ T10] dst_alloc+0x97/0x150 [ 9807.729275][ T10] ip6_dst_alloc+0x23/0x90 [ 9807.729275][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9807.729275][ T10] ip6_pol_route+0x56f/0x840 [ 9807.729275][ T10] fib6_rule_lookup+0x334/0x630 [ 9807.729275][ T10] ip6_route_output_flags+0x259/0x480 [ 9807.729275][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9807.729275][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9807.729275][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9807.729275][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9807.729275][ T10] ____sys_sendmsg+0x772/0xa10 [ 9807.729275][ T10] ___sys_sendmsg+0xee/0x170 [ 9807.729275][ T10] __sys_sendmsg+0xcd/0x170 [ 9807.729275][ T10] do_syscall_64+0xc6/0x1e0 [ 9807.729275][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9807.729275][ T10] [ 9807.731318][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9807.731318][ T10] dst_init+0x84/0x4a0 [ 9807.731318][ T10] dst_alloc+0x97/0x150 [ 9807.731318][ T10] ip6_dst_alloc+0x23/0x90 [ 9807.731318][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9807.731318][ T10] ip6_pol_route+0x56f/0x840 [ 9807.731318][ T10] fib6_rule_lookup+0x334/0x630 [ 9807.731318][ T10] ip6_route_output_flags+0x259/0x480 [ 9807.731318][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9807.731318][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9807.731318][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9807.731318][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9807.731318][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9807.731318][ T10] ___sys_sendmsg+0xee/0x170 [ 9807.731318][ T10] __sys_sendmsg+0xcd/0x170 [ 9807.731318][ T10] do_syscall_64+0xc6/0x1e0 [ 9807.731318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9807.731318][ T10] [ 9807.733356][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9807.733356][ T10] netdev_get_by_index+0x5e/0x80 [ 9807.733356][ T10] fib6_nh_init+0x3d8/0x1580 [ 9807.733356][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9807.733356][ T10] ip6_route_add+0x1c/0x140 [ 9807.733356][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9807.733356][ T10] inet6_addr_add+0x4f8/0xa40 [ 9807.733356][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9807.733356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9807.733356][ T10] netlink_rcv_skb+0x130/0x360 [ 9807.733356][ T10] netlink_unicast+0x449/0x710 [ 9807.733356][ T10] netlink_sendmsg+0x723/0xbe0 [ 9807.733356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9807.733356][ T10] ___sys_sendmsg+0xee/0x170 [ 9807.733356][ T10] __sys_sendmsg+0xcd/0x170 [ 9807.733356][ T10] do_syscall_64+0xc6/0x1e0 [ 9807.733356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9807.733356][ T10] [ 9807.735397][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9807.735397][ T10] netdev_get_by_index+0x5e/0x80 [ 9807.735397][ T10] fib6_nh_init+0x3d8/0x1580 [ 9807.735397][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9807.735397][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9807.735397][ T10] ipv6_add_addr+0x411/0x2000 [ 9807.735397][ T10] inet6_addr_add+0x30e/0xa40 [ 9807.735397][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9807.735397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9807.735397][ T10] netlink_rcv_skb+0x130/0x360 [ 9807.735397][ T10] netlink_unicast+0x449/0x710 [ 9807.735397][ T10] netlink_sendmsg+0x723/0xbe0 [ 9807.735397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9807.735397][ T10] ___sys_sendmsg+0xee/0x170 [ 9807.735397][ T10] __sys_sendmsg+0xcd/0x170 [ 9807.735397][ T10] do_syscall_64+0xc6/0x1e0 [ 9807.735397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9807.735397][ T10] [ 9807.737420][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9807.737420][ T10] netdev_get_by_index+0x5e/0x80 [ 9807.737420][ T10] fib6_nh_init+0x3d8/0x1580 [ 9807.737420][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9807.737420][ T10] ip6_route_add+0x1c/0x140 [ 9807.737420][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9807.737420][ T10] addrconf_add_dev+0xe2/0x170 [ 9807.737420][ T10] inet6_addr_add+0x12f/0xa40 [ 9807.737420][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9807.737420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9807.737420][ T10] netlink_rcv_skb+0x130/0x360 [ 9807.737420][ T10] netlink_unicast+0x449/0x710 [ 9807.737420][ T10] netlink_sendmsg+0x723/0xbe0 [ 9807.737420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9807.737420][ T10] ___sys_sendmsg+0xee/0x170 [ 9807.737420][ T10] __sys_sendmsg+0xcd/0x170 [ 9807.737420][ T10] do_syscall_64+0xc6/0x1e0 [ 9807.737420][ T10] [ 9807.739409][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9807.739409][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9807.739409][ T10] ipv6_find_idev+0x102/0x170 [ 9807.739409][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9807.739409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9807.739409][ T10] netlink_rcv_skb+0x130/0x360 [ 9807.739409][ T10] netlink_unicast+0x449/0x710 [ 9807.739409][ T10] netlink_sendmsg+0x723/0xbe0 [ 9807.739409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9807.739409][ T10] ___sys_sendmsg+0xee/0x170 [ 9807.739409][ T10] __sys_sendmsg+0xcd/0x170 [ 9807.739409][ T10] do_syscall_64+0xc6/0x1e0 [ 9807.739409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9807.739409][ T10] [ 9807.740982][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9807.740982][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9807.740982][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9807.740982][ T10] ipv6_find_idev+0x102/0x170 [ 9807.740982][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9807.740982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9807.740982][ T10] netlink_rcv_skb+0x130/0x360 [ 9807.740982][ T10] netlink_unicast+0x449/0x710 [ 9807.740982][ T10] netlink_sendmsg+0x723/0xbe0 [ 9807.740982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9807.740982][ T10] ___sys_sendmsg+0xee/0x170 [ 9807.740982][ T10] __sys_sendmsg+0xcd/0x170 [ 9807.740982][ T10] do_syscall_64+0xc6/0x1e0 [ 9807.740982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9807.740982][ T10] [ 9817.126874][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9817.127326][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9817.127326][T12167] netdev_get_by_index+0x5e/0x80 [ 9817.127326][T12167] fib6_nh_init+0x3d8/0x1580 [ 9817.127326][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9817.127326][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9817.127326][T12167] ipv6_add_addr+0x411/0x2000 [ 9817.127326][T12167] inet6_addr_add+0x30e/0xa40 [ 9817.127326][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9817.127326][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9817.127326][T12167] netlink_rcv_skb+0x130/0x360 [ 9817.127326][T12167] netlink_unicast+0x449/0x710 [ 9817.127326][T12167] netlink_sendmsg+0x723/0xbe0 [ 9817.127326][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9817.127326][T12167] ___sys_sendmsg+0xee/0x170 [ 9817.127326][T12167] __sys_sendmsg+0xcd/0x170 [ 9817.127326][T12167] do_syscall_64+0xc6/0x1e0 [ 9817.127326][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9817.127326][T12167] [ 9817.129633][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9817.129633][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9817.129633][T12167] ipv6_find_idev+0x102/0x170 [ 9817.129633][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9817.129633][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9817.129633][T12167] netlink_rcv_skb+0x130/0x360 [ 9817.129633][T12167] netlink_unicast+0x449/0x710 [ 9817.129633][T12167] netlink_sendmsg+0x723/0xbe0 [ 9817.129633][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9817.129633][T12167] ___sys_sendmsg+0xee/0x170 [ 9817.129633][T12167] __sys_sendmsg+0xcd/0x170 [ 9817.129633][T12167] do_syscall_64+0xc6/0x1e0 [ 9817.129633][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9817.129633][T12167] [ 9817.131402][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9817.131402][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9817.131402][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9817.131402][T12167] ipv6_find_idev+0x102/0x170 [ 9817.131402][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9817.131402][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9817.131402][T12167] netlink_rcv_skb+0x130/0x360 [ 9817.131402][T12167] netlink_unicast+0x449/0x710 [ 9817.131402][T12167] netlink_sendmsg+0x723/0xbe0 [ 9817.131402][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9817.131402][T12167] ___sys_sendmsg+0xee/0x170 [ 9817.131402][T12167] __sys_sendmsg+0xcd/0x170 [ 9817.131402][T12167] do_syscall_64+0xc6/0x1e0 [ 9817.131402][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9817.131402][T12167] [ 9817.990805][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9817.991179][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9817.991179][ T10] dst_init+0x84/0x4a0 [ 9817.991179][ T10] dst_alloc+0x97/0x150 [ 9817.991179][ T10] ip6_dst_alloc+0x23/0x90 [ 9817.991179][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9817.991179][ T10] ip6_pol_route+0x56f/0x840 [ 9817.991179][ T10] fib6_rule_lookup+0x334/0x630 [ 9817.991179][ T10] ip6_route_output_flags+0x259/0x480 [ 9817.991179][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9817.991179][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9817.991179][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9817.991179][ T10] ____sys_sendmsg+0x772/0xa10 [ 9817.991179][ T10] ___sys_sendmsg+0xee/0x170 [ 9817.991179][ T10] __sys_sendmsg+0xcd/0x170 [ 9817.991179][ T10] do_syscall_64+0xc6/0x1e0 [ 9817.991179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9817.991179][ T10] [ 9817.993112][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9817.993112][ T10] dst_init+0x84/0x4a0 [ 9817.993112][ T10] dst_alloc+0x97/0x150 [ 9817.993112][ T10] ip6_dst_alloc+0x23/0x90 [ 9817.993112][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9817.993112][ T10] ip6_pol_route+0x56f/0x840 [ 9817.993112][ T10] fib6_rule_lookup+0x334/0x630 [ 9817.993112][ T10] ip6_route_output_flags+0x259/0x480 [ 9817.993112][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9817.993112][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9817.993112][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9817.993112][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9817.993112][ T10] ____sys_sendmsg+0x772/0xa10 [ 9817.993112][ T10] ___sys_sendmsg+0xee/0x170 [ 9817.993112][ T10] __sys_sendmsg+0xcd/0x170 [ 9817.993112][ T10] do_syscall_64+0xc6/0x1e0 [ 9817.993112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9817.993112][ T10] [ 9817.995151][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9817.995151][ T10] dst_init+0x84/0x4a0 [ 9817.995151][ T10] dst_alloc+0x97/0x150 [ 9817.995151][ T10] ip6_dst_alloc+0x23/0x90 [ 9817.995151][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9817.995151][ T10] ip6_pol_route+0x56f/0x840 [ 9817.995151][ T10] fib6_rule_lookup+0x334/0x630 [ 9817.995151][ T10] ip6_route_output_flags+0x259/0x480 [ 9817.995151][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9817.995151][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9817.995151][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9817.995151][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9817.995151][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9817.995151][ T10] ___sys_sendmsg+0xee/0x170 [ 9817.995151][ T10] __sys_sendmsg+0xcd/0x170 [ 9817.995151][ T10] do_syscall_64+0xc6/0x1e0 [ 9817.995151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9817.995151][ T10] [ 9817.997183][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9817.997183][ T10] netdev_get_by_index+0x5e/0x80 [ 9817.997183][ T10] fib6_nh_init+0x3d8/0x1580 [ 9817.997183][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9817.997183][ T10] ip6_route_add+0x1c/0x140 [ 9817.997183][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9817.997183][ T10] inet6_addr_add+0x4f8/0xa40 [ 9817.997183][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9817.997183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9817.997183][ T10] netlink_rcv_skb+0x130/0x360 [ 9817.997183][ T10] netlink_unicast+0x449/0x710 [ 9817.997183][ T10] netlink_sendmsg+0x723/0xbe0 [ 9817.997183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9817.997183][ T10] ___sys_sendmsg+0xee/0x170 [ 9817.997183][ T10] __sys_sendmsg+0xcd/0x170 [ 9817.997183][ T10] do_syscall_64+0xc6/0x1e0 [ 9817.997183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9817.997183][ T10] [ 9817.999213][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9817.999213][ T10] netdev_get_by_index+0x5e/0x80 [ 9817.999213][ T10] fib6_nh_init+0x3d8/0x1580 [ 9817.999213][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9817.999213][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9817.999213][ T10] ipv6_add_addr+0x411/0x2000 [ 9817.999213][ T10] inet6_addr_add+0x30e/0xa40 [ 9817.999213][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9817.999213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9817.999213][ T10] netlink_rcv_skb+0x130/0x360 [ 9817.999213][ T10] netlink_unicast+0x449/0x710 [ 9817.999213][ T10] netlink_sendmsg+0x723/0xbe0 [ 9817.999213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9817.999213][ T10] ___sys_sendmsg+0xee/0x170 [ 9817.999213][ T10] __sys_sendmsg+0xcd/0x170 [ 9817.999213][ T10] do_syscall_64+0xc6/0x1e0 [ 9817.999213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9817.999213][ T10] [ 9818.001256][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9818.001256][ T10] netdev_get_by_index+0x5e/0x80 [ 9818.001256][ T10] fib6_nh_init+0x3d8/0x1580 [ 9818.001256][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9818.001256][ T10] ip6_route_add+0x1c/0x140 [ 9818.001256][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9818.001256][ T10] addrconf_add_dev+0xe2/0x170 [ 9818.001256][ T10] inet6_addr_add+0x12f/0xa40 [ 9818.001256][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9818.001256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9818.001256][ T10] netlink_rcv_skb+0x130/0x360 [ 9818.001256][ T10] netlink_unicast+0x449/0x710 [ 9818.001256][ T10] netlink_sendmsg+0x723/0xbe0 [ 9818.001256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9818.001256][ T10] ___sys_sendmsg+0xee/0x170 [ 9818.001256][ T10] __sys_sendmsg+0xcd/0x170 [ 9818.001256][ T10] do_syscall_64+0xc6/0x1e0 [ 9818.001256][ T10] [ 9818.003250][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9818.003250][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9818.003250][ T10] ipv6_find_idev+0x102/0x170 [ 9818.003250][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9818.003250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9818.003250][ T10] netlink_rcv_skb+0x130/0x360 [ 9818.003250][ T10] netlink_unicast+0x449/0x710 [ 9818.003250][ T10] netlink_sendmsg+0x723/0xbe0 [ 9818.003250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9818.003250][ T10] ___sys_sendmsg+0xee/0x170 [ 9818.003250][ T10] __sys_sendmsg+0xcd/0x170 [ 9818.003250][ T10] do_syscall_64+0xc6/0x1e0 [ 9818.003250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9818.003250][ T10] [ 9818.004814][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9818.004814][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9818.004814][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9818.004814][ T10] ipv6_find_idev+0x102/0x170 [ 9818.004814][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9818.004814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9818.004814][ T10] netlink_rcv_skb+0x130/0x360 [ 9818.004814][ T10] netlink_unicast+0x449/0x710 [ 9818.004814][ T10] netlink_sendmsg+0x723/0xbe0 [ 9818.004814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9818.004814][ T10] ___sys_sendmsg+0xee/0x170 [ 9818.004814][ T10] __sys_sendmsg+0xcd/0x170 [ 9818.004814][ T10] do_syscall_64+0xc6/0x1e0 [ 9818.004814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9818.004814][ T10] [ 9827.302804][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9827.303369][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9827.303369][T12167] netdev_get_by_index+0x5e/0x80 [ 9827.303369][T12167] fib6_nh_init+0x3d8/0x1580 [ 9827.303369][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9827.303369][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9827.303369][T12167] ipv6_add_addr+0x411/0x2000 [ 9827.303369][T12167] inet6_addr_add+0x30e/0xa40 [ 9827.303369][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9827.303369][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9827.303369][T12167] netlink_rcv_skb+0x130/0x360 [ 9827.303369][T12167] netlink_unicast+0x449/0x710 [ 9827.303369][T12167] netlink_sendmsg+0x723/0xbe0 [ 9827.303369][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9827.303369][T12167] ___sys_sendmsg+0xee/0x170 [ 9827.303369][T12167] __sys_sendmsg+0xcd/0x170 [ 9827.303369][T12167] do_syscall_64+0xc6/0x1e0 [ 9827.303369][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9827.303369][T12167] [ 9827.305682][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9827.305682][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9827.305682][T12167] ipv6_find_idev+0x102/0x170 [ 9827.305682][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9827.305682][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9827.305682][T12167] netlink_rcv_skb+0x130/0x360 [ 9827.305682][T12167] netlink_unicast+0x449/0x710 [ 9827.305682][T12167] netlink_sendmsg+0x723/0xbe0 [ 9827.305682][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9827.305682][T12167] ___sys_sendmsg+0xee/0x170 [ 9827.305682][T12167] __sys_sendmsg+0xcd/0x170 [ 9827.305682][T12167] do_syscall_64+0xc6/0x1e0 [ 9827.305682][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9827.305682][T12167] [ 9827.307458][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9827.307458][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9827.307458][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9827.307458][T12167] ipv6_find_idev+0x102/0x170 [ 9827.307458][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9827.307458][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9827.307458][T12167] netlink_rcv_skb+0x130/0x360 [ 9827.307458][T12167] netlink_unicast+0x449/0x710 [ 9827.307458][T12167] netlink_sendmsg+0x723/0xbe0 [ 9827.307458][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9827.307458][T12167] ___sys_sendmsg+0xee/0x170 [ 9827.307458][T12167] __sys_sendmsg+0xcd/0x170 [ 9827.307458][T12167] do_syscall_64+0xc6/0x1e0 [ 9827.307458][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9827.307458][T12167] [ 9828.062805][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9828.063235][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9828.063235][ T10] dst_init+0x84/0x4a0 [ 9828.063235][ T10] dst_alloc+0x97/0x150 [ 9828.063235][ T10] ip6_dst_alloc+0x23/0x90 [ 9828.063235][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9828.063235][ T10] ip6_pol_route+0x56f/0x840 [ 9828.063235][ T10] fib6_rule_lookup+0x334/0x630 [ 9828.063235][ T10] ip6_route_output_flags+0x259/0x480 [ 9828.063235][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9828.063235][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9828.063235][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9828.063235][ T10] ____sys_sendmsg+0x772/0xa10 [ 9828.063235][ T10] ___sys_sendmsg+0xee/0x170 [ 9828.063235][ T10] __sys_sendmsg+0xcd/0x170 [ 9828.063235][ T10] do_syscall_64+0xc6/0x1e0 [ 9828.063235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9828.063235][ T10] [ 9828.065139][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9828.065139][ T10] dst_init+0x84/0x4a0 [ 9828.065139][ T10] dst_alloc+0x97/0x150 [ 9828.065139][ T10] ip6_dst_alloc+0x23/0x90 [ 9828.065139][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9828.065139][ T10] ip6_pol_route+0x56f/0x840 [ 9828.065139][ T10] fib6_rule_lookup+0x334/0x630 [ 9828.065139][ T10] ip6_route_output_flags+0x259/0x480 [ 9828.065139][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9828.065139][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9828.065139][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9828.065139][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9828.065139][ T10] ____sys_sendmsg+0x772/0xa10 [ 9828.065139][ T10] ___sys_sendmsg+0xee/0x170 [ 9828.065139][ T10] __sys_sendmsg+0xcd/0x170 [ 9828.065139][ T10] do_syscall_64+0xc6/0x1e0 [ 9828.065139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9828.065139][ T10] [ 9828.067142][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9828.067142][ T10] dst_init+0x84/0x4a0 [ 9828.067142][ T10] dst_alloc+0x97/0x150 [ 9828.067142][ T10] ip6_dst_alloc+0x23/0x90 [ 9828.067142][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9828.067142][ T10] ip6_pol_route+0x56f/0x840 [ 9828.067142][ T10] fib6_rule_lookup+0x334/0x630 [ 9828.067142][ T10] ip6_route_output_flags+0x259/0x480 [ 9828.067142][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9828.067142][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9828.067142][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9828.067142][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9828.067142][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9828.067142][ T10] ___sys_sendmsg+0xee/0x170 [ 9828.067142][ T10] __sys_sendmsg+0xcd/0x170 [ 9828.067142][ T10] do_syscall_64+0xc6/0x1e0 [ 9828.067142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9828.067142][ T10] [ 9828.069153][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9828.069153][ T10] netdev_get_by_index+0x5e/0x80 [ 9828.069153][ T10] fib6_nh_init+0x3d8/0x1580 [ 9828.069153][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9828.069153][ T10] ip6_route_add+0x1c/0x140 [ 9828.069153][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9828.069153][ T10] inet6_addr_add+0x4f8/0xa40 [ 9828.069153][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9828.069153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9828.069153][ T10] netlink_rcv_skb+0x130/0x360 [ 9828.069153][ T10] netlink_unicast+0x449/0x710 [ 9828.069153][ T10] netlink_sendmsg+0x723/0xbe0 [ 9828.069153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9828.069153][ T10] ___sys_sendmsg+0xee/0x170 [ 9828.069153][ T10] __sys_sendmsg+0xcd/0x170 [ 9828.069153][ T10] do_syscall_64+0xc6/0x1e0 [ 9828.069153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9828.069153][ T10] [ 9828.071177][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9828.071177][ T10] netdev_get_by_index+0x5e/0x80 [ 9828.071177][ T10] fib6_nh_init+0x3d8/0x1580 [ 9828.071177][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9828.071177][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9828.071177][ T10] ipv6_add_addr+0x411/0x2000 [ 9828.071177][ T10] inet6_addr_add+0x30e/0xa40 [ 9828.071177][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9828.071177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9828.071177][ T10] netlink_rcv_skb+0x130/0x360 [ 9828.071177][ T10] netlink_unicast+0x449/0x710 [ 9828.071177][ T10] netlink_sendmsg+0x723/0xbe0 [ 9828.071177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9828.071177][ T10] ___sys_sendmsg+0xee/0x170 [ 9828.071177][ T10] __sys_sendmsg+0xcd/0x170 [ 9828.071177][ T10] do_syscall_64+0xc6/0x1e0 [ 9828.071177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9828.071177][ T10] [ 9828.073179][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9828.073179][ T10] netdev_get_by_index+0x5e/0x80 [ 9828.073179][ T10] fib6_nh_init+0x3d8/0x1580 [ 9828.073179][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9828.073179][ T10] ip6_route_add+0x1c/0x140 [ 9828.073179][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9828.073179][ T10] addrconf_add_dev+0xe2/0x170 [ 9828.073179][ T10] inet6_addr_add+0x12f/0xa40 [ 9828.073179][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9828.073179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9828.073179][ T10] netlink_rcv_skb+0x130/0x360 [ 9828.073179][ T10] netlink_unicast+0x449/0x710 [ 9828.073179][ T10] netlink_sendmsg+0x723/0xbe0 [ 9828.073179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9828.073179][ T10] ___sys_sendmsg+0xee/0x170 [ 9828.073179][ T10] __sys_sendmsg+0xcd/0x170 [ 9828.073179][ T10] do_syscall_64+0xc6/0x1e0 [ 9828.073179][ T10] [ 9828.075164][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9828.075164][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9828.075164][ T10] ipv6_find_idev+0x102/0x170 [ 9828.075164][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9828.075164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9828.075164][ T10] netlink_rcv_skb+0x130/0x360 [ 9828.075164][ T10] netlink_unicast+0x449/0x710 [ 9828.075164][ T10] netlink_sendmsg+0x723/0xbe0 [ 9828.075164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9828.075164][ T10] ___sys_sendmsg+0xee/0x170 [ 9828.075164][ T10] __sys_sendmsg+0xcd/0x170 [ 9828.075164][ T10] do_syscall_64+0xc6/0x1e0 [ 9828.075164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9828.075164][ T10] [ 9828.076712][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9828.076712][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9828.076712][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9828.076712][ T10] ipv6_find_idev+0x102/0x170 [ 9828.076712][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9828.076712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9828.076712][ T10] netlink_rcv_skb+0x130/0x360 [ 9828.076712][ T10] netlink_unicast+0x449/0x710 [ 9828.076712][ T10] netlink_sendmsg+0x723/0xbe0 [ 9828.076712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9828.076712][ T10] ___sys_sendmsg+0xee/0x170 [ 9828.076712][ T10] __sys_sendmsg+0xcd/0x170 [ 9828.076712][ T10] do_syscall_64+0xc6/0x1e0 [ 9828.076712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9828.076712][ T10] [ 9831.718906][ T42] INFO: task modprobe:12646 blocked for more than 1105 seconds. [ 9831.719235][ T42] Not tainted 6.8.0-virtme #1 [ 9831.719355][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 9831.719579][ T42] task:modprobe state:D stack:25856 pid:12646 tgid:12646 ppid:44 flags:0x00004002 [ 9831.719861][ T42] Call Trace: [ 9831.719959][ T42] [ 9831.720029][ T42] __schedule+0x705/0x1ac0 [ 9831.720166][ T42] ? __pfx___schedule+0x10/0x10 [ 9831.720299][ T42] ? schedule+0x1a5/0x210 [ 9831.720395][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 9831.720527][ T42] ? mark_lock+0x38/0x3e0 [ 9831.720626][ T42] ? do_raw_spin_lock+0x131/0x270 [ 9831.720772][ T42] ? schedule+0x1a5/0x210 [ 9831.720870][ T42] schedule+0xdf/0x210 [ 9831.720965][ T42] schedule_preempt_disabled+0x15/0x30 [ 9831.721091][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 9831.721220][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 9831.721377][ T42] ? __pfx_console_unlock+0x10/0x10 [ 9831.721501][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 9831.721638][ T42] ? lock_acquire+0x1c1/0x220 [ 9831.721769][ T42] ? register_pernet_subsys+0x1a/0x50 [ 9831.721907][ T42] down_write+0x1c9/0x200 [ 9831.722002][ T42] ? __pfx_down_write+0x10/0x10 [ 9831.722124][ T42] ? __pfx__printk+0x10/0x10 [ 9831.722251][ T42] ? __pfx___lock_release+0x10/0x10 [ 9831.722381][ T42] register_pernet_subsys+0x1a/0x50 [ 9831.722504][ T42] tcf_register_action+0xa3/0x600 [ 9831.722637][ T42] ? __pfx_gact_init_module+0x10/0x10 [act_gact] [ 9831.722806][ T42] do_one_initcall+0xc8/0x3f0 [ 9831.722935][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 9831.723061][ T42] ? __create_object+0x5e/0xb0 [ 9831.723190][ T42] ? kasan_unpoison+0x27/0x60 [ 9831.723319][ T42] do_init_module+0x233/0x740 [ 9831.723452][ T42] load_module+0x16b5/0x2350 [ 9831.723591][ T42] ? __pfx_load_module+0x10/0x10 [ 9831.723727][ T42] ? kernel_read_file+0x3d2/0x520 [ 9831.723856][ T42] ? kernel_read_file+0x300/0x520 [ 9831.723982][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 9831.724115][ T42] ? init_module_from_file+0xd2/0x130 [ 9831.724237][ T42] init_module_from_file+0xd2/0x130 [ 9831.724362][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 9831.724514][ T42] ? __lock_release+0x103/0x460 [ 9831.724639][ T42] ? idempotent_init_module+0x32a/0x620 [ 9831.724800][ T42] ? idempotent_init_module+0x32a/0x620 [ 9831.724925][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 9831.725051][ T42] idempotent_init_module+0x342/0x620 [ 9831.725182][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 9831.725353][ T42] __x64_sys_finit_module+0xbe/0x130 [ 9831.725478][ T42] do_syscall_64+0xc6/0x1e0 [ 9831.725607][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9831.725780][ T42] RIP: 0033:0x7fac120f1e5d [ 9831.725908][ T42] RSP: 002b:00007ffc57d8a578 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 9831.726097][ T42] RAX: ffffffffffffffda RBX: 0000557fdddd7c80 RCX: 00007fac120f1e5d [ 9831.726281][ T42] RDX: 0000000000000000 RSI: 0000557fb6aeba2a RDI: 0000000000000000 [ 9831.726462][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffc57d8a6b0 [ 9831.726644][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557fb6aeba2a [ 9831.726845][ T42] R13: 0000557fdddd7ac0 R14: 0000557fdddd80b0 R15: 0000557fdddd7cf1 [ 9831.727041][ T42] [ 9831.727136][ T42] [ 9831.727136][ T42] Showing all locks held in the system: [ 9831.727314][ T42] 3 locks held by kworker/u16:0/10: [ 9831.727433][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 9831.727704][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 9831.727924][ T42] #2: ffffffff91f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 9831.728143][ T42] 1 lock held by khungtaskd/42: [ 9831.728262][ T42] #0: ffffffff917591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 9831.728485][ T42] 2 locks held by kworker/u17:1/44: [ 9831.728607][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 9831.728870][ T42] #1: ffffc90000317da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 9831.729155][ T42] 1 lock held by modprobe/12646: [ 9831.729273][ T42] #0: ffffffff91f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 9831.729519][ T42] [ 9831.729591][ T42] ============================================= [ 9831.729591][ T42] [ 9837.550816][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9837.551335][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9837.551335][T12167] netdev_get_by_index+0x5e/0x80 [ 9837.551335][T12167] fib6_nh_init+0x3d8/0x1580 [ 9837.551335][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9837.551335][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9837.551335][T12167] ipv6_add_addr+0x411/0x2000 [ 9837.551335][T12167] inet6_addr_add+0x30e/0xa40 [ 9837.551335][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9837.551335][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9837.551335][T12167] netlink_rcv_skb+0x130/0x360 [ 9837.551335][T12167] netlink_unicast+0x449/0x710 [ 9837.551335][T12167] netlink_sendmsg+0x723/0xbe0 [ 9837.551335][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9837.551335][T12167] ___sys_sendmsg+0xee/0x170 [ 9837.551335][T12167] __sys_sendmsg+0xcd/0x170 [ 9837.551335][T12167] do_syscall_64+0xc6/0x1e0 [ 9837.551335][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9837.551335][T12167] [ 9837.553630][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9837.553630][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9837.553630][T12167] ipv6_find_idev+0x102/0x170 [ 9837.553630][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9837.553630][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9837.553630][T12167] netlink_rcv_skb+0x130/0x360 [ 9837.553630][T12167] netlink_unicast+0x449/0x710 [ 9837.553630][T12167] netlink_sendmsg+0x723/0xbe0 [ 9837.553630][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9837.553630][T12167] ___sys_sendmsg+0xee/0x170 [ 9837.553630][T12167] __sys_sendmsg+0xcd/0x170 [ 9837.553630][T12167] do_syscall_64+0xc6/0x1e0 [ 9837.553630][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9837.553630][T12167] [ 9837.555395][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9837.555395][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9837.555395][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9837.555395][T12167] ipv6_find_idev+0x102/0x170 [ 9837.555395][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9837.555395][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9837.555395][T12167] netlink_rcv_skb+0x130/0x360 [ 9837.555395][T12167] netlink_unicast+0x449/0x710 [ 9837.555395][T12167] netlink_sendmsg+0x723/0xbe0 [ 9837.555395][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9837.555395][T12167] ___sys_sendmsg+0xee/0x170 [ 9837.555395][T12167] __sys_sendmsg+0xcd/0x170 [ 9837.555395][T12167] do_syscall_64+0xc6/0x1e0 [ 9837.555395][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9837.555395][T12167] [ 9838.078815][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9838.079233][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9838.079233][ T10] dst_init+0x84/0x4a0 [ 9838.079233][ T10] dst_alloc+0x97/0x150 [ 9838.079233][ T10] ip6_dst_alloc+0x23/0x90 [ 9838.079233][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9838.079233][ T10] ip6_pol_route+0x56f/0x840 [ 9838.079233][ T10] fib6_rule_lookup+0x334/0x630 [ 9838.079233][ T10] ip6_route_output_flags+0x259/0x480 [ 9838.079233][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9838.079233][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9838.079233][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9838.079233][ T10] ____sys_sendmsg+0x772/0xa10 [ 9838.079233][ T10] ___sys_sendmsg+0xee/0x170 [ 9838.079233][ T10] __sys_sendmsg+0xcd/0x170 [ 9838.079233][ T10] do_syscall_64+0xc6/0x1e0 [ 9838.079233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9838.079233][ T10] [ 9838.081156][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9838.081156][ T10] dst_init+0x84/0x4a0 [ 9838.081156][ T10] dst_alloc+0x97/0x150 [ 9838.081156][ T10] ip6_dst_alloc+0x23/0x90 [ 9838.081156][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9838.081156][ T10] ip6_pol_route+0x56f/0x840 [ 9838.081156][ T10] fib6_rule_lookup+0x334/0x630 [ 9838.081156][ T10] ip6_route_output_flags+0x259/0x480 [ 9838.081156][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9838.081156][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9838.081156][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9838.081156][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9838.081156][ T10] ____sys_sendmsg+0x772/0xa10 [ 9838.081156][ T10] ___sys_sendmsg+0xee/0x170 [ 9838.081156][ T10] __sys_sendmsg+0xcd/0x170 [ 9838.081156][ T10] do_syscall_64+0xc6/0x1e0 [ 9838.081156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9838.081156][ T10] [ 9838.083166][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9838.083166][ T10] dst_init+0x84/0x4a0 [ 9838.083166][ T10] dst_alloc+0x97/0x150 [ 9838.083166][ T10] ip6_dst_alloc+0x23/0x90 [ 9838.083166][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9838.083166][ T10] ip6_pol_route+0x56f/0x840 [ 9838.083166][ T10] fib6_rule_lookup+0x334/0x630 [ 9838.083166][ T10] ip6_route_output_flags+0x259/0x480 [ 9838.083166][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9838.083166][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9838.083166][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9838.083166][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9838.083166][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9838.083166][ T10] ___sys_sendmsg+0xee/0x170 [ 9838.083166][ T10] __sys_sendmsg+0xcd/0x170 [ 9838.083166][ T10] do_syscall_64+0xc6/0x1e0 [ 9838.083166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9838.083166][ T10] [ 9838.085174][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9838.085174][ T10] netdev_get_by_index+0x5e/0x80 [ 9838.085174][ T10] fib6_nh_init+0x3d8/0x1580 [ 9838.085174][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9838.085174][ T10] ip6_route_add+0x1c/0x140 [ 9838.085174][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9838.085174][ T10] inet6_addr_add+0x4f8/0xa40 [ 9838.085174][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9838.085174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9838.085174][ T10] netlink_rcv_skb+0x130/0x360 [ 9838.085174][ T10] netlink_unicast+0x449/0x710 [ 9838.085174][ T10] netlink_sendmsg+0x723/0xbe0 [ 9838.085174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9838.085174][ T10] ___sys_sendmsg+0xee/0x170 [ 9838.085174][ T10] __sys_sendmsg+0xcd/0x170 [ 9838.085174][ T10] do_syscall_64+0xc6/0x1e0 [ 9838.085174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9838.085174][ T10] [ 9838.087188][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9838.087188][ T10] netdev_get_by_index+0x5e/0x80 [ 9838.087188][ T10] fib6_nh_init+0x3d8/0x1580 [ 9838.087188][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9838.087188][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9838.087188][ T10] ipv6_add_addr+0x411/0x2000 [ 9838.087188][ T10] inet6_addr_add+0x30e/0xa40 [ 9838.087188][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9838.087188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9838.087188][ T10] netlink_rcv_skb+0x130/0x360 [ 9838.087188][ T10] netlink_unicast+0x449/0x710 [ 9838.087188][ T10] netlink_sendmsg+0x723/0xbe0 [ 9838.087188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9838.087188][ T10] ___sys_sendmsg+0xee/0x170 [ 9838.087188][ T10] __sys_sendmsg+0xcd/0x170 [ 9838.087188][ T10] do_syscall_64+0xc6/0x1e0 [ 9838.087188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9838.087188][ T10] [ 9838.089198][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9838.089198][ T10] netdev_get_by_index+0x5e/0x80 [ 9838.089198][ T10] fib6_nh_init+0x3d8/0x1580 [ 9838.089198][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9838.089198][ T10] ip6_route_add+0x1c/0x140 [ 9838.089198][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9838.089198][ T10] addrconf_add_dev+0xe2/0x170 [ 9838.089198][ T10] inet6_addr_add+0x12f/0xa40 [ 9838.089198][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9838.089198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9838.089198][ T10] netlink_rcv_skb+0x130/0x360 [ 9838.089198][ T10] netlink_unicast+0x449/0x710 [ 9838.089198][ T10] netlink_sendmsg+0x723/0xbe0 [ 9838.089198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9838.089198][ T10] ___sys_sendmsg+0xee/0x170 [ 9838.089198][ T10] __sys_sendmsg+0xcd/0x170 [ 9838.089198][ T10] do_syscall_64+0xc6/0x1e0 [ 9838.089198][ T10] [ 9838.091200][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9838.091200][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9838.091200][ T10] ipv6_find_idev+0x102/0x170 [ 9838.091200][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9838.091200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9838.091200][ T10] netlink_rcv_skb+0x130/0x360 [ 9838.091200][ T10] netlink_unicast+0x449/0x710 [ 9838.091200][ T10] netlink_sendmsg+0x723/0xbe0 [ 9838.091200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9838.091200][ T10] ___sys_sendmsg+0xee/0x170 [ 9838.091200][ T10] __sys_sendmsg+0xcd/0x170 [ 9838.091200][ T10] do_syscall_64+0xc6/0x1e0 [ 9838.091200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9838.091200][ T10] [ 9838.092742][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9838.092742][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9838.092742][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9838.092742][ T10] ipv6_find_idev+0x102/0x170 [ 9838.092742][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9838.092742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9838.092742][ T10] netlink_rcv_skb+0x130/0x360 [ 9838.092742][ T10] netlink_unicast+0x449/0x710 [ 9838.092742][ T10] netlink_sendmsg+0x723/0xbe0 [ 9838.092742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9838.092742][ T10] ___sys_sendmsg+0xee/0x170 [ 9838.092742][ T10] __sys_sendmsg+0xcd/0x170 [ 9838.092742][ T10] do_syscall_64+0xc6/0x1e0 [ 9838.092742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9838.092742][ T10] [ 9847.590802][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9847.591270][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9847.591270][T12167] netdev_get_by_index+0x5e/0x80 [ 9847.591270][T12167] fib6_nh_init+0x3d8/0x1580 [ 9847.591270][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9847.591270][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9847.591270][T12167] ipv6_add_addr+0x411/0x2000 [ 9847.591270][T12167] inet6_addr_add+0x30e/0xa40 [ 9847.591270][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9847.591270][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9847.591270][T12167] netlink_rcv_skb+0x130/0x360 [ 9847.591270][T12167] netlink_unicast+0x449/0x710 [ 9847.591270][T12167] netlink_sendmsg+0x723/0xbe0 [ 9847.591270][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9847.591270][T12167] ___sys_sendmsg+0xee/0x170 [ 9847.591270][T12167] __sys_sendmsg+0xcd/0x170 [ 9847.591270][T12167] do_syscall_64+0xc6/0x1e0 [ 9847.591270][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9847.591270][T12167] [ 9847.593590][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9847.593590][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9847.593590][T12167] ipv6_find_idev+0x102/0x170 [ 9847.593590][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9847.593590][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9847.593590][T12167] netlink_rcv_skb+0x130/0x360 [ 9847.593590][T12167] netlink_unicast+0x449/0x710 [ 9847.593590][T12167] netlink_sendmsg+0x723/0xbe0 [ 9847.593590][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9847.593590][T12167] ___sys_sendmsg+0xee/0x170 [ 9847.593590][T12167] __sys_sendmsg+0xcd/0x170 [ 9847.593590][T12167] do_syscall_64+0xc6/0x1e0 [ 9847.593590][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9847.593590][T12167] [ 9847.595356][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9847.595356][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9847.595356][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9847.595356][T12167] ipv6_find_idev+0x102/0x170 [ 9847.595356][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9847.595356][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9847.595356][T12167] netlink_rcv_skb+0x130/0x360 [ 9847.595356][T12167] netlink_unicast+0x449/0x710 [ 9847.595356][T12167] netlink_sendmsg+0x723/0xbe0 [ 9847.595356][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9847.595356][T12167] ___sys_sendmsg+0xee/0x170 [ 9847.595356][T12167] __sys_sendmsg+0xcd/0x170 [ 9847.595356][T12167] do_syscall_64+0xc6/0x1e0 [ 9847.595356][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9847.595356][T12167] [ 9848.102741][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9848.103086][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9848.103086][ T10] dst_init+0x84/0x4a0 [ 9848.103086][ T10] dst_alloc+0x97/0x150 [ 9848.103086][ T10] ip6_dst_alloc+0x23/0x90 [ 9848.103086][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9848.103086][ T10] ip6_pol_route+0x56f/0x840 [ 9848.103086][ T10] fib6_rule_lookup+0x334/0x630 [ 9848.103086][ T10] ip6_route_output_flags+0x259/0x480 [ 9848.103086][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9848.103086][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9848.103086][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9848.103086][ T10] ____sys_sendmsg+0x772/0xa10 [ 9848.103086][ T10] ___sys_sendmsg+0xee/0x170 [ 9848.103086][ T10] __sys_sendmsg+0xcd/0x170 [ 9848.103086][ T10] do_syscall_64+0xc6/0x1e0 [ 9848.103086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9848.103086][ T10] [ 9848.104990][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9848.104990][ T10] dst_init+0x84/0x4a0 [ 9848.104990][ T10] dst_alloc+0x97/0x150 [ 9848.104990][ T10] ip6_dst_alloc+0x23/0x90 [ 9848.104990][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9848.104990][ T10] ip6_pol_route+0x56f/0x840 [ 9848.104990][ T10] fib6_rule_lookup+0x334/0x630 [ 9848.104990][ T10] ip6_route_output_flags+0x259/0x480 [ 9848.104990][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9848.104990][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9848.104990][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9848.104990][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9848.104990][ T10] ____sys_sendmsg+0x772/0xa10 [ 9848.104990][ T10] ___sys_sendmsg+0xee/0x170 [ 9848.104990][ T10] __sys_sendmsg+0xcd/0x170 [ 9848.104990][ T10] do_syscall_64+0xc6/0x1e0 [ 9848.104990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9848.104990][ T10] [ 9848.106983][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9848.106983][ T10] dst_init+0x84/0x4a0 [ 9848.106983][ T10] dst_alloc+0x97/0x150 [ 9848.106983][ T10] ip6_dst_alloc+0x23/0x90 [ 9848.106983][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9848.106983][ T10] ip6_pol_route+0x56f/0x840 [ 9848.106983][ T10] fib6_rule_lookup+0x334/0x630 [ 9848.106983][ T10] ip6_route_output_flags+0x259/0x480 [ 9848.106983][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9848.106983][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9848.106983][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9848.106983][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9848.106983][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9848.106983][ T10] ___sys_sendmsg+0xee/0x170 [ 9848.106983][ T10] __sys_sendmsg+0xcd/0x170 [ 9848.106983][ T10] do_syscall_64+0xc6/0x1e0 [ 9848.106983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9848.106983][ T10] [ 9848.108986][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9848.108986][ T10] netdev_get_by_index+0x5e/0x80 [ 9848.108986][ T10] fib6_nh_init+0x3d8/0x1580 [ 9848.108986][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9848.108986][ T10] ip6_route_add+0x1c/0x140 [ 9848.108986][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9848.108986][ T10] inet6_addr_add+0x4f8/0xa40 [ 9848.108986][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9848.108986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9848.108986][ T10] netlink_rcv_skb+0x130/0x360 [ 9848.108986][ T10] netlink_unicast+0x449/0x710 [ 9848.108986][ T10] netlink_sendmsg+0x723/0xbe0 [ 9848.108986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9848.108986][ T10] ___sys_sendmsg+0xee/0x170 [ 9848.108986][ T10] __sys_sendmsg+0xcd/0x170 [ 9848.108986][ T10] do_syscall_64+0xc6/0x1e0 [ 9848.108986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9848.108986][ T10] [ 9848.111098][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9848.111098][ T10] netdev_get_by_index+0x5e/0x80 [ 9848.111098][ T10] fib6_nh_init+0x3d8/0x1580 [ 9848.111098][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9848.111098][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9848.111098][ T10] ipv6_add_addr+0x411/0x2000 [ 9848.111098][ T10] inet6_addr_add+0x30e/0xa40 [ 9848.111098][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9848.111098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9848.111098][ T10] netlink_rcv_skb+0x130/0x360 [ 9848.111098][ T10] netlink_unicast+0x449/0x710 [ 9848.111098][ T10] netlink_sendmsg+0x723/0xbe0 [ 9848.111098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9848.111098][ T10] ___sys_sendmsg+0xee/0x170 [ 9848.111098][ T10] __sys_sendmsg+0xcd/0x170 [ 9848.111098][ T10] do_syscall_64+0xc6/0x1e0 [ 9848.111098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9848.111098][ T10] [ 9848.113093][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9848.113093][ T10] netdev_get_by_index+0x5e/0x80 [ 9848.113093][ T10] fib6_nh_init+0x3d8/0x1580 [ 9848.113093][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9848.113093][ T10] ip6_route_add+0x1c/0x140 [ 9848.113093][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9848.113093][ T10] addrconf_add_dev+0xe2/0x170 [ 9848.113093][ T10] inet6_addr_add+0x12f/0xa40 [ 9848.113093][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9848.113093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9848.113093][ T10] netlink_rcv_skb+0x130/0x360 [ 9848.113093][ T10] netlink_unicast+0x449/0x710 [ 9848.113093][ T10] netlink_sendmsg+0x723/0xbe0 [ 9848.113093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9848.113093][ T10] ___sys_sendmsg+0xee/0x170 [ 9848.113093][ T10] __sys_sendmsg+0xcd/0x170 [ 9848.113093][ T10] do_syscall_64+0xc6/0x1e0 [ 9848.113093][ T10] [ 9848.115052][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9848.115052][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9848.115052][ T10] ipv6_find_idev+0x102/0x170 [ 9848.115052][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9848.115052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9848.115052][ T10] netlink_rcv_skb+0x130/0x360 [ 9848.115052][ T10] netlink_unicast+0x449/0x710 [ 9848.115052][ T10] netlink_sendmsg+0x723/0xbe0 [ 9848.115052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9848.115052][ T10] ___sys_sendmsg+0xee/0x170 [ 9848.115052][ T10] __sys_sendmsg+0xcd/0x170 [ 9848.115052][ T10] do_syscall_64+0xc6/0x1e0 [ 9848.115052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9848.115052][ T10] [ 9848.116585][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9848.116585][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9848.116585][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9848.116585][ T10] ipv6_find_idev+0x102/0x170 [ 9848.116585][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9848.116585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9848.116585][ T10] netlink_rcv_skb+0x130/0x360 [ 9848.116585][ T10] netlink_unicast+0x449/0x710 [ 9848.116585][ T10] netlink_sendmsg+0x723/0xbe0 [ 9848.116585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9848.116585][ T10] ___sys_sendmsg+0xee/0x170 [ 9848.116585][ T10] __sys_sendmsg+0xcd/0x170 [ 9848.116585][ T10] do_syscall_64+0xc6/0x1e0 [ 9848.116585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9848.116585][ T10] [ 9857.614878][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9857.615375][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9857.615375][T12167] netdev_get_by_index+0x5e/0x80 [ 9857.615375][T12167] fib6_nh_init+0x3d8/0x1580 [ 9857.615375][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9857.615375][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9857.615375][T12167] ipv6_add_addr+0x411/0x2000 [ 9857.615375][T12167] inet6_addr_add+0x30e/0xa40 [ 9857.615375][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9857.615375][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9857.615375][T12167] netlink_rcv_skb+0x130/0x360 [ 9857.615375][T12167] netlink_unicast+0x449/0x710 [ 9857.615375][T12167] netlink_sendmsg+0x723/0xbe0 [ 9857.615375][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9857.615375][T12167] ___sys_sendmsg+0xee/0x170 [ 9857.615375][T12167] __sys_sendmsg+0xcd/0x170 [ 9857.615375][T12167] do_syscall_64+0xc6/0x1e0 [ 9857.615375][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9857.615375][T12167] [ 9857.617656][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9857.617656][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9857.617656][T12167] ipv6_find_idev+0x102/0x170 [ 9857.617656][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9857.617656][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9857.617656][T12167] netlink_rcv_skb+0x130/0x360 [ 9857.617656][T12167] netlink_unicast+0x449/0x710 [ 9857.617656][T12167] netlink_sendmsg+0x723/0xbe0 [ 9857.617656][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9857.617656][T12167] ___sys_sendmsg+0xee/0x170 [ 9857.617656][T12167] __sys_sendmsg+0xcd/0x170 [ 9857.617656][T12167] do_syscall_64+0xc6/0x1e0 [ 9857.617656][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9857.617656][T12167] [ 9857.619398][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9857.619398][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9857.619398][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9857.619398][T12167] ipv6_find_idev+0x102/0x170 [ 9857.619398][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9857.619398][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9857.619398][T12167] netlink_rcv_skb+0x130/0x360 [ 9857.619398][T12167] netlink_unicast+0x449/0x710 [ 9857.619398][T12167] netlink_sendmsg+0x723/0xbe0 [ 9857.619398][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9857.619398][T12167] ___sys_sendmsg+0xee/0x170 [ 9857.619398][T12167] __sys_sendmsg+0xcd/0x170 [ 9857.619398][T12167] do_syscall_64+0xc6/0x1e0 [ 9857.619398][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9857.619398][T12167] [ 9858.126802][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9858.127208][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9858.127208][ T10] dst_init+0x84/0x4a0 [ 9858.127208][ T10] dst_alloc+0x97/0x150 [ 9858.127208][ T10] ip6_dst_alloc+0x23/0x90 [ 9858.127208][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9858.127208][ T10] ip6_pol_route+0x56f/0x840 [ 9858.127208][ T10] fib6_rule_lookup+0x334/0x630 [ 9858.127208][ T10] ip6_route_output_flags+0x259/0x480 [ 9858.127208][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9858.127208][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9858.127208][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9858.127208][ T10] ____sys_sendmsg+0x772/0xa10 [ 9858.127208][ T10] ___sys_sendmsg+0xee/0x170 [ 9858.127208][ T10] __sys_sendmsg+0xcd/0x170 [ 9858.127208][ T10] do_syscall_64+0xc6/0x1e0 [ 9858.127208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9858.127208][ T10] [ 9858.129107][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9858.129107][ T10] dst_init+0x84/0x4a0 [ 9858.129107][ T10] dst_alloc+0x97/0x150 [ 9858.129107][ T10] ip6_dst_alloc+0x23/0x90 [ 9858.129107][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9858.129107][ T10] ip6_pol_route+0x56f/0x840 [ 9858.129107][ T10] fib6_rule_lookup+0x334/0x630 [ 9858.129107][ T10] ip6_route_output_flags+0x259/0x480 [ 9858.129107][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9858.129107][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9858.129107][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9858.129107][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9858.129107][ T10] ____sys_sendmsg+0x772/0xa10 [ 9858.129107][ T10] ___sys_sendmsg+0xee/0x170 [ 9858.129107][ T10] __sys_sendmsg+0xcd/0x170 [ 9858.129107][ T10] do_syscall_64+0xc6/0x1e0 [ 9858.129107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9858.129107][ T10] [ 9858.131100][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9858.131100][ T10] dst_init+0x84/0x4a0 [ 9858.131100][ T10] dst_alloc+0x97/0x150 [ 9858.131100][ T10] ip6_dst_alloc+0x23/0x90 [ 9858.131100][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9858.131100][ T10] ip6_pol_route+0x56f/0x840 [ 9858.131100][ T10] fib6_rule_lookup+0x334/0x630 [ 9858.131100][ T10] ip6_route_output_flags+0x259/0x480 [ 9858.131100][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9858.131100][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9858.131100][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9858.131100][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9858.131100][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9858.131100][ T10] ___sys_sendmsg+0xee/0x170 [ 9858.131100][ T10] __sys_sendmsg+0xcd/0x170 [ 9858.131100][ T10] do_syscall_64+0xc6/0x1e0 [ 9858.131100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9858.131100][ T10] [ 9858.133083][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9858.133083][ T10] netdev_get_by_index+0x5e/0x80 [ 9858.133083][ T10] fib6_nh_init+0x3d8/0x1580 [ 9858.133083][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9858.133083][ T10] ip6_route_add+0x1c/0x140 [ 9858.133083][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9858.133083][ T10] inet6_addr_add+0x4f8/0xa40 [ 9858.133083][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9858.133083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9858.133083][ T10] netlink_rcv_skb+0x130/0x360 [ 9858.133083][ T10] netlink_unicast+0x449/0x710 [ 9858.133083][ T10] netlink_sendmsg+0x723/0xbe0 [ 9858.133083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9858.133083][ T10] ___sys_sendmsg+0xee/0x170 [ 9858.133083][ T10] __sys_sendmsg+0xcd/0x170 [ 9858.133083][ T10] do_syscall_64+0xc6/0x1e0 [ 9858.133083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9858.133083][ T10] [ 9858.135077][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9858.135077][ T10] netdev_get_by_index+0x5e/0x80 [ 9858.135077][ T10] fib6_nh_init+0x3d8/0x1580 [ 9858.135077][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9858.135077][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9858.135077][ T10] ipv6_add_addr+0x411/0x2000 [ 9858.135077][ T10] inet6_addr_add+0x30e/0xa40 [ 9858.135077][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9858.135077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9858.135077][ T10] netlink_rcv_skb+0x130/0x360 [ 9858.135077][ T10] netlink_unicast+0x449/0x710 [ 9858.135077][ T10] netlink_sendmsg+0x723/0xbe0 [ 9858.135077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9858.135077][ T10] ___sys_sendmsg+0xee/0x170 [ 9858.135077][ T10] __sys_sendmsg+0xcd/0x170 [ 9858.135077][ T10] do_syscall_64+0xc6/0x1e0 [ 9858.135077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9858.135077][ T10] [ 9858.137062][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9858.137062][ T10] netdev_get_by_index+0x5e/0x80 [ 9858.137062][ T10] fib6_nh_init+0x3d8/0x1580 [ 9858.137062][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9858.137062][ T10] ip6_route_add+0x1c/0x140 [ 9858.137062][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9858.137062][ T10] addrconf_add_dev+0xe2/0x170 [ 9858.137062][ T10] inet6_addr_add+0x12f/0xa40 [ 9858.137062][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9858.137062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9858.137062][ T10] netlink_rcv_skb+0x130/0x360 [ 9858.137062][ T10] netlink_unicast+0x449/0x710 [ 9858.137062][ T10] netlink_sendmsg+0x723/0xbe0 [ 9858.137062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9858.137062][ T10] ___sys_sendmsg+0xee/0x170 [ 9858.137062][ T10] __sys_sendmsg+0xcd/0x170 [ 9858.137062][ T10] do_syscall_64+0xc6/0x1e0 [ 9858.137062][ T10] [ 9858.139021][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9858.139021][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9858.139021][ T10] ipv6_find_idev+0x102/0x170 [ 9858.139021][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9858.139021][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9858.139021][ T10] netlink_rcv_skb+0x130/0x360 [ 9858.139021][ T10] netlink_unicast+0x449/0x710 [ 9858.139021][ T10] netlink_sendmsg+0x723/0xbe0 [ 9858.139021][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9858.139021][ T10] ___sys_sendmsg+0xee/0x170 [ 9858.139021][ T10] __sys_sendmsg+0xcd/0x170 [ 9858.139021][ T10] do_syscall_64+0xc6/0x1e0 [ 9858.139021][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9858.139021][ T10] [ 9858.140563][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9858.140563][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9858.140563][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9858.140563][ T10] ipv6_find_idev+0x102/0x170 [ 9858.140563][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9858.140563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9858.140563][ T10] netlink_rcv_skb+0x130/0x360 [ 9858.140563][ T10] netlink_unicast+0x449/0x710 [ 9858.140563][ T10] netlink_sendmsg+0x723/0xbe0 [ 9858.140563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9858.140563][ T10] ___sys_sendmsg+0xee/0x170 [ 9858.140563][ T10] __sys_sendmsg+0xcd/0x170 [ 9858.140563][ T10] do_syscall_64+0xc6/0x1e0 [ 9858.140563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9858.140563][ T10] [ 9867.662812][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9867.663318][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9867.663318][T12167] netdev_get_by_index+0x5e/0x80 [ 9867.663318][T12167] fib6_nh_init+0x3d8/0x1580 [ 9867.663318][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9867.663318][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9867.663318][T12167] ipv6_add_addr+0x411/0x2000 [ 9867.663318][T12167] inet6_addr_add+0x30e/0xa40 [ 9867.663318][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9867.663318][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9867.663318][T12167] netlink_rcv_skb+0x130/0x360 [ 9867.663318][T12167] netlink_unicast+0x449/0x710 [ 9867.663318][T12167] netlink_sendmsg+0x723/0xbe0 [ 9867.663318][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9867.663318][T12167] ___sys_sendmsg+0xee/0x170 [ 9867.663318][T12167] __sys_sendmsg+0xcd/0x170 [ 9867.663318][T12167] do_syscall_64+0xc6/0x1e0 [ 9867.663318][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9867.663318][T12167] [ 9867.665590][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9867.665590][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9867.665590][T12167] ipv6_find_idev+0x102/0x170 [ 9867.665590][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9867.665590][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9867.665590][T12167] netlink_rcv_skb+0x130/0x360 [ 9867.665590][T12167] netlink_unicast+0x449/0x710 [ 9867.665590][T12167] netlink_sendmsg+0x723/0xbe0 [ 9867.665590][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9867.665590][T12167] ___sys_sendmsg+0xee/0x170 [ 9867.665590][T12167] __sys_sendmsg+0xcd/0x170 [ 9867.665590][T12167] do_syscall_64+0xc6/0x1e0 [ 9867.665590][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9867.665590][T12167] [ 9867.667338][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9867.667338][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9867.667338][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9867.667338][T12167] ipv6_find_idev+0x102/0x170 [ 9867.667338][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9867.667338][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9867.667338][T12167] netlink_rcv_skb+0x130/0x360 [ 9867.667338][T12167] netlink_unicast+0x449/0x710 [ 9867.667338][T12167] netlink_sendmsg+0x723/0xbe0 [ 9867.667338][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9867.667338][T12167] ___sys_sendmsg+0xee/0x170 [ 9867.667338][T12167] __sys_sendmsg+0xcd/0x170 [ 9867.667338][T12167] do_syscall_64+0xc6/0x1e0 [ 9867.667338][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9867.667338][T12167] [ 9868.182884][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9868.183282][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9868.183282][ T10] dst_init+0x84/0x4a0 [ 9868.183282][ T10] dst_alloc+0x97/0x150 [ 9868.183282][ T10] ip6_dst_alloc+0x23/0x90 [ 9868.183282][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9868.183282][ T10] ip6_pol_route+0x56f/0x840 [ 9868.183282][ T10] fib6_rule_lookup+0x334/0x630 [ 9868.183282][ T10] ip6_route_output_flags+0x259/0x480 [ 9868.183282][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9868.183282][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9868.183282][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9868.183282][ T10] ____sys_sendmsg+0x772/0xa10 [ 9868.183282][ T10] ___sys_sendmsg+0xee/0x170 [ 9868.183282][ T10] __sys_sendmsg+0xcd/0x170 [ 9868.183282][ T10] do_syscall_64+0xc6/0x1e0 [ 9868.183282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9868.183282][ T10] [ 9868.185186][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9868.185186][ T10] dst_init+0x84/0x4a0 [ 9868.185186][ T10] dst_alloc+0x97/0x150 [ 9868.185186][ T10] ip6_dst_alloc+0x23/0x90 [ 9868.185186][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9868.185186][ T10] ip6_pol_route+0x56f/0x840 [ 9868.185186][ T10] fib6_rule_lookup+0x334/0x630 [ 9868.185186][ T10] ip6_route_output_flags+0x259/0x480 [ 9868.185186][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9868.185186][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9868.185186][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9868.185186][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9868.185186][ T10] ____sys_sendmsg+0x772/0xa10 [ 9868.185186][ T10] ___sys_sendmsg+0xee/0x170 [ 9868.185186][ T10] __sys_sendmsg+0xcd/0x170 [ 9868.185186][ T10] do_syscall_64+0xc6/0x1e0 [ 9868.185186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9868.185186][ T10] [ 9868.187175][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9868.187175][ T10] dst_init+0x84/0x4a0 [ 9868.187175][ T10] dst_alloc+0x97/0x150 [ 9868.187175][ T10] ip6_dst_alloc+0x23/0x90 [ 9868.187175][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9868.187175][ T10] ip6_pol_route+0x56f/0x840 [ 9868.187175][ T10] fib6_rule_lookup+0x334/0x630 [ 9868.187175][ T10] ip6_route_output_flags+0x259/0x480 [ 9868.187175][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9868.187175][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9868.187175][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9868.187175][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9868.187175][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9868.187175][ T10] ___sys_sendmsg+0xee/0x170 [ 9868.187175][ T10] __sys_sendmsg+0xcd/0x170 [ 9868.187175][ T10] do_syscall_64+0xc6/0x1e0 [ 9868.187175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9868.187175][ T10] [ 9868.189173][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9868.189173][ T10] netdev_get_by_index+0x5e/0x80 [ 9868.189173][ T10] fib6_nh_init+0x3d8/0x1580 [ 9868.189173][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9868.189173][ T10] ip6_route_add+0x1c/0x140 [ 9868.189173][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9868.189173][ T10] inet6_addr_add+0x4f8/0xa40 [ 9868.189173][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9868.189173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9868.189173][ T10] netlink_rcv_skb+0x130/0x360 [ 9868.189173][ T10] netlink_unicast+0x449/0x710 [ 9868.189173][ T10] netlink_sendmsg+0x723/0xbe0 [ 9868.189173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9868.189173][ T10] ___sys_sendmsg+0xee/0x170 [ 9868.189173][ T10] __sys_sendmsg+0xcd/0x170 [ 9868.189173][ T10] do_syscall_64+0xc6/0x1e0 [ 9868.189173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9868.189173][ T10] [ 9868.191203][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9868.191203][ T10] netdev_get_by_index+0x5e/0x80 [ 9868.191203][ T10] fib6_nh_init+0x3d8/0x1580 [ 9868.191203][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9868.191203][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9868.191203][ T10] ipv6_add_addr+0x411/0x2000 [ 9868.191203][ T10] inet6_addr_add+0x30e/0xa40 [ 9868.191203][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9868.191203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9868.191203][ T10] netlink_rcv_skb+0x130/0x360 [ 9868.191203][ T10] netlink_unicast+0x449/0x710 [ 9868.191203][ T10] netlink_sendmsg+0x723/0xbe0 [ 9868.191203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9868.191203][ T10] ___sys_sendmsg+0xee/0x170 [ 9868.191203][ T10] __sys_sendmsg+0xcd/0x170 [ 9868.191203][ T10] do_syscall_64+0xc6/0x1e0 [ 9868.191203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9868.191203][ T10] [ 9868.193200][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9868.193200][ T10] netdev_get_by_index+0x5e/0x80 [ 9868.193200][ T10] fib6_nh_init+0x3d8/0x1580 [ 9868.193200][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9868.193200][ T10] ip6_route_add+0x1c/0x140 [ 9868.193200][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9868.193200][ T10] addrconf_add_dev+0xe2/0x170 [ 9868.193200][ T10] inet6_addr_add+0x12f/0xa40 [ 9868.193200][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9868.193200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9868.193200][ T10] netlink_rcv_skb+0x130/0x360 [ 9868.193200][ T10] netlink_unicast+0x449/0x710 [ 9868.193200][ T10] netlink_sendmsg+0x723/0xbe0 [ 9868.193200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9868.193200][ T10] ___sys_sendmsg+0xee/0x170 [ 9868.193200][ T10] __sys_sendmsg+0xcd/0x170 [ 9868.193200][ T10] do_syscall_64+0xc6/0x1e0 [ 9868.193200][ T10] [ 9868.195163][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9868.195163][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9868.195163][ T10] ipv6_find_idev+0x102/0x170 [ 9868.195163][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9868.195163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9868.195163][ T10] netlink_rcv_skb+0x130/0x360 [ 9868.195163][ T10] netlink_unicast+0x449/0x710 [ 9868.195163][ T10] netlink_sendmsg+0x723/0xbe0 [ 9868.195163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9868.195163][ T10] ___sys_sendmsg+0xee/0x170 [ 9868.195163][ T10] __sys_sendmsg+0xcd/0x170 [ 9868.195163][ T10] do_syscall_64+0xc6/0x1e0 [ 9868.195163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9868.195163][ T10] [ 9868.196697][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9868.196697][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9868.196697][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9868.196697][ T10] ipv6_find_idev+0x102/0x170 [ 9868.196697][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9868.196697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9868.196697][ T10] netlink_rcv_skb+0x130/0x360 [ 9868.196697][ T10] netlink_unicast+0x449/0x710 [ 9868.196697][ T10] netlink_sendmsg+0x723/0xbe0 [ 9868.196697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9868.196697][ T10] ___sys_sendmsg+0xee/0x170 [ 9868.196697][ T10] __sys_sendmsg+0xcd/0x170 [ 9868.196697][ T10] do_syscall_64+0xc6/0x1e0 [ 9868.196697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9868.196697][ T10] [ 9877.686743][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9877.687254][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9877.687254][T12167] netdev_get_by_index+0x5e/0x80 [ 9877.687254][T12167] fib6_nh_init+0x3d8/0x1580 [ 9877.687254][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9877.687254][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9877.687254][T12167] ipv6_add_addr+0x411/0x2000 [ 9877.687254][T12167] inet6_addr_add+0x30e/0xa40 [ 9877.687254][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9877.687254][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9877.687254][T12167] netlink_rcv_skb+0x130/0x360 [ 9877.687254][T12167] netlink_unicast+0x449/0x710 [ 9877.687254][T12167] netlink_sendmsg+0x723/0xbe0 [ 9877.687254][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9877.687254][T12167] ___sys_sendmsg+0xee/0x170 [ 9877.687254][T12167] __sys_sendmsg+0xcd/0x170 [ 9877.687254][T12167] do_syscall_64+0xc6/0x1e0 [ 9877.687254][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9877.687254][T12167] [ 9877.689524][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9877.689524][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9877.689524][T12167] ipv6_find_idev+0x102/0x170 [ 9877.689524][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9877.689524][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9877.689524][T12167] netlink_rcv_skb+0x130/0x360 [ 9877.689524][T12167] netlink_unicast+0x449/0x710 [ 9877.689524][T12167] netlink_sendmsg+0x723/0xbe0 [ 9877.689524][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9877.689524][T12167] ___sys_sendmsg+0xee/0x170 [ 9877.689524][T12167] __sys_sendmsg+0xcd/0x170 [ 9877.689524][T12167] do_syscall_64+0xc6/0x1e0 [ 9877.689524][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9877.689524][T12167] [ 9877.691272][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9877.691272][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9877.691272][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9877.691272][T12167] ipv6_find_idev+0x102/0x170 [ 9877.691272][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9877.691272][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9877.691272][T12167] netlink_rcv_skb+0x130/0x360 [ 9877.691272][T12167] netlink_unicast+0x449/0x710 [ 9877.691272][T12167] netlink_sendmsg+0x723/0xbe0 [ 9877.691272][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9877.691272][T12167] ___sys_sendmsg+0xee/0x170 [ 9877.691272][T12167] __sys_sendmsg+0xcd/0x170 [ 9877.691272][T12167] do_syscall_64+0xc6/0x1e0 [ 9877.691272][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9877.691272][T12167] [ 9878.198801][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9878.199212][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9878.199212][ T10] dst_init+0x84/0x4a0 [ 9878.199212][ T10] dst_alloc+0x97/0x150 [ 9878.199212][ T10] ip6_dst_alloc+0x23/0x90 [ 9878.199212][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9878.199212][ T10] ip6_pol_route+0x56f/0x840 [ 9878.199212][ T10] fib6_rule_lookup+0x334/0x630 [ 9878.199212][ T10] ip6_route_output_flags+0x259/0x480 [ 9878.199212][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9878.199212][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9878.199212][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9878.199212][ T10] ____sys_sendmsg+0x772/0xa10 [ 9878.199212][ T10] ___sys_sendmsg+0xee/0x170 [ 9878.199212][ T10] __sys_sendmsg+0xcd/0x170 [ 9878.199212][ T10] do_syscall_64+0xc6/0x1e0 [ 9878.199212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9878.199212][ T10] [ 9878.201144][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9878.201144][ T10] dst_init+0x84/0x4a0 [ 9878.201144][ T10] dst_alloc+0x97/0x150 [ 9878.201144][ T10] ip6_dst_alloc+0x23/0x90 [ 9878.201144][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9878.201144][ T10] ip6_pol_route+0x56f/0x840 [ 9878.201144][ T10] fib6_rule_lookup+0x334/0x630 [ 9878.201144][ T10] ip6_route_output_flags+0x259/0x480 [ 9878.201144][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9878.201144][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9878.201144][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9878.201144][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9878.201144][ T10] ____sys_sendmsg+0x772/0xa10 [ 9878.201144][ T10] ___sys_sendmsg+0xee/0x170 [ 9878.201144][ T10] __sys_sendmsg+0xcd/0x170 [ 9878.201144][ T10] do_syscall_64+0xc6/0x1e0 [ 9878.201144][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9878.201144][ T10] [ 9878.203155][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9878.203155][ T10] dst_init+0x84/0x4a0 [ 9878.203155][ T10] dst_alloc+0x97/0x150 [ 9878.203155][ T10] ip6_dst_alloc+0x23/0x90 [ 9878.203155][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9878.203155][ T10] ip6_pol_route+0x56f/0x840 [ 9878.203155][ T10] fib6_rule_lookup+0x334/0x630 [ 9878.203155][ T10] ip6_route_output_flags+0x259/0x480 [ 9878.203155][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9878.203155][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9878.203155][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9878.203155][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9878.203155][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9878.203155][ T10] ___sys_sendmsg+0xee/0x170 [ 9878.203155][ T10] __sys_sendmsg+0xcd/0x170 [ 9878.203155][ T10] do_syscall_64+0xc6/0x1e0 [ 9878.203155][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9878.203155][ T10] [ 9878.205174][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9878.205174][ T10] netdev_get_by_index+0x5e/0x80 [ 9878.205174][ T10] fib6_nh_init+0x3d8/0x1580 [ 9878.205174][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9878.205174][ T10] ip6_route_add+0x1c/0x140 [ 9878.205174][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9878.205174][ T10] inet6_addr_add+0x4f8/0xa40 [ 9878.205174][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9878.205174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9878.205174][ T10] netlink_rcv_skb+0x130/0x360 [ 9878.205174][ T10] netlink_unicast+0x449/0x710 [ 9878.205174][ T10] netlink_sendmsg+0x723/0xbe0 [ 9878.205174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9878.205174][ T10] ___sys_sendmsg+0xee/0x170 [ 9878.205174][ T10] __sys_sendmsg+0xcd/0x170 [ 9878.205174][ T10] do_syscall_64+0xc6/0x1e0 [ 9878.205174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9878.205174][ T10] [ 9878.207203][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9878.207203][ T10] netdev_get_by_index+0x5e/0x80 [ 9878.207203][ T10] fib6_nh_init+0x3d8/0x1580 [ 9878.207203][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9878.207203][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9878.207203][ T10] ipv6_add_addr+0x411/0x2000 [ 9878.207203][ T10] inet6_addr_add+0x30e/0xa40 [ 9878.207203][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9878.207203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9878.207203][ T10] netlink_rcv_skb+0x130/0x360 [ 9878.207203][ T10] netlink_unicast+0x449/0x710 [ 9878.207203][ T10] netlink_sendmsg+0x723/0xbe0 [ 9878.207203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9878.207203][ T10] ___sys_sendmsg+0xee/0x170 [ 9878.207203][ T10] __sys_sendmsg+0xcd/0x170 [ 9878.207203][ T10] do_syscall_64+0xc6/0x1e0 [ 9878.207203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9878.207203][ T10] [ 9878.209233][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9878.209233][ T10] netdev_get_by_index+0x5e/0x80 [ 9878.209233][ T10] fib6_nh_init+0x3d8/0x1580 [ 9878.209233][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9878.209233][ T10] ip6_route_add+0x1c/0x140 [ 9878.209233][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9878.209233][ T10] addrconf_add_dev+0xe2/0x170 [ 9878.209233][ T10] inet6_addr_add+0x12f/0xa40 [ 9878.209233][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9878.209233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9878.209233][ T10] netlink_rcv_skb+0x130/0x360 [ 9878.209233][ T10] netlink_unicast+0x449/0x710 [ 9878.209233][ T10] netlink_sendmsg+0x723/0xbe0 [ 9878.209233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9878.209233][ T10] ___sys_sendmsg+0xee/0x170 [ 9878.209233][ T10] __sys_sendmsg+0xcd/0x170 [ 9878.209233][ T10] do_syscall_64+0xc6/0x1e0 [ 9878.209233][ T10] [ 9878.211224][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9878.211224][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9878.211224][ T10] ipv6_find_idev+0x102/0x170 [ 9878.211224][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9878.211224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9878.211224][ T10] netlink_rcv_skb+0x130/0x360 [ 9878.211224][ T10] netlink_unicast+0x449/0x710 [ 9878.211224][ T10] netlink_sendmsg+0x723/0xbe0 [ 9878.211224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9878.211224][ T10] ___sys_sendmsg+0xee/0x170 [ 9878.211224][ T10] __sys_sendmsg+0xcd/0x170 [ 9878.211224][ T10] do_syscall_64+0xc6/0x1e0 [ 9878.211224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9878.211224][ T10] [ 9878.212777][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9878.212777][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9878.212777][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9878.212777][ T10] ipv6_find_idev+0x102/0x170 [ 9878.212777][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9878.212777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9878.212777][ T10] netlink_rcv_skb+0x130/0x360 [ 9878.212777][ T10] netlink_unicast+0x449/0x710 [ 9878.212777][ T10] netlink_sendmsg+0x723/0xbe0 [ 9878.212777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9878.212777][ T10] ___sys_sendmsg+0xee/0x170 [ 9878.212777][ T10] __sys_sendmsg+0xcd/0x170 [ 9878.212777][ T10] do_syscall_64+0xc6/0x1e0 [ 9878.212777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9878.212777][ T10] [ 9887.694806][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9887.695320][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9887.695320][T12167] netdev_get_by_index+0x5e/0x80 [ 9887.695320][T12167] fib6_nh_init+0x3d8/0x1580 [ 9887.695320][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9887.695320][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9887.695320][T12167] ipv6_add_addr+0x411/0x2000 [ 9887.695320][T12167] inet6_addr_add+0x30e/0xa40 [ 9887.695320][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9887.695320][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9887.695320][T12167] netlink_rcv_skb+0x130/0x360 [ 9887.695320][T12167] netlink_unicast+0x449/0x710 [ 9887.695320][T12167] netlink_sendmsg+0x723/0xbe0 [ 9887.695320][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9887.695320][T12167] ___sys_sendmsg+0xee/0x170 [ 9887.695320][T12167] __sys_sendmsg+0xcd/0x170 [ 9887.695320][T12167] do_syscall_64+0xc6/0x1e0 [ 9887.695320][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9887.695320][T12167] [ 9887.697593][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9887.697593][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9887.697593][T12167] ipv6_find_idev+0x102/0x170 [ 9887.697593][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9887.697593][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9887.697593][T12167] netlink_rcv_skb+0x130/0x360 [ 9887.697593][T12167] netlink_unicast+0x449/0x710 [ 9887.697593][T12167] netlink_sendmsg+0x723/0xbe0 [ 9887.697593][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9887.697593][T12167] ___sys_sendmsg+0xee/0x170 [ 9887.697593][T12167] __sys_sendmsg+0xcd/0x170 [ 9887.697593][T12167] do_syscall_64+0xc6/0x1e0 [ 9887.697593][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9887.697593][T12167] [ 9887.699341][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9887.699341][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9887.699341][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9887.699341][T12167] ipv6_find_idev+0x102/0x170 [ 9887.699341][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9887.699341][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9887.699341][T12167] netlink_rcv_skb+0x130/0x360 [ 9887.699341][T12167] netlink_unicast+0x449/0x710 [ 9887.699341][T12167] netlink_sendmsg+0x723/0xbe0 [ 9887.699341][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9887.699341][T12167] ___sys_sendmsg+0xee/0x170 [ 9887.699341][T12167] __sys_sendmsg+0xcd/0x170 [ 9887.699341][T12167] do_syscall_64+0xc6/0x1e0 [ 9887.699341][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9887.699341][T12167] [ 9888.454807][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9888.455241][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9888.455241][ T10] dst_init+0x84/0x4a0 [ 9888.455241][ T10] dst_alloc+0x97/0x150 [ 9888.455241][ T10] ip6_dst_alloc+0x23/0x90 [ 9888.455241][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9888.455241][ T10] ip6_pol_route+0x56f/0x840 [ 9888.455241][ T10] fib6_rule_lookup+0x334/0x630 [ 9888.455241][ T10] ip6_route_output_flags+0x259/0x480 [ 9888.455241][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9888.455241][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9888.455241][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9888.455241][ T10] ____sys_sendmsg+0x772/0xa10 [ 9888.455241][ T10] ___sys_sendmsg+0xee/0x170 [ 9888.455241][ T10] __sys_sendmsg+0xcd/0x170 [ 9888.455241][ T10] do_syscall_64+0xc6/0x1e0 [ 9888.455241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9888.455241][ T10] [ 9888.457128][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9888.457128][ T10] dst_init+0x84/0x4a0 [ 9888.457128][ T10] dst_alloc+0x97/0x150 [ 9888.457128][ T10] ip6_dst_alloc+0x23/0x90 [ 9888.457128][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9888.457128][ T10] ip6_pol_route+0x56f/0x840 [ 9888.457128][ T10] fib6_rule_lookup+0x334/0x630 [ 9888.457128][ T10] ip6_route_output_flags+0x259/0x480 [ 9888.457128][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9888.457128][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9888.457128][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9888.457128][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9888.457128][ T10] ____sys_sendmsg+0x772/0xa10 [ 9888.457128][ T10] ___sys_sendmsg+0xee/0x170 [ 9888.457128][ T10] __sys_sendmsg+0xcd/0x170 [ 9888.457128][ T10] do_syscall_64+0xc6/0x1e0 [ 9888.457128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9888.457128][ T10] [ 9888.459123][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9888.459123][ T10] dst_init+0x84/0x4a0 [ 9888.459123][ T10] dst_alloc+0x97/0x150 [ 9888.459123][ T10] ip6_dst_alloc+0x23/0x90 [ 9888.459123][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9888.459123][ T10] ip6_pol_route+0x56f/0x840 [ 9888.459123][ T10] fib6_rule_lookup+0x334/0x630 [ 9888.459123][ T10] ip6_route_output_flags+0x259/0x480 [ 9888.459123][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9888.459123][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9888.459123][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9888.459123][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9888.459123][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9888.459123][ T10] ___sys_sendmsg+0xee/0x170 [ 9888.459123][ T10] __sys_sendmsg+0xcd/0x170 [ 9888.459123][ T10] do_syscall_64+0xc6/0x1e0 [ 9888.459123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9888.459123][ T10] [ 9888.461137][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9888.461137][ T10] netdev_get_by_index+0x5e/0x80 [ 9888.461137][ T10] fib6_nh_init+0x3d8/0x1580 [ 9888.461137][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9888.461137][ T10] ip6_route_add+0x1c/0x140 [ 9888.461137][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9888.461137][ T10] inet6_addr_add+0x4f8/0xa40 [ 9888.461137][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9888.461137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9888.461137][ T10] netlink_rcv_skb+0x130/0x360 [ 9888.461137][ T10] netlink_unicast+0x449/0x710 [ 9888.461137][ T10] netlink_sendmsg+0x723/0xbe0 [ 9888.461137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9888.461137][ T10] ___sys_sendmsg+0xee/0x170 [ 9888.461137][ T10] __sys_sendmsg+0xcd/0x170 [ 9888.461137][ T10] do_syscall_64+0xc6/0x1e0 [ 9888.461137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9888.461137][ T10] [ 9888.463148][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9888.463148][ T10] netdev_get_by_index+0x5e/0x80 [ 9888.463148][ T10] fib6_nh_init+0x3d8/0x1580 [ 9888.463148][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9888.463148][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9888.463148][ T10] ipv6_add_addr+0x411/0x2000 [ 9888.463148][ T10] inet6_addr_add+0x30e/0xa40 [ 9888.463148][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9888.463148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9888.463148][ T10] netlink_rcv_skb+0x130/0x360 [ 9888.463148][ T10] netlink_unicast+0x449/0x710 [ 9888.463148][ T10] netlink_sendmsg+0x723/0xbe0 [ 9888.463148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9888.463148][ T10] ___sys_sendmsg+0xee/0x170 [ 9888.463148][ T10] __sys_sendmsg+0xcd/0x170 [ 9888.463148][ T10] do_syscall_64+0xc6/0x1e0 [ 9888.463148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9888.463148][ T10] [ 9888.465153][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9888.465153][ T10] netdev_get_by_index+0x5e/0x80 [ 9888.465153][ T10] fib6_nh_init+0x3d8/0x1580 [ 9888.465153][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9888.465153][ T10] ip6_route_add+0x1c/0x140 [ 9888.465153][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9888.465153][ T10] addrconf_add_dev+0xe2/0x170 [ 9888.465153][ T10] inet6_addr_add+0x12f/0xa40 [ 9888.465153][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9888.465153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9888.465153][ T10] netlink_rcv_skb+0x130/0x360 [ 9888.465153][ T10] netlink_unicast+0x449/0x710 [ 9888.465153][ T10] netlink_sendmsg+0x723/0xbe0 [ 9888.465153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9888.465153][ T10] ___sys_sendmsg+0xee/0x170 [ 9888.465153][ T10] __sys_sendmsg+0xcd/0x170 [ 9888.465153][ T10] do_syscall_64+0xc6/0x1e0 [ 9888.465153][ T10] [ 9888.467122][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9888.467122][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9888.467122][ T10] ipv6_find_idev+0x102/0x170 [ 9888.467122][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9888.467122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9888.467122][ T10] netlink_rcv_skb+0x130/0x360 [ 9888.467122][ T10] netlink_unicast+0x449/0x710 [ 9888.467122][ T10] netlink_sendmsg+0x723/0xbe0 [ 9888.467122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9888.467122][ T10] ___sys_sendmsg+0xee/0x170 [ 9888.467122][ T10] __sys_sendmsg+0xcd/0x170 [ 9888.467122][ T10] do_syscall_64+0xc6/0x1e0 [ 9888.467122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9888.467122][ T10] [ 9888.468664][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9888.468664][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9888.468664][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9888.468664][ T10] ipv6_find_idev+0x102/0x170 [ 9888.468664][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9888.468664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9888.468664][ T10] netlink_rcv_skb+0x130/0x360 [ 9888.468664][ T10] netlink_unicast+0x449/0x710 [ 9888.468664][ T10] netlink_sendmsg+0x723/0xbe0 [ 9888.468664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9888.468664][ T10] ___sys_sendmsg+0xee/0x170 [ 9888.468664][ T10] __sys_sendmsg+0xcd/0x170 [ 9888.468664][ T10] do_syscall_64+0xc6/0x1e0 [ 9888.468664][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9888.468664][ T10] [ 9897.950806][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9897.951328][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9897.951328][T12167] netdev_get_by_index+0x5e/0x80 [ 9897.951328][T12167] fib6_nh_init+0x3d8/0x1580 [ 9897.951328][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9897.951328][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9897.951328][T12167] ipv6_add_addr+0x411/0x2000 [ 9897.951328][T12167] inet6_addr_add+0x30e/0xa40 [ 9897.951328][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9897.951328][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9897.951328][T12167] netlink_rcv_skb+0x130/0x360 [ 9897.951328][T12167] netlink_unicast+0x449/0x710 [ 9897.951328][T12167] netlink_sendmsg+0x723/0xbe0 [ 9897.951328][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9897.951328][T12167] ___sys_sendmsg+0xee/0x170 [ 9897.951328][T12167] __sys_sendmsg+0xcd/0x170 [ 9897.951328][T12167] do_syscall_64+0xc6/0x1e0 [ 9897.951328][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9897.951328][T12167] [ 9897.953621][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9897.953621][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9897.953621][T12167] ipv6_find_idev+0x102/0x170 [ 9897.953621][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9897.953621][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9897.953621][T12167] netlink_rcv_skb+0x130/0x360 [ 9897.953621][T12167] netlink_unicast+0x449/0x710 [ 9897.953621][T12167] netlink_sendmsg+0x723/0xbe0 [ 9897.953621][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9897.953621][T12167] ___sys_sendmsg+0xee/0x170 [ 9897.953621][T12167] __sys_sendmsg+0xcd/0x170 [ 9897.953621][T12167] do_syscall_64+0xc6/0x1e0 [ 9897.953621][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9897.953621][T12167] [ 9897.955355][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9897.955355][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9897.955355][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9897.955355][T12167] ipv6_find_idev+0x102/0x170 [ 9897.955355][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9897.955355][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9897.955355][T12167] netlink_rcv_skb+0x130/0x360 [ 9897.955355][T12167] netlink_unicast+0x449/0x710 [ 9897.955355][T12167] netlink_sendmsg+0x723/0xbe0 [ 9897.955355][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9897.955355][T12167] ___sys_sendmsg+0xee/0x170 [ 9897.955355][T12167] __sys_sendmsg+0xcd/0x170 [ 9897.955355][T12167] do_syscall_64+0xc6/0x1e0 [ 9897.955355][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9897.955355][T12167] [ 9898.710800][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9898.711229][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9898.711229][ T10] dst_init+0x84/0x4a0 [ 9898.711229][ T10] dst_alloc+0x97/0x150 [ 9898.711229][ T10] ip6_dst_alloc+0x23/0x90 [ 9898.711229][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9898.711229][ T10] ip6_pol_route+0x56f/0x840 [ 9898.711229][ T10] fib6_rule_lookup+0x334/0x630 [ 9898.711229][ T10] ip6_route_output_flags+0x259/0x480 [ 9898.711229][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9898.711229][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9898.711229][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9898.711229][ T10] ____sys_sendmsg+0x772/0xa10 [ 9898.711229][ T10] ___sys_sendmsg+0xee/0x170 [ 9898.711229][ T10] __sys_sendmsg+0xcd/0x170 [ 9898.711229][ T10] do_syscall_64+0xc6/0x1e0 [ 9898.711229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9898.711229][ T10] [ 9898.713126][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9898.713126][ T10] dst_init+0x84/0x4a0 [ 9898.713126][ T10] dst_alloc+0x97/0x150 [ 9898.713126][ T10] ip6_dst_alloc+0x23/0x90 [ 9898.713126][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9898.713126][ T10] ip6_pol_route+0x56f/0x840 [ 9898.713126][ T10] fib6_rule_lookup+0x334/0x630 [ 9898.713126][ T10] ip6_route_output_flags+0x259/0x480 [ 9898.713126][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9898.713126][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9898.713126][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9898.713126][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9898.713126][ T10] ____sys_sendmsg+0x772/0xa10 [ 9898.713126][ T10] ___sys_sendmsg+0xee/0x170 [ 9898.713126][ T10] __sys_sendmsg+0xcd/0x170 [ 9898.713126][ T10] do_syscall_64+0xc6/0x1e0 [ 9898.713126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9898.713126][ T10] [ 9898.715119][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9898.715119][ T10] dst_init+0x84/0x4a0 [ 9898.715119][ T10] dst_alloc+0x97/0x150 [ 9898.715119][ T10] ip6_dst_alloc+0x23/0x90 [ 9898.715119][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9898.715119][ T10] ip6_pol_route+0x56f/0x840 [ 9898.715119][ T10] fib6_rule_lookup+0x334/0x630 [ 9898.715119][ T10] ip6_route_output_flags+0x259/0x480 [ 9898.715119][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9898.715119][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9898.715119][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9898.715119][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9898.715119][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9898.715119][ T10] ___sys_sendmsg+0xee/0x170 [ 9898.715119][ T10] __sys_sendmsg+0xcd/0x170 [ 9898.715119][ T10] do_syscall_64+0xc6/0x1e0 [ 9898.715119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9898.715119][ T10] [ 9898.717111][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9898.717111][ T10] netdev_get_by_index+0x5e/0x80 [ 9898.717111][ T10] fib6_nh_init+0x3d8/0x1580 [ 9898.717111][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9898.717111][ T10] ip6_route_add+0x1c/0x140 [ 9898.717111][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9898.717111][ T10] inet6_addr_add+0x4f8/0xa40 [ 9898.717111][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9898.717111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9898.717111][ T10] netlink_rcv_skb+0x130/0x360 [ 9898.717111][ T10] netlink_unicast+0x449/0x710 [ 9898.717111][ T10] netlink_sendmsg+0x723/0xbe0 [ 9898.717111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9898.717111][ T10] ___sys_sendmsg+0xee/0x170 [ 9898.717111][ T10] __sys_sendmsg+0xcd/0x170 [ 9898.717111][ T10] do_syscall_64+0xc6/0x1e0 [ 9898.717111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9898.717111][ T10] [ 9898.719125][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9898.719125][ T10] netdev_get_by_index+0x5e/0x80 [ 9898.719125][ T10] fib6_nh_init+0x3d8/0x1580 [ 9898.719125][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9898.719125][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9898.719125][ T10] ipv6_add_addr+0x411/0x2000 [ 9898.719125][ T10] inet6_addr_add+0x30e/0xa40 [ 9898.719125][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9898.719125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9898.719125][ T10] netlink_rcv_skb+0x130/0x360 [ 9898.719125][ T10] netlink_unicast+0x449/0x710 [ 9898.719125][ T10] netlink_sendmsg+0x723/0xbe0 [ 9898.719125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9898.719125][ T10] ___sys_sendmsg+0xee/0x170 [ 9898.719125][ T10] __sys_sendmsg+0xcd/0x170 [ 9898.719125][ T10] do_syscall_64+0xc6/0x1e0 [ 9898.719125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9898.719125][ T10] [ 9898.721133][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9898.721133][ T10] netdev_get_by_index+0x5e/0x80 [ 9898.721133][ T10] fib6_nh_init+0x3d8/0x1580 [ 9898.721133][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9898.721133][ T10] ip6_route_add+0x1c/0x140 [ 9898.721133][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9898.721133][ T10] addrconf_add_dev+0xe2/0x170 [ 9898.721133][ T10] inet6_addr_add+0x12f/0xa40 [ 9898.721133][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9898.721133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9898.721133][ T10] netlink_rcv_skb+0x130/0x360 [ 9898.721133][ T10] netlink_unicast+0x449/0x710 [ 9898.721133][ T10] netlink_sendmsg+0x723/0xbe0 [ 9898.721133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9898.721133][ T10] ___sys_sendmsg+0xee/0x170 [ 9898.721133][ T10] __sys_sendmsg+0xcd/0x170 [ 9898.721133][ T10] do_syscall_64+0xc6/0x1e0 [ 9898.721133][ T10] [ 9898.723105][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9898.723105][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9898.723105][ T10] ipv6_find_idev+0x102/0x170 [ 9898.723105][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9898.723105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9898.723105][ T10] netlink_rcv_skb+0x130/0x360 [ 9898.723105][ T10] netlink_unicast+0x449/0x710 [ 9898.723105][ T10] netlink_sendmsg+0x723/0xbe0 [ 9898.723105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9898.723105][ T10] ___sys_sendmsg+0xee/0x170 [ 9898.723105][ T10] __sys_sendmsg+0xcd/0x170 [ 9898.723105][ T10] do_syscall_64+0xc6/0x1e0 [ 9898.723105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9898.723105][ T10] [ 9898.724648][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9898.724648][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9898.724648][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9898.724648][ T10] ipv6_find_idev+0x102/0x170 [ 9898.724648][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9898.724648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9898.724648][ T10] netlink_rcv_skb+0x130/0x360 [ 9898.724648][ T10] netlink_unicast+0x449/0x710 [ 9898.724648][ T10] netlink_sendmsg+0x723/0xbe0 [ 9898.724648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9898.724648][ T10] ___sys_sendmsg+0xee/0x170 [ 9898.724648][ T10] __sys_sendmsg+0xcd/0x170 [ 9898.724648][ T10] do_syscall_64+0xc6/0x1e0 [ 9898.724648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9898.724648][ T10] [ 9908.206850][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9908.207377][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9908.207377][T12167] netdev_get_by_index+0x5e/0x80 [ 9908.207377][T12167] fib6_nh_init+0x3d8/0x1580 [ 9908.207377][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9908.207377][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9908.207377][T12167] ipv6_add_addr+0x411/0x2000 [ 9908.207377][T12167] inet6_addr_add+0x30e/0xa40 [ 9908.207377][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9908.207377][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9908.207377][T12167] netlink_rcv_skb+0x130/0x360 [ 9908.207377][T12167] netlink_unicast+0x449/0x710 [ 9908.207377][T12167] netlink_sendmsg+0x723/0xbe0 [ 9908.207377][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9908.207377][T12167] ___sys_sendmsg+0xee/0x170 [ 9908.207377][T12167] __sys_sendmsg+0xcd/0x170 [ 9908.207377][T12167] do_syscall_64+0xc6/0x1e0 [ 9908.207377][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9908.207377][T12167] [ 9908.209679][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9908.209679][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9908.209679][T12167] ipv6_find_idev+0x102/0x170 [ 9908.209679][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9908.209679][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9908.209679][T12167] netlink_rcv_skb+0x130/0x360 [ 9908.209679][T12167] netlink_unicast+0x449/0x710 [ 9908.209679][T12167] netlink_sendmsg+0x723/0xbe0 [ 9908.209679][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9908.209679][T12167] ___sys_sendmsg+0xee/0x170 [ 9908.209679][T12167] __sys_sendmsg+0xcd/0x170 [ 9908.209679][T12167] do_syscall_64+0xc6/0x1e0 [ 9908.209679][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9908.209679][T12167] [ 9908.211420][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9908.211420][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9908.211420][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9908.211420][T12167] ipv6_find_idev+0x102/0x170 [ 9908.211420][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9908.211420][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9908.211420][T12167] netlink_rcv_skb+0x130/0x360 [ 9908.211420][T12167] netlink_unicast+0x449/0x710 [ 9908.211420][T12167] netlink_sendmsg+0x723/0xbe0 [ 9908.211420][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9908.211420][T12167] ___sys_sendmsg+0xee/0x170 [ 9908.211420][T12167] __sys_sendmsg+0xcd/0x170 [ 9908.211420][T12167] do_syscall_64+0xc6/0x1e0 [ 9908.211420][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9908.211420][T12167] [ 9908.734797][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9908.735197][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9908.735197][ T10] dst_init+0x84/0x4a0 [ 9908.735197][ T10] dst_alloc+0x97/0x150 [ 9908.735197][ T10] ip6_dst_alloc+0x23/0x90 [ 9908.735197][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9908.735197][ T10] ip6_pol_route+0x56f/0x840 [ 9908.735197][ T10] fib6_rule_lookup+0x334/0x630 [ 9908.735197][ T10] ip6_route_output_flags+0x259/0x480 [ 9908.735197][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9908.735197][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9908.735197][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9908.735197][ T10] ____sys_sendmsg+0x772/0xa10 [ 9908.735197][ T10] ___sys_sendmsg+0xee/0x170 [ 9908.735197][ T10] __sys_sendmsg+0xcd/0x170 [ 9908.735197][ T10] do_syscall_64+0xc6/0x1e0 [ 9908.735197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9908.735197][ T10] [ 9908.737089][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9908.737089][ T10] dst_init+0x84/0x4a0 [ 9908.737089][ T10] dst_alloc+0x97/0x150 [ 9908.737089][ T10] ip6_dst_alloc+0x23/0x90 [ 9908.737089][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9908.737089][ T10] ip6_pol_route+0x56f/0x840 [ 9908.737089][ T10] fib6_rule_lookup+0x334/0x630 [ 9908.737089][ T10] ip6_route_output_flags+0x259/0x480 [ 9908.737089][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9908.737089][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9908.737089][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9908.737089][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9908.737089][ T10] ____sys_sendmsg+0x772/0xa10 [ 9908.737089][ T10] ___sys_sendmsg+0xee/0x170 [ 9908.737089][ T10] __sys_sendmsg+0xcd/0x170 [ 9908.737089][ T10] do_syscall_64+0xc6/0x1e0 [ 9908.737089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9908.737089][ T10] [ 9908.739085][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9908.739085][ T10] dst_init+0x84/0x4a0 [ 9908.739085][ T10] dst_alloc+0x97/0x150 [ 9908.739085][ T10] ip6_dst_alloc+0x23/0x90 [ 9908.739085][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9908.739085][ T10] ip6_pol_route+0x56f/0x840 [ 9908.739085][ T10] fib6_rule_lookup+0x334/0x630 [ 9908.739085][ T10] ip6_route_output_flags+0x259/0x480 [ 9908.739085][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9908.739085][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9908.739085][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9908.739085][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9908.739085][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9908.739085][ T10] ___sys_sendmsg+0xee/0x170 [ 9908.739085][ T10] __sys_sendmsg+0xcd/0x170 [ 9908.739085][ T10] do_syscall_64+0xc6/0x1e0 [ 9908.739085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9908.739085][ T10] [ 9908.741087][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9908.741087][ T10] netdev_get_by_index+0x5e/0x80 [ 9908.741087][ T10] fib6_nh_init+0x3d8/0x1580 [ 9908.741087][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9908.741087][ T10] ip6_route_add+0x1c/0x140 [ 9908.741087][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9908.741087][ T10] inet6_addr_add+0x4f8/0xa40 [ 9908.741087][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9908.741087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9908.741087][ T10] netlink_rcv_skb+0x130/0x360 [ 9908.741087][ T10] netlink_unicast+0x449/0x710 [ 9908.741087][ T10] netlink_sendmsg+0x723/0xbe0 [ 9908.741087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9908.741087][ T10] ___sys_sendmsg+0xee/0x170 [ 9908.741087][ T10] __sys_sendmsg+0xcd/0x170 [ 9908.741087][ T10] do_syscall_64+0xc6/0x1e0 [ 9908.741087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9908.741087][ T10] [ 9908.743153][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9908.743153][ T10] netdev_get_by_index+0x5e/0x80 [ 9908.743153][ T10] fib6_nh_init+0x3d8/0x1580 [ 9908.743153][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9908.743153][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9908.743153][ T10] ipv6_add_addr+0x411/0x2000 [ 9908.743153][ T10] inet6_addr_add+0x30e/0xa40 [ 9908.743153][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9908.743153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9908.743153][ T10] netlink_rcv_skb+0x130/0x360 [ 9908.743153][ T10] netlink_unicast+0x449/0x710 [ 9908.743153][ T10] netlink_sendmsg+0x723/0xbe0 [ 9908.743153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9908.743153][ T10] ___sys_sendmsg+0xee/0x170 [ 9908.743153][ T10] __sys_sendmsg+0xcd/0x170 [ 9908.743153][ T10] do_syscall_64+0xc6/0x1e0 [ 9908.743153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9908.743153][ T10] [ 9908.745154][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9908.745154][ T10] netdev_get_by_index+0x5e/0x80 [ 9908.745154][ T10] fib6_nh_init+0x3d8/0x1580 [ 9908.745154][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9908.745154][ T10] ip6_route_add+0x1c/0x140 [ 9908.745154][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9908.745154][ T10] addrconf_add_dev+0xe2/0x170 [ 9908.745154][ T10] inet6_addr_add+0x12f/0xa40 [ 9908.745154][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9908.745154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9908.745154][ T10] netlink_rcv_skb+0x130/0x360 [ 9908.745154][ T10] netlink_unicast+0x449/0x710 [ 9908.745154][ T10] netlink_sendmsg+0x723/0xbe0 [ 9908.745154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9908.745154][ T10] ___sys_sendmsg+0xee/0x170 [ 9908.745154][ T10] __sys_sendmsg+0xcd/0x170 [ 9908.745154][ T10] do_syscall_64+0xc6/0x1e0 [ 9908.745154][ T10] [ 9908.747112][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9908.747112][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9908.747112][ T10] ipv6_find_idev+0x102/0x170 [ 9908.747112][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9908.747112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9908.747112][ T10] netlink_rcv_skb+0x130/0x360 [ 9908.747112][ T10] netlink_unicast+0x449/0x710 [ 9908.747112][ T10] netlink_sendmsg+0x723/0xbe0 [ 9908.747112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9908.747112][ T10] ___sys_sendmsg+0xee/0x170 [ 9908.747112][ T10] __sys_sendmsg+0xcd/0x170 [ 9908.747112][ T10] do_syscall_64+0xc6/0x1e0 [ 9908.747112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9908.747112][ T10] [ 9908.748646][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9908.748646][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9908.748646][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9908.748646][ T10] ipv6_find_idev+0x102/0x170 [ 9908.748646][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9908.748646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9908.748646][ T10] netlink_rcv_skb+0x130/0x360 [ 9908.748646][ T10] netlink_unicast+0x449/0x710 [ 9908.748646][ T10] netlink_sendmsg+0x723/0xbe0 [ 9908.748646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9908.748646][ T10] ___sys_sendmsg+0xee/0x170 [ 9908.748646][ T10] __sys_sendmsg+0xcd/0x170 [ 9908.748646][ T10] do_syscall_64+0xc6/0x1e0 [ 9908.748646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9908.748646][ T10] [ 9918.462817][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9918.463275][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9918.463275][T12167] netdev_get_by_index+0x5e/0x80 [ 9918.463275][T12167] fib6_nh_init+0x3d8/0x1580 [ 9918.463275][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9918.463275][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9918.463275][T12167] ipv6_add_addr+0x411/0x2000 [ 9918.463275][T12167] inet6_addr_add+0x30e/0xa40 [ 9918.463275][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9918.463275][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9918.463275][T12167] netlink_rcv_skb+0x130/0x360 [ 9918.463275][T12167] netlink_unicast+0x449/0x710 [ 9918.463275][T12167] netlink_sendmsg+0x723/0xbe0 [ 9918.463275][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9918.463275][T12167] ___sys_sendmsg+0xee/0x170 [ 9918.463275][T12167] __sys_sendmsg+0xcd/0x170 [ 9918.463275][T12167] do_syscall_64+0xc6/0x1e0 [ 9918.463275][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9918.463275][T12167] [ 9918.465542][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9918.465542][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9918.465542][T12167] ipv6_find_idev+0x102/0x170 [ 9918.465542][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9918.465542][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9918.465542][T12167] netlink_rcv_skb+0x130/0x360 [ 9918.465542][T12167] netlink_unicast+0x449/0x710 [ 9918.465542][T12167] netlink_sendmsg+0x723/0xbe0 [ 9918.465542][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9918.465542][T12167] ___sys_sendmsg+0xee/0x170 [ 9918.465542][T12167] __sys_sendmsg+0xcd/0x170 [ 9918.465542][T12167] do_syscall_64+0xc6/0x1e0 [ 9918.465542][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9918.465542][T12167] [ 9918.467287][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9918.467287][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9918.467287][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9918.467287][T12167] ipv6_find_idev+0x102/0x170 [ 9918.467287][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9918.467287][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9918.467287][T12167] netlink_rcv_skb+0x130/0x360 [ 9918.467287][T12167] netlink_unicast+0x449/0x710 [ 9918.467287][T12167] netlink_sendmsg+0x723/0xbe0 [ 9918.467287][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9918.467287][T12167] ___sys_sendmsg+0xee/0x170 [ 9918.467287][T12167] __sys_sendmsg+0xcd/0x170 [ 9918.467287][T12167] do_syscall_64+0xc6/0x1e0 [ 9918.467287][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9918.467287][T12167] [ 9918.998797][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9918.999232][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9918.999232][ T10] dst_init+0x84/0x4a0 [ 9918.999232][ T10] dst_alloc+0x97/0x150 [ 9918.999232][ T10] ip6_dst_alloc+0x23/0x90 [ 9918.999232][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9918.999232][ T10] ip6_pol_route+0x56f/0x840 [ 9918.999232][ T10] fib6_rule_lookup+0x334/0x630 [ 9918.999232][ T10] ip6_route_output_flags+0x259/0x480 [ 9918.999232][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9918.999232][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9918.999232][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9918.999232][ T10] ____sys_sendmsg+0x772/0xa10 [ 9918.999232][ T10] ___sys_sendmsg+0xee/0x170 [ 9918.999232][ T10] __sys_sendmsg+0xcd/0x170 [ 9918.999232][ T10] do_syscall_64+0xc6/0x1e0 [ 9918.999232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9918.999232][ T10] [ 9919.001129][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9919.001129][ T10] dst_init+0x84/0x4a0 [ 9919.001129][ T10] dst_alloc+0x97/0x150 [ 9919.001129][ T10] ip6_dst_alloc+0x23/0x90 [ 9919.001129][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9919.001129][ T10] ip6_pol_route+0x56f/0x840 [ 9919.001129][ T10] fib6_rule_lookup+0x334/0x630 [ 9919.001129][ T10] ip6_route_output_flags+0x259/0x480 [ 9919.001129][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9919.001129][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9919.001129][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9919.001129][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9919.001129][ T10] ____sys_sendmsg+0x772/0xa10 [ 9919.001129][ T10] ___sys_sendmsg+0xee/0x170 [ 9919.001129][ T10] __sys_sendmsg+0xcd/0x170 [ 9919.001129][ T10] do_syscall_64+0xc6/0x1e0 [ 9919.001129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9919.001129][ T10] [ 9919.003121][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9919.003121][ T10] dst_init+0x84/0x4a0 [ 9919.003121][ T10] dst_alloc+0x97/0x150 [ 9919.003121][ T10] ip6_dst_alloc+0x23/0x90 [ 9919.003121][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9919.003121][ T10] ip6_pol_route+0x56f/0x840 [ 9919.003121][ T10] fib6_rule_lookup+0x334/0x630 [ 9919.003121][ T10] ip6_route_output_flags+0x259/0x480 [ 9919.003121][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9919.003121][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9919.003121][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9919.003121][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9919.003121][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9919.003121][ T10] ___sys_sendmsg+0xee/0x170 [ 9919.003121][ T10] __sys_sendmsg+0xcd/0x170 [ 9919.003121][ T10] do_syscall_64+0xc6/0x1e0 [ 9919.003121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9919.003121][ T10] [ 9919.005118][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9919.005118][ T10] netdev_get_by_index+0x5e/0x80 [ 9919.005118][ T10] fib6_nh_init+0x3d8/0x1580 [ 9919.005118][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9919.005118][ T10] ip6_route_add+0x1c/0x140 [ 9919.005118][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9919.005118][ T10] inet6_addr_add+0x4f8/0xa40 [ 9919.005118][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9919.005118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9919.005118][ T10] netlink_rcv_skb+0x130/0x360 [ 9919.005118][ T10] netlink_unicast+0x449/0x710 [ 9919.005118][ T10] netlink_sendmsg+0x723/0xbe0 [ 9919.005118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9919.005118][ T10] ___sys_sendmsg+0xee/0x170 [ 9919.005118][ T10] __sys_sendmsg+0xcd/0x170 [ 9919.005118][ T10] do_syscall_64+0xc6/0x1e0 [ 9919.005118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9919.005118][ T10] [ 9919.007115][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9919.007115][ T10] netdev_get_by_index+0x5e/0x80 [ 9919.007115][ T10] fib6_nh_init+0x3d8/0x1580 [ 9919.007115][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9919.007115][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9919.007115][ T10] ipv6_add_addr+0x411/0x2000 [ 9919.007115][ T10] inet6_addr_add+0x30e/0xa40 [ 9919.007115][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9919.007115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9919.007115][ T10] netlink_rcv_skb+0x130/0x360 [ 9919.007115][ T10] netlink_unicast+0x449/0x710 [ 9919.007115][ T10] netlink_sendmsg+0x723/0xbe0 [ 9919.007115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9919.007115][ T10] ___sys_sendmsg+0xee/0x170 [ 9919.007115][ T10] __sys_sendmsg+0xcd/0x170 [ 9919.007115][ T10] do_syscall_64+0xc6/0x1e0 [ 9919.007115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9919.007115][ T10] [ 9919.009107][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9919.009107][ T10] netdev_get_by_index+0x5e/0x80 [ 9919.009107][ T10] fib6_nh_init+0x3d8/0x1580 [ 9919.009107][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9919.009107][ T10] ip6_route_add+0x1c/0x140 [ 9919.009107][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9919.009107][ T10] addrconf_add_dev+0xe2/0x170 [ 9919.009107][ T10] inet6_addr_add+0x12f/0xa40 [ 9919.009107][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9919.009107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9919.009107][ T10] netlink_rcv_skb+0x130/0x360 [ 9919.009107][ T10] netlink_unicast+0x449/0x710 [ 9919.009107][ T10] netlink_sendmsg+0x723/0xbe0 [ 9919.009107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9919.009107][ T10] ___sys_sendmsg+0xee/0x170 [ 9919.009107][ T10] __sys_sendmsg+0xcd/0x170 [ 9919.009107][ T10] do_syscall_64+0xc6/0x1e0 [ 9919.009107][ T10] [ 9919.011075][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9919.011075][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9919.011075][ T10] ipv6_find_idev+0x102/0x170 [ 9919.011075][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9919.011075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9919.011075][ T10] netlink_rcv_skb+0x130/0x360 [ 9919.011075][ T10] netlink_unicast+0x449/0x710 [ 9919.011075][ T10] netlink_sendmsg+0x723/0xbe0 [ 9919.011075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9919.011075][ T10] ___sys_sendmsg+0xee/0x170 [ 9919.011075][ T10] __sys_sendmsg+0xcd/0x170 [ 9919.011075][ T10] do_syscall_64+0xc6/0x1e0 [ 9919.011075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9919.011075][ T10] [ 9919.012614][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9919.012614][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9919.012614][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9919.012614][ T10] ipv6_find_idev+0x102/0x170 [ 9919.012614][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9919.012614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9919.012614][ T10] netlink_rcv_skb+0x130/0x360 [ 9919.012614][ T10] netlink_unicast+0x449/0x710 [ 9919.012614][ T10] netlink_sendmsg+0x723/0xbe0 [ 9919.012614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9919.012614][ T10] ___sys_sendmsg+0xee/0x170 [ 9919.012614][ T10] __sys_sendmsg+0xcd/0x170 [ 9919.012614][ T10] do_syscall_64+0xc6/0x1e0 [ 9919.012614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9919.012614][ T10] [ 9928.710827][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9928.711347][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9928.711347][T12167] netdev_get_by_index+0x5e/0x80 [ 9928.711347][T12167] fib6_nh_init+0x3d8/0x1580 [ 9928.711347][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9928.711347][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9928.711347][T12167] ipv6_add_addr+0x411/0x2000 [ 9928.711347][T12167] inet6_addr_add+0x30e/0xa40 [ 9928.711347][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9928.711347][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9928.711347][T12167] netlink_rcv_skb+0x130/0x360 [ 9928.711347][T12167] netlink_unicast+0x449/0x710 [ 9928.711347][T12167] netlink_sendmsg+0x723/0xbe0 [ 9928.711347][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9928.711347][T12167] ___sys_sendmsg+0xee/0x170 [ 9928.711347][T12167] __sys_sendmsg+0xcd/0x170 [ 9928.711347][T12167] do_syscall_64+0xc6/0x1e0 [ 9928.711347][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9928.711347][T12167] [ 9928.713615][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9928.713615][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9928.713615][T12167] ipv6_find_idev+0x102/0x170 [ 9928.713615][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9928.713615][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9928.713615][T12167] netlink_rcv_skb+0x130/0x360 [ 9928.713615][T12167] netlink_unicast+0x449/0x710 [ 9928.713615][T12167] netlink_sendmsg+0x723/0xbe0 [ 9928.713615][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9928.713615][T12167] ___sys_sendmsg+0xee/0x170 [ 9928.713615][T12167] __sys_sendmsg+0xcd/0x170 [ 9928.713615][T12167] do_syscall_64+0xc6/0x1e0 [ 9928.713615][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9928.713615][T12167] [ 9928.715351][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9928.715351][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9928.715351][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9928.715351][T12167] ipv6_find_idev+0x102/0x170 [ 9928.715351][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9928.715351][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9928.715351][T12167] netlink_rcv_skb+0x130/0x360 [ 9928.715351][T12167] netlink_unicast+0x449/0x710 [ 9928.715351][T12167] netlink_sendmsg+0x723/0xbe0 [ 9928.715351][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9928.715351][T12167] ___sys_sendmsg+0xee/0x170 [ 9928.715351][T12167] __sys_sendmsg+0xcd/0x170 [ 9928.715351][T12167] do_syscall_64+0xc6/0x1e0 [ 9928.715351][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9928.715351][T12167] [ 9929.254803][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9929.255264][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9929.255264][ T10] dst_init+0x84/0x4a0 [ 9929.255264][ T10] dst_alloc+0x97/0x150 [ 9929.255264][ T10] ip6_dst_alloc+0x23/0x90 [ 9929.255264][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9929.255264][ T10] ip6_pol_route+0x56f/0x840 [ 9929.255264][ T10] fib6_rule_lookup+0x334/0x630 [ 9929.255264][ T10] ip6_route_output_flags+0x259/0x480 [ 9929.255264][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9929.255264][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9929.255264][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9929.255264][ T10] ____sys_sendmsg+0x772/0xa10 [ 9929.255264][ T10] ___sys_sendmsg+0xee/0x170 [ 9929.255264][ T10] __sys_sendmsg+0xcd/0x170 [ 9929.255264][ T10] do_syscall_64+0xc6/0x1e0 [ 9929.255264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9929.255264][ T10] [ 9929.257163][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9929.257163][ T10] dst_init+0x84/0x4a0 [ 9929.257163][ T10] dst_alloc+0x97/0x150 [ 9929.257163][ T10] ip6_dst_alloc+0x23/0x90 [ 9929.257163][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9929.257163][ T10] ip6_pol_route+0x56f/0x840 [ 9929.257163][ T10] fib6_rule_lookup+0x334/0x630 [ 9929.257163][ T10] ip6_route_output_flags+0x259/0x480 [ 9929.257163][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9929.257163][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9929.257163][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9929.257163][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9929.257163][ T10] ____sys_sendmsg+0x772/0xa10 [ 9929.257163][ T10] ___sys_sendmsg+0xee/0x170 [ 9929.257163][ T10] __sys_sendmsg+0xcd/0x170 [ 9929.257163][ T10] do_syscall_64+0xc6/0x1e0 [ 9929.257163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9929.257163][ T10] [ 9929.259172][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9929.259172][ T10] dst_init+0x84/0x4a0 [ 9929.259172][ T10] dst_alloc+0x97/0x150 [ 9929.259172][ T10] ip6_dst_alloc+0x23/0x90 [ 9929.259172][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9929.259172][ T10] ip6_pol_route+0x56f/0x840 [ 9929.259172][ T10] fib6_rule_lookup+0x334/0x630 [ 9929.259172][ T10] ip6_route_output_flags+0x259/0x480 [ 9929.259172][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9929.259172][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9929.259172][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9929.259172][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9929.259172][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9929.259172][ T10] ___sys_sendmsg+0xee/0x170 [ 9929.259172][ T10] __sys_sendmsg+0xcd/0x170 [ 9929.259172][ T10] do_syscall_64+0xc6/0x1e0 [ 9929.259172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9929.259172][ T10] [ 9929.261170][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9929.261170][ T10] netdev_get_by_index+0x5e/0x80 [ 9929.261170][ T10] fib6_nh_init+0x3d8/0x1580 [ 9929.261170][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9929.261170][ T10] ip6_route_add+0x1c/0x140 [ 9929.261170][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9929.261170][ T10] inet6_addr_add+0x4f8/0xa40 [ 9929.261170][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9929.261170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9929.261170][ T10] netlink_rcv_skb+0x130/0x360 [ 9929.261170][ T10] netlink_unicast+0x449/0x710 [ 9929.261170][ T10] netlink_sendmsg+0x723/0xbe0 [ 9929.261170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9929.261170][ T10] ___sys_sendmsg+0xee/0x170 [ 9929.261170][ T10] __sys_sendmsg+0xcd/0x170 [ 9929.261170][ T10] do_syscall_64+0xc6/0x1e0 [ 9929.261170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9929.261170][ T10] [ 9929.263165][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9929.263165][ T10] netdev_get_by_index+0x5e/0x80 [ 9929.263165][ T10] fib6_nh_init+0x3d8/0x1580 [ 9929.263165][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9929.263165][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9929.263165][ T10] ipv6_add_addr+0x411/0x2000 [ 9929.263165][ T10] inet6_addr_add+0x30e/0xa40 [ 9929.263165][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9929.263165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9929.263165][ T10] netlink_rcv_skb+0x130/0x360 [ 9929.263165][ T10] netlink_unicast+0x449/0x710 [ 9929.263165][ T10] netlink_sendmsg+0x723/0xbe0 [ 9929.263165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9929.263165][ T10] ___sys_sendmsg+0xee/0x170 [ 9929.263165][ T10] __sys_sendmsg+0xcd/0x170 [ 9929.263165][ T10] do_syscall_64+0xc6/0x1e0 [ 9929.263165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9929.263165][ T10] [ 9929.265160][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9929.265160][ T10] netdev_get_by_index+0x5e/0x80 [ 9929.265160][ T10] fib6_nh_init+0x3d8/0x1580 [ 9929.265160][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9929.265160][ T10] ip6_route_add+0x1c/0x140 [ 9929.265160][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9929.265160][ T10] addrconf_add_dev+0xe2/0x170 [ 9929.265160][ T10] inet6_addr_add+0x12f/0xa40 [ 9929.265160][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9929.265160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9929.265160][ T10] netlink_rcv_skb+0x130/0x360 [ 9929.265160][ T10] netlink_unicast+0x449/0x710 [ 9929.265160][ T10] netlink_sendmsg+0x723/0xbe0 [ 9929.265160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9929.265160][ T10] ___sys_sendmsg+0xee/0x170 [ 9929.265160][ T10] __sys_sendmsg+0xcd/0x170 [ 9929.265160][ T10] do_syscall_64+0xc6/0x1e0 [ 9929.265160][ T10] [ 9929.267113][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9929.267113][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9929.267113][ T10] ipv6_find_idev+0x102/0x170 [ 9929.267113][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9929.267113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9929.267113][ T10] netlink_rcv_skb+0x130/0x360 [ 9929.267113][ T10] netlink_unicast+0x449/0x710 [ 9929.267113][ T10] netlink_sendmsg+0x723/0xbe0 [ 9929.267113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9929.267113][ T10] ___sys_sendmsg+0xee/0x170 [ 9929.267113][ T10] __sys_sendmsg+0xcd/0x170 [ 9929.267113][ T10] do_syscall_64+0xc6/0x1e0 [ 9929.267113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9929.267113][ T10] [ 9929.268643][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9929.268643][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9929.268643][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9929.268643][ T10] ipv6_find_idev+0x102/0x170 [ 9929.268643][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9929.268643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9929.268643][ T10] netlink_rcv_skb+0x130/0x360 [ 9929.268643][ T10] netlink_unicast+0x449/0x710 [ 9929.268643][ T10] netlink_sendmsg+0x723/0xbe0 [ 9929.268643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9929.268643][ T10] ___sys_sendmsg+0xee/0x170 [ 9929.268643][ T10] __sys_sendmsg+0xcd/0x170 [ 9929.268643][ T10] do_syscall_64+0xc6/0x1e0 [ 9929.268643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9929.268643][ T10] [ 9938.958816][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9938.959334][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9938.959334][T12167] netdev_get_by_index+0x5e/0x80 [ 9938.959334][T12167] fib6_nh_init+0x3d8/0x1580 [ 9938.959334][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9938.959334][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9938.959334][T12167] ipv6_add_addr+0x411/0x2000 [ 9938.959334][T12167] inet6_addr_add+0x30e/0xa40 [ 9938.959334][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9938.959334][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9938.959334][T12167] netlink_rcv_skb+0x130/0x360 [ 9938.959334][T12167] netlink_unicast+0x449/0x710 [ 9938.959334][T12167] netlink_sendmsg+0x723/0xbe0 [ 9938.959334][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9938.959334][T12167] ___sys_sendmsg+0xee/0x170 [ 9938.959334][T12167] __sys_sendmsg+0xcd/0x170 [ 9938.959334][T12167] do_syscall_64+0xc6/0x1e0 [ 9938.959334][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9938.959334][T12167] [ 9938.961605][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9938.961605][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9938.961605][T12167] ipv6_find_idev+0x102/0x170 [ 9938.961605][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9938.961605][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9938.961605][T12167] netlink_rcv_skb+0x130/0x360 [ 9938.961605][T12167] netlink_unicast+0x449/0x710 [ 9938.961605][T12167] netlink_sendmsg+0x723/0xbe0 [ 9938.961605][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9938.961605][T12167] ___sys_sendmsg+0xee/0x170 [ 9938.961605][T12167] __sys_sendmsg+0xcd/0x170 [ 9938.961605][T12167] do_syscall_64+0xc6/0x1e0 [ 9938.961605][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9938.961605][T12167] [ 9938.963336][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9938.963336][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9938.963336][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9938.963336][T12167] ipv6_find_idev+0x102/0x170 [ 9938.963336][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9938.963336][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9938.963336][T12167] netlink_rcv_skb+0x130/0x360 [ 9938.963336][T12167] netlink_unicast+0x449/0x710 [ 9938.963336][T12167] netlink_sendmsg+0x723/0xbe0 [ 9938.963336][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9938.963336][T12167] ___sys_sendmsg+0xee/0x170 [ 9938.963336][T12167] __sys_sendmsg+0xcd/0x170 [ 9938.963336][T12167] do_syscall_64+0xc6/0x1e0 [ 9938.963336][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9938.963336][T12167] [ 9939.510805][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9939.511269][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9939.511269][ T10] dst_init+0x84/0x4a0 [ 9939.511269][ T10] dst_alloc+0x97/0x150 [ 9939.511269][ T10] ip6_dst_alloc+0x23/0x90 [ 9939.511269][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9939.511269][ T10] ip6_pol_route+0x56f/0x840 [ 9939.511269][ T10] fib6_rule_lookup+0x334/0x630 [ 9939.511269][ T10] ip6_route_output_flags+0x259/0x480 [ 9939.511269][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9939.511269][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9939.511269][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9939.511269][ T10] ____sys_sendmsg+0x772/0xa10 [ 9939.511269][ T10] ___sys_sendmsg+0xee/0x170 [ 9939.511269][ T10] __sys_sendmsg+0xcd/0x170 [ 9939.511269][ T10] do_syscall_64+0xc6/0x1e0 [ 9939.511269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9939.511269][ T10] [ 9939.513182][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9939.513182][ T10] dst_init+0x84/0x4a0 [ 9939.513182][ T10] dst_alloc+0x97/0x150 [ 9939.513182][ T10] ip6_dst_alloc+0x23/0x90 [ 9939.513182][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9939.513182][ T10] ip6_pol_route+0x56f/0x840 [ 9939.513182][ T10] fib6_rule_lookup+0x334/0x630 [ 9939.513182][ T10] ip6_route_output_flags+0x259/0x480 [ 9939.513182][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9939.513182][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9939.513182][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9939.513182][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9939.513182][ T10] ____sys_sendmsg+0x772/0xa10 [ 9939.513182][ T10] ___sys_sendmsg+0xee/0x170 [ 9939.513182][ T10] __sys_sendmsg+0xcd/0x170 [ 9939.513182][ T10] do_syscall_64+0xc6/0x1e0 [ 9939.513182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9939.513182][ T10] [ 9939.515198][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9939.515198][ T10] dst_init+0x84/0x4a0 [ 9939.515198][ T10] dst_alloc+0x97/0x150 [ 9939.515198][ T10] ip6_dst_alloc+0x23/0x90 [ 9939.515198][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9939.515198][ T10] ip6_pol_route+0x56f/0x840 [ 9939.515198][ T10] fib6_rule_lookup+0x334/0x630 [ 9939.515198][ T10] ip6_route_output_flags+0x259/0x480 [ 9939.515198][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9939.515198][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9939.515198][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9939.515198][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9939.515198][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9939.515198][ T10] ___sys_sendmsg+0xee/0x170 [ 9939.515198][ T10] __sys_sendmsg+0xcd/0x170 [ 9939.515198][ T10] do_syscall_64+0xc6/0x1e0 [ 9939.515198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9939.515198][ T10] [ 9939.517211][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9939.517211][ T10] netdev_get_by_index+0x5e/0x80 [ 9939.517211][ T10] fib6_nh_init+0x3d8/0x1580 [ 9939.517211][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9939.517211][ T10] ip6_route_add+0x1c/0x140 [ 9939.517211][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9939.517211][ T10] inet6_addr_add+0x4f8/0xa40 [ 9939.517211][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9939.517211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9939.517211][ T10] netlink_rcv_skb+0x130/0x360 [ 9939.517211][ T10] netlink_unicast+0x449/0x710 [ 9939.517211][ T10] netlink_sendmsg+0x723/0xbe0 [ 9939.517211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9939.517211][ T10] ___sys_sendmsg+0xee/0x170 [ 9939.517211][ T10] __sys_sendmsg+0xcd/0x170 [ 9939.517211][ T10] do_syscall_64+0xc6/0x1e0 [ 9939.517211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9939.517211][ T10] [ 9939.519218][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9939.519218][ T10] netdev_get_by_index+0x5e/0x80 [ 9939.519218][ T10] fib6_nh_init+0x3d8/0x1580 [ 9939.519218][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9939.519218][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9939.519218][ T10] ipv6_add_addr+0x411/0x2000 [ 9939.519218][ T10] inet6_addr_add+0x30e/0xa40 [ 9939.519218][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9939.519218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9939.519218][ T10] netlink_rcv_skb+0x130/0x360 [ 9939.519218][ T10] netlink_unicast+0x449/0x710 [ 9939.519218][ T10] netlink_sendmsg+0x723/0xbe0 [ 9939.519218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9939.519218][ T10] ___sys_sendmsg+0xee/0x170 [ 9939.519218][ T10] __sys_sendmsg+0xcd/0x170 [ 9939.519218][ T10] do_syscall_64+0xc6/0x1e0 [ 9939.519218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9939.519218][ T10] [ 9939.521213][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9939.521213][ T10] netdev_get_by_index+0x5e/0x80 [ 9939.521213][ T10] fib6_nh_init+0x3d8/0x1580 [ 9939.521213][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9939.521213][ T10] ip6_route_add+0x1c/0x140 [ 9939.521213][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9939.521213][ T10] addrconf_add_dev+0xe2/0x170 [ 9939.521213][ T10] inet6_addr_add+0x12f/0xa40 [ 9939.521213][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9939.521213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9939.521213][ T10] netlink_rcv_skb+0x130/0x360 [ 9939.521213][ T10] netlink_unicast+0x449/0x710 [ 9939.521213][ T10] netlink_sendmsg+0x723/0xbe0 [ 9939.521213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9939.521213][ T10] ___sys_sendmsg+0xee/0x170 [ 9939.521213][ T10] __sys_sendmsg+0xcd/0x170 [ 9939.521213][ T10] do_syscall_64+0xc6/0x1e0 [ 9939.521213][ T10] [ 9939.523173][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9939.523173][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9939.523173][ T10] ipv6_find_idev+0x102/0x170 [ 9939.523173][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9939.523173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9939.523173][ T10] netlink_rcv_skb+0x130/0x360 [ 9939.523173][ T10] netlink_unicast+0x449/0x710 [ 9939.523173][ T10] netlink_sendmsg+0x723/0xbe0 [ 9939.523173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9939.523173][ T10] ___sys_sendmsg+0xee/0x170 [ 9939.523173][ T10] __sys_sendmsg+0xcd/0x170 [ 9939.523173][ T10] do_syscall_64+0xc6/0x1e0 [ 9939.523173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9939.523173][ T10] [ 9939.524708][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9939.524708][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9939.524708][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9939.524708][ T10] ipv6_find_idev+0x102/0x170 [ 9939.524708][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9939.524708][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9939.524708][ T10] netlink_rcv_skb+0x130/0x360 [ 9939.524708][ T10] netlink_unicast+0x449/0x710 [ 9939.524708][ T10] netlink_sendmsg+0x723/0xbe0 [ 9939.524708][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9939.524708][ T10] ___sys_sendmsg+0xee/0x170 [ 9939.524708][ T10] __sys_sendmsg+0xcd/0x170 [ 9939.524708][ T10] do_syscall_64+0xc6/0x1e0 [ 9939.524708][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9939.524708][ T10] [ 9949.030833][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9949.031327][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9949.031327][T12167] netdev_get_by_index+0x5e/0x80 [ 9949.031327][T12167] fib6_nh_init+0x3d8/0x1580 [ 9949.031327][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9949.031327][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9949.031327][T12167] ipv6_add_addr+0x411/0x2000 [ 9949.031327][T12167] inet6_addr_add+0x30e/0xa40 [ 9949.031327][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9949.031327][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9949.031327][T12167] netlink_rcv_skb+0x130/0x360 [ 9949.031327][T12167] netlink_unicast+0x449/0x710 [ 9949.031327][T12167] netlink_sendmsg+0x723/0xbe0 [ 9949.031327][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9949.031327][T12167] ___sys_sendmsg+0xee/0x170 [ 9949.031327][T12167] __sys_sendmsg+0xcd/0x170 [ 9949.031327][T12167] do_syscall_64+0xc6/0x1e0 [ 9949.031327][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9949.031327][T12167] [ 9949.033603][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9949.033603][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9949.033603][T12167] ipv6_find_idev+0x102/0x170 [ 9949.033603][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9949.033603][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9949.033603][T12167] netlink_rcv_skb+0x130/0x360 [ 9949.033603][T12167] netlink_unicast+0x449/0x710 [ 9949.033603][T12167] netlink_sendmsg+0x723/0xbe0 [ 9949.033603][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9949.033603][T12167] ___sys_sendmsg+0xee/0x170 [ 9949.033603][T12167] __sys_sendmsg+0xcd/0x170 [ 9949.033603][T12167] do_syscall_64+0xc6/0x1e0 [ 9949.033603][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9949.033603][T12167] [ 9949.035341][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9949.035341][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9949.035341][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9949.035341][T12167] ipv6_find_idev+0x102/0x170 [ 9949.035341][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9949.035341][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9949.035341][T12167] netlink_rcv_skb+0x130/0x360 [ 9949.035341][T12167] netlink_unicast+0x449/0x710 [ 9949.035341][T12167] netlink_sendmsg+0x723/0xbe0 [ 9949.035341][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9949.035341][T12167] ___sys_sendmsg+0xee/0x170 [ 9949.035341][T12167] __sys_sendmsg+0xcd/0x170 [ 9949.035341][T12167] do_syscall_64+0xc6/0x1e0 [ 9949.035341][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9949.035341][T12167] [ 9949.542796][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9949.543268][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9949.543268][ T10] dst_init+0x84/0x4a0 [ 9949.543268][ T10] dst_alloc+0x97/0x150 [ 9949.543268][ T10] ip6_dst_alloc+0x23/0x90 [ 9949.543268][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9949.543268][ T10] ip6_pol_route+0x56f/0x840 [ 9949.543268][ T10] fib6_rule_lookup+0x334/0x630 [ 9949.543268][ T10] ip6_route_output_flags+0x259/0x480 [ 9949.543268][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9949.543268][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9949.543268][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9949.543268][ T10] ____sys_sendmsg+0x772/0xa10 [ 9949.543268][ T10] ___sys_sendmsg+0xee/0x170 [ 9949.543268][ T10] __sys_sendmsg+0xcd/0x170 [ 9949.543268][ T10] do_syscall_64+0xc6/0x1e0 [ 9949.543268][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9949.543268][ T10] [ 9949.545173][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9949.545173][ T10] dst_init+0x84/0x4a0 [ 9949.545173][ T10] dst_alloc+0x97/0x150 [ 9949.545173][ T10] ip6_dst_alloc+0x23/0x90 [ 9949.545173][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9949.545173][ T10] ip6_pol_route+0x56f/0x840 [ 9949.545173][ T10] fib6_rule_lookup+0x334/0x630 [ 9949.545173][ T10] ip6_route_output_flags+0x259/0x480 [ 9949.545173][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9949.545173][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9949.545173][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9949.545173][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9949.545173][ T10] ____sys_sendmsg+0x772/0xa10 [ 9949.545173][ T10] ___sys_sendmsg+0xee/0x170 [ 9949.545173][ T10] __sys_sendmsg+0xcd/0x170 [ 9949.545173][ T10] do_syscall_64+0xc6/0x1e0 [ 9949.545173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9949.545173][ T10] [ 9949.547177][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9949.547177][ T10] dst_init+0x84/0x4a0 [ 9949.547177][ T10] dst_alloc+0x97/0x150 [ 9949.547177][ T10] ip6_dst_alloc+0x23/0x90 [ 9949.547177][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9949.547177][ T10] ip6_pol_route+0x56f/0x840 [ 9949.547177][ T10] fib6_rule_lookup+0x334/0x630 [ 9949.547177][ T10] ip6_route_output_flags+0x259/0x480 [ 9949.547177][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9949.547177][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9949.547177][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9949.547177][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9949.547177][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9949.547177][ T10] ___sys_sendmsg+0xee/0x170 [ 9949.547177][ T10] __sys_sendmsg+0xcd/0x170 [ 9949.547177][ T10] do_syscall_64+0xc6/0x1e0 [ 9949.547177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9949.547177][ T10] [ 9949.549210][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9949.549210][ T10] netdev_get_by_index+0x5e/0x80 [ 9949.549210][ T10] fib6_nh_init+0x3d8/0x1580 [ 9949.549210][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9949.549210][ T10] ip6_route_add+0x1c/0x140 [ 9949.549210][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9949.549210][ T10] inet6_addr_add+0x4f8/0xa40 [ 9949.549210][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9949.549210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9949.549210][ T10] netlink_rcv_skb+0x130/0x360 [ 9949.549210][ T10] netlink_unicast+0x449/0x710 [ 9949.549210][ T10] netlink_sendmsg+0x723/0xbe0 [ 9949.549210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9949.549210][ T10] ___sys_sendmsg+0xee/0x170 [ 9949.549210][ T10] __sys_sendmsg+0xcd/0x170 [ 9949.549210][ T10] do_syscall_64+0xc6/0x1e0 [ 9949.549210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9949.549210][ T10] [ 9949.551219][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9949.551219][ T10] netdev_get_by_index+0x5e/0x80 [ 9949.551219][ T10] fib6_nh_init+0x3d8/0x1580 [ 9949.551219][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9949.551219][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9949.551219][ T10] ipv6_add_addr+0x411/0x2000 [ 9949.551219][ T10] inet6_addr_add+0x30e/0xa40 [ 9949.551219][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9949.551219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9949.551219][ T10] netlink_rcv_skb+0x130/0x360 [ 9949.551219][ T10] netlink_unicast+0x449/0x710 [ 9949.551219][ T10] netlink_sendmsg+0x723/0xbe0 [ 9949.551219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9949.551219][ T10] ___sys_sendmsg+0xee/0x170 [ 9949.551219][ T10] __sys_sendmsg+0xcd/0x170 [ 9949.551219][ T10] do_syscall_64+0xc6/0x1e0 [ 9949.551219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9949.551219][ T10] [ 9949.553213][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9949.553213][ T10] netdev_get_by_index+0x5e/0x80 [ 9949.553213][ T10] fib6_nh_init+0x3d8/0x1580 [ 9949.553213][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9949.553213][ T10] ip6_route_add+0x1c/0x140 [ 9949.553213][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9949.553213][ T10] addrconf_add_dev+0xe2/0x170 [ 9949.553213][ T10] inet6_addr_add+0x12f/0xa40 [ 9949.553213][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9949.553213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9949.553213][ T10] netlink_rcv_skb+0x130/0x360 [ 9949.553213][ T10] netlink_unicast+0x449/0x710 [ 9949.553213][ T10] netlink_sendmsg+0x723/0xbe0 [ 9949.553213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9949.553213][ T10] ___sys_sendmsg+0xee/0x170 [ 9949.553213][ T10] __sys_sendmsg+0xcd/0x170 [ 9949.553213][ T10] do_syscall_64+0xc6/0x1e0 [ 9949.553213][ T10] [ 9949.555174][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9949.555174][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9949.555174][ T10] ipv6_find_idev+0x102/0x170 [ 9949.555174][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9949.555174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9949.555174][ T10] netlink_rcv_skb+0x130/0x360 [ 9949.555174][ T10] netlink_unicast+0x449/0x710 [ 9949.555174][ T10] netlink_sendmsg+0x723/0xbe0 [ 9949.555174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9949.555174][ T10] ___sys_sendmsg+0xee/0x170 [ 9949.555174][ T10] __sys_sendmsg+0xcd/0x170 [ 9949.555174][ T10] do_syscall_64+0xc6/0x1e0 [ 9949.555174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9949.555174][ T10] [ 9949.556713][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9949.556713][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9949.556713][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9949.556713][ T10] ipv6_find_idev+0x102/0x170 [ 9949.556713][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9949.556713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9949.556713][ T10] netlink_rcv_skb+0x130/0x360 [ 9949.556713][ T10] netlink_unicast+0x449/0x710 [ 9949.556713][ T10] netlink_sendmsg+0x723/0xbe0 [ 9949.556713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9949.556713][ T10] ___sys_sendmsg+0xee/0x170 [ 9949.556713][ T10] __sys_sendmsg+0xcd/0x170 [ 9949.556713][ T10] do_syscall_64+0xc6/0x1e0 [ 9949.556713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9949.556713][ T10] [ 9954.598838][ T42] INFO: task modprobe:12646 blocked for more than 1228 seconds. [ 9954.599186][ T42] Not tainted 6.8.0-virtme #1 [ 9954.599306][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 9954.599505][ T42] task:modprobe state:D stack:25856 pid:12646 tgid:12646 ppid:44 flags:0x00004002 [ 9954.599786][ T42] Call Trace: [ 9954.599892][ T42] [ 9954.599963][ T42] __schedule+0x705/0x1ac0 [ 9954.600106][ T42] ? __pfx___schedule+0x10/0x10 [ 9954.600232][ T42] ? schedule+0x1a5/0x210 [ 9954.600329][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 9954.600461][ T42] ? mark_lock+0x38/0x3e0 [ 9954.600554][ T42] ? do_raw_spin_lock+0x131/0x270 [ 9954.600690][ T42] ? schedule+0x1a5/0x210 [ 9954.600804][ T42] schedule+0xdf/0x210 [ 9954.600899][ T42] schedule_preempt_disabled+0x15/0x30 [ 9954.601021][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 9954.601156][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 9954.601312][ T42] ? __pfx_console_unlock+0x10/0x10 [ 9954.601437][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 9954.601570][ T42] ? lock_acquire+0x1c1/0x220 [ 9954.601702][ T42] ? register_pernet_subsys+0x1a/0x50 [ 9954.601837][ T42] down_write+0x1c9/0x200 [ 9954.601934][ T42] ? __pfx_down_write+0x10/0x10 [ 9954.602056][ T42] ? __pfx__printk+0x10/0x10 [ 9954.602189][ T42] ? __pfx___lock_release+0x10/0x10 [ 9954.602321][ T42] register_pernet_subsys+0x1a/0x50 [ 9954.602445][ T42] tcf_register_action+0xa3/0x600 [ 9954.602571][ T42] ? __pfx_gact_init_module+0x10/0x10 [act_gact] [ 9954.602739][ T42] do_one_initcall+0xc8/0x3f0 [ 9954.602870][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 9954.602995][ T42] ? __create_object+0x5e/0xb0 [ 9954.603129][ T42] ? kasan_unpoison+0x27/0x60 [ 9954.603261][ T42] do_init_module+0x233/0x740 [ 9954.603396][ T42] load_module+0x16b5/0x2350 [ 9954.603534][ T42] ? __pfx_load_module+0x10/0x10 [ 9954.603656][ T42] ? kernel_read_file+0x3d2/0x520 [ 9954.603805][ T42] ? kernel_read_file+0x300/0x520 [ 9954.603936][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 9954.604070][ T42] ? init_module_from_file+0xd2/0x130 [ 9954.604191][ T42] init_module_from_file+0xd2/0x130 [ 9954.604319][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 9954.604472][ T42] ? __lock_release+0x103/0x460 [ 9954.604602][ T42] ? idempotent_init_module+0x32a/0x620 [ 9954.604749][ T42] ? idempotent_init_module+0x32a/0x620 [ 9954.604873][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 9954.604998][ T42] idempotent_init_module+0x342/0x620 [ 9954.605127][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 9954.605302][ T42] __x64_sys_finit_module+0xbe/0x130 [ 9954.605427][ T42] do_syscall_64+0xc6/0x1e0 [ 9954.605559][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9954.605725][ T42] RIP: 0033:0x7fac120f1e5d [ 9954.605853][ T42] RSP: 002b:00007ffc57d8a578 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 9954.606038][ T42] RAX: ffffffffffffffda RBX: 0000557fdddd7c80 RCX: 00007fac120f1e5d [ 9954.606222][ T42] RDX: 0000000000000000 RSI: 0000557fb6aeba2a RDI: 0000000000000000 [ 9954.606411][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007ffc57d8a6b0 [ 9954.606592][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557fb6aeba2a [ 9954.606784][ T42] R13: 0000557fdddd7ac0 R14: 0000557fdddd80b0 R15: 0000557fdddd7cf1 [ 9954.606979][ T42] [ 9954.607072][ T42] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 9954.607285][ T42] [ 9954.607285][ T42] Showing all locks held in the system: [ 9954.607458][ T42] 3 locks held by kworker/u16:0/10: [ 9954.607577][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 9954.607850][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 9954.608074][ T42] #2: ffffffff91f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 9954.608299][ T42] 1 lock held by khungtaskd/42: [ 9954.608418][ T42] #0: ffffffff917591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 9954.608636][ T42] 2 locks held by kworker/u17:1/44: [ 9954.608764][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 9954.609017][ T42] #1: ffffc90000317da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 9954.609298][ T42] 1 lock held by modprobe/12646: [ 9954.609418][ T42] #0: ffffffff91f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 9954.609665][ T42] [ 9954.609735][ T42] ============================================= [ 9954.609735][ T42] [ 9959.286731][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9959.287249][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9959.287249][T12167] netdev_get_by_index+0x5e/0x80 [ 9959.287249][T12167] fib6_nh_init+0x3d8/0x1580 [ 9959.287249][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9959.287249][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9959.287249][T12167] ipv6_add_addr+0x411/0x2000 [ 9959.287249][T12167] inet6_addr_add+0x30e/0xa40 [ 9959.287249][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9959.287249][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9959.287249][T12167] netlink_rcv_skb+0x130/0x360 [ 9959.287249][T12167] netlink_unicast+0x449/0x710 [ 9959.287249][T12167] netlink_sendmsg+0x723/0xbe0 [ 9959.287249][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9959.287249][T12167] ___sys_sendmsg+0xee/0x170 [ 9959.287249][T12167] __sys_sendmsg+0xcd/0x170 [ 9959.287249][T12167] do_syscall_64+0xc6/0x1e0 [ 9959.287249][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9959.287249][T12167] [ 9959.289561][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9959.289561][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9959.289561][T12167] ipv6_find_idev+0x102/0x170 [ 9959.289561][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9959.289561][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9959.289561][T12167] netlink_rcv_skb+0x130/0x360 [ 9959.289561][T12167] netlink_unicast+0x449/0x710 [ 9959.289561][T12167] netlink_sendmsg+0x723/0xbe0 [ 9959.289561][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9959.289561][T12167] ___sys_sendmsg+0xee/0x170 [ 9959.289561][T12167] __sys_sendmsg+0xcd/0x170 [ 9959.289561][T12167] do_syscall_64+0xc6/0x1e0 [ 9959.289561][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9959.289561][T12167] [ 9959.291321][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9959.291321][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9959.291321][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9959.291321][T12167] ipv6_find_idev+0x102/0x170 [ 9959.291321][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9959.291321][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9959.291321][T12167] netlink_rcv_skb+0x130/0x360 [ 9959.291321][T12167] netlink_unicast+0x449/0x710 [ 9959.291321][T12167] netlink_sendmsg+0x723/0xbe0 [ 9959.291321][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9959.291321][T12167] ___sys_sendmsg+0xee/0x170 [ 9959.291321][T12167] __sys_sendmsg+0xcd/0x170 [ 9959.291321][T12167] do_syscall_64+0xc6/0x1e0 [ 9959.291321][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9959.291321][T12167] [ 9959.806805][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9959.807300][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9959.807300][ T10] dst_init+0x84/0x4a0 [ 9959.807300][ T10] dst_alloc+0x97/0x150 [ 9959.807300][ T10] ip6_dst_alloc+0x23/0x90 [ 9959.807300][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9959.807300][ T10] ip6_pol_route+0x56f/0x840 [ 9959.807300][ T10] fib6_rule_lookup+0x334/0x630 [ 9959.807300][ T10] ip6_route_output_flags+0x259/0x480 [ 9959.807300][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9959.807300][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9959.807300][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9959.807300][ T10] ____sys_sendmsg+0x772/0xa10 [ 9959.807300][ T10] ___sys_sendmsg+0xee/0x170 [ 9959.807300][ T10] __sys_sendmsg+0xcd/0x170 [ 9959.807300][ T10] do_syscall_64+0xc6/0x1e0 [ 9959.807300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9959.807300][ T10] [ 9959.809212][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9959.809212][ T10] dst_init+0x84/0x4a0 [ 9959.809212][ T10] dst_alloc+0x97/0x150 [ 9959.809212][ T10] ip6_dst_alloc+0x23/0x90 [ 9959.809212][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9959.809212][ T10] ip6_pol_route+0x56f/0x840 [ 9959.809212][ T10] fib6_rule_lookup+0x334/0x630 [ 9959.809212][ T10] ip6_route_output_flags+0x259/0x480 [ 9959.809212][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9959.809212][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9959.809212][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9959.809212][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9959.809212][ T10] ____sys_sendmsg+0x772/0xa10 [ 9959.809212][ T10] ___sys_sendmsg+0xee/0x170 [ 9959.809212][ T10] __sys_sendmsg+0xcd/0x170 [ 9959.809212][ T10] do_syscall_64+0xc6/0x1e0 [ 9959.809212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9959.809212][ T10] [ 9959.811321][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9959.811321][ T10] dst_init+0x84/0x4a0 [ 9959.811321][ T10] dst_alloc+0x97/0x150 [ 9959.811321][ T10] ip6_dst_alloc+0x23/0x90 [ 9959.811321][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9959.811321][ T10] ip6_pol_route+0x56f/0x840 [ 9959.811321][ T10] fib6_rule_lookup+0x334/0x630 [ 9959.811321][ T10] ip6_route_output_flags+0x259/0x480 [ 9959.811321][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9959.811321][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9959.811321][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9959.811321][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9959.811321][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9959.811321][ T10] ___sys_sendmsg+0xee/0x170 [ 9959.811321][ T10] __sys_sendmsg+0xcd/0x170 [ 9959.811321][ T10] do_syscall_64+0xc6/0x1e0 [ 9959.811321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9959.811321][ T10] [ 9959.813314][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9959.813314][ T10] netdev_get_by_index+0x5e/0x80 [ 9959.813314][ T10] fib6_nh_init+0x3d8/0x1580 [ 9959.813314][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9959.813314][ T10] ip6_route_add+0x1c/0x140 [ 9959.813314][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9959.813314][ T10] inet6_addr_add+0x4f8/0xa40 [ 9959.813314][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9959.813314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9959.813314][ T10] netlink_rcv_skb+0x130/0x360 [ 9959.813314][ T10] netlink_unicast+0x449/0x710 [ 9959.813314][ T10] netlink_sendmsg+0x723/0xbe0 [ 9959.813314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9959.813314][ T10] ___sys_sendmsg+0xee/0x170 [ 9959.813314][ T10] __sys_sendmsg+0xcd/0x170 [ 9959.813314][ T10] do_syscall_64+0xc6/0x1e0 [ 9959.813314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9959.813314][ T10] [ 9959.815311][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9959.815311][ T10] netdev_get_by_index+0x5e/0x80 [ 9959.815311][ T10] fib6_nh_init+0x3d8/0x1580 [ 9959.815311][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9959.815311][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9959.815311][ T10] ipv6_add_addr+0x411/0x2000 [ 9959.815311][ T10] inet6_addr_add+0x30e/0xa40 [ 9959.815311][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9959.815311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9959.815311][ T10] netlink_rcv_skb+0x130/0x360 [ 9959.815311][ T10] netlink_unicast+0x449/0x710 [ 9959.815311][ T10] netlink_sendmsg+0x723/0xbe0 [ 9959.815311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9959.815311][ T10] ___sys_sendmsg+0xee/0x170 [ 9959.815311][ T10] __sys_sendmsg+0xcd/0x170 [ 9959.815311][ T10] do_syscall_64+0xc6/0x1e0 [ 9959.815311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9959.815311][ T10] [ 9959.817295][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9959.817295][ T10] netdev_get_by_index+0x5e/0x80 [ 9959.817295][ T10] fib6_nh_init+0x3d8/0x1580 [ 9959.817295][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9959.817295][ T10] ip6_route_add+0x1c/0x140 [ 9959.817295][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9959.817295][ T10] addrconf_add_dev+0xe2/0x170 [ 9959.817295][ T10] inet6_addr_add+0x12f/0xa40 [ 9959.817295][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9959.817295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9959.817295][ T10] netlink_rcv_skb+0x130/0x360 [ 9959.817295][ T10] netlink_unicast+0x449/0x710 [ 9959.817295][ T10] netlink_sendmsg+0x723/0xbe0 [ 9959.817295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9959.817295][ T10] ___sys_sendmsg+0xee/0x170 [ 9959.817295][ T10] __sys_sendmsg+0xcd/0x170 [ 9959.817295][ T10] do_syscall_64+0xc6/0x1e0 [ 9959.817295][ T10] [ 9959.819272][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9959.819272][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9959.819272][ T10] ipv6_find_idev+0x102/0x170 [ 9959.819272][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9959.819272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9959.819272][ T10] netlink_rcv_skb+0x130/0x360 [ 9959.819272][ T10] netlink_unicast+0x449/0x710 [ 9959.819272][ T10] netlink_sendmsg+0x723/0xbe0 [ 9959.819272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9959.819272][ T10] ___sys_sendmsg+0xee/0x170 [ 9959.819272][ T10] __sys_sendmsg+0xcd/0x170 [ 9959.819272][ T10] do_syscall_64+0xc6/0x1e0 [ 9959.819272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9959.819272][ T10] [ 9959.820803][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9959.820803][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9959.820803][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9959.820803][ T10] ipv6_find_idev+0x102/0x170 [ 9959.820803][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9959.820803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9959.820803][ T10] netlink_rcv_skb+0x130/0x360 [ 9959.820803][ T10] netlink_unicast+0x449/0x710 [ 9959.820803][ T10] netlink_sendmsg+0x723/0xbe0 [ 9959.820803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9959.820803][ T10] ___sys_sendmsg+0xee/0x170 [ 9959.820803][ T10] __sys_sendmsg+0xcd/0x170 [ 9959.820803][ T10] do_syscall_64+0xc6/0x1e0 [ 9959.820803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9959.820803][ T10] [ 9969.542816][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9969.543322][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9969.543322][T12167] netdev_get_by_index+0x5e/0x80 [ 9969.543322][T12167] fib6_nh_init+0x3d8/0x1580 [ 9969.543322][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9969.543322][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9969.543322][T12167] ipv6_add_addr+0x411/0x2000 [ 9969.543322][T12167] inet6_addr_add+0x30e/0xa40 [ 9969.543322][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9969.543322][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9969.543322][T12167] netlink_rcv_skb+0x130/0x360 [ 9969.543322][T12167] netlink_unicast+0x449/0x710 [ 9969.543322][T12167] netlink_sendmsg+0x723/0xbe0 [ 9969.543322][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9969.543322][T12167] ___sys_sendmsg+0xee/0x170 [ 9969.543322][T12167] __sys_sendmsg+0xcd/0x170 [ 9969.543322][T12167] do_syscall_64+0xc6/0x1e0 [ 9969.543322][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9969.543322][T12167] [ 9969.545610][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9969.545610][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9969.545610][T12167] ipv6_find_idev+0x102/0x170 [ 9969.545610][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9969.545610][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9969.545610][T12167] netlink_rcv_skb+0x130/0x360 [ 9969.545610][T12167] netlink_unicast+0x449/0x710 [ 9969.545610][T12167] netlink_sendmsg+0x723/0xbe0 [ 9969.545610][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9969.545610][T12167] ___sys_sendmsg+0xee/0x170 [ 9969.545610][T12167] __sys_sendmsg+0xcd/0x170 [ 9969.545610][T12167] do_syscall_64+0xc6/0x1e0 [ 9969.545610][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9969.545610][T12167] [ 9969.547355][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9969.547355][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9969.547355][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9969.547355][T12167] ipv6_find_idev+0x102/0x170 [ 9969.547355][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9969.547355][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9969.547355][T12167] netlink_rcv_skb+0x130/0x360 [ 9969.547355][T12167] netlink_unicast+0x449/0x710 [ 9969.547355][T12167] netlink_sendmsg+0x723/0xbe0 [ 9969.547355][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9969.547355][T12167] ___sys_sendmsg+0xee/0x170 [ 9969.547355][T12167] __sys_sendmsg+0xcd/0x170 [ 9969.547355][T12167] do_syscall_64+0xc6/0x1e0 [ 9969.547355][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9969.547355][T12167] [ 9969.870815][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9969.871219][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9969.871219][ T10] dst_init+0x84/0x4a0 [ 9969.871219][ T10] dst_alloc+0x97/0x150 [ 9969.871219][ T10] ip6_dst_alloc+0x23/0x90 [ 9969.871219][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9969.871219][ T10] ip6_pol_route+0x56f/0x840 [ 9969.871219][ T10] fib6_rule_lookup+0x334/0x630 [ 9969.871219][ T10] ip6_route_output_flags+0x259/0x480 [ 9969.871219][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9969.871219][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9969.871219][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9969.871219][ T10] ____sys_sendmsg+0x772/0xa10 [ 9969.871219][ T10] ___sys_sendmsg+0xee/0x170 [ 9969.871219][ T10] __sys_sendmsg+0xcd/0x170 [ 9969.871219][ T10] do_syscall_64+0xc6/0x1e0 [ 9969.871219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9969.871219][ T10] [ 9969.873117][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9969.873117][ T10] dst_init+0x84/0x4a0 [ 9969.873117][ T10] dst_alloc+0x97/0x150 [ 9969.873117][ T10] ip6_dst_alloc+0x23/0x90 [ 9969.873117][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9969.873117][ T10] ip6_pol_route+0x56f/0x840 [ 9969.873117][ T10] fib6_rule_lookup+0x334/0x630 [ 9969.873117][ T10] ip6_route_output_flags+0x259/0x480 [ 9969.873117][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9969.873117][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9969.873117][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9969.873117][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9969.873117][ T10] ____sys_sendmsg+0x772/0xa10 [ 9969.873117][ T10] ___sys_sendmsg+0xee/0x170 [ 9969.873117][ T10] __sys_sendmsg+0xcd/0x170 [ 9969.873117][ T10] do_syscall_64+0xc6/0x1e0 [ 9969.873117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9969.873117][ T10] [ 9969.875113][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9969.875113][ T10] dst_init+0x84/0x4a0 [ 9969.875113][ T10] dst_alloc+0x97/0x150 [ 9969.875113][ T10] ip6_dst_alloc+0x23/0x90 [ 9969.875113][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9969.875113][ T10] ip6_pol_route+0x56f/0x840 [ 9969.875113][ T10] fib6_rule_lookup+0x334/0x630 [ 9969.875113][ T10] ip6_route_output_flags+0x259/0x480 [ 9969.875113][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9969.875113][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9969.875113][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9969.875113][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9969.875113][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9969.875113][ T10] ___sys_sendmsg+0xee/0x170 [ 9969.875113][ T10] __sys_sendmsg+0xcd/0x170 [ 9969.875113][ T10] do_syscall_64+0xc6/0x1e0 [ 9969.875113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9969.875113][ T10] [ 9969.877119][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9969.877119][ T10] netdev_get_by_index+0x5e/0x80 [ 9969.877119][ T10] fib6_nh_init+0x3d8/0x1580 [ 9969.877119][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9969.877119][ T10] ip6_route_add+0x1c/0x140 [ 9969.877119][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9969.877119][ T10] inet6_addr_add+0x4f8/0xa40 [ 9969.877119][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9969.877119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9969.877119][ T10] netlink_rcv_skb+0x130/0x360 [ 9969.877119][ T10] netlink_unicast+0x449/0x710 [ 9969.877119][ T10] netlink_sendmsg+0x723/0xbe0 [ 9969.877119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9969.877119][ T10] ___sys_sendmsg+0xee/0x170 [ 9969.877119][ T10] __sys_sendmsg+0xcd/0x170 [ 9969.877119][ T10] do_syscall_64+0xc6/0x1e0 [ 9969.877119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9969.877119][ T10] [ 9969.879132][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9969.879132][ T10] netdev_get_by_index+0x5e/0x80 [ 9969.879132][ T10] fib6_nh_init+0x3d8/0x1580 [ 9969.879132][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9969.879132][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9969.879132][ T10] ipv6_add_addr+0x411/0x2000 [ 9969.879132][ T10] inet6_addr_add+0x30e/0xa40 [ 9969.879132][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9969.879132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9969.879132][ T10] netlink_rcv_skb+0x130/0x360 [ 9969.879132][ T10] netlink_unicast+0x449/0x710 [ 9969.879132][ T10] netlink_sendmsg+0x723/0xbe0 [ 9969.879132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9969.879132][ T10] ___sys_sendmsg+0xee/0x170 [ 9969.879132][ T10] __sys_sendmsg+0xcd/0x170 [ 9969.879132][ T10] do_syscall_64+0xc6/0x1e0 [ 9969.879132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9969.879132][ T10] [ 9969.881125][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9969.881125][ T10] netdev_get_by_index+0x5e/0x80 [ 9969.881125][ T10] fib6_nh_init+0x3d8/0x1580 [ 9969.881125][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9969.881125][ T10] ip6_route_add+0x1c/0x140 [ 9969.881125][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9969.881125][ T10] addrconf_add_dev+0xe2/0x170 [ 9969.881125][ T10] inet6_addr_add+0x12f/0xa40 [ 9969.881125][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9969.881125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9969.881125][ T10] netlink_rcv_skb+0x130/0x360 [ 9969.881125][ T10] netlink_unicast+0x449/0x710 [ 9969.881125][ T10] netlink_sendmsg+0x723/0xbe0 [ 9969.881125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9969.881125][ T10] ___sys_sendmsg+0xee/0x170 [ 9969.881125][ T10] __sys_sendmsg+0xcd/0x170 [ 9969.881125][ T10] do_syscall_64+0xc6/0x1e0 [ 9969.881125][ T10] [ 9969.883088][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9969.883088][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9969.883088][ T10] ipv6_find_idev+0x102/0x170 [ 9969.883088][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9969.883088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9969.883088][ T10] netlink_rcv_skb+0x130/0x360 [ 9969.883088][ T10] netlink_unicast+0x449/0x710 [ 9969.883088][ T10] netlink_sendmsg+0x723/0xbe0 [ 9969.883088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9969.883088][ T10] ___sys_sendmsg+0xee/0x170 [ 9969.883088][ T10] __sys_sendmsg+0xcd/0x170 [ 9969.883088][ T10] do_syscall_64+0xc6/0x1e0 [ 9969.883088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9969.883088][ T10] [ 9969.884635][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9969.884635][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9969.884635][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9969.884635][ T10] ipv6_find_idev+0x102/0x170 [ 9969.884635][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9969.884635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9969.884635][ T10] netlink_rcv_skb+0x130/0x360 [ 9969.884635][ T10] netlink_unicast+0x449/0x710 [ 9969.884635][ T10] netlink_sendmsg+0x723/0xbe0 [ 9969.884635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9969.884635][ T10] ___sys_sendmsg+0xee/0x170 [ 9969.884635][ T10] __sys_sendmsg+0xcd/0x170 [ 9969.884635][ T10] do_syscall_64+0xc6/0x1e0 [ 9969.884635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9969.884635][ T10] [ 9979.798804][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9979.799269][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9979.799269][T12167] netdev_get_by_index+0x5e/0x80 [ 9979.799269][T12167] fib6_nh_init+0x3d8/0x1580 [ 9979.799269][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9979.799269][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9979.799269][T12167] ipv6_add_addr+0x411/0x2000 [ 9979.799269][T12167] inet6_addr_add+0x30e/0xa40 [ 9979.799269][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9979.799269][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9979.799269][T12167] netlink_rcv_skb+0x130/0x360 [ 9979.799269][T12167] netlink_unicast+0x449/0x710 [ 9979.799269][T12167] netlink_sendmsg+0x723/0xbe0 [ 9979.799269][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9979.799269][T12167] ___sys_sendmsg+0xee/0x170 [ 9979.799269][T12167] __sys_sendmsg+0xcd/0x170 [ 9979.799269][T12167] do_syscall_64+0xc6/0x1e0 [ 9979.799269][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9979.799269][T12167] [ 9979.801599][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9979.801599][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9979.801599][T12167] ipv6_find_idev+0x102/0x170 [ 9979.801599][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9979.801599][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9979.801599][T12167] netlink_rcv_skb+0x130/0x360 [ 9979.801599][T12167] netlink_unicast+0x449/0x710 [ 9979.801599][T12167] netlink_sendmsg+0x723/0xbe0 [ 9979.801599][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9979.801599][T12167] ___sys_sendmsg+0xee/0x170 [ 9979.801599][T12167] __sys_sendmsg+0xcd/0x170 [ 9979.801599][T12167] do_syscall_64+0xc6/0x1e0 [ 9979.801599][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9979.801599][T12167] [ 9979.803346][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9979.803346][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9979.803346][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9979.803346][T12167] ipv6_find_idev+0x102/0x170 [ 9979.803346][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9979.803346][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9979.803346][T12167] netlink_rcv_skb+0x130/0x360 [ 9979.803346][T12167] netlink_unicast+0x449/0x710 [ 9979.803346][T12167] netlink_sendmsg+0x723/0xbe0 [ 9979.803346][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9979.803346][T12167] ___sys_sendmsg+0xee/0x170 [ 9979.803346][T12167] __sys_sendmsg+0xcd/0x170 [ 9979.803346][T12167] do_syscall_64+0xc6/0x1e0 [ 9979.803346][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9979.803346][T12167] [ 9980.134800][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9980.135143][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9980.135143][ T10] dst_init+0x84/0x4a0 [ 9980.135143][ T10] dst_alloc+0x97/0x150 [ 9980.135143][ T10] ip6_dst_alloc+0x23/0x90 [ 9980.135143][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9980.135143][ T10] ip6_pol_route+0x56f/0x840 [ 9980.135143][ T10] fib6_rule_lookup+0x334/0x630 [ 9980.135143][ T10] ip6_route_output_flags+0x259/0x480 [ 9980.135143][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9980.135143][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9980.135143][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9980.135143][ T10] ____sys_sendmsg+0x772/0xa10 [ 9980.135143][ T10] ___sys_sendmsg+0xee/0x170 [ 9980.135143][ T10] __sys_sendmsg+0xcd/0x170 [ 9980.135143][ T10] do_syscall_64+0xc6/0x1e0 [ 9980.135143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9980.135143][ T10] [ 9980.137052][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9980.137052][ T10] dst_init+0x84/0x4a0 [ 9980.137052][ T10] dst_alloc+0x97/0x150 [ 9980.137052][ T10] ip6_dst_alloc+0x23/0x90 [ 9980.137052][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9980.137052][ T10] ip6_pol_route+0x56f/0x840 [ 9980.137052][ T10] fib6_rule_lookup+0x334/0x630 [ 9980.137052][ T10] ip6_route_output_flags+0x259/0x480 [ 9980.137052][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9980.137052][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9980.137052][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9980.137052][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9980.137052][ T10] ____sys_sendmsg+0x772/0xa10 [ 9980.137052][ T10] ___sys_sendmsg+0xee/0x170 [ 9980.137052][ T10] __sys_sendmsg+0xcd/0x170 [ 9980.137052][ T10] do_syscall_64+0xc6/0x1e0 [ 9980.137052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9980.137052][ T10] [ 9980.139074][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9980.139074][ T10] dst_init+0x84/0x4a0 [ 9980.139074][ T10] dst_alloc+0x97/0x150 [ 9980.139074][ T10] ip6_dst_alloc+0x23/0x90 [ 9980.139074][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9980.139074][ T10] ip6_pol_route+0x56f/0x840 [ 9980.139074][ T10] fib6_rule_lookup+0x334/0x630 [ 9980.139074][ T10] ip6_route_output_flags+0x259/0x480 [ 9980.139074][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9980.139074][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9980.139074][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9980.139074][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9980.139074][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9980.139074][ T10] ___sys_sendmsg+0xee/0x170 [ 9980.139074][ T10] __sys_sendmsg+0xcd/0x170 [ 9980.139074][ T10] do_syscall_64+0xc6/0x1e0 [ 9980.139074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9980.139074][ T10] [ 9980.141071][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9980.141071][ T10] netdev_get_by_index+0x5e/0x80 [ 9980.141071][ T10] fib6_nh_init+0x3d8/0x1580 [ 9980.141071][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9980.141071][ T10] ip6_route_add+0x1c/0x140 [ 9980.141071][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9980.141071][ T10] inet6_addr_add+0x4f8/0xa40 [ 9980.141071][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9980.141071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9980.141071][ T10] netlink_rcv_skb+0x130/0x360 [ 9980.141071][ T10] netlink_unicast+0x449/0x710 [ 9980.141071][ T10] netlink_sendmsg+0x723/0xbe0 [ 9980.141071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9980.141071][ T10] ___sys_sendmsg+0xee/0x170 [ 9980.141071][ T10] __sys_sendmsg+0xcd/0x170 [ 9980.141071][ T10] do_syscall_64+0xc6/0x1e0 [ 9980.141071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9980.141071][ T10] [ 9980.143081][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9980.143081][ T10] netdev_get_by_index+0x5e/0x80 [ 9980.143081][ T10] fib6_nh_init+0x3d8/0x1580 [ 9980.143081][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9980.143081][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9980.143081][ T10] ipv6_add_addr+0x411/0x2000 [ 9980.143081][ T10] inet6_addr_add+0x30e/0xa40 [ 9980.143081][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9980.143081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9980.143081][ T10] netlink_rcv_skb+0x130/0x360 [ 9980.143081][ T10] netlink_unicast+0x449/0x710 [ 9980.143081][ T10] netlink_sendmsg+0x723/0xbe0 [ 9980.143081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9980.143081][ T10] ___sys_sendmsg+0xee/0x170 [ 9980.143081][ T10] __sys_sendmsg+0xcd/0x170 [ 9980.143081][ T10] do_syscall_64+0xc6/0x1e0 [ 9980.143081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9980.143081][ T10] [ 9980.145082][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9980.145082][ T10] netdev_get_by_index+0x5e/0x80 [ 9980.145082][ T10] fib6_nh_init+0x3d8/0x1580 [ 9980.145082][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9980.145082][ T10] ip6_route_add+0x1c/0x140 [ 9980.145082][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9980.145082][ T10] addrconf_add_dev+0xe2/0x170 [ 9980.145082][ T10] inet6_addr_add+0x12f/0xa40 [ 9980.145082][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9980.145082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9980.145082][ T10] netlink_rcv_skb+0x130/0x360 [ 9980.145082][ T10] netlink_unicast+0x449/0x710 [ 9980.145082][ T10] netlink_sendmsg+0x723/0xbe0 [ 9980.145082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9980.145082][ T10] ___sys_sendmsg+0xee/0x170 [ 9980.145082][ T10] __sys_sendmsg+0xcd/0x170 [ 9980.145082][ T10] do_syscall_64+0xc6/0x1e0 [ 9980.145082][ T10] [ 9980.147057][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9980.147057][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9980.147057][ T10] ipv6_find_idev+0x102/0x170 [ 9980.147057][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9980.147057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9980.147057][ T10] netlink_rcv_skb+0x130/0x360 [ 9980.147057][ T10] netlink_unicast+0x449/0x710 [ 9980.147057][ T10] netlink_sendmsg+0x723/0xbe0 [ 9980.147057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9980.147057][ T10] ___sys_sendmsg+0xee/0x170 [ 9980.147057][ T10] __sys_sendmsg+0xcd/0x170 [ 9980.147057][ T10] do_syscall_64+0xc6/0x1e0 [ 9980.147057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9980.147057][ T10] [ 9980.148678][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9980.148678][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9980.148678][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9980.148678][ T10] ipv6_find_idev+0x102/0x170 [ 9980.148678][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9980.148678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9980.148678][ T10] netlink_rcv_skb+0x130/0x360 [ 9980.148678][ T10] netlink_unicast+0x449/0x710 [ 9980.148678][ T10] netlink_sendmsg+0x723/0xbe0 [ 9980.148678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9980.148678][ T10] ___sys_sendmsg+0xee/0x170 [ 9980.148678][ T10] __sys_sendmsg+0xcd/0x170 [ 9980.148678][ T10] do_syscall_64+0xc6/0x1e0 [ 9980.148678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9980.148678][ T10] [ 9990.054817][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9990.055261][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9990.055261][T12167] netdev_get_by_index+0x5e/0x80 [ 9990.055261][T12167] fib6_nh_init+0x3d8/0x1580 [ 9990.055261][T12167] ip6_route_info_create+0xf18/0x17d0 [ 9990.055261][T12167] addrconf_f6i_alloc+0x315/0x560 [ 9990.055261][T12167] ipv6_add_addr+0x411/0x2000 [ 9990.055261][T12167] inet6_addr_add+0x30e/0xa40 [ 9990.055261][T12167] inet6_rtm_newaddr+0x560/0x6b0 [ 9990.055261][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9990.055261][T12167] netlink_rcv_skb+0x130/0x360 [ 9990.055261][T12167] netlink_unicast+0x449/0x710 [ 9990.055261][T12167] netlink_sendmsg+0x723/0xbe0 [ 9990.055261][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9990.055261][T12167] ___sys_sendmsg+0xee/0x170 [ 9990.055261][T12167] __sys_sendmsg+0xcd/0x170 [ 9990.055261][T12167] do_syscall_64+0xc6/0x1e0 [ 9990.055261][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9990.055261][T12167] [ 9990.057520][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9990.057520][T12167] ipv6_add_dev+0x3ba/0x11c0 [ 9990.057520][T12167] ipv6_find_idev+0x102/0x170 [ 9990.057520][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9990.057520][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9990.057520][T12167] netlink_rcv_skb+0x130/0x360 [ 9990.057520][T12167] netlink_unicast+0x449/0x710 [ 9990.057520][T12167] netlink_sendmsg+0x723/0xbe0 [ 9990.057520][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9990.057520][T12167] ___sys_sendmsg+0xee/0x170 [ 9990.057520][T12167] __sys_sendmsg+0xcd/0x170 [ 9990.057520][T12167] do_syscall_64+0xc6/0x1e0 [ 9990.057520][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9990.057520][T12167] [ 9990.059251][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [ 9990.059251][T12167] neigh_parms_alloc+0x1e5/0x510 [ 9990.059251][T12167] ipv6_add_dev+0x2fe/0x11c0 [ 9990.059251][T12167] ipv6_find_idev+0x102/0x170 [ 9990.059251][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [ 9990.059251][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9990.059251][T12167] netlink_rcv_skb+0x130/0x360 [ 9990.059251][T12167] netlink_unicast+0x449/0x710 [ 9990.059251][T12167] netlink_sendmsg+0x723/0xbe0 [ 9990.059251][T12167] ____sys_sendmsg+0x7b2/0xa10 [ 9990.059251][T12167] ___sys_sendmsg+0xee/0x170 [ 9990.059251][T12167] __sys_sendmsg+0xcd/0x170 [ 9990.059251][T12167] do_syscall_64+0xc6/0x1e0 [ 9990.059251][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9990.059251][T12167] [ 9990.150822][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [ 9990.151212][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [ 9990.151212][ T10] dst_init+0x84/0x4a0 [ 9990.151212][ T10] dst_alloc+0x97/0x150 [ 9990.151212][ T10] ip6_dst_alloc+0x23/0x90 [ 9990.151212][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9990.151212][ T10] ip6_pol_route+0x56f/0x840 [ 9990.151212][ T10] fib6_rule_lookup+0x334/0x630 [ 9990.151212][ T10] ip6_route_output_flags+0x259/0x480 [ 9990.151212][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9990.151212][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9990.151212][ T10] rawv6_sendmsg+0x7c6/0x17d0 [ 9990.151212][ T10] ____sys_sendmsg+0x772/0xa10 [ 9990.151212][ T10] ___sys_sendmsg+0xee/0x170 [ 9990.151212][ T10] __sys_sendmsg+0xcd/0x170 [ 9990.151212][ T10] do_syscall_64+0xc6/0x1e0 [ 9990.151212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9990.151212][ T10] [ 9990.153102][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9990.153102][ T10] dst_init+0x84/0x4a0 [ 9990.153102][ T10] dst_alloc+0x97/0x150 [ 9990.153102][ T10] ip6_dst_alloc+0x23/0x90 [ 9990.153102][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9990.153102][ T10] ip6_pol_route+0x56f/0x840 [ 9990.153102][ T10] fib6_rule_lookup+0x334/0x630 [ 9990.153102][ T10] ip6_route_output_flags+0x259/0x480 [ 9990.153102][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9990.153102][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9990.153102][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9990.153102][ T10] ping_v6_sendmsg+0x763/0x1150 [ 9990.153102][ T10] ____sys_sendmsg+0x772/0xa10 [ 9990.153102][ T10] ___sys_sendmsg+0xee/0x170 [ 9990.153102][ T10] __sys_sendmsg+0xcd/0x170 [ 9990.153102][ T10] do_syscall_64+0xc6/0x1e0 [ 9990.153102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9990.153102][ T10] [ 9990.155082][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9990.155082][ T10] dst_init+0x84/0x4a0 [ 9990.155082][ T10] dst_alloc+0x97/0x150 [ 9990.155082][ T10] ip6_dst_alloc+0x23/0x90 [ 9990.155082][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9990.155082][ T10] ip6_pol_route+0x56f/0x840 [ 9990.155082][ T10] fib6_rule_lookup+0x334/0x630 [ 9990.155082][ T10] ip6_route_output_flags+0x259/0x480 [ 9990.155082][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 9990.155082][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 9990.155082][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 9990.155082][ T10] udpv6_sendmsg+0xfdc/0x2830 [ 9990.155082][ T10] ____sys_sendmsg+0x3f9/0xa10 [ 9990.155082][ T10] ___sys_sendmsg+0xee/0x170 [ 9990.155082][ T10] __sys_sendmsg+0xcd/0x170 [ 9990.155082][ T10] do_syscall_64+0xc6/0x1e0 [ 9990.155082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9990.155082][ T10] [ 9990.157082][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9990.157082][ T10] netdev_get_by_index+0x5e/0x80 [ 9990.157082][ T10] fib6_nh_init+0x3d8/0x1580 [ 9990.157082][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9990.157082][ T10] ip6_route_add+0x1c/0x140 [ 9990.157082][ T10] addrconf_prefix_route+0x2a6/0x430 [ 9990.157082][ T10] inet6_addr_add+0x4f8/0xa40 [ 9990.157082][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9990.157082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9990.157082][ T10] netlink_rcv_skb+0x130/0x360 [ 9990.157082][ T10] netlink_unicast+0x449/0x710 [ 9990.157082][ T10] netlink_sendmsg+0x723/0xbe0 [ 9990.157082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9990.157082][ T10] ___sys_sendmsg+0xee/0x170 [ 9990.157082][ T10] __sys_sendmsg+0xcd/0x170 [ 9990.157082][ T10] do_syscall_64+0xc6/0x1e0 [ 9990.157082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9990.157082][ T10] [ 9990.159082][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9990.159082][ T10] netdev_get_by_index+0x5e/0x80 [ 9990.159082][ T10] fib6_nh_init+0x3d8/0x1580 [ 9990.159082][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9990.159082][ T10] addrconf_f6i_alloc+0x315/0x560 [ 9990.159082][ T10] ipv6_add_addr+0x411/0x2000 [ 9990.159082][ T10] inet6_addr_add+0x30e/0xa40 [ 9990.159082][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9990.159082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9990.159082][ T10] netlink_rcv_skb+0x130/0x360 [ 9990.159082][ T10] netlink_unicast+0x449/0x710 [ 9990.159082][ T10] netlink_sendmsg+0x723/0xbe0 [ 9990.159082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9990.159082][ T10] ___sys_sendmsg+0xee/0x170 [ 9990.159082][ T10] __sys_sendmsg+0xcd/0x170 [ 9990.159082][ T10] do_syscall_64+0xc6/0x1e0 [ 9990.159082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9990.159082][ T10] [ 9990.161076][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9990.161076][ T10] netdev_get_by_index+0x5e/0x80 [ 9990.161076][ T10] fib6_nh_init+0x3d8/0x1580 [ 9990.161076][ T10] ip6_route_info_create+0xf18/0x17d0 [ 9990.161076][ T10] ip6_route_add+0x1c/0x140 [ 9990.161076][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 9990.161076][ T10] addrconf_add_dev+0xe2/0x170 [ 9990.161076][ T10] inet6_addr_add+0x12f/0xa40 [ 9990.161076][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 9990.161076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9990.161076][ T10] netlink_rcv_skb+0x130/0x360 [ 9990.161076][ T10] netlink_unicast+0x449/0x710 [ 9990.161076][ T10] netlink_sendmsg+0x723/0xbe0 [ 9990.161076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9990.161076][ T10] ___sys_sendmsg+0xee/0x170 [ 9990.161076][ T10] __sys_sendmsg+0xcd/0x170 [ 9990.161076][ T10] do_syscall_64+0xc6/0x1e0 [ 9990.161076][ T10] [ 9990.163034][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9990.163034][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 9990.163034][ T10] ipv6_find_idev+0x102/0x170 [ 9990.163034][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9990.163034][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9990.163034][ T10] netlink_rcv_skb+0x130/0x360 [ 9990.163034][ T10] netlink_unicast+0x449/0x710 [ 9990.163034][ T10] netlink_sendmsg+0x723/0xbe0 [ 9990.163034][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9990.163034][ T10] ___sys_sendmsg+0xee/0x170 [ 9990.163034][ T10] __sys_sendmsg+0xcd/0x170 [ 9990.163034][ T10] do_syscall_64+0xc6/0x1e0 [ 9990.163034][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9990.163034][ T10] [ 9990.164575][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [ 9990.164575][ T10] neigh_parms_alloc+0x1e5/0x510 [ 9990.164575][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 9990.164575][ T10] ipv6_find_idev+0x102/0x170 [ 9990.164575][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 9990.164575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9990.164575][ T10] netlink_rcv_skb+0x130/0x360 [ 9990.164575][ T10] netlink_unicast+0x449/0x710 [ 9990.164575][ T10] netlink_sendmsg+0x723/0xbe0 [ 9990.164575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 9990.164575][ T10] ___sys_sendmsg+0xee/0x170 [ 9990.164575][ T10] __sys_sendmsg+0xcd/0x170 [ 9990.164575][ T10] do_syscall_64+0xc6/0x1e0 [ 9990.164575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9990.164575][ T10] [10000.174820][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [10000.175301][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [10000.175301][ T10] dst_init+0x84/0x4a0 [10000.175301][ T10] dst_alloc+0x97/0x150 [10000.175301][ T10] ip6_dst_alloc+0x23/0x90 [10000.175301][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [10000.175301][ T10] ip6_pol_route+0x56f/0x840 [10000.175301][ T10] fib6_rule_lookup+0x334/0x630 [10000.175301][ T10] ip6_route_output_flags+0x259/0x480 [10000.175301][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [10000.175301][ T10] ip6_dst_lookup_flow+0x88/0x190 [10000.175301][ T10] rawv6_sendmsg+0x7c6/0x17d0 [10000.175301][ T10] ____sys_sendmsg+0x772/0xa10 [10000.175301][ T10] ___sys_sendmsg+0xee/0x170 [10000.175301][ T10] __sys_sendmsg+0xcd/0x170 [10000.175301][ T10] do_syscall_64+0xc6/0x1e0 [10000.175301][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10000.175301][ T10] [10000.177226][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10000.177226][ T10] dst_init+0x84/0x4a0 [10000.177226][ T10] dst_alloc+0x97/0x150 [10000.177226][ T10] ip6_dst_alloc+0x23/0x90 [10000.177226][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [10000.177226][ T10] ip6_pol_route+0x56f/0x840 [10000.177226][ T10] fib6_rule_lookup+0x334/0x630 [10000.177226][ T10] ip6_route_output_flags+0x259/0x480 [10000.177226][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [10000.177226][ T10] ip6_dst_lookup_flow+0x88/0x190 [10000.177226][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [10000.177226][ T10] ping_v6_sendmsg+0x763/0x1150 [10000.177226][ T10] ____sys_sendmsg+0x772/0xa10 [10000.177226][ T10] ___sys_sendmsg+0xee/0x170 [10000.177226][ T10] __sys_sendmsg+0xcd/0x170 [10000.177226][ T10] do_syscall_64+0xc6/0x1e0 [10000.177226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10000.177226][ T10] [10000.179236][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10000.179236][ T10] dst_init+0x84/0x4a0 [10000.179236][ T10] dst_alloc+0x97/0x150 [10000.179236][ T10] ip6_dst_alloc+0x23/0x90 [10000.179236][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [10000.179236][ T10] ip6_pol_route+0x56f/0x840 [10000.179236][ T10] fib6_rule_lookup+0x334/0x630 [10000.179236][ T10] ip6_route_output_flags+0x259/0x480 [10000.179236][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [10000.179236][ T10] ip6_dst_lookup_flow+0x88/0x190 [10000.179236][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [10000.179236][ T10] udpv6_sendmsg+0xfdc/0x2830 [10000.179236][ T10] ____sys_sendmsg+0x3f9/0xa10 [10000.179236][ T10] ___sys_sendmsg+0xee/0x170 [10000.179236][ T10] __sys_sendmsg+0xcd/0x170 [10000.179236][ T10] do_syscall_64+0xc6/0x1e0 [10000.179236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10000.179236][ T10] [10000.181242][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10000.181242][ T10] netdev_get_by_index+0x5e/0x80 [10000.181242][ T10] fib6_nh_init+0x3d8/0x1580 [10000.181242][ T10] ip6_route_info_create+0xf18/0x17d0 [10000.181242][ T10] ip6_route_add+0x1c/0x140 [10000.181242][ T10] addrconf_prefix_route+0x2a6/0x430 [10000.181242][ T10] inet6_addr_add+0x4f8/0xa40 [10000.181242][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10000.181242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10000.181242][ T10] netlink_rcv_skb+0x130/0x360 [10000.181242][ T10] netlink_unicast+0x449/0x710 [10000.181242][ T10] netlink_sendmsg+0x723/0xbe0 [10000.181242][ T10] ____sys_sendmsg+0x7b2/0xa10 [10000.181242][ T10] ___sys_sendmsg+0xee/0x170 [10000.181242][ T10] __sys_sendmsg+0xcd/0x170 [10000.181242][ T10] do_syscall_64+0xc6/0x1e0 [10000.181242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10000.181242][ T10] [10000.183247][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10000.183247][ T10] netdev_get_by_index+0x5e/0x80 [10000.183247][ T10] fib6_nh_init+0x3d8/0x1580 [10000.183247][ T10] ip6_route_info_create+0xf18/0x17d0 [10000.183247][ T10] addrconf_f6i_alloc+0x315/0x560 [10000.183247][ T10] ipv6_add_addr+0x411/0x2000 [10000.183247][ T10] inet6_addr_add+0x30e/0xa40 [10000.183247][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10000.183247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10000.183247][ T10] netlink_rcv_skb+0x130/0x360 [10000.183247][ T10] netlink_unicast+0x449/0x710 [10000.183247][ T10] netlink_sendmsg+0x723/0xbe0 [10000.183247][ T10] ____sys_sendmsg+0x7b2/0xa10 [10000.183247][ T10] ___sys_sendmsg+0xee/0x170 [10000.183247][ T10] __sys_sendmsg+0xcd/0x170 [10000.183247][ T10] do_syscall_64+0xc6/0x1e0 [10000.183247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10000.183247][ T10] [10000.185246][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10000.185246][ T10] netdev_get_by_index+0x5e/0x80 [10000.185246][ T10] fib6_nh_init+0x3d8/0x1580 [10000.185246][ T10] ip6_route_info_create+0xf18/0x17d0 [10000.185246][ T10] ip6_route_add+0x1c/0x140 [10000.185246][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10000.185246][ T10] addrconf_add_dev+0xe2/0x170 [10000.185246][ T10] inet6_addr_add+0x12f/0xa40 [10000.185246][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10000.185246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10000.185246][ T10] netlink_rcv_skb+0x130/0x360 [10000.185246][ T10] netlink_unicast+0x449/0x710 [10000.185246][ T10] netlink_sendmsg+0x723/0xbe0 [10000.185246][ T10] ____sys_sendmsg+0x7b2/0xa10 [10000.185246][ T10] ___sys_sendmsg+0xee/0x170 [10000.185246][ T10] __sys_sendmsg+0xcd/0x170 [10000.185246][ T10] do_syscall_64+0xc6/0x1e0 [10000.185246][ T10] [10000.187207][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10000.187207][ T10] ipv6_add_dev+0x3ba/0x11c0 [10000.187207][ T10] ipv6_find_idev+0x102/0x170 [10000.187207][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10000.187207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10000.187207][ T10] netlink_rcv_skb+0x130/0x360 [10000.187207][ T10] netlink_unicast+0x449/0x710 [10000.187207][ T10] netlink_sendmsg+0x723/0xbe0 [10000.187207][ T10] ____sys_sendmsg+0x7b2/0xa10 [10000.187207][ T10] ___sys_sendmsg+0xee/0x170 [10000.187207][ T10] __sys_sendmsg+0xcd/0x170 [10000.187207][ T10] do_syscall_64+0xc6/0x1e0 [10000.187207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10000.187207][ T10] [10000.188742][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10000.188742][ T10] neigh_parms_alloc+0x1e5/0x510 [10000.188742][ T10] ipv6_add_dev+0x2fe/0x11c0 [10000.188742][ T10] ipv6_find_idev+0x102/0x170 [10000.188742][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10000.188742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10000.188742][ T10] netlink_rcv_skb+0x130/0x360 [10000.188742][ T10] netlink_unicast+0x449/0x710 [10000.188742][ T10] netlink_sendmsg+0x723/0xbe0 [10000.188742][ T10] ____sys_sendmsg+0x7b2/0xa10 [10000.188742][ T10] ___sys_sendmsg+0xee/0x170 [10000.188742][ T10] __sys_sendmsg+0xcd/0x170 [10000.188742][ T10] do_syscall_64+0xc6/0x1e0 [10000.188742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10000.188742][ T10] [10000.310875][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [10000.311306][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [10000.311306][T12167] netdev_get_by_index+0x5e/0x80 [10000.311306][T12167] fib6_nh_init+0x3d8/0x1580 [10000.311306][T12167] ip6_route_info_create+0xf18/0x17d0 [10000.311306][T12167] addrconf_f6i_alloc+0x315/0x560 [10000.311306][T12167] ipv6_add_addr+0x411/0x2000 [10000.311306][T12167] inet6_addr_add+0x30e/0xa40 [10000.311306][T12167] inet6_rtm_newaddr+0x560/0x6b0 [10000.311306][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10000.311306][T12167] netlink_rcv_skb+0x130/0x360 [10000.311306][T12167] netlink_unicast+0x449/0x710 [10000.311306][T12167] netlink_sendmsg+0x723/0xbe0 [10000.311306][T12167] ____sys_sendmsg+0x7b2/0xa10 [10000.311306][T12167] ___sys_sendmsg+0xee/0x170 [10000.311306][T12167] __sys_sendmsg+0xcd/0x170 [10000.311306][T12167] do_syscall_64+0xc6/0x1e0 [10000.311306][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10000.311306][T12167] [10000.313584][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [10000.313584][T12167] ipv6_add_dev+0x3ba/0x11c0 [10000.313584][T12167] ipv6_find_idev+0x102/0x170 [10000.313584][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [10000.313584][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10000.313584][T12167] netlink_rcv_skb+0x130/0x360 [10000.313584][T12167] netlink_unicast+0x449/0x710 [10000.313584][T12167] netlink_sendmsg+0x723/0xbe0 [10000.313584][T12167] ____sys_sendmsg+0x7b2/0xa10 [10000.313584][T12167] ___sys_sendmsg+0xee/0x170 [10000.313584][T12167] __sys_sendmsg+0xcd/0x170 [10000.313584][T12167] do_syscall_64+0xc6/0x1e0 [10000.313584][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10000.313584][T12167] [10000.315321][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [10000.315321][T12167] neigh_parms_alloc+0x1e5/0x510 [10000.315321][T12167] ipv6_add_dev+0x2fe/0x11c0 [10000.315321][T12167] ipv6_find_idev+0x102/0x170 [10000.315321][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [10000.315321][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10000.315321][T12167] netlink_rcv_skb+0x130/0x360 [10000.315321][T12167] netlink_unicast+0x449/0x710 [10000.315321][T12167] netlink_sendmsg+0x723/0xbe0 [10000.315321][T12167] ____sys_sendmsg+0x7b2/0xa10 [10000.315321][T12167] ___sys_sendmsg+0xee/0x170 [10000.315321][T12167] __sys_sendmsg+0xcd/0x170 [10000.315321][T12167] do_syscall_64+0xc6/0x1e0 [10000.315321][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10000.315321][T12167] [10010.430816][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [10010.431283][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [10010.431283][ T10] dst_init+0x84/0x4a0 [10010.431283][ T10] dst_alloc+0x97/0x150 [10010.431283][ T10] ip6_dst_alloc+0x23/0x90 [10010.431283][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [10010.431283][ T10] ip6_pol_route+0x56f/0x840 [10010.431283][ T10] fib6_rule_lookup+0x334/0x630 [10010.431283][ T10] ip6_route_output_flags+0x259/0x480 [10010.431283][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [10010.431283][ T10] ip6_dst_lookup_flow+0x88/0x190 [10010.431283][ T10] rawv6_sendmsg+0x7c6/0x17d0 [10010.431283][ T10] ____sys_sendmsg+0x772/0xa10 [10010.431283][ T10] ___sys_sendmsg+0xee/0x170 [10010.431283][ T10] __sys_sendmsg+0xcd/0x170 [10010.431283][ T10] do_syscall_64+0xc6/0x1e0 [10010.431283][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10010.431283][ T10] [10010.433203][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10010.433203][ T10] dst_init+0x84/0x4a0 [10010.433203][ T10] dst_alloc+0x97/0x150 [10010.433203][ T10] ip6_dst_alloc+0x23/0x90 [10010.433203][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [10010.433203][ T10] ip6_pol_route+0x56f/0x840 [10010.433203][ T10] fib6_rule_lookup+0x334/0x630 [10010.433203][ T10] ip6_route_output_flags+0x259/0x480 [10010.433203][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [10010.433203][ T10] ip6_dst_lookup_flow+0x88/0x190 [10010.433203][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [10010.433203][ T10] ping_v6_sendmsg+0x763/0x1150 [10010.433203][ T10] ____sys_sendmsg+0x772/0xa10 [10010.433203][ T10] ___sys_sendmsg+0xee/0x170 [10010.433203][ T10] __sys_sendmsg+0xcd/0x170 [10010.433203][ T10] do_syscall_64+0xc6/0x1e0 [10010.433203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10010.433203][ T10] [10010.435210][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10010.435210][ T10] dst_init+0x84/0x4a0 [10010.435210][ T10] dst_alloc+0x97/0x150 [10010.435210][ T10] ip6_dst_alloc+0x23/0x90 [10010.435210][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [10010.435210][ T10] ip6_pol_route+0x56f/0x840 [10010.435210][ T10] fib6_rule_lookup+0x334/0x630 [10010.435210][ T10] ip6_route_output_flags+0x259/0x480 [10010.435210][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [10010.435210][ T10] ip6_dst_lookup_flow+0x88/0x190 [10010.435210][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [10010.435210][ T10] udpv6_sendmsg+0xfdc/0x2830 [10010.435210][ T10] ____sys_sendmsg+0x3f9/0xa10 [10010.435210][ T10] ___sys_sendmsg+0xee/0x170 [10010.435210][ T10] __sys_sendmsg+0xcd/0x170 [10010.435210][ T10] do_syscall_64+0xc6/0x1e0 [10010.435210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10010.435210][ T10] [10010.437224][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10010.437224][ T10] netdev_get_by_index+0x5e/0x80 [10010.437224][ T10] fib6_nh_init+0x3d8/0x1580 [10010.437224][ T10] ip6_route_info_create+0xf18/0x17d0 [10010.437224][ T10] ip6_route_add+0x1c/0x140 [10010.437224][ T10] addrconf_prefix_route+0x2a6/0x430 [10010.437224][ T10] inet6_addr_add+0x4f8/0xa40 [10010.437224][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10010.437224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10010.437224][ T10] netlink_rcv_skb+0x130/0x360 [10010.437224][ T10] netlink_unicast+0x449/0x710 [10010.437224][ T10] netlink_sendmsg+0x723/0xbe0 [10010.437224][ T10] ____sys_sendmsg+0x7b2/0xa10 [10010.437224][ T10] ___sys_sendmsg+0xee/0x170 [10010.437224][ T10] __sys_sendmsg+0xcd/0x170 [10010.437224][ T10] do_syscall_64+0xc6/0x1e0 [10010.437224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10010.437224][ T10] [10010.439232][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10010.439232][ T10] netdev_get_by_index+0x5e/0x80 [10010.439232][ T10] fib6_nh_init+0x3d8/0x1580 [10010.439232][ T10] ip6_route_info_create+0xf18/0x17d0 [10010.439232][ T10] addrconf_f6i_alloc+0x315/0x560 [10010.439232][ T10] ipv6_add_addr+0x411/0x2000 [10010.439232][ T10] inet6_addr_add+0x30e/0xa40 [10010.439232][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10010.439232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10010.439232][ T10] netlink_rcv_skb+0x130/0x360 [10010.439232][ T10] netlink_unicast+0x449/0x710 [10010.439232][ T10] netlink_sendmsg+0x723/0xbe0 [10010.439232][ T10] ____sys_sendmsg+0x7b2/0xa10 [10010.439232][ T10] ___sys_sendmsg+0xee/0x170 [10010.439232][ T10] __sys_sendmsg+0xcd/0x170 [10010.439232][ T10] do_syscall_64+0xc6/0x1e0 [10010.439232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10010.439232][ T10] [10010.441241][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10010.441241][ T10] netdev_get_by_index+0x5e/0x80 [10010.441241][ T10] fib6_nh_init+0x3d8/0x1580 [10010.441241][ T10] ip6_route_info_create+0xf18/0x17d0 [10010.441241][ T10] ip6_route_add+0x1c/0x140 [10010.441241][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10010.441241][ T10] addrconf_add_dev+0xe2/0x170 [10010.441241][ T10] inet6_addr_add+0x12f/0xa40 [10010.441241][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10010.441241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10010.441241][ T10] netlink_rcv_skb+0x130/0x360 [10010.441241][ T10] netlink_unicast+0x449/0x710 [10010.441241][ T10] netlink_sendmsg+0x723/0xbe0 [10010.441241][ T10] ____sys_sendmsg+0x7b2/0xa10 [10010.441241][ T10] ___sys_sendmsg+0xee/0x170 [10010.441241][ T10] __sys_sendmsg+0xcd/0x170 [10010.441241][ T10] do_syscall_64+0xc6/0x1e0 [10010.441241][ T10] [10010.443202][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10010.443202][ T10] ipv6_add_dev+0x3ba/0x11c0 [10010.443202][ T10] ipv6_find_idev+0x102/0x170 [10010.443202][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10010.443202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10010.443202][ T10] netlink_rcv_skb+0x130/0x360 [10010.443202][ T10] netlink_unicast+0x449/0x710 [10010.443202][ T10] netlink_sendmsg+0x723/0xbe0 [10010.443202][ T10] ____sys_sendmsg+0x7b2/0xa10 [10010.443202][ T10] ___sys_sendmsg+0xee/0x170 [10010.443202][ T10] __sys_sendmsg+0xcd/0x170 [10010.443202][ T10] do_syscall_64+0xc6/0x1e0 [10010.443202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10010.443202][ T10] [10010.444754][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10010.444754][ T10] neigh_parms_alloc+0x1e5/0x510 [10010.444754][ T10] ipv6_add_dev+0x2fe/0x11c0 [10010.444754][ T10] ipv6_find_idev+0x102/0x170 [10010.444754][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10010.444754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10010.444754][ T10] netlink_rcv_skb+0x130/0x360 [10010.444754][ T10] netlink_unicast+0x449/0x710 [10010.444754][ T10] netlink_sendmsg+0x723/0xbe0 [10010.444754][ T10] ____sys_sendmsg+0x7b2/0xa10 [10010.444754][ T10] ___sys_sendmsg+0xee/0x170 [10010.444754][ T10] __sys_sendmsg+0xcd/0x170 [10010.444754][ T10] do_syscall_64+0xc6/0x1e0 [10010.444754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10010.444754][ T10] [10010.566826][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [10010.567256][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [10010.567256][T12167] netdev_get_by_index+0x5e/0x80 [10010.567256][T12167] fib6_nh_init+0x3d8/0x1580 [10010.567256][T12167] ip6_route_info_create+0xf18/0x17d0 [10010.567256][T12167] addrconf_f6i_alloc+0x315/0x560 [10010.567256][T12167] ipv6_add_addr+0x411/0x2000 [10010.567256][T12167] inet6_addr_add+0x30e/0xa40 [10010.567256][T12167] inet6_rtm_newaddr+0x560/0x6b0 [10010.567256][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10010.567256][T12167] netlink_rcv_skb+0x130/0x360 [10010.567256][T12167] netlink_unicast+0x449/0x710 [10010.567256][T12167] netlink_sendmsg+0x723/0xbe0 [10010.567256][T12167] ____sys_sendmsg+0x7b2/0xa10 [10010.567256][T12167] ___sys_sendmsg+0xee/0x170 [10010.567256][T12167] __sys_sendmsg+0xcd/0x170 [10010.567256][T12167] do_syscall_64+0xc6/0x1e0 [10010.567256][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10010.567256][T12167] [10010.569530][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [10010.569530][T12167] ipv6_add_dev+0x3ba/0x11c0 [10010.569530][T12167] ipv6_find_idev+0x102/0x170 [10010.569530][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [10010.569530][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10010.569530][T12167] netlink_rcv_skb+0x130/0x360 [10010.569530][T12167] netlink_unicast+0x449/0x710 [10010.569530][T12167] netlink_sendmsg+0x723/0xbe0 [10010.569530][T12167] ____sys_sendmsg+0x7b2/0xa10 [10010.569530][T12167] ___sys_sendmsg+0xee/0x170 [10010.569530][T12167] __sys_sendmsg+0xcd/0x170 [10010.569530][T12167] do_syscall_64+0xc6/0x1e0 [10010.569530][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10010.569530][T12167] [10010.571253][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [10010.571253][T12167] neigh_parms_alloc+0x1e5/0x510 [10010.571253][T12167] ipv6_add_dev+0x2fe/0x11c0 [10010.571253][T12167] ipv6_find_idev+0x102/0x170 [10010.571253][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [10010.571253][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10010.571253][T12167] netlink_rcv_skb+0x130/0x360 [10010.571253][T12167] netlink_unicast+0x449/0x710 [10010.571253][T12167] netlink_sendmsg+0x723/0xbe0 [10010.571253][T12167] ____sys_sendmsg+0x7b2/0xa10 [10010.571253][T12167] ___sys_sendmsg+0xee/0x170 [10010.571253][T12167] __sys_sendmsg+0xcd/0x170 [10010.571253][T12167] do_syscall_64+0xc6/0x1e0 [10010.571253][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10010.571253][T12167] [10020.694838][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [10020.695290][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [10020.695290][ T10] dst_init+0x84/0x4a0 [10020.695290][ T10] dst_alloc+0x97/0x150 [10020.695290][ T10] ip6_dst_alloc+0x23/0x90 [10020.695290][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [10020.695290][ T10] ip6_pol_route+0x56f/0x840 [10020.695290][ T10] fib6_rule_lookup+0x334/0x630 [10020.695290][ T10] ip6_route_output_flags+0x259/0x480 [10020.695290][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [10020.695290][ T10] ip6_dst_lookup_flow+0x88/0x190 [10020.695290][ T10] rawv6_sendmsg+0x7c6/0x17d0 [10020.695290][ T10] ____sys_sendmsg+0x772/0xa10 [10020.695290][ T10] ___sys_sendmsg+0xee/0x170 [10020.695290][ T10] __sys_sendmsg+0xcd/0x170 [10020.695290][ T10] do_syscall_64+0xc6/0x1e0 [10020.695290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10020.695290][ T10] [10020.697201][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10020.697201][ T10] dst_init+0x84/0x4a0 [10020.697201][ T10] dst_alloc+0x97/0x150 [10020.697201][ T10] ip6_dst_alloc+0x23/0x90 [10020.697201][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [10020.697201][ T10] ip6_pol_route+0x56f/0x840 [10020.697201][ T10] fib6_rule_lookup+0x334/0x630 [10020.697201][ T10] ip6_route_output_flags+0x259/0x480 [10020.697201][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [10020.697201][ T10] ip6_dst_lookup_flow+0x88/0x190 [10020.697201][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [10020.697201][ T10] ping_v6_sendmsg+0x763/0x1150 [10020.697201][ T10] ____sys_sendmsg+0x772/0xa10 [10020.697201][ T10] ___sys_sendmsg+0xee/0x170 [10020.697201][ T10] __sys_sendmsg+0xcd/0x170 [10020.697201][ T10] do_syscall_64+0xc6/0x1e0 [10020.697201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10020.697201][ T10] [10020.699211][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10020.699211][ T10] dst_init+0x84/0x4a0 [10020.699211][ T10] dst_alloc+0x97/0x150 [10020.699211][ T10] ip6_dst_alloc+0x23/0x90 [10020.699211][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [10020.699211][ T10] ip6_pol_route+0x56f/0x840 [10020.699211][ T10] fib6_rule_lookup+0x334/0x630 [10020.699211][ T10] ip6_route_output_flags+0x259/0x480 [10020.699211][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [10020.699211][ T10] ip6_dst_lookup_flow+0x88/0x190 [10020.699211][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [10020.699211][ T10] udpv6_sendmsg+0xfdc/0x2830 [10020.699211][ T10] ____sys_sendmsg+0x3f9/0xa10 [10020.699211][ T10] ___sys_sendmsg+0xee/0x170 [10020.699211][ T10] __sys_sendmsg+0xcd/0x170 [10020.699211][ T10] do_syscall_64+0xc6/0x1e0 [10020.699211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10020.699211][ T10] [10020.701258][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10020.701258][ T10] netdev_get_by_index+0x5e/0x80 [10020.701258][ T10] fib6_nh_init+0x3d8/0x1580 [10020.701258][ T10] ip6_route_info_create+0xf18/0x17d0 [10020.701258][ T10] ip6_route_add+0x1c/0x140 [10020.701258][ T10] addrconf_prefix_route+0x2a6/0x430 [10020.701258][ T10] inet6_addr_add+0x4f8/0xa40 [10020.701258][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10020.701258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10020.701258][ T10] netlink_rcv_skb+0x130/0x360 [10020.701258][ T10] netlink_unicast+0x449/0x710 [10020.701258][ T10] netlink_sendmsg+0x723/0xbe0 [10020.701258][ T10] ____sys_sendmsg+0x7b2/0xa10 [10020.701258][ T10] ___sys_sendmsg+0xee/0x170 [10020.701258][ T10] __sys_sendmsg+0xcd/0x170 [10020.701258][ T10] do_syscall_64+0xc6/0x1e0 [10020.701258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10020.701258][ T10] [10020.703268][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10020.703268][ T10] netdev_get_by_index+0x5e/0x80 [10020.703268][ T10] fib6_nh_init+0x3d8/0x1580 [10020.703268][ T10] ip6_route_info_create+0xf18/0x17d0 [10020.703268][ T10] addrconf_f6i_alloc+0x315/0x560 [10020.703268][ T10] ipv6_add_addr+0x411/0x2000 [10020.703268][ T10] inet6_addr_add+0x30e/0xa40 [10020.703268][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10020.703268][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10020.703268][ T10] netlink_rcv_skb+0x130/0x360 [10020.703268][ T10] netlink_unicast+0x449/0x710 [10020.703268][ T10] netlink_sendmsg+0x723/0xbe0 [10020.703268][ T10] ____sys_sendmsg+0x7b2/0xa10 [10020.703268][ T10] ___sys_sendmsg+0xee/0x170 [10020.703268][ T10] __sys_sendmsg+0xcd/0x170 [10020.703268][ T10] do_syscall_64+0xc6/0x1e0 [10020.703268][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10020.703268][ T10] [10020.705281][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10020.705281][ T10] netdev_get_by_index+0x5e/0x80 [10020.705281][ T10] fib6_nh_init+0x3d8/0x1580 [10020.705281][ T10] ip6_route_info_create+0xf18/0x17d0 [10020.705281][ T10] ip6_route_add+0x1c/0x140 [10020.705281][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10020.705281][ T10] addrconf_add_dev+0xe2/0x170 [10020.705281][ T10] inet6_addr_add+0x12f/0xa40 [10020.705281][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10020.705281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10020.705281][ T10] netlink_rcv_skb+0x130/0x360 [10020.705281][ T10] netlink_unicast+0x449/0x710 [10020.705281][ T10] netlink_sendmsg+0x723/0xbe0 [10020.705281][ T10] ____sys_sendmsg+0x7b2/0xa10 [10020.705281][ T10] ___sys_sendmsg+0xee/0x170 [10020.705281][ T10] __sys_sendmsg+0xcd/0x170 [10020.705281][ T10] do_syscall_64+0xc6/0x1e0 [10020.705281][ T10] [10020.707260][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10020.707260][ T10] ipv6_add_dev+0x3ba/0x11c0 [10020.707260][ T10] ipv6_find_idev+0x102/0x170 [10020.707260][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10020.707260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10020.707260][ T10] netlink_rcv_skb+0x130/0x360 [10020.707260][ T10] netlink_unicast+0x449/0x710 [10020.707260][ T10] netlink_sendmsg+0x723/0xbe0 [10020.707260][ T10] ____sys_sendmsg+0x7b2/0xa10 [10020.707260][ T10] ___sys_sendmsg+0xee/0x170 [10020.707260][ T10] __sys_sendmsg+0xcd/0x170 [10020.707260][ T10] do_syscall_64+0xc6/0x1e0 [10020.707260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10020.707260][ T10] [10020.708815][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10020.708815][ T10] neigh_parms_alloc+0x1e5/0x510 [10020.708815][ T10] ipv6_add_dev+0x2fe/0x11c0 [10020.708815][ T10] ipv6_find_idev+0x102/0x170 [10020.708815][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10020.708815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10020.708815][ T10] netlink_rcv_skb+0x130/0x360 [10020.708815][ T10] netlink_unicast+0x449/0x710 [10020.708815][ T10] netlink_sendmsg+0x723/0xbe0 [10020.708815][ T10] ____sys_sendmsg+0x7b2/0xa10 [10020.708815][ T10] ___sys_sendmsg+0xee/0x170 [10020.708815][ T10] __sys_sendmsg+0xcd/0x170 [10020.708815][ T10] do_syscall_64+0xc6/0x1e0 [10020.708815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10020.708815][ T10] [10020.822817][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [10020.823194][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [10020.823194][T12167] netdev_get_by_index+0x5e/0x80 [10020.823194][T12167] fib6_nh_init+0x3d8/0x1580 [10020.823194][T12167] ip6_route_info_create+0xf18/0x17d0 [10020.823194][T12167] addrconf_f6i_alloc+0x315/0x560 [10020.823194][T12167] ipv6_add_addr+0x411/0x2000 [10020.823194][T12167] inet6_addr_add+0x30e/0xa40 [10020.823194][T12167] inet6_rtm_newaddr+0x560/0x6b0 [10020.823194][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10020.823194][T12167] netlink_rcv_skb+0x130/0x360 [10020.823194][T12167] netlink_unicast+0x449/0x710 [10020.823194][T12167] netlink_sendmsg+0x723/0xbe0 [10020.823194][T12167] ____sys_sendmsg+0x7b2/0xa10 [10020.823194][T12167] ___sys_sendmsg+0xee/0x170 [10020.823194][T12167] __sys_sendmsg+0xcd/0x170 [10020.823194][T12167] do_syscall_64+0xc6/0x1e0 [10020.823194][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10020.823194][T12167] [10020.825473][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [10020.825473][T12167] ipv6_add_dev+0x3ba/0x11c0 [10020.825473][T12167] ipv6_find_idev+0x102/0x170 [10020.825473][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [10020.825473][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10020.825473][T12167] netlink_rcv_skb+0x130/0x360 [10020.825473][T12167] netlink_unicast+0x449/0x710 [10020.825473][T12167] netlink_sendmsg+0x723/0xbe0 [10020.825473][T12167] ____sys_sendmsg+0x7b2/0xa10 [10020.825473][T12167] ___sys_sendmsg+0xee/0x170 [10020.825473][T12167] __sys_sendmsg+0xcd/0x170 [10020.825473][T12167] do_syscall_64+0xc6/0x1e0 [10020.825473][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10020.825473][T12167] [10020.827210][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [10020.827210][T12167] neigh_parms_alloc+0x1e5/0x510 [10020.827210][T12167] ipv6_add_dev+0x2fe/0x11c0 [10020.827210][T12167] ipv6_find_idev+0x102/0x170 [10020.827210][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [10020.827210][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10020.827210][T12167] netlink_rcv_skb+0x130/0x360 [10020.827210][T12167] netlink_unicast+0x449/0x710 [10020.827210][T12167] netlink_sendmsg+0x723/0xbe0 [10020.827210][T12167] ____sys_sendmsg+0x7b2/0xa10 [10020.827210][T12167] ___sys_sendmsg+0xee/0x170 [10020.827210][T12167] __sys_sendmsg+0xcd/0x170 [10020.827210][T12167] do_syscall_64+0xc6/0x1e0 [10020.827210][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10020.827210][T12167] [10030.710847][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [10030.711256][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [10030.711256][ T10] dst_init+0x84/0x4a0 [10030.711256][ T10] dst_alloc+0x97/0x150 [10030.711256][ T10] ip6_dst_alloc+0x23/0x90 [10030.711256][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [10030.711256][ T10] ip6_pol_route+0x56f/0x840 [10030.711256][ T10] fib6_rule_lookup+0x334/0x630 [10030.711256][ T10] ip6_route_output_flags+0x259/0x480 [10030.711256][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [10030.711256][ T10] ip6_dst_lookup_flow+0x88/0x190 [10030.711256][ T10] rawv6_sendmsg+0x7c6/0x17d0 [10030.711256][ T10] ____sys_sendmsg+0x772/0xa10 [10030.711256][ T10] ___sys_sendmsg+0xee/0x170 [10030.711256][ T10] __sys_sendmsg+0xcd/0x170 [10030.711256][ T10] do_syscall_64+0xc6/0x1e0 [10030.711256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10030.711256][ T10] [10030.713177][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10030.713177][ T10] dst_init+0x84/0x4a0 [10030.713177][ T10] dst_alloc+0x97/0x150 [10030.713177][ T10] ip6_dst_alloc+0x23/0x90 [10030.713177][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [10030.713177][ T10] ip6_pol_route+0x56f/0x840 [10030.713177][ T10] fib6_rule_lookup+0x334/0x630 [10030.713177][ T10] ip6_route_output_flags+0x259/0x480 [10030.713177][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [10030.713177][ T10] ip6_dst_lookup_flow+0x88/0x190 [10030.713177][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [10030.713177][ T10] ping_v6_sendmsg+0x763/0x1150 [10030.713177][ T10] ____sys_sendmsg+0x772/0xa10 [10030.713177][ T10] ___sys_sendmsg+0xee/0x170 [10030.713177][ T10] __sys_sendmsg+0xcd/0x170 [10030.713177][ T10] do_syscall_64+0xc6/0x1e0 [10030.713177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10030.713177][ T10] [10030.715220][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10030.715220][ T10] dst_init+0x84/0x4a0 [10030.715220][ T10] dst_alloc+0x97/0x150 [10030.715220][ T10] ip6_dst_alloc+0x23/0x90 [10030.715220][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [10030.715220][ T10] ip6_pol_route+0x56f/0x840 [10030.715220][ T10] fib6_rule_lookup+0x334/0x630 [10030.715220][ T10] ip6_route_output_flags+0x259/0x480 [10030.715220][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [10030.715220][ T10] ip6_dst_lookup_flow+0x88/0x190 [10030.715220][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [10030.715220][ T10] udpv6_sendmsg+0xfdc/0x2830 [10030.715220][ T10] ____sys_sendmsg+0x3f9/0xa10 [10030.715220][ T10] ___sys_sendmsg+0xee/0x170 [10030.715220][ T10] __sys_sendmsg+0xcd/0x170 [10030.715220][ T10] do_syscall_64+0xc6/0x1e0 [10030.715220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10030.715220][ T10] [10030.717249][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10030.717249][ T10] netdev_get_by_index+0x5e/0x80 [10030.717249][ T10] fib6_nh_init+0x3d8/0x1580 [10030.717249][ T10] ip6_route_info_create+0xf18/0x17d0 [10030.717249][ T10] ip6_route_add+0x1c/0x140 [10030.717249][ T10] addrconf_prefix_route+0x2a6/0x430 [10030.717249][ T10] inet6_addr_add+0x4f8/0xa40 [10030.717249][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10030.717249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10030.717249][ T10] netlink_rcv_skb+0x130/0x360 [10030.717249][ T10] netlink_unicast+0x449/0x710 [10030.717249][ T10] netlink_sendmsg+0x723/0xbe0 [10030.717249][ T10] ____sys_sendmsg+0x7b2/0xa10 [10030.717249][ T10] ___sys_sendmsg+0xee/0x170 [10030.717249][ T10] __sys_sendmsg+0xcd/0x170 [10030.717249][ T10] do_syscall_64+0xc6/0x1e0 [10030.717249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10030.717249][ T10] [10030.719271][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10030.719271][ T10] netdev_get_by_index+0x5e/0x80 [10030.719271][ T10] fib6_nh_init+0x3d8/0x1580 [10030.719271][ T10] ip6_route_info_create+0xf18/0x17d0 [10030.719271][ T10] addrconf_f6i_alloc+0x315/0x560 [10030.719271][ T10] ipv6_add_addr+0x411/0x2000 [10030.719271][ T10] inet6_addr_add+0x30e/0xa40 [10030.719271][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10030.719271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10030.719271][ T10] netlink_rcv_skb+0x130/0x360 [10030.719271][ T10] netlink_unicast+0x449/0x710 [10030.719271][ T10] netlink_sendmsg+0x723/0xbe0 [10030.719271][ T10] ____sys_sendmsg+0x7b2/0xa10 [10030.719271][ T10] ___sys_sendmsg+0xee/0x170 [10030.719271][ T10] __sys_sendmsg+0xcd/0x170 [10030.719271][ T10] do_syscall_64+0xc6/0x1e0 [10030.719271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10030.719271][ T10] [10030.721289][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10030.721289][ T10] netdev_get_by_index+0x5e/0x80 [10030.721289][ T10] fib6_nh_init+0x3d8/0x1580 [10030.721289][ T10] ip6_route_info_create+0xf18/0x17d0 [10030.721289][ T10] ip6_route_add+0x1c/0x140 [10030.721289][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10030.721289][ T10] addrconf_add_dev+0xe2/0x170 [10030.721289][ T10] inet6_addr_add+0x12f/0xa40 [10030.721289][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10030.721289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10030.721289][ T10] netlink_rcv_skb+0x130/0x360 [10030.721289][ T10] netlink_unicast+0x449/0x710 [10030.721289][ T10] netlink_sendmsg+0x723/0xbe0 [10030.721289][ T10] ____sys_sendmsg+0x7b2/0xa10 [10030.721289][ T10] ___sys_sendmsg+0xee/0x170 [10030.721289][ T10] __sys_sendmsg+0xcd/0x170 [10030.721289][ T10] do_syscall_64+0xc6/0x1e0 [10030.721289][ T10] [10030.723268][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10030.723268][ T10] ipv6_add_dev+0x3ba/0x11c0 [10030.723268][ T10] ipv6_find_idev+0x102/0x170 [10030.723268][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10030.723268][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10030.723268][ T10] netlink_rcv_skb+0x130/0x360 [10030.723268][ T10] netlink_unicast+0x449/0x710 [10030.723268][ T10] netlink_sendmsg+0x723/0xbe0 [10030.723268][ T10] ____sys_sendmsg+0x7b2/0xa10 [10030.723268][ T10] ___sys_sendmsg+0xee/0x170 [10030.723268][ T10] __sys_sendmsg+0xcd/0x170 [10030.723268][ T10] do_syscall_64+0xc6/0x1e0 [10030.723268][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10030.723268][ T10] [10030.724818][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10030.724818][ T10] neigh_parms_alloc+0x1e5/0x510 [10030.724818][ T10] ipv6_add_dev+0x2fe/0x11c0 [10030.724818][ T10] ipv6_find_idev+0x102/0x170 [10030.724818][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10030.724818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10030.724818][ T10] netlink_rcv_skb+0x130/0x360 [10030.724818][ T10] netlink_unicast+0x449/0x710 [10030.724818][ T10] netlink_sendmsg+0x723/0xbe0 [10030.724818][ T10] ____sys_sendmsg+0x7b2/0xa10 [10030.724818][ T10] ___sys_sendmsg+0xee/0x170 [10030.724818][ T10] __sys_sendmsg+0xcd/0x170 [10030.724818][ T10] do_syscall_64+0xc6/0x1e0 [10030.724818][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10030.724818][ T10] [10031.070822][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [10031.071201][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [10031.071201][T12167] netdev_get_by_index+0x5e/0x80 [10031.071201][T12167] fib6_nh_init+0x3d8/0x1580 [10031.071201][T12167] ip6_route_info_create+0xf18/0x17d0 [10031.071201][T12167] addrconf_f6i_alloc+0x315/0x560 [10031.071201][T12167] ipv6_add_addr+0x411/0x2000 [10031.071201][T12167] inet6_addr_add+0x30e/0xa40 [10031.071201][T12167] inet6_rtm_newaddr+0x560/0x6b0 [10031.071201][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10031.071201][T12167] netlink_rcv_skb+0x130/0x360 [10031.071201][T12167] netlink_unicast+0x449/0x710 [10031.071201][T12167] netlink_sendmsg+0x723/0xbe0 [10031.071201][T12167] ____sys_sendmsg+0x7b2/0xa10 [10031.071201][T12167] ___sys_sendmsg+0xee/0x170 [10031.071201][T12167] __sys_sendmsg+0xcd/0x170 [10031.071201][T12167] do_syscall_64+0xc6/0x1e0 [10031.071201][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10031.071201][T12167] [10031.073506][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [10031.073506][T12167] ipv6_add_dev+0x3ba/0x11c0 [10031.073506][T12167] ipv6_find_idev+0x102/0x170 [10031.073506][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [10031.073506][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10031.073506][T12167] netlink_rcv_skb+0x130/0x360 [10031.073506][T12167] netlink_unicast+0x449/0x710 [10031.073506][T12167] netlink_sendmsg+0x723/0xbe0 [10031.073506][T12167] ____sys_sendmsg+0x7b2/0xa10 [10031.073506][T12167] ___sys_sendmsg+0xee/0x170 [10031.073506][T12167] __sys_sendmsg+0xcd/0x170 [10031.073506][T12167] do_syscall_64+0xc6/0x1e0 [10031.073506][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10031.073506][T12167] [10031.075257][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [10031.075257][T12167] neigh_parms_alloc+0x1e5/0x510 [10031.075257][T12167] ipv6_add_dev+0x2fe/0x11c0 [10031.075257][T12167] ipv6_find_idev+0x102/0x170 [10031.075257][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [10031.075257][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10031.075257][T12167] netlink_rcv_skb+0x130/0x360 [10031.075257][T12167] netlink_unicast+0x449/0x710 [10031.075257][T12167] netlink_sendmsg+0x723/0xbe0 [10031.075257][T12167] ____sys_sendmsg+0x7b2/0xa10 [10031.075257][T12167] ___sys_sendmsg+0xee/0x170 [10031.075257][T12167] __sys_sendmsg+0xcd/0x170 [10031.075257][T12167] do_syscall_64+0xc6/0x1e0 [10031.075257][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10031.075257][T12167] [10040.734870][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [10040.735308][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [10040.735308][ T10] dst_init+0x84/0x4a0 [10040.735308][ T10] dst_alloc+0x97/0x150 [10040.735308][ T10] ip6_dst_alloc+0x23/0x90 [10040.735308][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [10040.735308][ T10] ip6_pol_route+0x56f/0x840 [10040.735308][ T10] fib6_rule_lookup+0x334/0x630 [10040.735308][ T10] ip6_route_output_flags+0x259/0x480 [10040.735308][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [10040.735308][ T10] ip6_dst_lookup_flow+0x88/0x190 [10040.735308][ T10] rawv6_sendmsg+0x7c6/0x17d0 [10040.735308][ T10] ____sys_sendmsg+0x772/0xa10 [10040.735308][ T10] ___sys_sendmsg+0xee/0x170 [10040.735308][ T10] __sys_sendmsg+0xcd/0x170 [10040.735308][ T10] do_syscall_64+0xc6/0x1e0 [10040.735308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10040.735308][ T10] [10040.737219][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10040.737219][ T10] dst_init+0x84/0x4a0 [10040.737219][ T10] dst_alloc+0x97/0x150 [10040.737219][ T10] ip6_dst_alloc+0x23/0x90 [10040.737219][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [10040.737219][ T10] ip6_pol_route+0x56f/0x840 [10040.737219][ T10] fib6_rule_lookup+0x334/0x630 [10040.737219][ T10] ip6_route_output_flags+0x259/0x480 [10040.737219][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [10040.737219][ T10] ip6_dst_lookup_flow+0x88/0x190 [10040.737219][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [10040.737219][ T10] ping_v6_sendmsg+0x763/0x1150 [10040.737219][ T10] ____sys_sendmsg+0x772/0xa10 [10040.737219][ T10] ___sys_sendmsg+0xee/0x170 [10040.737219][ T10] __sys_sendmsg+0xcd/0x170 [10040.737219][ T10] do_syscall_64+0xc6/0x1e0 [10040.737219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10040.737219][ T10] [10040.739229][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10040.739229][ T10] dst_init+0x84/0x4a0 [10040.739229][ T10] dst_alloc+0x97/0x150 [10040.739229][ T10] ip6_dst_alloc+0x23/0x90 [10040.739229][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [10040.739229][ T10] ip6_pol_route+0x56f/0x840 [10040.739229][ T10] fib6_rule_lookup+0x334/0x630 [10040.739229][ T10] ip6_route_output_flags+0x259/0x480 [10040.739229][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [10040.739229][ T10] ip6_dst_lookup_flow+0x88/0x190 [10040.739229][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [10040.739229][ T10] udpv6_sendmsg+0xfdc/0x2830 [10040.739229][ T10] ____sys_sendmsg+0x3f9/0xa10 [10040.739229][ T10] ___sys_sendmsg+0xee/0x170 [10040.739229][ T10] __sys_sendmsg+0xcd/0x170 [10040.739229][ T10] do_syscall_64+0xc6/0x1e0 [10040.739229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10040.739229][ T10] [10040.741375][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10040.741375][ T10] netdev_get_by_index+0x5e/0x80 [10040.741375][ T10] fib6_nh_init+0x3d8/0x1580 [10040.741375][ T10] ip6_route_info_create+0xf18/0x17d0 [10040.741375][ T10] ip6_route_add+0x1c/0x140 [10040.741375][ T10] addrconf_prefix_route+0x2a6/0x430 [10040.741375][ T10] inet6_addr_add+0x4f8/0xa40 [10040.741375][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10040.741375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10040.741375][ T10] netlink_rcv_skb+0x130/0x360 [10040.741375][ T10] netlink_unicast+0x449/0x710 [10040.741375][ T10] netlink_sendmsg+0x723/0xbe0 [10040.741375][ T10] ____sys_sendmsg+0x7b2/0xa10 [10040.741375][ T10] ___sys_sendmsg+0xee/0x170 [10040.741375][ T10] __sys_sendmsg+0xcd/0x170 [10040.741375][ T10] do_syscall_64+0xc6/0x1e0 [10040.741375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10040.741375][ T10] [10040.743405][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10040.743405][ T10] netdev_get_by_index+0x5e/0x80 [10040.743405][ T10] fib6_nh_init+0x3d8/0x1580 [10040.743405][ T10] ip6_route_info_create+0xf18/0x17d0 [10040.743405][ T10] addrconf_f6i_alloc+0x315/0x560 [10040.743405][ T10] ipv6_add_addr+0x411/0x2000 [10040.743405][ T10] inet6_addr_add+0x30e/0xa40 [10040.743405][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10040.743405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10040.743405][ T10] netlink_rcv_skb+0x130/0x360 [10040.743405][ T10] netlink_unicast+0x449/0x710 [10040.743405][ T10] netlink_sendmsg+0x723/0xbe0 [10040.743405][ T10] ____sys_sendmsg+0x7b2/0xa10 [10040.743405][ T10] ___sys_sendmsg+0xee/0x170 [10040.743405][ T10] __sys_sendmsg+0xcd/0x170 [10040.743405][ T10] do_syscall_64+0xc6/0x1e0 [10040.743405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10040.743405][ T10] [10040.745397][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10040.745397][ T10] netdev_get_by_index+0x5e/0x80 [10040.745397][ T10] fib6_nh_init+0x3d8/0x1580 [10040.745397][ T10] ip6_route_info_create+0xf18/0x17d0 [10040.745397][ T10] ip6_route_add+0x1c/0x140 [10040.745397][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10040.745397][ T10] addrconf_add_dev+0xe2/0x170 [10040.745397][ T10] inet6_addr_add+0x12f/0xa40 [10040.745397][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10040.745397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10040.745397][ T10] netlink_rcv_skb+0x130/0x360 [10040.745397][ T10] netlink_unicast+0x449/0x710 [10040.745397][ T10] netlink_sendmsg+0x723/0xbe0 [10040.745397][ T10] ____sys_sendmsg+0x7b2/0xa10 [10040.745397][ T10] ___sys_sendmsg+0xee/0x170 [10040.745397][ T10] __sys_sendmsg+0xcd/0x170 [10040.745397][ T10] do_syscall_64+0xc6/0x1e0 [10040.745397][ T10] [10040.747381][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10040.747381][ T10] ipv6_add_dev+0x3ba/0x11c0 [10040.747381][ T10] ipv6_find_idev+0x102/0x170 [10040.747381][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10040.747381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10040.747381][ T10] netlink_rcv_skb+0x130/0x360 [10040.747381][ T10] netlink_unicast+0x449/0x710 [10040.747381][ T10] netlink_sendmsg+0x723/0xbe0 [10040.747381][ T10] ____sys_sendmsg+0x7b2/0xa10 [10040.747381][ T10] ___sys_sendmsg+0xee/0x170 [10040.747381][ T10] __sys_sendmsg+0xcd/0x170 [10040.747381][ T10] do_syscall_64+0xc6/0x1e0 [10040.747381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10040.747381][ T10] [10040.748928][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10040.748928][ T10] neigh_parms_alloc+0x1e5/0x510 [10040.748928][ T10] ipv6_add_dev+0x2fe/0x11c0 [10040.748928][ T10] ipv6_find_idev+0x102/0x170 [10040.748928][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10040.748928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10040.748928][ T10] netlink_rcv_skb+0x130/0x360 [10040.748928][ T10] netlink_unicast+0x449/0x710 [10040.748928][ T10] netlink_sendmsg+0x723/0xbe0 [10040.748928][ T10] ____sys_sendmsg+0x7b2/0xa10 [10040.748928][ T10] ___sys_sendmsg+0xee/0x170 [10040.748928][ T10] __sys_sendmsg+0xcd/0x170 [10040.748928][ T10] do_syscall_64+0xc6/0x1e0 [10040.748928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10040.748928][ T10] [10041.318888][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [10041.319267][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [10041.319267][T12167] netdev_get_by_index+0x5e/0x80 [10041.319267][T12167] fib6_nh_init+0x3d8/0x1580 [10041.319267][T12167] ip6_route_info_create+0xf18/0x17d0 [10041.319267][T12167] addrconf_f6i_alloc+0x315/0x560 [10041.319267][T12167] ipv6_add_addr+0x411/0x2000 [10041.319267][T12167] inet6_addr_add+0x30e/0xa40 [10041.319267][T12167] inet6_rtm_newaddr+0x560/0x6b0 [10041.319267][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10041.319267][T12167] netlink_rcv_skb+0x130/0x360 [10041.319267][T12167] netlink_unicast+0x449/0x710 [10041.319267][T12167] netlink_sendmsg+0x723/0xbe0 [10041.319267][T12167] ____sys_sendmsg+0x7b2/0xa10 [10041.319267][T12167] ___sys_sendmsg+0xee/0x170 [10041.319267][T12167] __sys_sendmsg+0xcd/0x170 [10041.319267][T12167] do_syscall_64+0xc6/0x1e0 [10041.319267][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10041.319267][T12167] [10041.321544][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [10041.321544][T12167] ipv6_add_dev+0x3ba/0x11c0 [10041.321544][T12167] ipv6_find_idev+0x102/0x170 [10041.321544][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [10041.321544][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10041.321544][T12167] netlink_rcv_skb+0x130/0x360 [10041.321544][T12167] netlink_unicast+0x449/0x710 [10041.321544][T12167] netlink_sendmsg+0x723/0xbe0 [10041.321544][T12167] ____sys_sendmsg+0x7b2/0xa10 [10041.321544][T12167] ___sys_sendmsg+0xee/0x170 [10041.321544][T12167] __sys_sendmsg+0xcd/0x170 [10041.321544][T12167] do_syscall_64+0xc6/0x1e0 [10041.321544][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10041.321544][T12167] [10041.323311][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [10041.323311][T12167] neigh_parms_alloc+0x1e5/0x510 [10041.323311][T12167] ipv6_add_dev+0x2fe/0x11c0 [10041.323311][T12167] ipv6_find_idev+0x102/0x170 [10041.323311][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [10041.323311][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10041.323311][T12167] netlink_rcv_skb+0x130/0x360 [10041.323311][T12167] netlink_unicast+0x449/0x710 [10041.323311][T12167] netlink_sendmsg+0x723/0xbe0 [10041.323311][T12167] ____sys_sendmsg+0x7b2/0xa10 [10041.323311][T12167] ___sys_sendmsg+0xee/0x170 [10041.323311][T12167] __sys_sendmsg+0xcd/0x170 [10041.323311][T12167] do_syscall_64+0xc6/0x1e0 [10041.323311][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10041.323311][T12167] [10050.998747][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [10050.999193][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [10050.999193][ T10] dst_init+0x84/0x4a0 [10050.999193][ T10] dst_alloc+0x97/0x150 [10050.999193][ T10] ip6_dst_alloc+0x23/0x90 [10050.999193][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [10050.999193][ T10] ip6_pol_route+0x56f/0x840 [10050.999193][ T10] fib6_rule_lookup+0x334/0x630 [10050.999193][ T10] ip6_route_output_flags+0x259/0x480 [10050.999193][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [10050.999193][ T10] ip6_dst_lookup_flow+0x88/0x190 [10050.999193][ T10] rawv6_sendmsg+0x7c6/0x17d0 [10050.999193][ T10] ____sys_sendmsg+0x772/0xa10 [10050.999193][ T10] ___sys_sendmsg+0xee/0x170 [10050.999193][ T10] __sys_sendmsg+0xcd/0x170 [10050.999193][ T10] do_syscall_64+0xc6/0x1e0 [10050.999193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10050.999193][ T10] [10051.001116][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10051.001116][ T10] dst_init+0x84/0x4a0 [10051.001116][ T10] dst_alloc+0x97/0x150 [10051.001116][ T10] ip6_dst_alloc+0x23/0x90 [10051.001116][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [10051.001116][ T10] ip6_pol_route+0x56f/0x840 [10051.001116][ T10] fib6_rule_lookup+0x334/0x630 [10051.001116][ T10] ip6_route_output_flags+0x259/0x480 [10051.001116][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [10051.001116][ T10] ip6_dst_lookup_flow+0x88/0x190 [10051.001116][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [10051.001116][ T10] ping_v6_sendmsg+0x763/0x1150 [10051.001116][ T10] ____sys_sendmsg+0x772/0xa10 [10051.001116][ T10] ___sys_sendmsg+0xee/0x170 [10051.001116][ T10] __sys_sendmsg+0xcd/0x170 [10051.001116][ T10] do_syscall_64+0xc6/0x1e0 [10051.001116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10051.001116][ T10] [10051.003141][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10051.003141][ T10] dst_init+0x84/0x4a0 [10051.003141][ T10] dst_alloc+0x97/0x150 [10051.003141][ T10] ip6_dst_alloc+0x23/0x90 [10051.003141][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [10051.003141][ T10] ip6_pol_route+0x56f/0x840 [10051.003141][ T10] fib6_rule_lookup+0x334/0x630 [10051.003141][ T10] ip6_route_output_flags+0x259/0x480 [10051.003141][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [10051.003141][ T10] ip6_dst_lookup_flow+0x88/0x190 [10051.003141][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [10051.003141][ T10] udpv6_sendmsg+0xfdc/0x2830 [10051.003141][ T10] ____sys_sendmsg+0x3f9/0xa10 [10051.003141][ T10] ___sys_sendmsg+0xee/0x170 [10051.003141][ T10] __sys_sendmsg+0xcd/0x170 [10051.003141][ T10] do_syscall_64+0xc6/0x1e0 [10051.003141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10051.003141][ T10] [10051.005175][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10051.005175][ T10] netdev_get_by_index+0x5e/0x80 [10051.005175][ T10] fib6_nh_init+0x3d8/0x1580 [10051.005175][ T10] ip6_route_info_create+0xf18/0x17d0 [10051.005175][ T10] ip6_route_add+0x1c/0x140 [10051.005175][ T10] addrconf_prefix_route+0x2a6/0x430 [10051.005175][ T10] inet6_addr_add+0x4f8/0xa40 [10051.005175][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10051.005175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10051.005175][ T10] netlink_rcv_skb+0x130/0x360 [10051.005175][ T10] netlink_unicast+0x449/0x710 [10051.005175][ T10] netlink_sendmsg+0x723/0xbe0 [10051.005175][ T10] ____sys_sendmsg+0x7b2/0xa10 [10051.005175][ T10] ___sys_sendmsg+0xee/0x170 [10051.005175][ T10] __sys_sendmsg+0xcd/0x170 [10051.005175][ T10] do_syscall_64+0xc6/0x1e0 [10051.005175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10051.005175][ T10] [10051.007205][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10051.007205][ T10] netdev_get_by_index+0x5e/0x80 [10051.007205][ T10] fib6_nh_init+0x3d8/0x1580 [10051.007205][ T10] ip6_route_info_create+0xf18/0x17d0 [10051.007205][ T10] addrconf_f6i_alloc+0x315/0x560 [10051.007205][ T10] ipv6_add_addr+0x411/0x2000 [10051.007205][ T10] inet6_addr_add+0x30e/0xa40 [10051.007205][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10051.007205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10051.007205][ T10] netlink_rcv_skb+0x130/0x360 [10051.007205][ T10] netlink_unicast+0x449/0x710 [10051.007205][ T10] netlink_sendmsg+0x723/0xbe0 [10051.007205][ T10] ____sys_sendmsg+0x7b2/0xa10 [10051.007205][ T10] ___sys_sendmsg+0xee/0x170 [10051.007205][ T10] __sys_sendmsg+0xcd/0x170 [10051.007205][ T10] do_syscall_64+0xc6/0x1e0 [10051.007205][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10051.007205][ T10] [10051.009239][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10051.009239][ T10] netdev_get_by_index+0x5e/0x80 [10051.009239][ T10] fib6_nh_init+0x3d8/0x1580 [10051.009239][ T10] ip6_route_info_create+0xf18/0x17d0 [10051.009239][ T10] ip6_route_add+0x1c/0x140 [10051.009239][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10051.009239][ T10] addrconf_add_dev+0xe2/0x170 [10051.009239][ T10] inet6_addr_add+0x12f/0xa40 [10051.009239][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10051.009239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10051.009239][ T10] netlink_rcv_skb+0x130/0x360 [10051.009239][ T10] netlink_unicast+0x449/0x710 [10051.009239][ T10] netlink_sendmsg+0x723/0xbe0 [10051.009239][ T10] ____sys_sendmsg+0x7b2/0xa10 [10051.009239][ T10] ___sys_sendmsg+0xee/0x170 [10051.009239][ T10] __sys_sendmsg+0xcd/0x170 [10051.009239][ T10] do_syscall_64+0xc6/0x1e0 [10051.009239][ T10] [10051.011226][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10051.011226][ T10] ipv6_add_dev+0x3ba/0x11c0 [10051.011226][ T10] ipv6_find_idev+0x102/0x170 [10051.011226][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10051.011226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10051.011226][ T10] netlink_rcv_skb+0x130/0x360 [10051.011226][ T10] netlink_unicast+0x449/0x710 [10051.011226][ T10] netlink_sendmsg+0x723/0xbe0 [10051.011226][ T10] ____sys_sendmsg+0x7b2/0xa10 [10051.011226][ T10] ___sys_sendmsg+0xee/0x170 [10051.011226][ T10] __sys_sendmsg+0xcd/0x170 [10051.011226][ T10] do_syscall_64+0xc6/0x1e0 [10051.011226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10051.011226][ T10] [10051.012787][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10051.012787][ T10] neigh_parms_alloc+0x1e5/0x510 [10051.012787][ T10] ipv6_add_dev+0x2fe/0x11c0 [10051.012787][ T10] ipv6_find_idev+0x102/0x170 [10051.012787][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10051.012787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10051.012787][ T10] netlink_rcv_skb+0x130/0x360 [10051.012787][ T10] netlink_unicast+0x449/0x710 [10051.012787][ T10] netlink_sendmsg+0x723/0xbe0 [10051.012787][ T10] ____sys_sendmsg+0x7b2/0xa10 [10051.012787][ T10] ___sys_sendmsg+0xee/0x170 [10051.012787][ T10] __sys_sendmsg+0xcd/0x170 [10051.012787][ T10] do_syscall_64+0xc6/0x1e0 [10051.012787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10051.012787][ T10] [10051.566878][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [10051.567283][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [10051.567283][T12167] netdev_get_by_index+0x5e/0x80 [10051.567283][T12167] fib6_nh_init+0x3d8/0x1580 [10051.567283][T12167] ip6_route_info_create+0xf18/0x17d0 [10051.567283][T12167] addrconf_f6i_alloc+0x315/0x560 [10051.567283][T12167] ipv6_add_addr+0x411/0x2000 [10051.567283][T12167] inet6_addr_add+0x30e/0xa40 [10051.567283][T12167] inet6_rtm_newaddr+0x560/0x6b0 [10051.567283][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10051.567283][T12167] netlink_rcv_skb+0x130/0x360 [10051.567283][T12167] netlink_unicast+0x449/0x710 [10051.567283][T12167] netlink_sendmsg+0x723/0xbe0 [10051.567283][T12167] ____sys_sendmsg+0x7b2/0xa10 [10051.567283][T12167] ___sys_sendmsg+0xee/0x170 [10051.567283][T12167] __sys_sendmsg+0xcd/0x170 [10051.567283][T12167] do_syscall_64+0xc6/0x1e0 [10051.567283][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10051.567283][T12167] [10051.569566][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [10051.569566][T12167] ipv6_add_dev+0x3ba/0x11c0 [10051.569566][T12167] ipv6_find_idev+0x102/0x170 [10051.569566][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [10051.569566][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10051.569566][T12167] netlink_rcv_skb+0x130/0x360 [10051.569566][T12167] netlink_unicast+0x449/0x710 [10051.569566][T12167] netlink_sendmsg+0x723/0xbe0 [10051.569566][T12167] ____sys_sendmsg+0x7b2/0xa10 [10051.569566][T12167] ___sys_sendmsg+0xee/0x170 [10051.569566][T12167] __sys_sendmsg+0xcd/0x170 [10051.569566][T12167] do_syscall_64+0xc6/0x1e0 [10051.569566][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10051.569566][T12167] [10051.571297][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [10051.571297][T12167] neigh_parms_alloc+0x1e5/0x510 [10051.571297][T12167] ipv6_add_dev+0x2fe/0x11c0 [10051.571297][T12167] ipv6_find_idev+0x102/0x170 [10051.571297][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [10051.571297][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10051.571297][T12167] netlink_rcv_skb+0x130/0x360 [10051.571297][T12167] netlink_unicast+0x449/0x710 [10051.571297][T12167] netlink_sendmsg+0x723/0xbe0 [10051.571297][T12167] ____sys_sendmsg+0x7b2/0xa10 [10051.571297][T12167] ___sys_sendmsg+0xee/0x170 [10051.571297][T12167] __sys_sendmsg+0xcd/0x170 [10051.571297][T12167] do_syscall_64+0xc6/0x1e0 [10051.571297][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10051.571297][T12167] [10061.014804][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [10061.015226][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [10061.015226][ T10] dst_init+0x84/0x4a0 [10061.015226][ T10] dst_alloc+0x97/0x150 [10061.015226][ T10] ip6_dst_alloc+0x23/0x90 [10061.015226][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [10061.015226][ T10] ip6_pol_route+0x56f/0x840 [10061.015226][ T10] fib6_rule_lookup+0x334/0x630 [10061.015226][ T10] ip6_route_output_flags+0x259/0x480 [10061.015226][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [10061.015226][ T10] ip6_dst_lookup_flow+0x88/0x190 [10061.015226][ T10] rawv6_sendmsg+0x7c6/0x17d0 [10061.015226][ T10] ____sys_sendmsg+0x772/0xa10 [10061.015226][ T10] ___sys_sendmsg+0xee/0x170 [10061.015226][ T10] __sys_sendmsg+0xcd/0x170 [10061.015226][ T10] do_syscall_64+0xc6/0x1e0 [10061.015226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10061.015226][ T10] [10061.017148][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10061.017148][ T10] dst_init+0x84/0x4a0 [10061.017148][ T10] dst_alloc+0x97/0x150 [10061.017148][ T10] ip6_dst_alloc+0x23/0x90 [10061.017148][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [10061.017148][ T10] ip6_pol_route+0x56f/0x840 [10061.017148][ T10] fib6_rule_lookup+0x334/0x630 [10061.017148][ T10] ip6_route_output_flags+0x259/0x480 [10061.017148][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [10061.017148][ T10] ip6_dst_lookup_flow+0x88/0x190 [10061.017148][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [10061.017148][ T10] ping_v6_sendmsg+0x763/0x1150 [10061.017148][ T10] ____sys_sendmsg+0x772/0xa10 [10061.017148][ T10] ___sys_sendmsg+0xee/0x170 [10061.017148][ T10] __sys_sendmsg+0xcd/0x170 [10061.017148][ T10] do_syscall_64+0xc6/0x1e0 [10061.017148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10061.017148][ T10] [10061.019177][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10061.019177][ T10] dst_init+0x84/0x4a0 [10061.019177][ T10] dst_alloc+0x97/0x150 [10061.019177][ T10] ip6_dst_alloc+0x23/0x90 [10061.019177][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [10061.019177][ T10] ip6_pol_route+0x56f/0x840 [10061.019177][ T10] fib6_rule_lookup+0x334/0x630 [10061.019177][ T10] ip6_route_output_flags+0x259/0x480 [10061.019177][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [10061.019177][ T10] ip6_dst_lookup_flow+0x88/0x190 [10061.019177][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [10061.019177][ T10] udpv6_sendmsg+0xfdc/0x2830 [10061.019177][ T10] ____sys_sendmsg+0x3f9/0xa10 [10061.019177][ T10] ___sys_sendmsg+0xee/0x170 [10061.019177][ T10] __sys_sendmsg+0xcd/0x170 [10061.019177][ T10] do_syscall_64+0xc6/0x1e0 [10061.019177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10061.019177][ T10] [10061.021216][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10061.021216][ T10] netdev_get_by_index+0x5e/0x80 [10061.021216][ T10] fib6_nh_init+0x3d8/0x1580 [10061.021216][ T10] ip6_route_info_create+0xf18/0x17d0 [10061.021216][ T10] ip6_route_add+0x1c/0x140 [10061.021216][ T10] addrconf_prefix_route+0x2a6/0x430 [10061.021216][ T10] inet6_addr_add+0x4f8/0xa40 [10061.021216][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10061.021216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10061.021216][ T10] netlink_rcv_skb+0x130/0x360 [10061.021216][ T10] netlink_unicast+0x449/0x710 [10061.021216][ T10] netlink_sendmsg+0x723/0xbe0 [10061.021216][ T10] ____sys_sendmsg+0x7b2/0xa10 [10061.021216][ T10] ___sys_sendmsg+0xee/0x170 [10061.021216][ T10] __sys_sendmsg+0xcd/0x170 [10061.021216][ T10] do_syscall_64+0xc6/0x1e0 [10061.021216][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10061.021216][ T10] [10061.023244][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10061.023244][ T10] netdev_get_by_index+0x5e/0x80 [10061.023244][ T10] fib6_nh_init+0x3d8/0x1580 [10061.023244][ T10] ip6_route_info_create+0xf18/0x17d0 [10061.023244][ T10] addrconf_f6i_alloc+0x315/0x560 [10061.023244][ T10] ipv6_add_addr+0x411/0x2000 [10061.023244][ T10] inet6_addr_add+0x30e/0xa40 [10061.023244][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10061.023244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10061.023244][ T10] netlink_rcv_skb+0x130/0x360 [10061.023244][ T10] netlink_unicast+0x449/0x710 [10061.023244][ T10] netlink_sendmsg+0x723/0xbe0 [10061.023244][ T10] ____sys_sendmsg+0x7b2/0xa10 [10061.023244][ T10] ___sys_sendmsg+0xee/0x170 [10061.023244][ T10] __sys_sendmsg+0xcd/0x170 [10061.023244][ T10] do_syscall_64+0xc6/0x1e0 [10061.023244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10061.023244][ T10] [10061.025279][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10061.025279][ T10] netdev_get_by_index+0x5e/0x80 [10061.025279][ T10] fib6_nh_init+0x3d8/0x1580 [10061.025279][ T10] ip6_route_info_create+0xf18/0x17d0 [10061.025279][ T10] ip6_route_add+0x1c/0x140 [10061.025279][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10061.025279][ T10] addrconf_add_dev+0xe2/0x170 [10061.025279][ T10] inet6_addr_add+0x12f/0xa40 [10061.025279][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10061.025279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10061.025279][ T10] netlink_rcv_skb+0x130/0x360 [10061.025279][ T10] netlink_unicast+0x449/0x710 [10061.025279][ T10] netlink_sendmsg+0x723/0xbe0 [10061.025279][ T10] ____sys_sendmsg+0x7b2/0xa10 [10061.025279][ T10] ___sys_sendmsg+0xee/0x170 [10061.025279][ T10] __sys_sendmsg+0xcd/0x170 [10061.025279][ T10] do_syscall_64+0xc6/0x1e0 [10061.025279][ T10] [10061.027265][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10061.027265][ T10] ipv6_add_dev+0x3ba/0x11c0 [10061.027265][ T10] ipv6_find_idev+0x102/0x170 [10061.027265][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10061.027265][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10061.027265][ T10] netlink_rcv_skb+0x130/0x360 [10061.027265][ T10] netlink_unicast+0x449/0x710 [10061.027265][ T10] netlink_sendmsg+0x723/0xbe0 [10061.027265][ T10] ____sys_sendmsg+0x7b2/0xa10 [10061.027265][ T10] ___sys_sendmsg+0xee/0x170 [10061.027265][ T10] __sys_sendmsg+0xcd/0x170 [10061.027265][ T10] do_syscall_64+0xc6/0x1e0 [10061.027265][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10061.027265][ T10] [10061.028840][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10061.028840][ T10] neigh_parms_alloc+0x1e5/0x510 [10061.028840][ T10] ipv6_add_dev+0x2fe/0x11c0 [10061.028840][ T10] ipv6_find_idev+0x102/0x170 [10061.028840][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10061.028840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10061.028840][ T10] netlink_rcv_skb+0x130/0x360 [10061.028840][ T10] netlink_unicast+0x449/0x710 [10061.028840][ T10] netlink_sendmsg+0x723/0xbe0 [10061.028840][ T10] ____sys_sendmsg+0x7b2/0xa10 [10061.028840][ T10] ___sys_sendmsg+0xee/0x170 [10061.028840][ T10] __sys_sendmsg+0xcd/0x170 [10061.028840][ T10] do_syscall_64+0xc6/0x1e0 [10061.028840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10061.028840][ T10] [10061.590827][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [10061.591193][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [10061.591193][T12167] netdev_get_by_index+0x5e/0x80 [10061.591193][T12167] fib6_nh_init+0x3d8/0x1580 [10061.591193][T12167] ip6_route_info_create+0xf18/0x17d0 [10061.591193][T12167] addrconf_f6i_alloc+0x315/0x560 [10061.591193][T12167] ipv6_add_addr+0x411/0x2000 [10061.591193][T12167] inet6_addr_add+0x30e/0xa40 [10061.591193][T12167] inet6_rtm_newaddr+0x560/0x6b0 [10061.591193][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10061.591193][T12167] netlink_rcv_skb+0x130/0x360 [10061.591193][T12167] netlink_unicast+0x449/0x710 [10061.591193][T12167] netlink_sendmsg+0x723/0xbe0 [10061.591193][T12167] ____sys_sendmsg+0x7b2/0xa10 [10061.591193][T12167] ___sys_sendmsg+0xee/0x170 [10061.591193][T12167] __sys_sendmsg+0xcd/0x170 [10061.591193][T12167] do_syscall_64+0xc6/0x1e0 [10061.591193][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10061.591193][T12167] [10061.593455][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [10061.593455][T12167] ipv6_add_dev+0x3ba/0x11c0 [10061.593455][T12167] ipv6_find_idev+0x102/0x170 [10061.593455][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [10061.593455][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10061.593455][T12167] netlink_rcv_skb+0x130/0x360 [10061.593455][T12167] netlink_unicast+0x449/0x710 [10061.593455][T12167] netlink_sendmsg+0x723/0xbe0 [10061.593455][T12167] ____sys_sendmsg+0x7b2/0xa10 [10061.593455][T12167] ___sys_sendmsg+0xee/0x170 [10061.593455][T12167] __sys_sendmsg+0xcd/0x170 [10061.593455][T12167] do_syscall_64+0xc6/0x1e0 [10061.593455][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10061.593455][T12167] [10061.595177][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [10061.595177][T12167] neigh_parms_alloc+0x1e5/0x510 [10061.595177][T12167] ipv6_add_dev+0x2fe/0x11c0 [10061.595177][T12167] ipv6_find_idev+0x102/0x170 [10061.595177][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [10061.595177][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10061.595177][T12167] netlink_rcv_skb+0x130/0x360 [10061.595177][T12167] netlink_unicast+0x449/0x710 [10061.595177][T12167] netlink_sendmsg+0x723/0xbe0 [10061.595177][T12167] ____sys_sendmsg+0x7b2/0xa10 [10061.595177][T12167] ___sys_sendmsg+0xee/0x170 [10061.595177][T12167] __sys_sendmsg+0xcd/0x170 [10061.595177][T12167] do_syscall_64+0xc6/0x1e0 [10061.595177][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10061.595177][T12167] [10071.062767][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [10071.063189][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [10071.063189][ T10] dst_init+0x84/0x4a0 [10071.063189][ T10] dst_alloc+0x97/0x150 [10071.063189][ T10] ip6_dst_alloc+0x23/0x90 [10071.063189][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [10071.063189][ T10] ip6_pol_route+0x56f/0x840 [10071.063189][ T10] fib6_rule_lookup+0x334/0x630 [10071.063189][ T10] ip6_route_output_flags+0x259/0x480 [10071.063189][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [10071.063189][ T10] ip6_dst_lookup_flow+0x88/0x190 [10071.063189][ T10] rawv6_sendmsg+0x7c6/0x17d0 [10071.063189][ T10] ____sys_sendmsg+0x772/0xa10 [10071.063189][ T10] ___sys_sendmsg+0xee/0x170 [10071.063189][ T10] __sys_sendmsg+0xcd/0x170 [10071.063189][ T10] do_syscall_64+0xc6/0x1e0 [10071.063189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10071.063189][ T10] [10071.065122][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10071.065122][ T10] dst_init+0x84/0x4a0 [10071.065122][ T10] dst_alloc+0x97/0x150 [10071.065122][ T10] ip6_dst_alloc+0x23/0x90 [10071.065122][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [10071.065122][ T10] ip6_pol_route+0x56f/0x840 [10071.065122][ T10] fib6_rule_lookup+0x334/0x630 [10071.065122][ T10] ip6_route_output_flags+0x259/0x480 [10071.065122][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [10071.065122][ T10] ip6_dst_lookup_flow+0x88/0x190 [10071.065122][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [10071.065122][ T10] ping_v6_sendmsg+0x763/0x1150 [10071.065122][ T10] ____sys_sendmsg+0x772/0xa10 [10071.065122][ T10] ___sys_sendmsg+0xee/0x170 [10071.065122][ T10] __sys_sendmsg+0xcd/0x170 [10071.065122][ T10] do_syscall_64+0xc6/0x1e0 [10071.065122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10071.065122][ T10] [10071.067147][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10071.067147][ T10] dst_init+0x84/0x4a0 [10071.067147][ T10] dst_alloc+0x97/0x150 [10071.067147][ T10] ip6_dst_alloc+0x23/0x90 [10071.067147][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [10071.067147][ T10] ip6_pol_route+0x56f/0x840 [10071.067147][ T10] fib6_rule_lookup+0x334/0x630 [10071.067147][ T10] ip6_route_output_flags+0x259/0x480 [10071.067147][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [10071.067147][ T10] ip6_dst_lookup_flow+0x88/0x190 [10071.067147][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [10071.067147][ T10] udpv6_sendmsg+0xfdc/0x2830 [10071.067147][ T10] ____sys_sendmsg+0x3f9/0xa10 [10071.067147][ T10] ___sys_sendmsg+0xee/0x170 [10071.067147][ T10] __sys_sendmsg+0xcd/0x170 [10071.067147][ T10] do_syscall_64+0xc6/0x1e0 [10071.067147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10071.067147][ T10] [10071.069189][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10071.069189][ T10] netdev_get_by_index+0x5e/0x80 [10071.069189][ T10] fib6_nh_init+0x3d8/0x1580 [10071.069189][ T10] ip6_route_info_create+0xf18/0x17d0 [10071.069189][ T10] ip6_route_add+0x1c/0x140 [10071.069189][ T10] addrconf_prefix_route+0x2a6/0x430 [10071.069189][ T10] inet6_addr_add+0x4f8/0xa40 [10071.069189][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10071.069189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10071.069189][ T10] netlink_rcv_skb+0x130/0x360 [10071.069189][ T10] netlink_unicast+0x449/0x710 [10071.069189][ T10] netlink_sendmsg+0x723/0xbe0 [10071.069189][ T10] ____sys_sendmsg+0x7b2/0xa10 [10071.069189][ T10] ___sys_sendmsg+0xee/0x170 [10071.069189][ T10] __sys_sendmsg+0xcd/0x170 [10071.069189][ T10] do_syscall_64+0xc6/0x1e0 [10071.069189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10071.069189][ T10] [10071.071227][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10071.071227][ T10] netdev_get_by_index+0x5e/0x80 [10071.071227][ T10] fib6_nh_init+0x3d8/0x1580 [10071.071227][ T10] ip6_route_info_create+0xf18/0x17d0 [10071.071227][ T10] addrconf_f6i_alloc+0x315/0x560 [10071.071227][ T10] ipv6_add_addr+0x411/0x2000 [10071.071227][ T10] inet6_addr_add+0x30e/0xa40 [10071.071227][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10071.071227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10071.071227][ T10] netlink_rcv_skb+0x130/0x360 [10071.071227][ T10] netlink_unicast+0x449/0x710 [10071.071227][ T10] netlink_sendmsg+0x723/0xbe0 [10071.071227][ T10] ____sys_sendmsg+0x7b2/0xa10 [10071.071227][ T10] ___sys_sendmsg+0xee/0x170 [10071.071227][ T10] __sys_sendmsg+0xcd/0x170 [10071.071227][ T10] do_syscall_64+0xc6/0x1e0 [10071.071227][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10071.071227][ T10] [10071.073257][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10071.073257][ T10] netdev_get_by_index+0x5e/0x80 [10071.073257][ T10] fib6_nh_init+0x3d8/0x1580 [10071.073257][ T10] ip6_route_info_create+0xf18/0x17d0 [10071.073257][ T10] ip6_route_add+0x1c/0x140 [10071.073257][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10071.073257][ T10] addrconf_add_dev+0xe2/0x170 [10071.073257][ T10] inet6_addr_add+0x12f/0xa40 [10071.073257][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10071.073257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10071.073257][ T10] netlink_rcv_skb+0x130/0x360 [10071.073257][ T10] netlink_unicast+0x449/0x710 [10071.073257][ T10] netlink_sendmsg+0x723/0xbe0 [10071.073257][ T10] ____sys_sendmsg+0x7b2/0xa10 [10071.073257][ T10] ___sys_sendmsg+0xee/0x170 [10071.073257][ T10] __sys_sendmsg+0xcd/0x170 [10071.073257][ T10] do_syscall_64+0xc6/0x1e0 [10071.073257][ T10] [10071.075246][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10071.075246][ T10] ipv6_add_dev+0x3ba/0x11c0 [10071.075246][ T10] ipv6_find_idev+0x102/0x170 [10071.075246][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10071.075246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10071.075246][ T10] netlink_rcv_skb+0x130/0x360 [10071.075246][ T10] netlink_unicast+0x449/0x710 [10071.075246][ T10] netlink_sendmsg+0x723/0xbe0 [10071.075246][ T10] ____sys_sendmsg+0x7b2/0xa10 [10071.075246][ T10] ___sys_sendmsg+0xee/0x170 [10071.075246][ T10] __sys_sendmsg+0xcd/0x170 [10071.075246][ T10] do_syscall_64+0xc6/0x1e0 [10071.075246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10071.075246][ T10] [10071.076805][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10071.076805][ T10] neigh_parms_alloc+0x1e5/0x510 [10071.076805][ T10] ipv6_add_dev+0x2fe/0x11c0 [10071.076805][ T10] ipv6_find_idev+0x102/0x170 [10071.076805][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10071.076805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10071.076805][ T10] netlink_rcv_skb+0x130/0x360 [10071.076805][ T10] netlink_unicast+0x449/0x710 [10071.076805][ T10] netlink_sendmsg+0x723/0xbe0 [10071.076805][ T10] ____sys_sendmsg+0x7b2/0xa10 [10071.076805][ T10] ___sys_sendmsg+0xee/0x170 [10071.076805][ T10] __sys_sendmsg+0xcd/0x170 [10071.076805][ T10] do_syscall_64+0xc6/0x1e0 [10071.076805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10071.076805][ T10] [10071.598720][T12167] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [10071.599147][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [10071.599147][T12167] netdev_get_by_index+0x5e/0x80 [10071.599147][T12167] fib6_nh_init+0x3d8/0x1580 [10071.599147][T12167] ip6_route_info_create+0xf18/0x17d0 [10071.599147][T12167] addrconf_f6i_alloc+0x315/0x560 [10071.599147][T12167] ipv6_add_addr+0x411/0x2000 [10071.599147][T12167] inet6_addr_add+0x30e/0xa40 [10071.599147][T12167] inet6_rtm_newaddr+0x560/0x6b0 [10071.599147][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10071.599147][T12167] netlink_rcv_skb+0x130/0x360 [10071.599147][T12167] netlink_unicast+0x449/0x710 [10071.599147][T12167] netlink_sendmsg+0x723/0xbe0 [10071.599147][T12167] ____sys_sendmsg+0x7b2/0xa10 [10071.599147][T12167] ___sys_sendmsg+0xee/0x170 [10071.599147][T12167] __sys_sendmsg+0xcd/0x170 [10071.599147][T12167] do_syscall_64+0xc6/0x1e0 [10071.599147][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10071.599147][T12167] [10071.601437][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [10071.601437][T12167] ipv6_add_dev+0x3ba/0x11c0 [10071.601437][T12167] ipv6_find_idev+0x102/0x170 [10071.601437][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [10071.601437][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10071.601437][T12167] netlink_rcv_skb+0x130/0x360 [10071.601437][T12167] netlink_unicast+0x449/0x710 [10071.601437][T12167] netlink_sendmsg+0x723/0xbe0 [10071.601437][T12167] ____sys_sendmsg+0x7b2/0xa10 [10071.601437][T12167] ___sys_sendmsg+0xee/0x170 [10071.601437][T12167] __sys_sendmsg+0xcd/0x170 [10071.601437][T12167] do_syscall_64+0xc6/0x1e0 [10071.601437][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10071.601437][T12167] [10071.603190][T12167] ref_tracker: ip6gretap00@ffff88800907c5e0 has 1/3 users at [10071.603190][T12167] neigh_parms_alloc+0x1e5/0x510 [10071.603190][T12167] ipv6_add_dev+0x2fe/0x11c0 [10071.603190][T12167] ipv6_find_idev+0x102/0x170 [10071.603190][T12167] inet6_rtm_newaddr+0x37c/0x6b0 [10071.603190][T12167] rtnetlink_rcv_msg+0x2fb/0xbf0 [10071.603190][T12167] netlink_rcv_skb+0x130/0x360 [10071.603190][T12167] netlink_unicast+0x449/0x710 [10071.603190][T12167] netlink_sendmsg+0x723/0xbe0 [10071.603190][T12167] ____sys_sendmsg+0x7b2/0xa10 [10071.603190][T12167] ___sys_sendmsg+0xee/0x170 [10071.603190][T12167] __sys_sendmsg+0xcd/0x170 [10071.603190][T12167] do_syscall_64+0xc6/0x1e0 [10071.603190][T12167] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10071.603190][T12167] HARD STOP (1409.678635) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr [10081.078724][ T10] unregister_netdevice: waiting for dummy0 to become free. Usage count = 10 [10081.079340][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 2/9 users at [10081.079340][ T10] dst_init+0x84/0x4a0 [10081.079340][ T10] dst_alloc+0x97/0x150 [10081.079340][ T10] ip6_dst_alloc+0x23/0x90 [10081.079340][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [10081.079340][ T10] ip6_pol_route+0x56f/0x840 [10081.079340][ T10] fib6_rule_lookup+0x334/0x630 [10081.079340][ T10] ip6_route_output_flags+0x259/0x480 [10081.079340][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [10081.079340][ T10] ip6_dst_lookup_flow+0x88/0x190 [10081.079340][ T10] rawv6_sendmsg+0x7c6/0x17d0 [10081.079340][ T10] ____sys_sendmsg+0x772/0xa10 [10081.079340][ T10] ___sys_sendmsg+0xee/0x170 [10081.079340][ T10] __sys_sendmsg+0xcd/0x170 [10081.079340][ T10] do_syscall_64+0xc6/0x1e0 [10081.079340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10081.079340][ T10] [10081.081461][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10081.081461][ T10] dst_init+0x84/0x4a0 [10081.081461][ T10] dst_alloc+0x97/0x150 [10081.081461][ T10] ip6_dst_alloc+0x23/0x90 [10081.081461][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [10081.081461][ T10] ip6_pol_route+0x56f/0x840 [10081.081461][ T10] fib6_rule_lookup+0x334/0x630 [10081.081461][ T10] ip6_route_output_flags+0x259/0x480 [10081.081461][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [10081.081461][ T10] ip6_dst_lookup_flow+0x88/0x190 [10081.081461][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [10081.081461][ T10] ping_v6_sendmsg+0x763/0x1150 [10081.081461][ T10] ____sys_sendmsg+0x772/0xa10 [10081.081461][ T10] ___sys_sendmsg+0xee/0x170 [10081.081461][ T10] __sys_sendmsg+0xcd/0x170 [10081.081461][ T10] do_syscall_64+0xc6/0x1e0 [10081.081461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10081.081461][ T10] [10081.083707][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10081.083707][ T10] dst_init+0x84/0x4a0 [10081.083707][ T10] dst_alloc+0x97/0x150 [10081.083707][ T10] ip6_dst_alloc+0x23/0x90 [10081.083707][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [10081.083707][ T10] ip6_pol_route+0x56f/0x840 [10081.083707][ T10] fib6_rule_lookup+0x334/0x630 [10081.083707][ T10] ip6_route_output_flags+0x259/0x480 [10081.083707][ T10] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [10081.083707][ T10] ip6_dst_lookup_flow+0x88/0x190 [10081.083707][ T10] ip6_sk_dst_lookup_flow+0x361/0x5b0 [10081.083707][ T10] udpv6_sendmsg+0xfdc/0x2830 [10081.083707][ T10] ____sys_sendmsg+0x3f9/0xa10 [10081.083707][ T10] ___sys_sendmsg+0xee/0x170 [10081.083707][ T10] __sys_sendmsg+0xcd/0x170 [10081.083707][ T10] do_syscall_64+0xc6/0x1e0 [10081.083707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10081.083707][ T10] [10081.085956][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10081.085956][ T10] netdev_get_by_index+0x5e/0x80 [10081.085956][ T10] fib6_nh_init+0x3d8/0x1580 [10081.085956][ T10] ip6_route_info_create+0xf18/0x17d0 [10081.085956][ T10] ip6_route_add+0x1c/0x140 [10081.085956][ T10] addrconf_prefix_route+0x2a6/0x430 [10081.085956][ T10] inet6_addr_add+0x4f8/0xa40 [10081.085956][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10081.085956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10081.085956][ T10] netlink_rcv_skb+0x130/0x360 [10081.085956][ T10] netlink_unicast+0x449/0x710 [10081.085956][ T10] netlink_sendmsg+0x723/0xbe0 [10081.085956][ T10] ____sys_sendmsg+0x7b2/0xa10 [10081.085956][ T10] ___sys_sendmsg+0xee/0x170 [10081.085956][ T10] __sys_sendmsg+0xcd/0x170 [10081.085956][ T10] do_syscall_64+0xc6/0x1e0 [10081.085956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10081.085956][ T10] [10081.088191][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10081.088191][ T10] netdev_get_by_index+0x5e/0x80 [10081.088191][ T10] fib6_nh_init+0x3d8/0x1580 [10081.088191][ T10] ip6_route_info_create+0xf18/0x17d0 [10081.088191][ T10] addrconf_f6i_alloc+0x315/0x560 [10081.088191][ T10] ipv6_add_addr+0x411/0x2000 [10081.088191][ T10] inet6_addr_add+0x30e/0xa40 [10081.088191][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10081.088191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10081.088191][ T10] netlink_rcv_skb+0x130/0x360 [10081.088191][ T10] netlink_unicast+0x449/0x710 [10081.088191][ T10] netlink_sendmsg+0x723/0xbe0 [10081.088191][ T10] ____sys_sendmsg+0x7b2/0xa10 [10081.088191][ T10] ___sys_sendmsg+0xee/0x170 [10081.088191][ T10] __sys_sendmsg+0xcd/0x170 [10081.088191][ T10] do_syscall_64+0xc6/0x1e0 [10081.088191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10081.088191][ T10] [10081.090426][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10081.090426][ T10] netdev_get_by_index+0x5e/0x80 [10081.090426][ T10] fib6_nh_init+0x3d8/0x1580 [10081.090426][ T10] ip6_route_info_create+0xf18/0x17d0 [10081.090426][ T10] ip6_route_add+0x1c/0x140 [10081.090426][ T10] addrconf_add_mroute+0x1ac/0x2c0 [10081.090426][ T10] addrconf_add_dev+0xe2/0x170 [10081.090426][ T10] inet6_addr_add+0x12f/0xa40 [10081.090426][ T10] inet6_rtm_newaddr+0x560/0x6b0 [10081.090426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10081.090426][ T10] netlink_rcv_skb+0x130/0x360 [10081.090426][ T10] netlink_unicast+0x449/0x710 [10081.090426][ T10] netlink_sendmsg+0x723/0xbe0 [10081.090426][ T10] ____sys_sendmsg+0x7b2/0xa10 [10081.090426][ T10] ___sys_sendmsg+0xee/0x170 [10081.090426][ T10] __sys_sendmsg+0xcd/0x170 [10081.090426][ T10] do_syscall_64+0xc6/0x1e0 [10081.090426][ T10] [10081.092613][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10081.092613][ T10] ipv6_add_dev+0x3ba/0x11c0 [10081.092613][ T10] ipv6_find_idev+0x102/0x170 [10081.092613][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10081.092613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10081.092613][ T10] netlink_rcv_skb+0x130/0x360 [10081.092613][ T10] netlink_unicast+0x449/0x710 [10081.092613][ T10] netlink_sendmsg+0x723/0xbe0 [10081.092613][ T10] ____sys_sendmsg+0x7b2/0xa10 [10081.092613][ T10] ___sys_sendmsg+0xee/0x170 [10081.092613][ T10] __sys_sendmsg+0xcd/0x170 [10081.092613][ T10] do_syscall_64+0xc6/0x1e0 [10081.092613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10081.092613][ T10] [10081.094342][ T10] ref_tracker: dummy%d@ffff8880051695e0 has 1/9 users at [10081.094342][ T10] neigh_parms_alloc+0x1e5/0x510 [10081.094342][ T10] ipv6_add_dev+0x2fe/0x11c0 [10081.094342][ T10] ipv6_find_idev+0x102/0x170 [10081.094342][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [10081.094342][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [10081.094342][ T10] netlink_rcv_skb+0x130/0x360 [10081.094342][ T10] netlink_unicast+0x449/0x710 [10081.094342][ T10] netlink_sendmsg+0x723/0xbe0 [10081.094342][ T10] ____sys_sendmsg+0x7b2/0xa10 [10081.094342][ T10] ___sys_sendmsg+0xee/0x170 [10081.094342][ T10] __sys_sendmsg+0xcd/0x170 [10081.094342][ T10] do_syscall_64+0xc6/0x1e0 [10081.094342][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10081.094342][ T10]